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CMSD WasteWater Master Plan - Final DraftCosta Mesa Sanitary District … an Independent Special District WASTEWATER MASTER PLAN UPDATE FOR THE COSTA MESA SANITARY DISTRICT November 8, 2021 Prepared By: Robin B. Hamers & Associates, Inc. Michael Benesh, RCE 37893 (This page left blank intentionally) Costa Mesa Sanitary District Wastewater Master Plan Update i Contents Purpose ............................................................................................................................................ 1 Background ..................................................................................................................................... 1 Total Flow From the District .......................................................................................................... 1 Overview of Sewer System and Maintenance Program ................................................................. 2 Pump Stations & Force Mains ........................................................................................................ 2 Prior Master Plan Update ................................................................................................................ 4 Currently Budgeted Wastewater Capital Improvement Projects .................................................... 4 Sewer Flow Coefficients ................................................................................................................. 6 Accessory Dwelling Unit Density Increase .................................................................................... 8 Inflow & Infiltration (I/I) ................................................................................................................ 9 Master Plan Flow Calculations ....................................................................................................... 9 Future Sewer Main Improvements Required to Meet Ultimate Demand ..................................... 10 Developer's Responsibility to Provide Additional Sewer Capacity .............................................. 11 Calcium Build-up on Sewer Pipe Walls ....................................................................................... 11 Ductile Iron Pipe (DIP) ................................................................................................................. 13 Developer's Responsibility to Provide Additional Sewer Capacity .............................................. 13 High Volume Water Users ............................................................................................................ 14 Long Term Sewer Replacement Fund .......................................................................................... 14 Waste Discharge Requirements (WDR) ....................................................................................... 15 Low Flow Diversion of Storm Water into Sewer System ............................................................ 16 Apppendix: A: Fixed Asset Schedule..................................................................................... A-1 Apppendix: B: Sewer System Management Plan (SSMP) ..................................................... B-1 Apppendix: C: Pump Station Service Area Maps .................................................................. C-1 Apppendix: D: Pump Station Flow Calculations ................................................................... D-1 Apppendix: E: Gravity Sewer Service Area Maps ................................................................. E-1 Apppendix: F: Gravity Sewer Flow Calculations ................................................................... F-1 Apppendix: G: Ductile Iron Pipe Rehabilitation .................................................................... G-1 Apppendix: H: Project #149 Sinking Fund for Future Sewer Replacement .......................... H-1 Costa Mesa Sanitary District Wastewater Master Plan Update ii Table of Figures Table 1: Completed Force Main Rehabilitation Projects ................................................................ 2 Table 2: Scheduled Future Force Main Rehabilitation Projects ..................................................... 3 Table 3: 2005 Master Plan Update Identified Potential Under Capacity Segments ....................... 4 Table 4: Land Use Flow Coefficients ............................................................................................. 7 Table 5: Costa Mesa Sanitary District Land Uses .......................................................................... 7 Table 6: Ultimate Build-Out Sewer Capacity Improvements ....................................................... 10 Table 7: Sewer Segments Severely Impacted by Calcium Build-Up ........................................... 12 Definitions, Acronyms & Abbreviations CMSD - Costa Mesa Sanitary District CNB - City of Newport Beach OC - Orange County OCFCD - Orange County Flood Control District OCSD - Orange County Sanitation District cfs - cubic feet per second gpad - gallons per acre per day gpcd - gallons per capita (person) per day gpm - gallons per minute mgd - million gallons per day CMOM - Capacity, Management, Operations & Maintenance FOG - Fats, oils, and grease GASB34 - Governmental Accounting Standards Board Rule No. 34 SSMP - Sewer System Management Plan WDR - Waste Discharge Requirements H2S - Hydrogen sulfide H2SO4 - Sulfuric acid 1/1 - Inflow & Infiltration Costa Mesa Sanitary District Wastewater Master Plan Update 1 Purpose The primary goal of a Wastewater Master Plan is to determine whether the system has the capacity to handle flows from ultimate build-out of the service area. The plan compares the capacity of the sewer mains to the ultimate flow generated from complete build-out of the land uses inside the jurisdictional boundaries of the agency. In the case of the Costa Mesa Sanitary District, this means providing sewer capacity for the land uses adopted by the City of Costa Mesa, the City of Newport Beach, and the County of Orange. When the wastewater system was originally designed in the early 1950s, the development densities and anticipated ultimate flows were very low when compared to today’s calculated maximums. Additionally, stormwater runoff is making its way into the system through infiltration and inflow. These additional flows require wastewater lines to be larger to accommodate the added flows during periods of heavy rain. Background The Costa Mesa Sanitary District (“CMSD” or “DISTRICT”) was formed in 1944 under the State of California Health and Safety code. The District is an independent special district, meaning the District is funded through user fees and charges. A dependent special district, such as a cemetery district, depends on funding from the County. The boundaries of the District include all of the City of Costa Mesa, and portions of the City of Newport Beach and the unincorporated Territory of the County of Orange. CMSD serves a residential population of approximately 116,700 plus various public, commercial, industrial and retail land uses. CMSD’s facilities include 219.4 miles of gravity mainline, 4.8 miles of pressurize mainline, 24,955 service lateral connections, 4,707 manholes and 20 pumping stations. The 109.3 miles of private property sewer lateral pipelines within the district are privately maintained. Because the Board of Directors is focused solely on sewer service and trash collection, the sewer system is in excellent condition and has been kept in top shape through regular monitoring, maintenance, cleaning, and repairs. Total Flow From the District As owner of the treatment plants and disposal facilities, the Orange County Sanitation District (OCSD) has developed flow coefficients for forecasting total daily dry weather (without storm water inflow or infiltration) flow from a tributary area. OCSD has converted total flows from residential and other land uses into a flow coefficient related directly to population. The flow rate per capita has been dropping steadily over the years. OCSD estimated a measured flow rate of 100 gallons per capita per day in 2005 dropping to 75 gallons per capita per day in 2015, with projected flows to be 70 gallons per capita per day by 2022. A flow coefficient of 71.5 gallons per capita per day (gpcd) will be used for the purposes of this report. Using a District population of approximately 117,000, the estimated daily flow from the District is: CMSD total daily dry weather flow = 71.5 gpcd x 117,000 population Costa Mesa Sanitary District Wastewater Master Plan Update 2 = 8.4 mgd (million gallons per day) Overview of Sewer System and Maintenance Program CMSD’s facilities include 219.4 miles of gravity mainline, 4.8 miles of pressurize mainline, 24,955 service lateral connections, 4,707 manholes and 20 pumping stations. A detailed list of the sizes and lengths of pipes are shown on the Fixed Asset Schedule in Appendix A. The gravity portion of the sewer system is in excellent condition and the District has adopted the industry standard of cleaning the system. Trouble spots identified within the district system are cleaned more frequently. Maintenance is performed in one specific area of the District at a time. Each public sewer line in this area is first cleaned and then televised to see the structural condition of the sewer main. This maintenance is performed in compliance with the Costa Mesa Sanitary District Sewer System Management Plan (SSMP). This routine maintenance allows the District staff to identify potential defects in the sewer system that have the potential to cause a stoppage or failure. Once identified, corrective repairs are performed. The District hires contractors to repair or rehabilitate these sewer lines or facilities. The Costa Mesa Sanitary District Sewer System Management Plan (SSMP) is included in Appendix B. Pump Stations & Force Mains Because of high flows in the pump stations and force mains that could result in large sewer spills, pumping stations and force mains are a high priority and regularly discussed during District’s quarterly pump station meetings attended by the General Manager, District Engineer, Sewer Maintenance Superintendent, and Pump Station Crew. When the pump station maintenance crew finds deficiencies, the repair is completed as soon as possible. A map of the service areas for each of the pump stations is included in Appendix C. Rehabilitation and reconstruction of force mains has been the top priority with the District since 2009. More recently, the installation of redundant force mains has been incorporated into force main upgrade projects to allow the pump stations to remain in use in the event of a force main break, without the delays caused by implementing by-pass operations. Tables 1A below lists the most recent status of work on the force main projects. Table 1: Completed Force Main Rehabilitation Projects Name Force Main Description Project/Completion President Force Main Replacing the force main #200-B/ 2016 Harbor Force Main Harbor Force Main is nearly 600 feet long made of cast and ductile iron pipe. #200-B/ 2016 Victoria Force Main Victoria Force Main is 940 feet long. 88% of the pipeline is made of cast iron pipe. The remaining 12% is made of PVC pipe. #313/ 2016 Costa Mesa Sanitary District Wastewater Master Plan Update 3 South Coast Plasza Force Main South Coast Plaza Force Main is 470 feet long made of ductile iron pipe. #200C/ 2017 Mendoza Force Main Mendoza Force Main is made of ductile iron pipe. #200C/ 2014 Canyon Force Main Canyon Force Main is 1,120 feet in length and made of cast iron pipe. #319/ 2019 Iowa Force Main The Iowa force main is 220 feet long and made of asbestos cement pipe (ACP). #322/ 2021 Aviemore Terrace Force Main Aviemore Terrace force main is 165 feet long and made of 4” Transite pipe. #312/ 2016 19th Street Force Main 19th Street force main is 818 feet long and made of 4” Transite pipe. #326/ 2020 Table 2 lists the planned future force main improvement projects. Table 2: Scheduled Future Force Main Rehabilitation Projects Name Force Main Description Projected Completeion Gisler Force Main 1,160 feet of 6” C.I.P. Force Main. Project #334. 2021-2022 Elden Pump Station Force Main Valve Rehabilitation In-line by-pass valves on Newport Blvd. will be replaced. Project #338. 2022-2023 21st Street Pump station Force Main Rehab Existing 8” D.I.P. force main will be rehabilitated by installing C.I.P.P. liner. Project #339. 2022-2023 Sea Bluff Force Main and Pump Station Rehabilitation 1146 feet of 4” C.I.P. Force Main 2023-2024 California Pump Station Force Main and Pump Station Rehabilitation 55 feet of 6” C.I.P. Force Main 2024-2025 Mendoza Pump Station Force Main Rehab & Redundancy 260 feet of 8” C.I.P. Force Main 2025-2026 Irvine Pump Station Force Main Redundancy 2830 feet of 10” D.I.P. Force Main 2025-2026 Elden Pump Station Force Main Redundancy 3290 feet of 18” D.I.P. Force Main 2026-2027 2027-2028 Costa Mesa Sanitary District Wastewater Master Plan Update 4 Prior Master Plan Update The District’s prior master plan was prepared in 2005 and identified 7 gravity sewer segments that would eventually need additional capacity. These segments are listed in Table 3 below. Table 3: 2005 Master Plan Update Identified Potential Under Capacity Segments No. Description 1 8” Sewer on Bristol Street West of Irvine Avenue/Campus Drive. 15” Replacement pipe constructed in 2012 as Project #129. 7 8” & 12” Sewer on Hamilton West of Harbor. Although calculations showed a parallel sewer was required, the existing flows have not reached a point where additional capacity is required. 9 8” & 10” Sewer on Wilson West of Placentia. Although calculations showed a parallel sewer was required, the existing flows have not reached a point where additional capacity is required. 9 10” & 12” Sewer on Wilson East of Canyon Pump Station. Although calculations showed a parallel sewer was required, the existing flows have not reached a point where additional capacity is required. 10 8” Sewer on Country Club South of Gisler. Although calculations showed a parallel sewer was required, the existing flows have not reached a point where additional capacity is required. 11 18” Sewer on Harbor South of Baker. Although calculations showed a parallel sewer was required, the existing flows have not reached a point where additional capacity is required. With the exception of the sewer on Bristol Street, which was replaced in 2012, flow monitoring done as part of this Master Plan Update indicates that current flows in the sewer segments listed above are still below the pipe capacity. Currently Budgeted Wastewater Capital Improvement Projects The Costa Mesa Sanitary District Adopted Budget FY 2021-2022 and FY 2022-2023 include the following Capital Improvement Projects. Project #309 City Project Manhole Program This is an annual project that adjusts existing manholes to grade as part of City Street Improvement projects. CMSD reimburses the City for the work involved in adjusting the manholes to grade after resurfacing of the streets. The budgeted amount is $70,000 for both FY 2021-22 and FY 2022-23. Project #311 CMSD Manhole Surface Repairs This is an annual project that identifies surface defects in the existing sewer manholes. Once identified, the District hires a contractor to remove the existing frames and covers and replace Costa Mesa Sanitary District Wastewater Master Plan Update 5 them with composite frames and covers. The budgeted amount is $72,000 for both FY 2021-22 and FY 2022-23. Project #324 Brick Manhole Rehabilitation Phase 2 In 1953 when the first District manholes were installed, contractors had an option to construct brick manholes or pre-cast manholes similar to today’s pre-cast manholes. Because no steel mesh or rebar was installed in the brick manholes they are very susceptible to damage during seismic events. The District will structurally reinforce brick manholes by using a one piece structural cured-in-place-pipe (CIPP) liner. The budgeted amount is $130,000 for both FY 2020-21 and FY 2022-23. Project #327 Calcium Removal The District is fortunate not to have sustained any calcium-caused sanitary sewer overflows (SSOs) from calcium build-up in the sewer mains. Calcium buildup is an emerging concern across the United States and there are limited tools available for calcium removal and the tools and removal techniques are expensive. Most of the District’s calcium buildup occurs in the Santa Rosa Avenue – San Marino Circle area in north Costa Mesa where it is suspected that high groundwater laden with minerals causes calcium deposits in the mains. As part of the Sewer Master Plan Update, a complete analysis and mitigation program for sewer mains with calcium is being established. The budgeted amount is $75,000 for FY 2021-22 to test the effectiveness and cost of various calcium removal techniques. The budgeted amount is $400,000 for FY 2022-23. Project #328 Ductile Iron Pipe Rehabilitation Ductile Iron Pipe (DIP) is stronger and more flexible than Vitrified Clay Pipe (VCP) and was used in many locations throughout the District. However, it is subject to corrosion both on the inside and outside of the pipe that can degrade the walls of ductile iron pipe. The rehabilitation method consists of chain flailing the interior then installing a liner. The first phases of the project were previously budgeted. The budget for fiscal years 2021-22 is $400,000. Project #329 Aviemore Force Main Replacement Aviemore Pump Station and Force Main serve the smallest tributary area of a CMSD pump station, only 26 residences. Nevertheless, the force main is 130 linear feet of 4-inch cast iron pipe built in 1959 and has reached its life expectancy. The project will include construction of a dual PVC force main to replace the existing one. The budgeted amount is $230,000 for FY 2021- 22. Project #330 Westbluff Pump Station Rehabilitation The Westbluff force main was replaced and realigned in 2006 by a private residential land developer so the force main is relatively young. The proposed work is normal replacement of pumps, valves, and piping that have reached their life expectancy. The budgeted amount is $175,000 for FY 2021-22. Costa Mesa Sanitary District Wastewater Master Plan Update 6 Project #334 Gisler Pump Station Force Main Replacement The Gilser Pump Station and force main were constructed in 1960. The station was remodeled in 1985 and 2007, however the force main has not been replaced. The force main is a 1,160 foot long 6” C.I.P. The project will include construction of a dual 6” PVC force main to replace the existing force main. The budgeted amount is $520,000 for FY 2021-22. Project #335 Sewer Siphon Rehabilitation Project #331 completed in 2021, evaluated the condition of the 8 sewer siphons located in the District. The current project will install C.I.P.P. liners in the siphons, extending their life expectancy of the siphons. The budgeted amount is $250,000 for FY 2021-22 and $300,000 in FY 2022-23. Project #336 Grade 4 Sewer Repairs The project will install C.I.P.P. liners or construct spot repairs of the Grade 4 sewer main defects identified during routine maintenance. The budgeted amount is $120,000 for FY 2021-22 and $170,000 in FY 2022-23. Project #337 Sewer Force Main Air Release Valve Removals/Improvements. There are 8 air release valves on force mains in the District. Malfunctioning air release valves have been responsible for a number of sewer spills over the years. The project will remove air release valves that are not necessary on the force mains and construct drain line improvements on the valves that cannot be removed. The budgeted amount is $165.000 in FY 2021-22 and $260,000 in FY 2022-23. Project #338 Elden Pump Station Force Main Valve Replacement Elden Pump Station is the largest in the District. The 18” D.I.P. force main was installed in 1990, 1994 and 1995. This project is the first stage in constructing a secondary force main to serve the pump station. There are three valves on Newport Boulevard near Mesa Drive that connect the newer force amin to the old force main. This project will replace those 30 years old valves. The budgeted amount is $260,000 in FY 2022-23. Project #339 21st Street Pump Station Force Main Rehabilitation The 21st Street Pump Station Force Main is a 10” D.I.P. installed in 1991. The force main spans the 55 Freeway in a utility overpass. This project will install a C.I.P.P. liner in the existing pipe. The budgeted amount is $200,000 in FY 2022-23. Sewer Flow Coefficients In prior Master Plan Updates, Flow Coefficients were developed for Commercial, Industrial, Public/Institutional/School, Parks/Golf Courses, High Density Residential, Medium Density Residential, and Low Density Residential Uses. In those earlier Master Plan Updates, the flow coefficients were applied to the gross areas of the land uses, including streets and drainage channel Costa Mesa Sanitary District Wastewater Master Plan Update 7 easements. After reviewing flow coefficients from other districts, Land Use Population statistics for the City of Costa Mesa, Zoning and Development Codes for the Cities of Costa Mesa and Newport Beach, and the County of Orange, it was decided to use the flow coefficients from the prior Master Plan but apply them to the net areas of the parcels. This change reduces the total expected flow from the land uses by between 20 and 25 percent, which is in general agreement with the reduced flows per capita measured by OCSD over the last few decades. The flow coefficients are shown below in Table 4. Table 4: Land Use Flow Coefficients Land Use Ultimate Build-out Density Sewer Flow Coefficient (GPD/Acre) Commercial 5,000 Industrial 3,500 Public/Institutional/School 2,525 Streets 0 Parks/Golf Course 200 High Density Residential (30 DU/A) 4,625 Medium Density Residential (15 DU/A) 2,525 Low Density Residential (8 DU/A) 1,545 Storm Inflow/Infiltration 800 The Costa Mesa Sanitary District boundaries include approximately 10,555 acres, including 1155 acres of commercial land use, 1054 acres of industrial land use, 4122 acres of residential land use, 560 acres of golf courses and 1584 acres of public land uses. A breakdown of the General Plan Land Uses is included in Table 5 below. Table 5: Costa Mesa Sanitary District Land Uses Land Use Type Land Use Code Acres Commercial Center CC 101.16 Commercial-Residential CR 47.81 General Commercial GC 690.90 Neighborhood Commercial NC 40.49 Regional Commercial RC 148.66 Urban Center Commercial UCC 126.33 Total Commercial 1155.36 Industrial Park IP 675.44 Light Industrial LI 378.83 Total Industrial 1054.27 High Density Residential HDR 849.79 Costa Mesa Sanitary District Wastewater Master Plan Update 8 Medium Density Residential MDR 919.54 Low Density Residential LDR 2353.12 Total Residential 4122.44 Fairgrounds F 151.34 Public/Institutional PI 1375.34 Cultural Arts Center CAC 57.34 Golf Course G 559.98 Unclassified (streets, water, drainage, etc.) - 2079.22 Total Acres for CMSD 10555.28 Maps of the Pump Station Service Areas are included in Appendix C. Maps of the Gravity Sewer Service Areas are included in Appendix E. Flow coefficients for the various land uses were assigned to each of the expected land uses and the area of each type of land use within each of the service area boundaries was determined. The resulting sums were the anticipated average daily flows for the sewer mains. The district’s peaking factor was applied to the average flow to determine the expected ultimate peak flow. The ultimate peak flow also includes an expected 800 gallons per day per acre inflow from storm runoff. The storm inflow rate is applied to all land uses within the District boundaries except parks, golf courses and open space as these areas do not normally have sewer mains in them, eliminating the chance of inflow or infiltration. Accessory Dwelling Unit Density Increase The City of Costa Mesa’s Accessory Dwelling Unit Ordinance took effect on January 1, 2020. The City of Newport Beach’s Accessory Dwelling Unit Ordinance took effect April 20, 2020. Both are based on the requirements of SB 1069. Of note in the ordinance is: • Both ordinances allow for the construction of an accessory dwelling unit of up to 1200 square feet on existing single-family residential lots, even if the additional unit exceeded the zoning density for the lot. • Both ordinances allow for the construction of a junior accessory dwelling unit within the existing dwelling on single family lots. There are several restrictions on these types of units that will probably limit their construction. • Both ordinances allow for A.D.U. construction of at least one and up to 25% of the existing dwelling units on multi-family residential lots within the existing non-habitable building spaces. This increase in density could account for a significant increase in dwelling units served by the District’s sewers if every property owner availed themselves of the chance to build A.D.U.’s. The pace of construction of ADU’s within the District for the last year has not indicated a significant increase in density. The district is going to monitor the pace of construction of the ADU’s over the next few years to determine if there is going to be a significant impact. Costa Mesa Sanitary District Wastewater Master Plan Update 9 Inflow & Infiltration (I/I) The District's sewer system, just as virtually every agency's sewer system, experiences greater flows during the winter months. During the rainy season, intersections become flooded and water enters the sewer system through the pick holes in the manhole covers. In addition, illegal storm drain connections contribute water to the system. Property owners who experience surface drainage problems sometimes relieve the ponding by illegally connecting a drainage system to the sewer system. These two sources of Inflow to the system have been measured and are sufficient enough to be incorporated into the design and analysis of the sewer system. In this sewer Master Plan Update, the District's historical coefficient for Inflow of 800 gpd/acre is used. The Orange County Sanitation District (OCSD) has found their daily flow to the treatment plants nearly doubles during large storms. With respect to Inflow, the Sanitary District has used two options to reduce Inflow through manhole covers. Either the manhole covers are replaced with watertight covers or the holes in the covers are plugged. The District has taken measures such as smoke testing and dye tests to identify and eliminate illicit connections that allow stormwater runoff to be drained into the sewer system. Common sources of these illicit connections can be sewer cleanouts in yards that are missing covers or drain grates that are illegally connected to the sewer pipes. Infiltration as a source of water in the system is caused by underground water entering the sewer system through pipe joints, manholes, and cracked or broken pipe sections. The District's comprehensive sewer line video program beginning in 1989 has allowed the District to identify significant sources of Infiltration and apply corrective measures. The pipe system is sound, and for the most part located above the water table, and there are very few known instances of saturated soil near the system. Master Plan Flow Calculations The following steps were required to evaluate the sewer system’s ability to handle the expected ultimate flows: 1. Compiling a GIS database of the District's facilities and projected land use. The sewer main and structure information, sizes, slopes, and materials were obtained from the CMSD Atlas and as-built plans and added to the database. 2. Parcel lines and areas for the land served by the district were obtained from the County of Orange and added to the digital database to ensure accuracy. Flow area boundaries were then developed for the different segments of pipe and pump stations to be evaluated in the district. 3. The latest General Plan Land Uses were obtained from the City of Costa Mesa, City of Newport Beach and the County of Orange and assigned to the parcels in the digital database. 4. Flow coefficients for the various land uses were assigned to each of the expected land uses and the area of each type of land use within the flow area boundaries was determined. In prior Master Plans, the flow coefficients were applied to the gross areas of the land uses, including streets and drainage channel easements. The ultimate peak flow also includes an expected 800 gallons per day per acre inflow from storm runoff. Costa Mesa Sanitary District Wastewater Master Plan Update 10 5. The expected ultimate flows for the sewer system were calculated for the different segments of the sewer system and compared to the design capacity of the sewer mains and pump stations. The segments of sewer pipe that are expected to be surcharged in the ultimate build-out were identified and the severity of the expected capacity deficiency classified as flowing more than half full, more than ¾ full or more than completely full. 6. The sewer mains that were identified as being under sized based on the expected future flows were then visually inspected at peak flow times to determine if they were flowing at or near half full now. The mains that appeared to be flowing nearly half full had flow meters installed and the flows monitored for two weeks. The results of the flow calculations for the pump stations are included in Appendix D. The results of the flow calculations for the gravity sewers are included in Appendix F. Future Sewer Main Improvements Required to Meet Ultimate Demand The District has adopted the industry standard of designing new sewer lines up to 18 inches in diameter to be flowing no more than half full at peak wet weather flow and 21 inch or larger sewers to be flowing no more than three quarters full at wet weather peak flow. However, when analyses of existing conditions are completed for the purposes of determining when additional capacity is required, flows above these limits are acceptable. However, at no time are sewers allowed to flow in a surcharged or pressure conditions because gravity sewers are not designed to flow under pressure. For the purposes of this study, pipes that will be flowing above three quarters full at ultimate build-out will be considered over capacity. The following sewer mains and pump stations listed in Table 6 below, will be flowing above three quarters depth at ultimate build-out, and should be considered for replacement. The mains should be flow monitored every two to five years and when the measured peak flow depths approach or exceed 75 percent of the pipe diameter, the construction projects should be implemented. Table 6: Ultimate Build-Out Sewer Capacity Improvements Service Area No. Description Estimated Cost 9 12” Sewer on Santa Ana Avenue Northeast of 23rd Street. The project will include construction of 1500 feet of sewer main between Cynthia Court and Brentwood Place. $ 675,000 21 8” Sewer Main on 21st Street Southeast of Orange Avenue. The project will include construction of 640 feet of sewer main between Orange Avenue and Westminster Avenue. $ 290,000 28 & 104 15” Hamilton – Thurin Sewer Main The project will include construction of 1600 feet of sewer main on Hamilton Avenue east of Harbor Blvd. and Thurin Avenue south of Victoria Avenue. $ 720,000 52 8” Sewer on Wilson West of Placentia. $ 665,000 Costa Mesa Sanitary District Wastewater Master Plan Update 11 The project will include construction of 1480 feet of sewer main on Wilson Street between Placentia Avenue and National Avenue. 62 18” Sewer Main on Harbor Blvd. South of Baker Street. The project will include construction of 2400 feet of sewer main between Baker Street and Adams Avenue. $ 1,100,000 109 18” Sewer on Victoria Street between Thurin and Newport Avenue. The project will include construction of an interconnect between the existing 18” and 21” sewers on Victoria Street. $ 50,000 PS5 Canyon Pump Station Pump capacity will have to be increased from 800 gpm to 1160 gpm. The project will include replacing the pumps, pump base, controls, and wet well pipes for the pump Station. $ 200,000 Developer's Responsibility to Provide Additional Sewer Capacity In the interest of fairness, the District is committed to providing sewer capacity to the level identified in the Cities’ and County’s General Plan but any additional capacity needed as a result of a developer proposing an even more intense land use would be the responsibility of the developer. This policy relieves the District and the rate payers of the burden of funding sewer improvements made necessary by the scenario of increasing project densities. The District's policy is to require the developer to make a cash deposit to the District to fund a sewer analysis of the system where the new development is proposed. The analysis checks the capacity of the system assuming the proposed development is the only project that exceeds the General Plan density, but also checks line capacities assuming redevelopment of neighboring parcels also occurs to levels beyond the General Plan. An appropriate participation level is then determined for the developers. Calcium Build-up on Sewer Pipe Walls The District completed its first District-wide CCTV program over a four-year period from 1989- 1992. Little did the District know, the small white colored and black colored circles on the pipe wall were the beginning stages of calcium build-up. When the District embarked on its second District-wide CCTV program in a three-year period from 2006-2009, the District found the small circles and chalky film had grown into a full- diameter layer of extremely hard calcium. Carbide cutting tools and chain flail heads were unsuccessful in removing the deposits. After working with other local agencies and the National Clay Pipe Institute (NCPI), the emerging calcium problem was found to be nation-wide and was affecting other pipe materials besides vitrified clay pipe (VCP), NCPI took the lead and found the calcium (also referred to as “mineral deposits”) could be dissolved using a high concentration mixture of hydrochloric acid Costa Mesa Sanitary District Wastewater Master Plan Update 12 and citric acid. However, due to extensive federal and state regulations, chemical removal cannot be accomplished, and the removal of the calcium build-up must be completed through mechanical means. In 2017, technology advanced to the point where a cleaning hose nozzle could deliver water at over 29,000 pounds per square inch (psi), well above the threshold to break calcium and even concrete. A few municipalities have rented the service and found the removal of calcium to be successful, but slow. One definite cause of calcium build-up is calcium laden ground water that infiltrates into openings in pipe joints or manholes. The areas of the District located north of the 405 Freeway has been identified as having potentially high ground water levels. Most of the sewer segments experiencing calcium buildup are in this region. However, sewer laterals and mains inside the Costa Mesa Sanitary District where there is no near surface groundwater have also been subject to calcium build-up, possibly indicating the build-up can be due to other causes. Some possible causes are household products such as detergents, water softener regeneration or backflushing of pool filters. As part of this wastewater master plan update, the number of sewer segments and lengths of main with calcium have been categorized and are shown in below in Table 7. The program would include video inspections after the major cleaning effort to ascertain any damage to the pipes. A CIPP Liner will be installed in each segment after cleaning to eliminate ground water intrusion through the pipe joints. The initial phase of the project would be to conduct several small scale projects to ascertain the best and most cost effective method to do the removal. Table 7: Sewer Segments Severely Impacted by Calcium Build-Up The current District budget for Wastewater Capital Improvements includes Project #327 Calcium Removal. No. Description 1 Corporate Drive East of Business Park Drive 2 Santa Rosa Avenue from Santa Clara Drive to Smalley Road 3 San Rafael Circle 4 Santa Clara Circle North of Salinas Drive 5 Lavendar Lane North of Poppy Circle 6 Tulare Drive South of Salinas Avenue 7 Redding Avenue West of Turlock Drive 8 Brentwood Street Northwest of Santa Ana Avenue 9 Brittany Woods Lane 10 Irvine Avenue Southwest of 23rd Street. 11 Irvine Avenue Northeast of 19th Street 12 Westward Way & Westward Lane 13 Meadowview Lane Costa Mesa Sanitary District Wastewater Master Plan Update 13 Ductile Iron Pipe (DIP) The District’s regulations require that gravity sewer pipes are constructed of vitrified clay pipe. Because VCP is a rigid pipe, it will crack rather than deflect when subjected to excessive loading. To prevent cracking, sewer system designers substituted ductile iron pipe (DIP) for shallow sewers or where excessive loading might occur due to situations where large utility conduits crossed in close vertical proximity to the sewer main. DIP was also extensively used to satisfy health code requirements for vertical and horizontal separation of sewer and water mains. Unfortunately, DIP corrodes both from the inside due to the wastewater environment and from the outside due to acidic soils. Ductile Iron Pipes typically have interior and exterior coatings applied to inhibit corrosion. Over time, these coatings become compromised, and corrosion occurs. If allowed, corrosion will continue to weaken the pipe until it fails. Today’s sewer system operators try and avoid using ductile iron pipe due to its susceptibility to corrosion. The District has identified eighteen full length (manhole to manhole) sewer segments of DIP and eighty-six other sewer segments with shorter sections of DIP in its sewer system. One of the recommendations of this wastewater master plan is to remove the corrosion from ductile iron pipe segments and then install cured-in-place-pipe (CIPP) liners to extend the life expectancy. A listing of the pipe segments and approximate cost for corrosion removal and lining is in Appendix G. The current District budget for Wastewater Capital Improvements includes Project #328 Ductile Iron Pipe Rehabilitation. Developer's Responsibility to Provide Additional Sewer Capacity In the interest of fairness, the District committed to providing sewer capacity to the level identified in the Master Plan but any additional capacity needed as a result of a developer proposing an even more intense land use would be the responsibility of the developer. This policy relieves the District and the rate payers of the burden of funding sewer improvements made necessary by the scenario of increasing project densities. The District's policy is to require the developer to make a cash deposit to the District to fund a sewer analysis of the system where the new development is proposed. The analysis checks the capacity of the system assuming the proposed development is the only project that exceeds the General Plan density, but also checks line capacities assuming redevelopment of neighboring parcels also occurs to levels beyond the General Plan. An appropriate participation level is then determined for the developers. This method can be applied to property owners who desire to construct accessory dwelling units that would increase the density of development, dwelling units per acre, above the General Plan density for their lot. The property owners could be assessed a fair share portion of the total cost of sewer system improvements necessary to provide the additional capacity for the A.D.U.’s. Costa Mesa Sanitary District Wastewater Master Plan Update 14 High Volume Water Users The District experienced a major change in sewer discharge when various properties in the Airway Ave./Red Hill Avenue area were inhabited by high volume water users. Manufacturers of computer components and food processors have discharge volumes significantly above the values used in planning the sewer lines in the area. For instance, historical industrial uses within the Sanitary District discharge no more than 3,500 gallons per day per acre of development. One user was discharging 55,000 gallons per day per acre and was single-handedly responsible for overloading the sewer line. Just prior to planning for a new sewer, this particular user vacated the location. However, other high-volume water users are located in the area and a continuous monitoring program has been implemented. Users who generate flows that exceed the Master Plan flow coefficients should provide for additional sewer capacity in the same manner as developers proposing increased density developments. The District should continue to monitor existing potential high-volume water users. The industrial users are identified during the Development Review process at the City. As part of the process the District will require them to provide estimated flows and, if necessary, sewer capacity studies. If they discharge more than the master planned flows for their parcels, they would be required to contribute to the construction of the necessary improvements to carry the excess capacity. Long Term Sewer Replacement Fund The District’s gravity sewer system is predominantly constructed using vitrified clay pipe (VCP) which is a combination of clay and shale subjected to high temperatures to produce vitrification. The resultant pipe is inert, meaning it will not chemically decompose when subjected to acids or other chemicals. A 50-year old pipe will have the virtually same strength characteristics as a new pipe. This property coupled with being naturally abrasion resistant gives VCP a life expectancy that makes it the material of choice for use in sewer systems. The major causes of failure in VCP sewers are from outside forces. Earthquake damage, construction over the top or near the sewer main, and root intrusion are the main factors that compromise VCP sewers. Absent damage caused by these outside forces; a vitrified clay pipe can last well over 100 years. The District has been proactive in regularly cleaning and videoing the sewer system on a regular basis. Corrective maintenance is performed to repair defects found throughout the sewer system that have the potential to cause a stoppage or failure. A survey of sewer agencies throughout the United States disclosed two distinct philosophies of long-term sewer replacement. Some agency boards and managers believe it is their duty to establish a reserve that provides readily available substantial funds when the sewer system reaches its life expectancy. Other agencies choose to wait until the substantial repair time has arrived, then incur debt in the form of bonds or COPs to fund the improvements. Their philosophy is driven by the lack of a dedicated sewer fee plus the idea that current residents have already paid for their sewer system and that future owners should pay for a new one by paying off the debt. Costa Mesa Sanitary District Wastewater Master Plan Update 15 The Board of Directors and Staff of the District believe it is prudent to fund a replacement program rather than pass on an unfunded liability to the property owners. Consequently, the District completed a study in December 1998 and established a sinking fund. The study is included herein for reference as Appendix H. As described in the project report, Staff continues to monitor the advances in pipeline rehabilitation without excavation. Because repair and reconstruction of sewer lines in busy intersections and other hard to access areas is expensive, various no-dig methods were developed to provide repair or replacement of sewer lines without excavation. Methods include pipe bursting, directional drilling, and installing C.I.P.P. liners. The technology of no-dig is constantly improving, and it is anticipated that in the future, no-dig methods will be able to handle all pipe rehabilitation needs. The District has used all of these methods on various repair and improvement projects. When the District initiated its Long-Term Sewer Replacement Fund, costs for traditional sewer construction were easy to calculate but it is uncertain what methods and costs will be associated with no-dig methods 30 years from now when a large portion of the system will approach the 100 year mark. Waste Discharge Requirements (WDR) The Santa Ana Region of the State Water Quality Control Board oversees the water quality in the local waters of the State, particularly the Pacific Ocean and the Newport Beach Upper and Lower Bay. The beaches along the coast have been closed numerous times due to contaminated surface water runoff and sewer spills and the closures have impacted the economy associated with summer beach activity. In response to the beach closures, the Regional Water Quality Control Board adopted new storm drain and sewer regulations. The sewer regulations, termed the Waste Discharge Requirements (WDR), were adopted on April 26, 2002, and applied to all the sewer system owners in Orange County whose lines are tributary to the Orange County Sanitation District treatment plants. Therefore, these regulations applied directly to the Costa Mesa Sanitary District. Subsequent to the regional order, on May 2, 2006 a statewide WDR was adopted and the local order was rescinded. One of the requirements of the WDR is the preparation and implementation of a comprehensive Sewer System Management Plan (SSMP). By preparing and practicing the procedures in the plan, the occurrence of sewer spills should decrease. The SSMP is continually updated and every two years it is audited by an outside consulting firm to evaluate the effectiveness of the document and determine the District’s compliance with the WDR. The SSMP is recertified by the Board of Directors every five years. The last recertification was approved on January 25, 2021. The Costa Mesa Sanitary District recognizes the importance of protecting ocean water quality by preventing sewer spills and has historically taken a proactive approach to comprehensive sewer Costa Mesa Sanitary District Wastewater Master Plan Update 16 system management. The Costa Mesa Sanitary District's Sewer System Management Plan (SSMP) is included herein as Appendix B. Low Flow Diversion of Storm Water into Sewer System In an effort to assist the coastal cities in decreasing ocean pollution from contaminated surface water runoff, OCFCD has expressed interest in Low Flow Diversion Programs where low volume runoff flows are diverted from natural drainage channels to a nearby sewer system. The water is then treated with regular sewer flows. The Costa Mesa Sanitary District has been generally supportive of the idea as long as it doesn’t adversely impact peak flows in the sewer system. To date, there are no active Low Flow Diversion Projects in the District. A-1 Apppendix: A: Fixed Asset Schedule Appendix A CMSD FIXED ASSETS GRAVITY SEWER – VCP (FEET) 4” 6” 8” 10” 12” 15” 18” 21” 24” 30” 1,029 570,988 980,510 50,187 37,164 41,364 28,030 9,942 2,596 59 GRAVITY SEWER – DIP (FEET) 4” 6” 8” 10” 12” 15” 18” 21” 24” 1,146 1,297 1,967 102 95 20 30 8 13 GRAVITY SEWER – PVC (FEET) 6” 8” 10” 82 3,827 16 PRESSURE MAIN (FEET) 4” 5” 6” 8” 10” 12” 15” 18” 1,415 300 5,021 8,966 1,124 6,053 164 5,461 STRUCTURES MANHOLE LAMPHOLE PUMP STATION GENERATOR 4,722 71 20 5 B-1 Apppendix: B: Sewer System Management Plan (SSMP) COSTA MESA SANITARY DISTRICT SEWER SYSTEM MANAGEMENT PLAN (SSMP) WDID: 8SSO10566 Certified by the Board of Directors on 10/26/09 Amended by the Board of Directors on 12/17/09 Ratified by the Board of Directors on 1/28/10 Amended and Recertified by the Board of Directors on 6/23/11 Amended and Recertified by the Board of Directors on 7/31/13 Amended and Recertified by the Board of Directors on 12/17/15 Amended and Recertified by the Board of Directors on January 25, 2021 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 1 Table of Contents I. GOAL .................................................................................................................................................................... 3 A. INTRODUCTION ..................................................................................................................................... 3 B. REGULATORY BACKGROUND .................................................................................................................... 4 C. PURPOSE AND GOALS OF THE SSMP ......................................................................................................... 5 II. ORGANIZATION ................................................................................................................................................ 6 A. RESPONSIBLE OFFICIALS ................................................................................................................... 6 B. RESPONSIBILITIES FOR THE CMSD SSMP .................................................................................................. 6 C. CHAIN OF COMMUNICATION FOR REPORTING SSOS ..................................................................................... 11 III. LEGAL AUTHORITY ...................................................................................................................................... 13 A. PREVENT ILLICIT DISCHARGES INTO ITS SANITARY SEWER SYSTEM ................................................................... 13 B. REQUIRE THAT SEWERS AND CONNECTIONS BE PROPERLY DESIGNED AND CONSTRUCTED .................................... 13 C. MAINTENANCE, INSPECTION, OR REPAIRS OF SEWER LATERALS...................................................................... 14 D. LIMIT THE DISCHARGE OF FATS, OILS, AND GREASE AND OTHER DEBRIS THAT MAY CAUSE BLOCKAGES .................... 14 E. ENFORCEMENT OF VIOLATIONS OF CMSD SEWER ORDINANCES .................................................................... 15 IV. OPERATION AND MAINTENANCE PROGRAM ..................................................................................... 17 A. THE CMSD SANITARY SEWER SYSTEM MAP .............................................................................................. 17 B. PREVENTATIVE MAINTENANCE PLAN ....................................................................................................... 18 C. REHABILITATION AND REPLACEMENT PLAN ................................................................................................ 22 D. EDUCATION AND TRAINING ................................................................................................................... 28 E. EQUIPMENT AND REPLACEMENT PARTS INVENTORY .................................................................................... 29 V. DESIGN AND PERFORMANCE PROVISIONS ......................................................................................... 31 A. STANDARDS FOR INSTALLATION, REHABILIATION AND REPAIR ...................................................................... 31 B. STANDARDS FOR INSPECTION AND TESTING OF NEW AND REHABILITATED FACILITIES ...................................... 31 VI. OVERFLOW EMERGENCY RESPONSE PLAN ......................................................................................... 33 A. SSO NOTIFICATION PROCEDURES ........................................................................................................... 33 B. APPROPRIATE RESPONSE TO ALL OVERFLOWS ........................................................................................... 34 C. REGULATORY NOTIFICATION PROCEDURES ............................................................................................... 34 1) Oral Notification ........................................................................................................................ 34 2) Written Report ........................................................................................................................... 35 D. WATER QUALITY SAMPLING ................................................................................................................... 36 E. TRAINING PROCEDURES ........................................................................................................................ 36 F. EMERGENCY RESPONSE OPERATIONS ...................................................................................................... 39 VII. FOG CONTROL PROGRAM .......................................................................................................................... 43 A. PUBLIC EDUCATION OUTREACH PROGRAM ............................................................................................... 43 B. FOG DISPOSAL PLAN ........................................................................................................................... 44 C. LEGAL AUTHORITY TO PROHIBIT DISCHARGES TO THE SYSTEM ...................................................................... 45 D. GREASE REMOVAL DEVICE REQUIREMENTS .............................................................................................. 46 E. INSPECTION OF GREASE PRODUCING FACILITIES ......................................................................................... 46 F. FOG PROGRAM STAFF ........................................................................................................................... 48 G. CLEANING SCHEDULE FOR SEWER SYSTEM SECTIONS SUBJECT TO FOG BLOCKAGES ......................................... 48 H. SOURCE CONTROL MEASURES FOR ‘ENHANCED MAINTENANCE AREAS’ ......................................................... 49 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 2 VIII. SYSTEM EVALUATION AND CAPACITY ASSURANCE PLAN ............................................................ 50 A. EVALUATION ...................................................................................................................................... 50 B. DESIGN CRITERIA ................................................................................................................................. 50 C. CAPACITY ENHANCEMENT MEASURES ..................................................................................................... 50 D. CIP SCHEDULE .................................................................................................................................... 51 IX. MONITORING, MEASUREMENT, AND PROGRAM MODIFICATIONS ............................................ 57 X. SSMP PROGRAM AUDITS ........................................................................................................................... 71 XI. COMMUNICATIONS PROGRAM ................................................................................................................ 52 List of Tables TABLE 2-1: CMSD CONTACTS RESPONSIBLE FOR SSMP .............................................................................. 8 TABLE 3-1: LEGAL AUTHORITY CHECKLIST ................................................................................................. 16 TABLE 4-1: CMSD PUMP STATION EMERGENCY EQUIPMENT ................................................................ 20 TABLE 4-2: NASSCO PACP GRADES ................................................................................................................... 26 TABLE 4-3: EDUCATION AND TRAINING ........................................................................................................ 28 TABLE 7-1: GREASE HAULING COMPANIES SERVING ORANGE COUNTY ............................................ 44 TABLE 7-2: GREASE RENDERING/DROP OFF POINTS FOR COSTA MESA AREA ............................... 45 TABLE 8-1: CMSD SHORT TERM CIP SCHEDULE .......................................................................................... 52 TABLE 8-2: CMSD LONG TERM CIP SCHEDULE ............................................................................................. 54 TABLE 10-1: PAST SSMP AUDITS AND FUTURE SCHEDULED AUDITS ................................................. 71 List of Figures FIGURE 2-1: CMSD SSMP ORGANIZATION CHART.......................................................................................... 7 FIGURE 4-1: CMSD WASTEWATER SYSTEM AGE ......................................................................................... 23 FIGURE 4-2: PIPE MATERIAL .............................................................................................................................. 23 FIGURE 6-1: SSO RESPONSE FLOW CHART .................................................................................................... 37 Attachments 1. EMERGENCY CONTRACTORS .......................................................................................................................... 73 2. CHANGE LOG ...................................................................................................................................................... 79 APPENDIX 1 – SEWER MAINS, PRESSURIZED MAINS AND PUMP STATION MAP ................................................... 80 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 3 I. GOAL A. INTRODUCTION The Costa Mesa Sanitary District (CMSD) is an independent special district governed by an independent five-member Board of Directors elected at large by the residents. CMSD was formed in 1944, nine years before the City of Costa Mesa was incorporated and provides wastewater service and solid waste collection. The boundaries of CMSD include the entire City of Costa Mesa and portions of the City of Newport Beach and the unincorporated territory of the County of Orange. CMSD serves a residential population of approximately 116,700 plus various public, commercial, industrial and retail land uses. CMSD’s facilities include 219.4 miles of gravity mainline, 4.8 miles of pressurize mainline, 109.3 miles of private property sewer lateral pipelines, 24,955 service lateral connections, 4,707 manholes and 20 pumping stations. A detailed list of the sizes and lengths of CMSD owned sewer lines can be found in the Costa Mesa Sanitary District’s Sewer Master Plan. CMSD’s headquarters is located at 290 Paularino Avenue, Costa Mesa and CMSD’s Yard is located at 174 W. Wilson Street, Costa Mesa. CMSD moved into the new headquarter building on November 11, 2016. The yard facility became operational in October 2010 and in February 2011, the U.S. Green Building Council (USGBC) certified the Yard as Platinum LEED (Leadership in Energy and Environmental Design) for demonstrating the building uses of sustainability practices and environmental protection. Platinum LEED is the highest certification awarded by USGBC. In 2012 and 2015, the Costa Mesa Sanitary District was named Collection System of the Year by the Santa Ana River Basin Section (SARBS) of the California Water Environment Association (CWEA). SARBS, which boundaries include Orange, Riverside and San Bernardino Counties, is one of 17 geographical local sections of CWEA that trains and certifies wastewater professionals and promotes sound policies to benefit society through protection and enhancement of statewide water environment. In 2012, CMSD won the award again from CWEA. The designation of ‘Collection System of the Year’ is one of the most prestigious SARBS/CWEA awards which recognizes an agency’s significant accomplishments, safety record, training program, regulatory compliance, maintenance program along with documented administrative and emergency procedures. In 2019, CMSD won SARBS Community Engagement & Outreach award for educating the public about wastewater collections and preventing sanitary sewer overflows. The Santa Ana Region of the State Water Quality Control Board oversees the water quality in the local waters of the State, particularly the Pacific Ocean and the Newport Beach Upper and Lower Bay. The beaches along the coast have been closed Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 4 numerous times due to contaminated surface water runoff and sewer spills and the closures have impacted the economy associated with summer beach activity. In response to the beach closures, the Regional Water Quality Control Board adopted new storm drain and sewer regulations. The sewer regulations, termed the Waste Discharge Requirements (WDR), were adopted on April 26, 2002, and applied to all the sewer system owners in Orange County whose lines are tributary to the Orange County Sanitation District treatment plants. Therefore, these regulations applied directly to the Costa Mesa Sanitary District. Subsequent to the regional order, on May 2, 2006 a statewide WDR was adopted and the local order was rescinded. One of the requirements of the WDR is the preparation and implementation of a comprehensive Sewer System Management Plan (SSMP). By preparing and practicing the procedures in the plan, the occurrence of sewer spills should decrease. The SSMP is continually updated and every two years it is audited by an outside consulting firm to evaluate the effectiveness of the document and determine the District’s compliance with the WDR. The SSMP is recertified by the Board of Directors every five years. The last recertification was approved on December 17, 2015 with the next recertification adopted on January 25, 2021. The Costa Mesa Sanitary District recognizes the importance of protecting ocean water quality by preventing sewer spills and has historically taken a proactive approach to comprehensive sewer system management. B. REGULATORY BACKGROUND The Costa Mesa Sanitary District lies in Region 8 of the State Water Resources Control Board. The Region 8 WDR adopted in 2002 was partially in response to the Orange County Grand Jury report that analyzed ocean water pollution and identified grease in sewer lines as a substantial cause of sanitary sewer overflows (SSOs). Along with the WDR, the Regional Water Quality Control Board (RWQCB) also adopted Monitoring and Reporting Requirements in order to insure consistent and accurate sewer spill reporting. After the State Water Resources Control Board viewed the success of the regional WDR, a statewide order was adopted and the local order rescinded. The statewide order is nearly identical to the regional order and covers all sewer system owners in the State of California who own one mile or more of sewer lines. The statewide order is Order No. R3-2006-0003-DWQ, Statewide General Waste Discharge Requirements for Sanitary Sewer Overflows, (SSOs) and was adopted on May 2, 2006. The Costa Mesa Sanitary District Sewer System Management Plan (SSMP) is tailored to meet this order. The SWRCB developed the WDR to promote uniformity in the management of California’s wastewater collection systems and reduce SSOs. The SWRCB found that cities and districts that have implemented SSMPs similar to this have been effective Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 5 not only in improving spill reporting, but also in mitigating SSO impacts. Data also supported the conclusion that better collection system management will benefit water quality and prolong the life of sanitary sewer systems. The SWRCB may regulate sanitary sewer overflows based on authority in the Federal Clean Water Act (EPA 2002) and the Porter-Cologne Water Quality Control Act, Section 13263 (California Water Code of Regulation 2006). C. PURPOSE AND GOALS OF THE SSMP This document has been developed to comply with WDR R3-2006-003-DWQ and sets specific wastewater collection system requirements and upholds State water quality standards. The WDR requires permittees to prepare and implement a SSMP in order to: • Protect public health and the environment, • Provide a plan and schedule to properly manage, operate, and maintain all parts of the sanitary sewer system in order to provide reliable service in the future, • Prevent or minimize the frequency of SSOs, • Ensure corrective action is taken in a timely manner, and. • Maintain and improve the condition and performance of the District’s wastewater collection system. Sanitary sewer overflows are overflows from sanitary sewer systems of domestic, industrial, and/or commercial wastewater. SSOs may cause a public nuisance, particularly when untreated wastewater is discharged to waters designated for contact recreation. CMSD will proactively manage the operations of its sewage system in a way that prevents SSOs. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 6 II. ORGANIZATION A. RESPONSIBLE OFFICIALS The Legally Responsible Official (LRO) for the Costa Mesa Sanitary District is the District Engineer. The Wastewater Maintenance Superintendent and General Manager serve as CMSD’s alternate LROs. B. RESPONSIBILITIES FOR THE CMSD SSMP General Manager Alternate Legally Responsible Official (LRO) Responsible for overseeing the day-to-day operations of CMSD. Establish administrative policies and implements said policies. Allocate resources. Delegate responsibility Serves as public information officer Authorizes outside contractors to perform services. Assist with the planning and budgeting of capital improvement projects District Engineer Legally Responsible Official (LRO) Design and construction standards and specifications for sewer systems. Procedures and standards for inspecting and testing the installation of new and rehabilitated sewer systems. System Evaluation and Capacity Assurance Plan / Capital Improvement Program including: • Hydraulic capacity evaluation. • Capacity enhancement measures. • Schedule replacements. • Regular visual and TV inspections of manholes and sewer pipes. • Prioritizing and scheduling rehabilitation projects. • Rehabilitation and replacement plan to identify and prioritize system deficiencies including potential sources for future SSOs. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 7 Coordinates FOG program with EEC Environmental Collaborates with PIO on public communications Regulatory notifications and communications (including SSO reporting on CIWQS) FOG (fats, oil, and grease) program enforcement, education and outreach Assist with the planning and budgeting of capital improvement projects Supervises the completion of capital improvement projects Wastewater Maintenance Superintendent Alternate Legally Responsible Official (LRO) Primary responder for SSOs Implements Emergency Response Supervises field crew for collection system maintenance. Contract manager for outside services. Routine preventive operation and maintenance activities. Allocates program resources. Assigns work orders through the Computerized Maintenance Management System (CMMS). Staff training in sanitary sewer system operations and maintenance. Equipment and replacement part inventories. SCADA Technician/Industrial Electrician Ensures CMSD’s pump stations are maintained in a safe and effective working condition. Troubleshoots electrical control panels. Monitors the Supervisory Control and Data Acquisition (SCADA) system. Monitors smart-cover sensors. Performs routine preventive maintenance on pump stations. Conducts annual pump station inspections Receives training in wastewater collection system operations and maintenance. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 8 Assign to on-call and/or standby duties. Wastewater Maintenance Workers I, II & III Primary responder for SSOs. Implements Emergency Response. Performs routine preventive operation and maintenance activities. Receives training in wastewater collection system operations and maintenance. Assigned to on-call and/or standby duties. Performs Closed Circuit Television (CCTV) of pipeline. Management Analyst I Prepares request for proposals for SSMP self-auditing services Administers SSMP self-auditing contract. Engineering Technician/Construction Inspector Reviews wastewater plans and specifications for compliance with applicable codes and standards. Issues permits for construction projects. Ensures new construction meets standards. Implements emergency response. Oversight of contractors hired to work on CMSD facilities. Oversees the District’s Sewer Inspection Rebate Program (SIRP) EEC Environmental (Contractor) Administers the District’s FOG Program Performs inspections at food service establishments Prepares GIS maps Maintains and updates data in GIS and CMMS C&R Drains (Contractor) Performs emergency response during after hours, holidays and weekends. Receives training on overflow response. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 9 Figure 2-1: CMSD Organization Chart Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 10 Table 2-1: CMSD Contacts Responsible for SSMP SSMP Element Responsible Party (Position) Responsible Party (Name) Phone Number 949-645-8400 Email Address Introduction General Manager Scott Carroll Ext. 223 scarroll@cmsdca.gov 1 – Goals General Manager Scott Carroll Ext. 223 scarroll@cmsdca.gov 2 – Organization General Manager Scott Carroll Ext. 223 scarroll@cmsdca.gov 3 – Legal Authority District Engineer Mark Esquer Ext. 241 mesquer@cmsdca.gov 4 – O&M Program Wastewater Maintenance Superintendent Steve Cano Ext. 235 scano@cmsdca.gov 5 – Design & Performance Provisions District Engineer Mark Esquer Ext. 241 mesquer@cmsdca.gov 6 – Overflow Emergency Response Program Wastewater Maintenance Superintendent Steve Cano Ext. 235 scano@cmsdca.gov 7 – FOG Control Program District Engineer & EEC Environmental Mark Esquer & Joe Jenkins (EEC) Ext. 241 714-667-2300 mesquer@cmsdca.gov jjenkins@eecenvironmental.com 8 – SECAP District Engineer Mark Esquer Ext. 241 mesquer@cmsdca.gov 9 – Monitoring, Measurement, and Program Modifications General Manager Scott Carroll Ext. 223 scarroll@cmsdca.gov 10 – SSMP Audits Mgt Analyst I Nabila Guzman Ext. 230 nguzman@cmsdca.gov 11-Communication General Manager Scott Carroll Ext. 223 scarroll@cmsdca.gov 12 - Change Log General Manager Scott Carroll Ext. 223 scarroll@cmsdca.gov Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 11 C. CHAIN OF COMMUNICATION FOR REPORTING SSOS The SSO reporting chain of communication is illustrated in Figure 6-1, Chapter VI, Overflow Emergency Response Plan, which details the procedures and responsibilities during an SSO event. The process is briefly described below. After receiving a complaint or report of a potential SSO, the Wastewater Maintenance Superintendent and the District Engineer are notified. In the case of a power failure or other emergency within a pumping station, an alarm auto-dialer system will call to inform all wastewater maintenance employees, District Engineer and the General Manager. The first responder will report an overflow or hazard immediately to the Wastewater Maintenance Superintendent and/or the District Engineer and then to the General Manager. The General Manager is responsible for reporting the overflow, via telephone, to the appropriate regulatory agencies. The response process for SSOs is described in Chapter VI in more detail. The District’s Engineer is the Legally Responsible Official (LRO) and is responsible for overseeing the reporting process. The District Engineer receives the spill report from the Wastewater Maintenance Superintendent and drafts up the required report with consideration given to volume calculations, vacuum and wash down operations, cause of spill, timeliness of response, etc. After discussions are complete, the report is finalized, reviewed by the Wastewater Maintenance Superintendent and then transmitted to the appropriate authorities by the District Engineer. CMSD reports all spills except private property spills where the spill is contained on-site. As a first priority during a sewer spill, CMSD staff and field crews notify the appropriate personnel by phone that a spill has occurred instead of depending on the report as a means of notification. If the spill is significant or the result of a major emergency involving CMSD sewer lines or pumping stations, CMSD follows a pre-described procedure. In order to properly respond to a sewer system emergency that requires reconstruction of CMSD sewer facilities, CMSD maintains a list of high quality contractors for emergency services. The list contains contractors who have demonstrated expertise in pumping station construction, pipeline construction, televising, and pipeline rehabilitation utilizing trenchless technology. These contractors are staffed with well-experienced workers who are able to handle the scope of emergencies related to sanitary sewer systems. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 12 III. LEGAL AUTHORITY The District must demonstrate, through sanitary sewer system use ordinances, service agreements, or other legally binding procedures, that it possesses the necessary legal authority to: (A) Prevent illicit discharges into its sanitary sewer system. (B) Require that sewers and connections be properly designed and constructed. (C) Ensure access for maintenance, inspection, or repairs for portions of the lateral owned or maintained by CMSD. (D) Limit the discharge of fats, oils, and grease and other debris that may cause blockages, and (E) Enforce any violation of its sewer ordinances. A. PREVENT ILLICIT DISCHARGES INTO ITS SANITARY SEWER SYSTEM The Sanitary District has the power to install sewers and enact regulations related thereto, including the prohibition of private sewer systems and requiring all inhabited property to be connected to CMSD sewers (Health and Safety Code Section 6400 et seq.) Once exercised, a sanitary district’s power is controlling over any general law city or county regulation pertaining to the same subject (Home Gardens Sanitary District v. City of Corona (2002) 116 Cal.Rptr.2d 638.) A permit from CMSD is required to connect to, use, or maintain a connection to the CMSD’s facilities (District Operations Code Section 6.04.060 (a)). Any person, firm or corporation that connects or discharges to CMSD’s wastewater system without a valid permit is guilty of a misdemeanor (CMSD Operations Code Section 6.04.060 (f)). In the Costa Mesa Sanitary District, illegal connections are usually connections to the sewer system by property owners who have drainage problems due to flat areas and low spots and who solve those problems by draining those areas to an inlet that is connected to the sewer system. When instances of these illegal connections are found, the property owner is required to immediately remove the connection. B. REQUIRE THAT SEWERS AND CONNECTIONS BE PROPERLY DESIGNED AND CONSTRUCTED Results of CMSD-wide video inspection show that vitrified clay pipe will remain in excellent condition if proper construction practices are followed. Providing continuous inspection during the installation procedure insures the proper construction practices are followed. Continuous inspection of other utilities being installed in the vicinity of the sewer lines insures proper protection methods are provided for the sewer lines and lengthens the life expectancy of the lines. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 13 Title 6 of the Operations Code regulates sewer construction. All sewer construction must be in accordance with CMSD standards (Section 6.01.010). The type of materials and inspection requirements by CMSD staff are provided in Chapter 6.01. The Sanitary District has its Standard Plans and Specifications for the Construction of Sanitary Sewers that ensures the sewer lines and connections are properly designed and constructed. CMSD’s specifications by reference incorporate the Standard Plans and Specifications for Public Works Construction (Green Book), which assists in insuring proper design and construction of sewer facilities. C. MAINTENANCE, INSPECTION, OR REPAIRS OF SEWER LATERALS The Costa Mesa Sanitary District does not own or maintain the sewer laterals within CMSD boundary. By ordinance, the sewer laterals, even when located within public streets remain private and are owned and maintained by the property owner (CMSD Operations Code Chapter 6.02.020). CMSD does require CCTV inspection and repairs of private sewer laterals under certain conditions that will assist in preventing sewer spills (CMSD Operations Code Chapter 6.03). D. LIMIT THE DISCHARGE OF FATS, OILS, AND GREASE AND OTHER DEBRIS THAT MAY CAUSE BLOCKAGES Every owner, tenant and persons using property shall have a duty not to cause, permit or allow the accumulation of grease in CMSD's sewer line so that sewage spills may occur. Such persons shall use reasonable methods to reduce grease accumulation in the CMSD's sewer lines including but not limited to reducing or eliminating the grease that is deposited in the sewer and utilizing enzymes and similar products that prevent grease build-up. No person shall discharge grease into the sewer system so as to cause an accumulation in the CMSD's lines so as to substantially contribute to the possibility of a sewage overflow (CMSD Operations Code Section 6.07.040). On November 21, 2011, CMSD implemented a convenient program for residents to dispose of unwanted cooking grease. In a partnership with the Orange Coast College (OCC), residents can bring any type of grease filled jugs, bottles and/or containers to the OCC Recycling Center located on Adams Street between Harbor Blvd and Fairview Road in Costa Mesa. The grease is poured into one of the two 50 gallon vats that are stored in front of the recycling center. When the vats are full, a contractor will arrive to pump out the grease and then transport the material to a rendering facility where the grease is recycled into useable products such as candles, soap, pet food and biofuel for automobiles. If the Recycling Center is closed during the holiday months (November & December), a temporary cooking grease drop-off site will be established at CMSD HQ. No Food Service Establishment shall discharge into the CMSD’s system without obtaining a permit from CMSD and shall implement Best Management Practices in their Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 14 business operations to minimize discharge of any FOG to the sewer system in accordance with this chapter (CMSD Operations Code Section 6.07.050). CMSD has adopted Operations Code Chapter 6.07, which control fats, oils, and greases (FOG). Grease has been identified as the number one cause of sewer line stoppages and spills by the Sanitary District and by the Orange County Grand Jury who conducted a countywide study. Because of this finding, FOG has been identified as the most important first step in improving sewer system reliability. As stated earlier, CMSD has the legal authority to control discharges to the sewer system for all sewer facilities located on private property that are outside any structures located on the property. This authority allows CMSD to require grease interceptors, as by Code the interceptor is located outside the building. The legal authority for plumbing fixtures inside a building rests with the local agency building department. CMSD controls the discharge of other debris into the sewer system through its ordinances and through the ordinances of the Orange County Sanitation District, whose regulations prohibit unapproved debris from being discharged into the system (CMSD Operations Code Chapter 6.09). Both the Costa Mesa Sanitary District and the Orange County Sanitation District only allow discharges from permanently install plumbing fixtures unless authorized by special discharge permit. E. ENFORCEMENT OF VIOLATIONS OF CMSD SEWER ORDINANCES CMSD has enacted an Operations Code by ordinance. Any person, firm, or corporation violating the penal provisions of this ordinance shall be guilty of a misdemeanor and punishable by a fine of up to one thousand dollars per day and/or up to six months in jail (Section 1.02.010). Violations of the connection permit provisions of the Operations Code are also subject to administrative citations (Section 1.06.010(d). Violations of the Operations Code may result in termination of service in accordance with Health and Safety Code Section 6523.2. CMSD is also authorized to abate conditions on property and to collect the costs on the assessment roll or as a lien (CMSD Operations Code Chapter 6.10). Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 15 Table 3-1: Legal Authority Checklist Requirements CMSD Code Reference Public Wastewater System Ability to prevent illicit discharges into the wastewater collection system CMSD Operations Code Section 6.04.060(a) Ability to require that sewers and connections be properly designed and constructed. CMSD Operations Code Chapter 6.01 Laterals CMSD does not own or maintain the sewer laterals within CMSD service area. Laterals are owned and maintained by private property owners. Ordinance No. 8 and 81 CMSD Operations Code Section 6.02.020 CMSD requires private property owners to televise and repair their laterals under certain conditions. CMSD Operations Code Chapter 6.03 FOG Source Control Ability to limit the discharge of FOG and other debris that may cause blockages. Ordinance No. 81 CMSD Operations Code Section 6.07.040 No Food Service Establishment shall discharge into CMSD’s wastewater system without obtaining a permit Ordinance No. 51 CMSD Operations Code Section 6.07.050 Food Service Establishments shall implement Best Management Practices. Ordinance No. 113 Section 6.07.060 Enforcement Ability to enforce any violation of CMSD wastewater ordinances. CMSD Operations Code Chapters 1.02, 1.03 and 1.06 6.08, 6.09, 6.10 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 16 IV. OPERATION AND MAINTENANCE PROGRAM A. THE CMSD SANITARY SEWER SYSTEM MAP The Costa Mesa Sanitary District uses Geographic Information System (GIS) technology to create, maintain, and manage maps and data sets associated with its wastewater collection system. The wastewater system GIS mapping is maintained by EEC Environmental, a private contractor under contract with CMSD. Pipe inventory data includes ownership, installation year, diameter, length, material, slope, status, record drawing reference and other information. Manhole inventory data includes ownership, installation year, shaft diameter, depth, invert elevation, rim elevation, record drawing reference and other information. In FY 2014-15, CMSD installed wireless tablets in its wastewater fleet that enables staff to gain access to GIS maps and Computerized Maintenance Management System (CMMS) work orders. Field staff no longer need to thumb through large sewer and storm drain atlas maps or carry large binders of work orders. With the tablets and access to CMSD’s Cityworks asset management system, powered by Esri’s ArcGIS, all the information they need is at their fingertips. In 2016, CMSD added features to the GIS/CMMS by allowing staff to view CCTV from the tablets. The crew cleans 150 miles of pipeline a year, so access to CMSD’s asset management system gives them important information such as last cleaning date, notes about obstructions (if any), pipeline length and material, pipeline and manhole conditions, and CCTV observations. Cityworks, empowers the crews to access work orders and maintenance history. With a click of a button staff can query specific data in the field such as pipeline condition, maintenance history, photos, lift station run times, and asset lifecycles. The tablets can be removed from inside vehicle cabs and used in the field to take pictures, open and close work orders, take notes, send emails, search for reports, or log inspections among other things. Hard copy Atlas maps are also available and maintained in CMSD’s fleet and in the vehicles of its after-hours emergency responder, C&R Drains. CMSD’s new GIS atlas maps are reprinted whenever significant updates are made. The locations of all the storm water conveyance facilities are shown on separate maps prepared by the agencies owning the storm drains and copies of these plans in reduced size format have been distributed to the District Engineer, Engineering Technician/Construction Inspector, Field Crews, Administrative Office, and to CMSD’s after-hour emergency responder, C&R Drains. CMSD recognizes the link between a sewer spill and its travel in a storm drain facility to the receiving waters. CMSD has educated its staff and C&R Drains to understand the storm drain network and utilize it to capture a spill if it has entered the storm drain system. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 17 CMSD understands the National Pollutant Discharge Elimination System (NPDES) regulations for storm drain system owners contain requirements prohibiting sewer system spills into the storm drains. The NPDES requires the storm drain system owners to adopt measures that will decrease the possibility of sewer spills reaching the waters of the state. B. PREVENTATIVE MAINTENANCE PLAN 1. Proactive Wastewater System Cleaning The District owns two combination sewer cleaning units that are operated by two, two person crews. The goal is to clean the entire system within eighteen months. When a unit is down for a long period of time for repairs, the District will hire a private contractor to assist with the cleaning and/or rent a combination sewer cleaning unit from a private company that is operated by District staff to ensure the cleaning goal is met. The District will continue reevaluating the system-wide cleaning frequency to identify enhancements that will assist achieving the objective of cleaning the entire system within eighteen months. Enhancements will include, but not limited to: • Increase contractor cleaning use • Hire additional wastewater maintenance staff • Purchase additional maintenance equipment • Reduce the cleaning frequency for segments that do not require eighteen month cleaning frequency. Appendix 1 provides a map of CMSD’s sewer system that includes pump stations, pressurized mains, gravity mains, and inverted siphons. 2. Enhance Maintenance Areas Areas needing more frequent cleaning – known as enhanced maintenance areas – are cleaned as frequently as necessary due to root intrusion, grease accumulation, or structural defects. These include the inverted siphons that run under flood control channels or commercial areas with multiple restaurants. Cleaning frequencies for hot spots range from twice a year to four times a year. In 2011, a Hot Spot Committee, consisting of CMSD management and field crew, was created to reduce the number of hot spot locations. CMSD has successfully reduced the number of hot spot locations from 95 to 18. On January 14, 2020, staff gave a report to the Board of Directors indicating the number of hot spot locations could be as low as fourteen within a few years. Reducing the number of hotspots from 97 to 14 saves Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 18 approximately 72 hours and 45 minutes of labor per year. The hours saved is transferred to the annual cleaning cycle program. The fourteen locations will remain on a permanent hot spot list because it is more cost effective to clean these locations at a high frequency rather than performing repairs and/or rehabilitation work. Because the Hot Spot Committee has achieved its objective, the General Manager has decided to disband the Committee. The Hot Spot Committee is no longer meeting on a quarterly basis and will only meet when necessary. 3. Pump Station Operation and Maintenance CMSD currently owns, operates and maintains 20 wastewater pump stations. The District has one two-person crew that is responsible for performing daily inspections and annual preventative maintenance on the stations. Each of the lift stations are equipped with supervisory control and data acquisition (SCADA) and monitored daily by CMSD’s SCADA Technician/Industrial Electrician. The SCADA Technician/Industrial Electrician can monitor lift station SCADA data from the office or remotely on his cellular phone or from his wireless tablet. CMSD addresses SCADA alarms on a daily basis. The District has in its fleet a Ford F-750 Super Cab XLT utility truck with a mounted outrigger crane. The crane can lift up to 11,000 pounds and the truck came with special accessories such as welding equipment, generator, 2” trailer hitch, air compressor and pressure washer. The pump station maintenance crew uses the Ford F-750 to perform annual preventative maintenance at lift stations. The crew performs the following PM functions: • Remove the motors to examine the impellers for wear and torque; • Change the oil; • Check the motor windings for resistance; • Test and check the general condition of the pumps; • Re-install the pumps and test the system. Replacement parts are inventoried at the District Yard, located at 174 West Wilson Street, and replaced at pump stations in accordance with manufacturer operations and maintenance manual. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 19 CMSD acquired emergency equipment to ensure the stations that require back up power had back up power in the event of a CMSD wide or regional wide power outage. Table 4-1 below describes the emergency equipment assigned to each station. Table 4-1: CMSD Pump Station Emergency Equipment Lift Station Location Emergency Equipment Exercise Frequency Annual PM Performed by Canyon 999 Wilson St On-site 50 kW Kohler generator Weekly Global Power Group Irvine 2677 Irvine Ave On-site 150 kW natural gas Kohler generator Weekly Global Power Group Elden 146 Mesa Drive On-site 99 HP Godwin bypass pump Weekly Xylem Victoria 550 Victoria Street. At the end of Miner St On-site 24 HP Godwin bypass pump Weekly Xylem Mendoza 2899 Mendoza Drive On-site 24 HP Godwin bypass pump Weekly Xylem 19th Street 1035 W. 19th St On-site 30kW John Deere generator Weekly Global Power Group Valley 1140 Aviemore Terrace Portable 17.1 kW bypass pump Monthly Charles King Company Corp Yard 2300 Placentia Portable 17.1 kW bypass pump Monthly Charles King Company Harbor 521 Wilson St Portable 160 kW Generac generator Monthly YC Power Adams 2054 Adams Ave Portable 71 kW Generac generator Monthly YC Power Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 20 23rd Street 2401 23rd Street, NB On-site 30kW Kohler generator Weekly Global Power Group President 2034 President Place Portable 36 kW Multiquip generator Monthly YC Power California 1803 California Street Portable 33.6 kW Doosan generator Monthly YC Power Santa Ana 2449 Santa Ana Ave Portable 33.6 kW Doosan generator Monthly YC Power Gisler 3003 Iowa St Portable 33.6 kW Doosan generator Monthly YC Power Iowa 1601 Iowa St Portable 33.6 kW Doosan generator Monthly YC Power Seabluff 1099 Seabluff Drive Portable 33.6 kW Doosan generator Monthly YC Power Westbluff 1059 Westward Lane Portable 33.6 kW Doosan generator Monthly YC Power South Coast Plaza Parking lot behind Bloomingdale's South Coast Plaza provides two sources of Edison power plus an on-site generator. 21st Street 114 21st Street Lift station has two-way manhole, which drains to the Elden Lift Station. No backup power is necessary. Every quarter (once every three months), the Pump Station Committee, which consist of CMSD management and the pump station crew, meet to discuss pump station operations and needed repairs. The pump station crew will report what they are observing on a weekly basis and share with the group the pump run times according data collected from SCADA. Needed repairs are scheduled accordingly. In an effort to help prevent private SSOs, CMSD staff came up with an innovative program to help diagnose the operational condition of private sewer pump stations. This service is free to any of the twenty-six existing private pump station owners that are currently located within CMSD service area. Upon request and after receiving permission to enter their property, Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 21 staff will inspect the pumps and make recommendations for improvements. Staff will perform the following inspections: • Observe station in normal working condition • Check valves • Exercise plug valves • Check electrical wiring and components • Check motor starters, breakers and fuses • Check motor chords and check resistance • Check motor windings • Take amperage reading for the motors At the conclusion of the inspection a list of recommended repairs will be given to the property owner/manager and it will be up to the owner/manager to perform those repairs. A list of qualified contractors will be provided to the owner/manager, but staff will not recommend a specific contractor. In order to prevent private property sanitary sewer overflows from residential properties, the Board of Directors replaced Sewer Lateral Assistance Program with the Sewer Inspection Rebate Program (SIRP).The SIRP allows resident to receive $200 to $250 rebate for televising and videoing the condition of their sewer lateral. Residents can also receive $500 rebate for installing a ground level cleanout. The program was developed to encourage homeowners to take a proactive approach to sewer lateral maintenance. 4. Closed Circuit Television (CCTV) Included in the District’s fleet is a CCTV trailer. The CCTV trailer is greatly enhancing operations because when the cleaning crew finds obstructions in the pipeline, CMSD can immediately analyze the problem by using the CCTV trailer and then quickly implement mitigation efforts. The trailer is used for inspecting locations that have roots, FOG and/or structural defects. CMSD staff is trained on reviewing wastewater videos and how to identify pipe conditions by using National Association of Sewer Service Companies (NASSCO) Pipeline Assessment and Certification Program (PACP). C. REHABILITATION AND REPLACEMENT PLAN Approximately 73% of CMSD’s wastewater system was constructed prior to 1965. See Figure 4-1 below. The vast majority of the system constructed before 1965 is made of vitrified clay pipe (VCP). Of the 27% of pipeline constructed after 1965, 93% is VCP. Other materials used for wastewater pipeline include ductile iron pipe (DIP), polyvinyl chloride (PVC) and cast iron pipe (CIP). See Figure 4-2 below regarding pipe material for the entire wastewater system. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 22 Figure 4-1: CMSD Wastewater System Age Figure 4-2: Pipe Material Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 23 The oldest VCP pipe is 63 years with the average pipe age being 50 years old. Vitrified Clay Pipe is the most sustainable pipe available for wastewater systems. According to National Clay Pipe Institute (NCPI), the U.S. Army Corps of Engineers assumes a one hundred year service life for VCP and the Canadian National Research Council/Institute for Construction Research estimates the service life of VCP at 132 years (source: http://www.ncpi.org/GreenStandards.asp). The following describes how CMSD performs inspection and condition assessment for its wastewater manholes and pipelines. Manholes CMSD has 4,707 wastewater manholes. 71% of CMSD manholes were constructed prior to 1967 and made of brick. The remaining 29% of manholes are made of concrete. Every year, when the wastewater maintenance crew is cleaning the system, they open the manholes to access the mainline. When the manholes are open, the crew will observe the condition of the manhole interior, specifically where corrosion has deteriorated the brick walls, concrete walls, steps or manhole bases. CMSD uses the National Association of Sewer Service Companies (NASSCO) Manhole Assessment Certification Program (MACP) format for documenting manhole conditions. The MACP method is similar to NASSCO’s Pipeline Assessment Condition Program (PACP) system. The MACP process provides a system for identifying and documenting specific defects within the manhole. Furthermore, the MACP documentation includes taking note of physical features of the manhole which is valuable information for updating CMSD’s asset management program and can provide useful information for determining rehabilitation options. The documentation of physical features are logged into GIS and CMSD’s asset management program. Other manholes are evaluated based on their years of service described in the asset management plan. CMSD’s standard form of rehabilitation for manholes is applying a polyurethane coating. From 2013 through 2021, the District has rehabilitated 276 manhole covers, rings and surface area, and lined 22 brick manholes. Pipelines a. Gravity Main: From 2016 through 2018, the District televised the entire wastewater system. By viewing the videos from 2016-18District staff was able to assess the condition of gravity pipeline using NASSCO PACP standardized ratings. NASSCO has developed this standardized system in order to provide a consistent assessment of sanitary sewer conditions, as well as to provide the capability of benchmarking wastewater conditions in order to track deterioration over time. Two key concepts in collection system asset management are criticality and condition severity. Critical wastewater can be classified as wastewater where costs associated with the failure are likely to be high. These are generally strategically important wastewater systems where costs of failure are driven by high construction costs associated with repairs, costly traffic delays and impacts Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 24 on property owners and stakeholders. In addition, proximity to waterways, flows, and potential impacts to public health and the environment should also be considered when classifying wastewater as critical. Ratings of condition severity are provided by the PACP process and assist the owner in prioritizing the pipeline to be considered for renovation. The PACP process identifies the major deterioration factors and assigns a grade that is related to the likelihood of failure or collapse. Deterioration factors include surrounding soil condition, position of groundwater table, frequency of wastewater surcharging, above ground traffic loading, methods and materials used in construction, third party damages and defects such as roots, grease and debris causing more frequent cleaning. Deterioration factors are classified into categories of structural defects. PACP defects are assigned a grade of 1 to 5 in order of increasing severity, as described in Table 4-2 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 25 Table 4-2: NASSCO PACP Grades Grade Importance Likelihood of Failure Structural Grade Example 1 Excellent Minor defects Failure unlikely in the foreseeable future 2 Good Defects that have not begun to deteriorate Pipe unlikely to fail for at least 20 years Longitudinal Cracking 3 Fair Moderate defects that will continue to deteriorate Pipe may fail in 10 to 20 years Multiple Fractures 4 Poor Severe defects Pipe will probably fail in 5 to 10 years Broken Pipe 5 Imminent Failure Defect requires immediate action Pipe has failed or will likely fail within the next 5 years Collapsed Pipe Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 26 Using the table above CMSD has repaired 311 Grade 5 pipeline segments from 20172019 at a cost of $515,000. There are approximately 493 Grade 4 line segments. These line segments will be periodically evaluated and planed for rehabilitation in the near future. b. Force Main: Force mains are considered critical pipeline in CMSD’s wastewater system because of the velocity and volume of wastewater flowing through the system. For instance, the Elden Pump Station pumps 3,750 gallons per minute and has an 18” force main pipeline that is approximately 3,290 feet long making this station the largest of CMSD’s assets. CMSD has four miles of force mains. Force mains near waterways such as the Santa Ana Delhi Channel and Santa Isabela Channel, both channels are tributary to Upper Newport Bay, and the Santa Ana River are considered critical assets. Force mains near Orange County Flood Control Channel are also considered critical to CMSD’s wastewater system. 67% of force mains are made of cast iron pipe (CIP) or ductile iron pipe (DIP). 21% of force mains are made of other materials while 12% of force mains are made of polyvinyl chloride (PVC). Because CIP and DIP are susceptible to corrosion CMSD is proactive to replacing force mains before they fail. CMSD staff prioritizes the replacement or rehabilitation of force mains by taking into consideration the pipeline age, flow and proximity to waterways. From 2017 through 2020 the District has replaced and/or rehabilitated the following force mains: South Coast Plaza Construction Cost: 413,000 Victoria Construction Cost: $267,000 Canyon Construction Cost: $793,000 President Construction Cost: $674,000 A long-term action plan for rehabilitating and/or replacing force mains is described in more details in CMSD’s Capital Improvement Program (CIP). The Costa Mesa Sanitary District Wastewater Master Plan is in the process of being updated to reflect subsequent growth and wastewater improvements. Adoption of the Sewer Master Plan is anticipated in 2020. Table 8-1 and 8-2 is a list of short and long term capital improvement projects that focuses on rehabilitating and/or replacing force mains and pump stations, ductile iron pipeline, calcium removal, sewer siphons, and rehabilitating brick manholes. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 27 D. EDUCATION AND TRAINING CMSD provides training on a regular basis to all employees performing operations and maintenance activities on the wastewater system assets. CMSD also requires contractors working on the wastewater system to be appropriately trained. CMSD uses a combination of on-the-job training, conferences, seminars, and other training opportunities to provide technical training for its wastewater collection system staff. Vendors provide training for new equipment. Examples of technical training and training material CMSD’s wastewater collection staff might take advantage of are listed below in Table 4-3. Table 4-3: Education and Training Sponsor Event Timeframe Reference Santa Ana River Basin Section (SARBS) of CWEA Collections and Safety Seminar Annually www.sarbsofcwea.com PDC Seminars Quarterly California Water Environment Association (CWEA) State Conference Annually www.cwea.org Southern Regional Safety Committee Annually Webinars Quarterly Tri-State Conference Annual Conference Annually www.tristateseminar.com Orange County Sanitation District OC WDR Steering Committee Monthly www.ocsd.com In addition to technical training provided by outside resources, CMSD provides in- house technical training to equipment and collection system operations and maintenance. The focus on in-house training is hands-on training at a work site. All employees receive thorough training on the District’s SSMP, their roles and the roles of others. The District conducts table top exercises to reinforce this training. All employees are required to keep relevant portions of the SSMP with them at all appropriate times. The District Engineer is a member of the Orange County WDR General Group that recommends or identifies training opportunities for wastewater professionals. Some additional training opportunities that will be made available to District staff will include, but not limited to: Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 28 • Cleaning procedures, including sewer combination units • Use of the District’s Computerized Maintenance Management System (CMMS) • Emergency response procedures to pump stations • SSO volume estimation • Conduct emergency bypass training at high risk pump stations • Conduct periodic SSO simulation training at District Yard Every CMSD employee in the wastewater maintenance division must obtain CWEA Collection System Maintenance Grade 1 certification within one year of employment. CMSD offers pay incentives, up to 1.5%, for each grade certification obtained. CMSD’s Wastewater Maintenance Superintendent has successfully obtain Grade 4 certification, which is the highest grade for collection system maintenance. Several District Wastewater Maintenance Workers have earned Grade 2 Certification or higher. CMSD documents all training activities using a Training Sign-In Sheet with signatures of attendees along with training agendas. These documents are managed and stored by the Wastewater Maintenance Superintendent. Contractors responsible for being first responders to SSOs receive refresher training annually regarding CMSD’s standard operating procedures for responding to SSOs. This training is documented using a Training Sign-In Sheet with signatures of attendees along with training agendas. All contractors are required to keep relevant portions of the District’s SSMP with them at all appropriate times. In addition, CMSD requires contractors who work on CMSD wastewater projects to be qualified with wastewater collection system experience. Each contractor must provide CMSD with three references to demonstrate they are qualified to perform the work and CMSD performs reference checks to verify contractor qualifications. Also, during the process of selecting contractors for specific project, CMSD requires each contractor to submit a list of three local comparable projects performed using the equipment and techniques specified. These references are checked during the selection process for a specific project. If confined space entry is required contractors must provide evidence their staff are trained and certified to perform this task. E. EQUIPMENT AND REPLACEMENT PARTS INVENTORY For the Sanitary District, keeping critical replacement parts available encompasses stocking spare pumps that can be used as replacements while pumps are serviced or replaced. CMSD attempts to use the same model pumps in as many stations as Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 29 possible to simplify maintenance and replacement. CMSD also attempts to use the identical equipment in each of the pumping stations, including electrical panels, liquid level sensors, back up sensors, valves, by-pass connection, etc. CMSD has in its inventory emergency equipment for pump stations, such as portable and standby generators, pipes, pumps, electrical panels, etc. In addition, the District has composite manhole covers in its inventory for replacing dilapidated manhole covers, and acquired new equipment to improve operations and maintenance All equipment is maintained in accordance with owner’s manual and the maintenance is performed by licensed and experienced contractors. Maintenance records are maintained by the Wastewater Maintenance Superintendent. CMSD has identified pump stations pumps and motors as critical spare parts. CMSD owns spare pumps and motors for all pump stations. In addition, CMSD owns spare level transducers enabling quick replacement when needed. CMSD has designed backup pumps and backup power providing redundancy at each lift station. The Wastewater Maintenance Superintendent is responsible for maintaining and updating the inventory of critical parts and equipment on hand. All parts are stored at CMSD’s Yard and all potential responders have been given appropriate keys and access codes so that such parts may be accessed in an emergency. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 30 V. DESIGN AND PERFORMANCE PROVISIONS A. STANDARDS FOR INSTALLATION, REHABILIATION AND REPAIR CMSD requires all new or rehabilitated sewer installations be tested and inspected pursuant to the provisions of Title 6 of CMSD Operations Code and a permit is required for such connections. The primary design and performance standards the District uses in design and installations of new sewer systems are: • Chapter 6.01 of the District Operations Code • The Costa Mesa Sanitary District Standard Plans and Specifications for the Construction of Sanitary Sewers • Standard Specifications for Public Works Construction ("Green Book"). • American Public Works Association Standard Plans for Public Works Construction The standards listed above outline construction specifications for installing new wastewater systems, pump stations, and other appurtenances, and for rehabilitation and repair of existing wastewater systems. Design criteria include specifications for items such as pipe materials, minimum sizes, minimum cover, strength, minimum slope, trenching and backfill, structure standards, and other related provisions. All new construction, rehabilitation, or repair of the sanitary sewer system adheres to these standards. Additionally, CMSD has standardized its use of equipment in the pumping stations for ease of maintenance and replacement. This includes the pumps, liquid level indicators, electrical components, valves, piping and telemetry. CMSD is implementing no-dig pipeline rehabilitation as one of the methods for replacement. The Sanitary District considers no-dig technology to be the future answer to pipeline rehabilitation as systems reach their life expectancy. Parts of the Sanitary District’s system will be 100 years old in 2050 and although vitrified clay pipe may have a life expectancy far greater than 100 years, CMSD believes no-dig rehabilitation methods will be the standard rehabilitation practice. In FY 16 CMSD adopted the Greenbook (Standard Specifications for Public Works Construction, latest edition) as the authoritative standard for new technology. In addition, CMSD will use additional written specifications of the particular construction method being used. B. STANDARDS FOR INSPECTION AND TESTING OF NEW AND REHABILITATED FACILITIES CMSD’s standard public works contract provides the work is not placed into service and accepted by the Board of Directors until inspection and testing is completed. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 31 Additionally, no dedication will be accepted and no tie into CMSD facilities will be allowed where the District Engineer has not approved the plans and drawings and has not inspected the project during its course of construction (CMSD Operations Code Section 6.01.070). CMSD provides continuous inspection during the construction of sewer facilities and believes that proper installation is the key element to insure proper operation and maximum life expectancy. Inspection and testing of new or rehabilitated facilities ensures that the established standards are being implemented in the field. Acceptance testing for gravity sewers can include low pressure air test or water test to identify leakage, mandrel test to identify deflection of flexible pipe, and television inspection to identify grade variations or other construction defects. CMSD adheres to these standards for inspection and testing of new or rehabilitated facilities that are outlined in the above listed standards. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 32 VI. OVERFLOW EMERGENCY RESPONSE PLAN The Overflow Emergency Response Plan (OERP) is developed as part of the CMSD Sewer System Management Plan. The purpose of the plan is to establish guidelines and measures to protect public health and the environment in case of an accidental overflow. In the case of an overflow, CMSD shall dispatch the appropriate crews to investigate, identify the cause, and provide appropriate action to minimize the effects of the overflow on public health and quality of surface waters. The OERP further specifies the required notification and reporting that is necessary for local and state agencies. Appropriate CMSD personnel will be required to read the OERP and familiarize themselves with the procedures. The OERP should be kept in an easily available location for all utility personnel and public access reference. A. SSO NOTIFICATION PROCEDURES Normal Work Hours The normal working hours for CMSD office staff for answering emergency calls is from 7:30 am to 4:30 pm Monday through Thursday and 7:30 am to 3:30 pm every other Friday. When a report of an SSO is made, the front office staff takes the information from the caller and communicates this information to the Wastewater Maintenance Superintendent or to the person in charge of the Wastewater Maintenance Department when the superintendent is on leave. The Wastewater Maintenance Superintendent or the person in charge will report to the site to assess the situation and take appropriate action. After Hours Outside of regular business hours, CMSD’s general phone number (949) 645-8400 has information on who to call for after-hours emergencies, and the Costa Mesa Police Department Dispatch follows CMSD procedures for SSO’s. Also, the City of Newport Beach Utilities Department and the County of Orange Public Works Department has emergency contact information for CMSD. Because the majority of after-hours emergency calls for gravity sewer SSOs pertain to private small size sewers, the first responder is C&R Drains, a local plumber. C&R Drains is under contract to CMSD to provide first responder service and has the ability to unclog any private sewer backup. They are trained how to read sewer and storm drain atlas maps and their first responder must have maps, CMSD’s Standard Operating Procedures (SOP) reports, tarps, sandbags and SSO warning signs in his/her vehicle at all times. In addition, C&R Drains first responder must bring a high pressure jetter equipment to all after hour calls. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 33 If upon arrival at the SSO C&R Drains finds the backup to be in a CMSD sewer main, C&R Drains will call the CMSD’s on-call personnel who will respond to investigate and take appropriate action. If there is a sewer alarm from one of the sewer pumping stations, all CMSD’s Wastewater Maintenance Department staff, including the District Engineer and General Manager will receive the alarm via cellular phone text and email. All CMSD staff and field crews have preprogrammed cellular phones to facilitate instant communications. In addition, back-up phone numbers or contact information shall be available for all critical personnel and listed in the chart of contact persons. Should cellular phone communications be down during the emergency, CMSD has low band two-way radios for use to communicate between District staff, field crews and the Water Emergency Response Organization of Orange County (WEROC) if need be. B. APPROPRIATE RESPONSE TO ALL OVERFLOWS CMSD policy is to respond to all spills within the CMSD service area – and even provide mutual aid outside CMSD – whether on public or private property and to take all steps possible to prevent the spills from reaching the storm drains, flood control channels, or waters of the State, all in accordance with the waste discharge requirements. Organization of this document details the lines of authority and responsibilities of CMSD personnel during an emergency. Because CMSD provides only wastewater and trash collection services, CMSD has equipment and manpower dedicated solely to wastewater system maintenance, operation, and emergency response. C. REGULATORY NOTIFICATION PROCEDURES If an SSO occurs, it is required that certain regulatory agencies be contacted. The following reporting criteria explain when notifications should be sent and the various forms that are required. Regulatory notification procedures are administered by the District’s Engineer. 1) Oral Notification As a first priority during a Category 1 sewer spill, the General Manager will immediately notify the California Office of Emergency Services (Cal-OES) (not later than two hours after becoming aware of the discharge) by phone that a spill has occurred. The General Manager will then notify Orange County Health Care Agency (OCHCA), Orange County Public Works and the Santa Ana Regional Water Quality Control Board, if necessary. CMSD notifies OCHCA by phone on all private property spills that are not fully recoverable immediately upon discovery. Category 1 sewer spills are spills from CMSD sanitary sewer system of any volume that: Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 34 a. Reach surface water and/or reach a drainage channel tributary to a surface water; or b. Reach a Municipal Separate Storm Water System (MS4) and is not fully captured and returned to the sanitary sewer system or not otherwise captured and disposed of properly. (Any volume of wastewater not recovered from the municipal separate storm water system is considered to have reached surface water unless the storm drain system discharges to a dedicated storm water or ground water infiltration basin (e.g. infiltration, pit, percolation pond).) Notify OES and obtain a notification control number is SSO is greater than or equal to 1,000 gallons. Notify OCHCA as soon as practical for SSO volume is less than 1,000 gallons. Cal-OES (800) 852-7550 (within two hours after being notified of the spill) OCHCA (714) 433-6419 Control 1: (714) 628-7008 After Hours RWCQB (951) 782-4130 Santa Ana Region: (951) 782-4130 OCPW (877) 897-7455 Control 1: (714) 628-7008 After Hours Category 2 spills are discharges of untreated or partially treated wastewater of equal or greater than 1,000 gallons that did not reach surface water, a drainage channel, or a MS4 unless the entire SSO discharged to the storm drain system is fully recovered and disposed of properly. Category 3 spills are all other discharges of sewage that result from a failure in the Agency’s sanitary sewer system. 2) Written Report For Category 1 spills, CMSD will adhere to the following written procedures: • Within 24 hours of notification of a Category 1 spill, CMSD will certify to the appropriate RWQCB, by phone or with a follow up email, that Cal-OES and OCHCA were notified. • Within 3 business days of being notified of the spill event, CMSD will certify the initial report using the CIWQS online SSO Reporting System • Within 15 calendar days of the conclusion of the SSO response and remediation, CMSD will certify the final report using the CIWQS online SSO Reporting System. • CMSD will update CIWQS and re-certify the SSO report as new or changed information becomes available. The updates will be submitted as soon as new information is verified. All updated reports will be certified. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 35 For Category 2 spills, CMSD will adhere to the following written procedures: • Within 3 business days of being notified of the spill event, CMSD will certify the initial report using the CIWQS online SSO Reporting System. • Within 15 calendar days of the conclusion of the SSO response and remediation, CMSD will certify the final report using the CIWQS online SSO Reporting System. • CMSD will update CIWQS and re-certify the SSO report as new or changed information becomes available. The updates will be submitted as soon as new information is verified. All updated reports will be certified. For Category 3 spills, CMSD will adhere to the following written procedures: • Within 30 calendar days after the end of the calendar month in which the SSO occurred, CMSD will submit a certified report using the Online SSO Reporting System. The report will include the information to meet the GWDR requirements. The District’s Engineer is responsible for overseeing the reporting process. The District Engineer receives the spill report from the Wastewater Maintenance Superintendent and drafts up the required report with the consideration given to volume calculations, vacuum and wash down operations, cause of spill, timeliness of response, etc. The reports are located in CMSD’s Standard Operating Procedures for responding to SSOs. After discussions are complete, the report is finalized and submitted to the Wastewater Maintenance Superintendent for review. After the Wastewater Maintenance Superintendent has submitted his comments, the District Engineer transmits the spill report to the appropriate authorities. As required in the Monitoring and Reporting Requirements, CMSD also completes the annual questionnaire by the end of December each year. D. WATER QUALITY SAMPLING The District relies on the Orange County Heath Care Agency (OCHCA) for monitoring water quality and posting beach closures. The District also has procedures for conducting water quality sampling and preparing a SSO Technical Report for any Category 1 SSO in which 50,000 gallons or greater are spill to surface waters. The procedures are described in the District’s Standard Operating Procedures for SSO. E. TRAINING PROCEDURES All Wastewater Maintenance Department personnel, including the District Engineer, Engineering Technician/Construction Inspector, General Manager and C&R Drains, who have a role in responding to, reporting, and/or mitigating a wastewater collection system overflow receive annual training on the contents of this OERP. The training includes emergency operations, such as traffic and crowd control, procedures for volume estimation and SSO start time determinations. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 36 Periodic field drills and exercises are conducted to assure the Wastewater Division personnel practice under actual conditions. CMSD maintains records for all OERP training provided in support of this plan. The records for all scheduled training courses and for each overflow emergency response training include date, time, place, content, name of trainer(s) and names of attendees. Figure 6-1: SSO Response Flow Chart Category 1 SSO Notify CMSD Standby Personnel Wastewater Maintenance Superintendent District Engineer Emergency Regulatory Notifications (Verbal notification from GM within 2 hours CMSD becomes aware) California Office of Emergency Services (Cal-OES) 800-852-7550 Orange County Healthcare Agency (OCHCA) 714-628-7008 Regional Water Quality Control Board (RWQCB) Region 8 951-782-4130 951-781-6288 Fax Orange County Public Works (OCPW) 877-897-7455 SSO Field Documentation (First Responders) Complete Internal Spill Response Field Report Document SSO Volume & Flow Measurement Methodology Photograph SSO Event Water Quality Samples Document Bypass Operations/Containment Efforts Document Construction Activities Clean-up Activities Document Impacted Water Systems Response Staff/Equipment Staff/Hydro Combination Equipment Mobile Equipment (bypass pumps or generator) Containment material Traffic Control/Notify Contractor Mutual Aid Request EOC Activation Mitigation of SSO Contain SSO/Capture Wastewater Return wastewater to collection system Determine contaminated area Clean-up contaminated area Identify impacted water systems Request water quality samples Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 37 eFile SSO Documentation (Create a new SSO folder) File Completed Internal Spill Response Field Report Document SSO Volume & Flow Measurement Methodology File Photograph SSO Event File Water Quality Sample Results Documented Bypass Operations/Containment Efforts Documented Construction Activities Documented Clean-up Activities Documented Impacted Water Systems File Required Technical Report, if required Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 38 F. EMERGENCY RESPONSE OPERATIONS The Wastewater Division personnel adheres to the response procedures described in Chapter 3 of CMSD’s Standard Operating Procedures (SOP) for Sanitary Sewer Overflows. Every wastewater maintenance employee has a copy of the SOP and the document is stored in CMSD’s fleet. In addition, C&R Drains have copies of the SOP in their vehicles and the General Manager and District Engineer have copies as well. The response procedures described in Chapter 3 are as follows: The first responder’s priorities are:  To follow safe work practices.  To respond promptly with the appropriate equipment.  To evaluate the cause of spill and determine responsibility.  To stop the spill and restore the flow as soon as possible.  To contain the spill.  To minimize public access to and/or contact with the spilled sewage.  To promptly notify the General Manager, District Engineer and/or appropriate CMSD personnel in the event of a major SSO.  To return the spilled sewage to the sewer system.  To restore the area to its original condition (or as close as possible). The first responder is responsible for following safety procedures at all times. Special safety precautions must be observed when performing sewer work. Special consideration should be given to following all local traffic, confined space, and safety procedures. All wastewater system calls require a response to the reported location of the event in an attempt to minimize or eliminate an overflow. During normal working hours, staff must respond to the site immediately and initiate response activities. After normal working hours the first responder must respond to the site of the problem and initiate response activities within 60 minutes after initial reporting of the spill to the District. C&R Drains must respond to the scene with their high pressure jetter trailer unit. If the responder cannot be at the spill location within 60 minutes after the spill, then the late response shall be reported per the requirements in Chapter 6 of the SOP. The first responder should determine appropriate response measures based on the circumstances and information provided by the caller (e.g. weather and traffic conditions, small backup vs. sewage flowing on the ground, etc.). If additional help is needed, contact other employees, contractors, agencies and/or equipment Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 39 suppliers. Based on available information, the first responder should determine if a combination sewer cleaning truck and/or a spill response vehicle is needed. Upon arrival at the site, the first responder should:  Note arrival time at spill site (include in Sanitary Sewer Overflow Field Report Form).  Verify the existence of a sewer system spill or backup.  Field verify the address and nearest Cross street, making sure it’s part of the District’s sewer/conveyance system.  Identify and clearly assess the affected area and extent of spill.  Comply with all safety precautions (traffic, confined space, etc.)  Contact caller, if time permits.  Take pictures of the impacted area.  Always notify the District Engineer and/or the General Manager, particularly if: • The spill appears to be large, in surface water or drainage channel tributary to a surface water, or there is doubt regarding the extent, impact, or how to proceed; or • Additional help is needed for line cleaning or repair, containment, recovery, lab analysis, and/or site cleanup. • Make sure persons required to report the spill to other agencies are notified and have all needed information. Upon arrival at the location of a spill into a house or a building, the first responder should evaluate and determine if the spill was caused by a blockage in the lateral or in CMSD’s owned sewer main, caused either by a backup in the sewer main line or nearby O&M activities.  If a blockage is found in a property owner’s lateral, it should be clearly communicated that it is not CMSD’s responsibility to work on a private lateral. Block the spill if wastewater is entering or will enter storm drain system. Inform property owner that he/she has thirty minutes to restore flow or CMSD will use C&R Drains and the property owner will be billed for the services, including staff’s time. Take pictures.  If a backup in the main line is found to have caused the SSO in a house or building, relieve the blockage in the main line. The first responder should attempt to remove the blockage from the system and restore flow to the area. Using the appropriate cleaning tools, the field Crew should set up downstream of the blockage and hydro-clean upstream from a clear Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 40 manhole. The flows should be observed to ensure that the blockage does not recur downstream. If the blockage cannot be cleared within a reasonable time, or system requires construction repairs to restore flow, then initiate containment and/or bypass pumping. If assistance is required, immediately contact other employees, contractors, agencies and equipment suppliers. The first responder to a potential pump station or force main failure should:  Determine whether flow can be restored within a reasonable time.  If it appears that flow cannot be restored within a reasonable time or if the conveyance system facility requires construction and/or repairs, then employ CMSD’s Overflow Emergency Response Plan for pumping stations.  If assistance is required, immediately contact other employees, contractors, agencies and equipment suppliers as required. The first responder should attempt to contain as much of the spilled sewage as possible using the following steps:  Determine the immediate destination of the overflowing sewage.  Plug storm drains using available equipment and materials to contain the spill, whenever appropriate. If spilled sewage has made contact with the storm drainage system, attempt to contain the spilled sewage by plugging downstream storm drainage facilities.  Contain/direct the spilled sewage using dike/dam or sandbags.  Pump around the blockage/pipe failure/pump station or vacuum flow from upstream of the blockage and dispose of downstream of the blockage to prevent further overflow.  Take pictures of the containment area.  When an SSO occurs inside of a house or building, the first responder should provide a copy of the residential sewage contamination flyer in Appendix 3 of the SOP and the property owner should be instructed to follow these guidelines: • Keep all family members and pets away from the affected area. • Place towels, rags, blankets, etc between areas that have been affected and areas that have not been affected. • Do not remove any contaminated items • Turn off the HVAC system • Move any uncontaminated property away from the overflow area. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 41 Barriers shall be installed to prevent the public from having contact with the sewage if possible. Signs should be posted to keep pedestrians away from contact with spilled sewage. Do not remove the signs until directed by the District Engineer. SSO Field Reports are located in the SOP document and consistent with the September 2015 Guide for Development and Updating SSMPs that was developed by a consortium of sewer collection system agencies and environmental professionals throughout the State of California. In addition, CMSD has also developed an Emergency Response Plan for the majority of the sewer pumping stations within the District. The District is currently in the process of completing an Emergency Response Plan for four remaining pump stations. These stations were originally planned for abandonment, but the project was cancelled due to Orange County Sanitation District decision to withdraw from this project due to sharply increasing project costs and because the abandonment project will divert wastewater away from Reclamation Plant #1 in Fountain Valley where wastewater recycling occurs. The Emergency Response Plans contain the procedures to be implemented to prevent an SSO should the pump station become inoperable or a major emergency, such as a downed bridge that contains a force main, occurs. The plans include calculations of the number of pumper trucks required, two different pre-determined driving routes to two disposal points while avoiding potential high traffic or disaster points such as bridges, emergency contact list, etc. A copy is present in all the field vehicles, in the Wastewater Maintenance Superintendent, General Manager and District Engineer’s offices. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 42 VII. FOG CONTROL PROGRAM Studies have shown that FOG is one of the leading causes for SSOs, so it’s important to implement a FOG Control Program because of 730 food service establishments (FSE) within CMSD service area. In recent years CMSD has also put an emphasis on preventing residential FOG from entering the wastewater system. CMSD has retained the firm of EEC Environmental to manage its FOG program at a yearly cost of $110,475. Approximately five staff members from EEC perform functions in the FOG program including engineers, administrators, and inspectors. In addition to EEC, CMSD works with Orange County Sanitation District to coordinate FOG Best Management Practices (BMPs) inspections from the Orange County Health Care Agency (OCHCA). These inspections complement the EEC inspections giving CMSD a two-pronged approach for insuring the FSEs follow the prescribed practices in the FOG notebook developed for each FSE. A. PUBLIC EDUCATION OUTREACH PROGRAM CMSD’s contractor EEC has prepared and distributed a FOG notebook to each FSE inside CMSD service area. The notebook includes log sheets for interceptor cleaning, employee education, BMPs, guidelines, and posters. Additionally, CMSD has made available, on its website, educational materials regarding Fats, Oils and Grease (FOG) and the sewer system. The site contains the following educational materials that can be downloaded by the public: • Fight the FOG - Keep Fats, Oils, & Grease Out of Your Drain brochure (English & Spanish version) • Homeowner’s Guide to Sewer Lateral Maintenance. • FOG Control Program Manual • Kitchen Best Management Practices for FOG • Permit Conditions • FAQs about FOG • Grease Interceptor Diagram The District also issues a quarterly newsletter with information regarding keeping Fats, Oils and Grease (FOG) out of the sewer system. In 2011, the District implemented its residential FOG Recycling Program to coincide with traditional holidays (e.g. Thanksgiving, Passover, Christmas, etc.) where residents will be able to properly dispose their grease. Residents can deliver their jug filled grease to the Orange Coast College (OCC) Recycling Center, which is open to the public seven days a week. A contractor will periodically arrive at OCC to remove the grease and transport it to a recycling facility where it will be recycled for reusable products such as bio-fuel, candles, soap, etc. If the Recycling Center is Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 43 closed during the holiday months (November & December), a temporary drop-off site for cooking grease will be available at District HQ. B. FOG DISPOSAL PLAN The District requires all new commercial construction and existing commercial properties that have been found responsible for previous SSOs to install appropriate grease-reducing devices, including grease interceptors. The interceptors are required to be inspected and pumped out by a licensed company on a regular basis, normally on a quarterly basis. Grease hauling companies serving the Costa Mesa area are shown in Table 7-1 and FOG disposal facilities serving the Costa Mesa area are shown in Table 7-2. The source of this information is http://www.calfog.org/Hauler.html#Orange and http://www.calfog.org/GreaseFacilities.html. Table 7-1: Grease Hauling Companies Serving Orange County COMPANY PHONE NUMBER WEBSITE Ameriguard Maintenance Services 800-347-7876, Ext. 14 N/A Grand Natural, Inc. 855-519-5550 http://www.greasecollection.com Coastal Byproducts 805-845-8086 http://www.coastalbyproducts.com JR Grease Traps and Interceptor Service 323-997-9602 http://www.greaseservices.com New Leaf Biofuel 619-236-8500 http://www.newleafbiofuel.com One More Time, Inc. 800-624-5504 http://onemoretimeinc.com/ SMC Grease Specialist, Inc. 951-788-6042 http://www.smcgrease.com/ Triple A Pumping & Jetting 800-284-2617 http://www.tripleapumping.com Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 44 Table 7-2: Grease Rendering/Drop Off Points for Costa Mesa Area Company Address Phone Number Grease Type Type of Operations Baker Commodities, Inc. 4020 Bandini Blvd Los Angeles, CA (Vernon, CA) 323-269-6177 800-427-0696 Yellow, brown Grease recycler. Drop off location and grease trap cleaning/hauling Darling International 2626 E 25th St Los Angeles, CA 800-447-3273 N/A Drop off location and grease trap cleaning/hauling One More Time 4144 Bandini Blvd Los Angeles, CA (Vernon, CA) 800-624-5504 Yellow Used cooking oil only Orange County Sanitation District, Plant No. 1 10844 Ellis Ave Fountain Valley CA 714-593-7428 Yellow, brown Primary grease drop off point for grease haulers serving CMSD Southwest Processors 4120 Bandini Blvd Los Angeles, CA (Vernon, CA) 800-900-3366 N/A Grease recycler. Drop off location and grease trap cleaning/hauling West Coast Rendering 4120 Bandini Blvd Los Angeles, CA (Vernon, CA) 323-261-4176 N/A Small operation. Typically only accept grease from known hauler (Triple A). No grease trap service. Orange Coast College Recycling Center Adams Ave between Harbor Blvd & Fairview Rd Costa Mesa, CA 714-432-5131 Yellow Used cooking oil from residential households. No commercial grease is accepted. C. LEGAL AUTHORITY TO PROHIBIT DISCHARGES TO THE SYSTEM A permit from CMSD is required to connect to, use or maintain a connection to t CMSD’s facilities (CMSD Operations Code Section 6.04.060 (a)). Any person, firm or corporation that connects or discharges to CMSD’s sewerage system without a valid permit is guilty of a misdemeanor (CMSD Operations Code Section 6.04.060 (f)). Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 45 CMSD also has the right to terminate a property from CMSD's service (District Operations Code Section 6.02.080). Every owner, tenant and persons using property shall have a duty not to cause, permit or allow the accumulation of grease in CMSD's wastewater line so that sewage spills may occur. Such persons shall use reasonable methods to reduce grease accumulation in CMSD's sewer lines including but not limited to reducing or eliminating the grease that is deposited in the sewer and utilizing enzymes and similar products that prevent grease build-up. No person shall discharge grease into the wastewater system so as to cause an accumulation in CMSD's lines so as to substantially contribute to the possibility of a sewage overflow (CMSD Operations Code Section 6.07.040). D. GREASE REMOVAL DEVICE REQUIREMENTS CMSD’s Operation Code requires that no Food Service Establishment (FSE) shall discharge into CMSD’s system without obtaining a permit from CMSD describing the business operations and discharge and any FOG prevention measures being undertaken or to be undertaken to reduce the discharge of FOG into the District’s system in accordance with this chapter (Section 6.07.040). In addition, FSE’s are required to install, operate and maintain approved type and adequate sized grease interceptors (Section 6.07.070). Furthermore, All new commercial construction of FDRs shall have a grease interceptor that has been approved by the District unless the developer demonstrates, to the District’s satisfaction, that such a device is not necessary based on engineering findings which are set forth in writing (Section 6.07.080) and existing FSEs undergoing remodeling or a change in operations, or FSEs that change ownership, shall be required to install a grease interceptor (Section 6.07.090(b)). In addition, the Orange County Sanitation District, which is the sewer treatment agency for all the wastewater generated within the CMSD boundaries, has adopted Ordinance No. OCSD-25 regarding FOG control which requires the installation of interceptors on all food service establishments, including existing establishments, to install appropriate grease-reducing devices, including sewer interceptors. E. INSPECTION OF GREASE PRODUCING FACILITIES CMSD has adopted four grease control ordinances, Ordinance 41, in 2003, Ordinance 51, in 2005, Ordinance 81 in 2010, Ordinance 113 in 2016 codified as Chapter 6.07 of CMSD’s Operations Code, giving CMSD legal authority to implement a comprehensive grease control program. CMSD retained EEC Environmental (EEC) to manage CMSD’s FOG Control Program. EEC performs several types of FSE inspections to ensure FSEs comply with FOG regulations and FOG Control Program requirements. The types of inspections performed by EEC are identified below. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 46 Permitting Inspections EEC physically inspects and educates FSEs within CMSD that are new to the FOG Program. These FSEs include new FSEs and existing FSEs that have a change in ownership or name change requiring re- permitting. For those FSE that have been identified in the vicinity of hot spots or identified as FOG sources, EEC meets and discusses, with the FSE management, the enforcement options that are available to CMSD and the steps that the FSE can take to avoid additional enforcement. Grease Removal Equipment (GRE) Inspections EEC physically conducts GRE inspections for FSEs with a grease interceptor or grease trap to evaluate compliance with the FSEs grease removal equipment requirements. Kitchen Best Management Practice (BMP) Inspections EEC conducts kitchen BMP inspections for FSEs without GREs and evaluates compliance with the FSEs BMP requirements. Combined Kitchen BMP and GRE Inspections EEC conducts combined kitchen BMP and GRE inspections for FSEs Compliance Inspections EEC conducts compliance inspections where it is determined by CMSD that a follow-up inspection is required for a non-compliance issue that has been identified in previous BMP, GRE or FOG source wastewater pipe inspections. This may include the issuance of written warnings or notice of violations (NOVs) to FSEs that are found to be in non - compliance of the FOG control ordinance or permit. CCTV Source Inspections EEC assesses hot spots to identify FSEs that are discharging FOG in CMSD’s wastewater collection system. Enforcement Inspections These inspections are conducted when elevated enforcement of the permit requirements are required or when the revocation of the FSEs grease interceptor installation Conditional Waiver, Waiver or Variance is required. Due to the serious nature of these inspections, EEC attempts to meet with the FSE manager or property owner to discuss the enforcement and the FSE's plans to achieve compliance. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 47 F. FOG PROGRAM STAFFING FOG Control Program staffing consists of a combination of CMSD staff and contractor staff. EEC provides one full time equivalent (1 FTE) staff person dedicated to CMSD’s FOG Control Program. EEC staff person is responsible for the following activities: • FOG Control Management, including database and GIS management. • FSE inspections • FSE compliance follow-up • FOG Control Program enforcement • FOG Control Program education, outreach and customer support • CCTV coordination and source inspection In addition to EEC staff, the District Engineer provides staffing (0.25 FTE) for CMSD’s FOG Control Program. The District Engineer is responsible for the following activities: • Grease removal device plan review and processing • FOG Control Program variance and waiver evaluation and processing. G. CLEANING SCHEDULE FOR SEWER SYSTEM SECTIONS SUBJECT TO FOG BLOCKAGES CMSD has identified a number of problem areas that are more prone to blockages and SSOs. These areas are typically inverted sewer siphons and areas with excess grease build-up. These enhanced cleaning areas, or ‘hot spots’, are shown on the GIS map prepared by EEC. In addition, CMSD employs preventive maintenance as a means to address areas prone to FOG accumulation in the system. CMSD has identified areas in the wastewater system with FOG issues through a combination of maintenance crew knowledge, past grease related SSOs, CCTV data and the collaboration of EEC and District personnel. CMSD addresses these locations through a combination of FOG source control, wastewater cleaning, and CCTV. CMSD will continue to adjust the wastewater cleaning frequency of pipes to address the FOG issue while optimizing the amount of wastewater cleaning performed. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 48 H. SOURCE CONTROL MEASURES FOR ‘ENHANCED MAINTENANCE AREAS’ CMSD and Orange County Sanitation District, which is the sewer treatment agency for all the sewage generated within the CMSD boundaries, have adopted ordinances requiring installation of appropriate grease-reducing devices, including sewer interceptors, on all new commercial developments and existing food service establishments. Furthermore, CMSD has adopted an ordinance allowing CMSD to require the installation of appropriate grease-reducing devices, including sewer interceptors, on existing properties that are found to be causing or potentially causing SSOs. Additional source control measures for the ‘Enhanced Maintenance Areas’ identified by CMSD consist of a public education and awareness program that includes distribution of the CMSD’s pamphlets for restaurant and homeowner grease control, FOG video on the CMSD’s website and a newsletter. CMSD has also distributed its grease control notebooks to all 730 food service establishments inside CMSD. The notebook contains a poster, BMP list, and other information relative to CMSD’s grease control program. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 49 VIII. SYSTEM EVALUATION AND CAPACITY ASSURANCE PLAN The District has a Sewer Master Plan that assesses the capacity of the sewer system. The main purpose of a Master Plan is to compare the projected peak flow from the land uses adopted in the General Land Use Plan with the carrying capacity of the sewer lines. The Sewer Master Plan was updated in 2020. A. EVALUATION CMSD’s Sewer Master Plan incorporates a hydraulic model analysis of the wastewater mains in the system. The peak flow estimates are estimated using flow coefficients developed by CMSD based on land usage. The flow coefficients used by CMSD have been compared to the coefficients used by Orange County Sanitation District and found to be reasonable. Special cases, such as high-rise office buildings, hotels and high volume industrial uses are evaluated separately using a peak flow estimate for the individual parcels. The capacity of each line is determined and those lines unable to handle future master planned flows are identified. The current system capacity is able to handle, without surcharge, the current dry weather flow, which has decreased from 10.1 to 8.9 mgd (million gallons per day) and wet weather peak sewer flows. B. DESIGN CRITERIA CMSD has adopted the industry standard of designing new sewer lines up to 18 inches in diameter to be flowing no more than half full at peak wet weather flow. Lines 21 inches or larger are designed to be flowing no more than three quarters full at peak wet weather flow. However, when analysis of existing conditions are completed for the purposes of determining when additional capacity is required, flows above these limits, but less than completely full are accepted. At no time is wastewater allowed to flow in a surcharged or pressurized condition. C. CAPACITY ENHANCEMENT MEASURES CMSD’s Sewer Master Plan includes the short and long term CIP to address identified hydraulic deficiencies. Funding for the Capital Improvement Plan is from fees collected from new construction and from wastewater rates that are assessed on property tax rolls. CMSD is also active in reducing Inflow and Infiltration (I/I). CMSD has ruled out Infiltration as a source of water in the system after televising the entire system from 2016 through 2018.. CMSD has identified Inflow as a source of water and has plugged and sealed manhole covers in identified flood zones, low lying areas and particularly manhole covers located in gutters and alley flow lines. In addition, the District found two illegal connections from the Orange County Fairgrounds that was contributing inflow into the Mendoza Tributary Area. The two illegal Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 50 connections were plugged to prevent further inflow. In 2020, the District smoke tesedt the entire Fairgrounds property to determine if more illegal connections exist and need of plugging. D. CIP SCHEDULE CMSD’s Sewer Master Plan was updated in 2020. CMSD had identified short and long term needs for renewal and replacement of existing infrastructure. The prioritization of these projects is based on the following criteria:  Age or life expectancy  Flow capacity and/or flow rate  Proximity to waterways  Risk to public health and the environment Table 8-1 identifies CMSD’s short term CIP Schedule while Table 8-2 is CMSD’s long term CIP Schedule. CIP projects are funded from CMSD’s Asset Management Fund. The purpose of the Asset Management Fund is to accumulate reserves for capital improvements. This fund has a reserve requirement of $5,000,000. Annual Reserve Contributions are made with transfers from the Wastewater Fund estimated by the Asset Management Program. Transfers back to the Wastewater Fund are in accordance with CMSD’s capital budget plan and provide funding for capital projects. Both schedules below may be modified after the completion of the hydraulic modeling analysis. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 51 Table 8-1: CMSD Short Term CIP Schedule The following projects are approved in CMSD’s 2020-21 CIP Budget Name Description Total Project Cost Funding Source Estimated Completion Brick Manhole Rehabilitation Phase 2 In 1953 when the first District manholes were installed, contractors had an option to construct brick manholes or pre-cast manholes similar to today’s pre-cast manholes, unfortunately, no steel mesh or rebar was installed in the brick manholes. Un-reinforced brick structures are very susceptible to damage during seismic events so the District will structurally reinforce brick manholes by using a one piece cured-in-place-pipe (CIPP) liner similar to the CIPP liners used in gravity sewer mains. $117,000 Capital Improvement Adopted Budget 2021 President Pump Station Rehabilitation The pump station was constructed in 1953 and has never been remodeled due to the proposed west side abandonment project. The West Side Pump Station Abandonment Project was cancelled in 2016, therefore, the Costa Mesa Sanitary District will continue to own and operate President Pump Station. The proposed project will reconstruct the pump station to current District standards. $1,600,000 Capital Improvement Adopted Budget 2021 19th Street Pump Station Force Main Replacement The force main is 818 linear feet of 4- inch asbestos cement pipe constructed in 1971 and is one of the three remaining force mains that will complete this cycle of the force main rehabilitation program. The maintenance crew has periodic trouble with the force main, so the project is timely. The force main is asbestos cement pipe (ACP), so lawful guidelines for working with asbestos are mandatory. $490,000 Capital Improvement Adopted Budget 2021 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 52 Ductile Iron Pipe Rehabilitation In yesteryear, engineers believed the use of ductile iron pipe (DIP) was the answer to protect shallow sewers because of the inherent strength in the pipe walls. However, air in the line reacts with the dissolved sulfides in wastewater causing the formation of sulfuric acid and iron subjected to air causes corrosion, thereby degrading the inside walls of ductile iron pipe. Additionally, acidic soils corrode the exterior of DIP. The rehabilitation method consists of chain flailing the interior then installing a liner. $750,000 Capital Improvement Adopted Budget 2021 Iowa Force Main Replacement The Iowa force main is 220 feet long and made of asbestos cement pipe (ACP). The pipeline is 44 years old and ACP is brittle and vulnerable to seismic activity. The force main will be replaced with PVC. Asbestos protection and removal regulations will apply to this project. $270,000 Capital Improvement Adopted Budget 2021 Calcium Removal Phase 1 The District is fortunate not to have sustained any calcium-caused sanitary sewer overflows (SSOs) from calcium build-up in the sewer mains. Calcium buildup is an emerging concern across the United States and there are limited tools available for calcium removal and the tools and removal techniques are expensive. Most of the District’s calcium buildup occurs in the Santa Rosa Avenue – San Marino Circle area in north Costa Mesa where high groundwater laden with minerals causes calcium in the mains. $450,000 Capital Improvement Adopted Budget 2021 Aviemore Force Main Replacement Aviemore Pump Station and Force Main serve the smallest tributary area of a CMSD pump station, only 26 residences. Nevertheless, the force main is 130 linear feet of 4-inch cast iron pipe built in 1959 and has reached its life expectancy. $230,000 Capital Improvement Adopted Budget 2021 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 53 Westbluff Pump Station Rehabilitation The Westbluff force main was replaced and realigned in 2006 by a private residential land developer so the force main is relatively young. The proposed work is normal replacement of pumps, valves, and piping that have reached their life expectancy. $175,000 Capital Improvement Adopted Budget 2021 Table 8-2: CMSD Long Term CIP Schedule Name Description Total Project Cost Funding Source Estimated Completion Gisler Force Main Upgrades Gisler Force Main is 1,160 feet in length and made of cast iron pipe. The pipe is 55 years old, but the gallon per minute is 250 making this station one of the lowest flowing stations in the system $520,000 Asset Management Fund 2021-22 Sewer Siphon Upgrade After evaluating the condition of ten sewer siphons it was determined that two of the siphons need repair. $600,000 Asset Management Fund 2021-22 Brick Manhole Rehabilitation Phase 3 In 1953 when the first District manholes were installed, contractors had an option to construct brick manholes or pre-cast manholes similar to today’s pre-cast manholes, unfortunately, no steel mesh or rebar was installed in the brick manholes. Un-reinforced brick structures are very susceptible to damage during seismic events so the District will structurally reinforce brick manholes by using a one piece cured-in-place-pipe (CIPP) liner similar to the CIPP liners used in gravity sewer mains. $120,000 Asset Management Fund 2021-22 Elden Force Main Upgrades Elden Force Main is the largest force main in the system. It is 3,290 feet long and the pipeline is 18” in diameter. It is only 25 years old, but due to the flow (3,750 GPM) and close proximity to the Delhi Channel and $500,000 Asset Management Fund 2022-23 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 54 Upper Newport Bay, an analysis of the pipeline will be conducted to determine condition and replacement, if necessary Wastewater Pipeline Rehabilitation Evaluate condition of Grade 4 pipeline segments and rehabilitate if necessary. $500,000 Asset Management Fund 2022-23 Brick Manhole Rehabilitation Phase 5 In 1953 when the first District manholes were installed, contractors had an option to construct brick manholes or pre-cast manholes similar to today’s pre-cast manholes, unfortunately, no steel mesh or rebar was installed in the brick manholes. Un-reinforced brick structures are very susceptible to damage during seismic events so the District will structurally reinforce brick manholes by using a one piece cured-in-place-pipe (CIPP) liner similar to the CIPP liners used in gravity sewer mains. $120,000 Asset Management Fund 2022-23 21st Street Force Main Upgrades 21st Street force main is 430 feet long and made of ductile iron pipe. It is 24 years old and has a flow rate of 825 GPM $200,000 Asset Management Fund 2023-24 Calcium Removal Phase 2 The District is fortunate not to have sustained any calcium-caused sanitary sewer overflows (SSOs) from calcium build-up in the sewer mains. Calcium buildup is an emerging concern across the United States and there are limited tools available for calcium removal and the tools and removal techniques are expensive. Most of the District’s calcium buildup occurs in the Santa Rosa Avenue – San Marino Circle area in north Costa Mesa where high groundwater laden with minerals causes calcium in the mains. $400,000 Asset Management Fund 2023-24 Brick Manhole Rehabilitation Phase 5 In 1953 when the first District manholes were installed, contractors had an option to construct brick $120,000 Asset Management Fund 2023-24 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 55 manholes or pre-cast manholes similar to today’s pre-cast manholes, unfortunately, no steel mesh or rebar was installed in the brick manholes. Un-reinforced brick structures are very susceptible to damage during seismic events so the District will structurally reinforce brick manholes by using a one piece cured-in-place-pipe (CIPP) liner similar to the CIPP liners used in gravity sewer mains. California Force Main and Pump Station Rehabilitation By 2024, the California Force Main will be 55 years old, but it’s only 55 feet in length and the cast iron pipe diameter is 6 inches. It’s one of the smallest force mains in the system that that collects 269 gallons of wastewater per minute. The pump station will be 26 years old in 2025. $500,000 Asset Management Fund 2023-24 Sea Bluff Force Main and Pump Station Rehabilitation By 2025, the Sea Bluff Force Main and Pump Station will be 47 years old, but the force main pipe consist of four inch PVC and pumps 110 gallons of wastewater per minute. $400,000 Asset Management Fund 2024-25 Brick Manhole Rehabilitation Phase 6 In 1953 when the first District manholes were installed, contractors had an option to construct brick manholes or pre-cast manholes similar to today’s pre-cast manholes, unfortunately, no steel mesh or rebar was installed in the brick manholes. Un-reinforced brick structures are very susceptible to damage during seismic events so the District will structurally reinforce brick manholes by using a one piece cured-in-place-pipe (CIPP) liner similar to the CIPP liners used in gravity sewer mains. $120,000 Asset Management Fund 2024-25 System Wide Sewer Assessment It good industry practice to assess the condition of an entire wastewater system every ten years. 2026 will be ten years since the District performed its last assessment. $350,000 Asset Management Fund 2025-26 Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 56 IX. MONITORING, MEASUREMENT, AND PROGRAM MODIFICATIONS CMSD will evaluate the performance of its wastewater system at least annually using the performance measures identified in the Performance Measurement Program that was adopted by CMSD in 2018. CMSD updates the data and analysis of performance measures on a quarterly basis.. The data from the performance measures is reported to the Board of Directors on a quarterly basis and maintained on the District’s website. The following are the measures being monitored. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 57 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up = trend better;  down = trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Number of Sanitary Sewer Overflows (SSOs) per 100 miles of Sewer is below Region 8 2018: ≤ 0.65 2019: ≤ 0.87 2020: ≤ 0.53 1.34 3.57 1.79  Current Goal is from Region 8 (Santa Ana) of the California Integrated Water Quality System (CIWQS) database, which is a computer system used by the State Water Control Board to track SSOs in California. The District had 4 SSOs in 2020. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 58 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up = trend better;  down = trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Number of Sanitary Sewer Overflows (SSOs) per 100 miles of Sewer is below the number of SSO’s per 100 miles statewide for sewer collection systems similar in size. 2018: ≤ 5.06 2019: ≤ 5.06 2020: ≤ 3.80 1.34 3.57 1.79  Current Goal is from Region 8 (Santa Ana) of the California Integrated Water Quality System (CIWQS) database, which is a computer system used by the State Water Control Board to track SSOs in California. The District had 4 SSOs in 2020. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 59 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Percent of sewage gallons spilled reached surface water is below percent of sewage gallons spilled reached surface water in Region 8. 2018: ≤ 58% 2019: ≤ 70% 2020: ≤ 51% 27% 67% 3%  Goal is from Region 8 (Santa Ana) of the California Integrated Water Quality System (CIWQS) database, which is a computer system used by the State Water Control Board to track SSOs in California. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 60 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Percent of sewage gallons spilled reached surface water is below percent of sewage gallons spilled reached surface water statewide. 2018: ≤ 86% 2019: ≤ 80% 2020: ≤ 80% 27% 67% 3%  Goal is from Region 8 (Santa Ana) of the California Integrated Water Quality System (CIWQS) database, which is a computer system used by the State Water Control Board to track SSOs in California. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 61 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Rain ingress entering wastewater system ≤ 2% 1/9: 1.29% 1/12: 3.75% 3/13: 2.6%  Inflow of rain water entering wastewater systems can cause SSOs. Orange County Sanitation District (OCSD) encourages rain ingress of less than 2%. From Dec 13, 2019 – March 24, 2020, the District conducted a Wet Weather Sewer Flow Study at the Mendoza Pump Station Tributary area. Staff dye tested five manholes on OC Fairground property and determine two illegal connections. Fairground officials plugged two basins with concrete. 12/7: 3.8% 2/15: 2.59% 12/28: 1.4%  Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 62 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Enhanced Maintenance Areas ≤ 30 21 18 18  Enhanced maintenance areas (Hot Spots) require higher frequency of cleaning (e.g. 2 to 3X per year). Reducing the number of hot spots allow CMSD to reallocate more staff hours dedicated to cleaning the entire system within 18 months. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 63 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Efficiency: Performing to the best of our abilities with the least amount of lost time and effort Being efficient demonstrates how well CMSD is using its resources. It proves functions are completed in a timely manner and there is less bureaucracy within the organization. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Average time to clean one Enhanced Maintenance Area (EMA) 120 Minutes or 2 Hours 1 Hour 57 Minutes 57 Minutes  One crew designated to clean EMA. CMSD has 18 hotspots. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 64 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Efficiency: Performing to the best of our abilities with the least amount of lost time and effort Being efficient demonstrates how well CMSD is using its resources. It proves functions are completed in a timely manner and there is less bureaucracy within the organization. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Percentage of entire wastewater system cleaned annually 67% 60% 57.6% 88%  CMSD goal is to clean the entire system within 18 months. The entire system has 1,184,813 feet of pipeline (224 miles). This measurement is on target to achieve its goal. The use of private contractors to assist with cleaning helped achieved this goal. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 65 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Efficiency: Performing to the best of our abilities with the least amount of lost time and effort Being efficient demonstrates how well CMSD is using its resources. It proves functions are completed in a timely manner and there is less bureaucracy within the organization. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Average footage of daily pipeline cleaned. 3,602 3,479 3,102 4,722  Cleaning 220 days in a year. Days excluded from cleaning include weekends, holidays, vacation, sick leave and training. The use of private contractors to assist with cleaning helped achieved this goal. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 66 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Recruit and retain a highly engaged and effective workforce A high performing and engaged workforce will achieve desired results and move the organization forward to achieving its mission. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Number of annual hours of staff training completed 140 NA NA NA  Data will be collected in 2021. Number of hours is the total hours completed by all wastewater staff. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 67 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Efficiency: Performing to the best of our abilities with the lease amount of lost time and effort Being efficient demonstrates how well CMSD is using its resources. It proves functions are completed in a timely manner and there is less bureaucracy within the organization. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Average response time to SSOs 1 Hour 17 Minutes 1 Hour 41 Minutes 25 Minutes  The average time it took to respond to an SSO in 2020 was 25 minutes. SSOs in 2018 and 2020 occurred during regular business hours. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 68 White: No outcome; Green: Outcome fully met the goal; Yellow: Outcome missed the goal, but close OR making progress to achieving the goal; Red: Clearly missed the goal OR a very bad trend;  up= trend better;  down= trend worse; ≤ is “less than or equal”; means “greater or equal” ATTRIBUTE WHY IMPORTANT? Efficiency: Performing to the best of our abilities with the least amount of lost time and effort Being efficient demonstrates how well CMSD is using its resources. It proves functions are completed in a timely manner and there is less bureaucracy within the organization. Performance Measures Current Goal Outcome Trend Comments or Analysis CY 2018 CY 2019 CY 2020 Percentage of wastewater pump stations that received their annual preventive maintenance (PM) 100% 100% 75% 100%  There are 20 wastewater pump stations. Annual PMs prevents SSOs. PM includes checking cord connections, circuit breakers, fuses, amps, volts, wet well coating, changing oil and coolant, clean and exercise all valves, observe pump in use and record pump down times. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 69 CMSD staff will seek approval from the CMSD Board of Directors for any significant changes to the SSMP. The authority for approval of minor changes such as employee names, contact information, or minor procedural changes is delegated to the General Manager. Copies of the current SSMP document will be available to all interested parties on CMSD’s website. Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 70 X. SSMP PROGRAM AUDITS CMSD will audit its SSMP every two years. Table 10-1 below show when previous audits were performed as well as a schedule for future SSMP audits. The SSMP audit will determine whether the SSMP meets the current requirements of the WDR, whether the SSMP reflects CMSD’s current practices, and whether CMSD is following the SSMP. The audit will be conducted by an outside independent consulting firm that has experience performing SSMP audits. The results of the audit will be presented to the Board of Directors during an open public meeting. Table 10-1: Past SSMP Audits and Future Scheduled Audits SSMP Audit Schedule Name of Auditor Status May, 2011 EEC Environmental Completed May 2013 EEC Environmental Completed September 2015 Willdan Engineering Completed February 2018 EEC Environmental Completed November 2020 EEC Environmental Completed February 2022 N/A Future Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 71 XI. COMMUNICATIONS PROGRAM CMSD has developed the following Communications Program to ensure the public is aware on the development, implementation and performance of the SSMP. The Program provides the public the opportunity to comment on the SSMP and the implementation of the Plan. • CMSD produces a quarterly newsletter that is mailed to over 23,000 households. CMSD will highlight the SSMP in the newsletter and encourage public comments about the Plan. CMSD’s newsletter is written in both English and Spanish. • Significant amendments of the SSMP are presented to CMSD’s Citizens Advisory Committee (CAC) for review and comments. CAC meetings are open to the public giving members of the public an opportunity to review and comment on the SSMP. • Significant amendments of the SSMP are presented to the Board of Directors at a study session and/or special meetings, which are open to the public. The Board of At a regular Board of Directors meeting, Directors will approve and recertify the SSMP after significant amendments have been made. Regular Board of Directors meetings are open to the public. • SSMP audit results will be presented to the Board of Directors during one of their standard regular meetings where a presentation of the SSMP performance will be made available to the public. • The SSMP document is available on CMSD’s website for the public to review and comment. • Sewer overflow performance information is available to the public on the State Water Resources Control Board (SWRCB) California Integrated Water Quality System (CIWQS). Go to: https://ciwqs.waterboards.ca.gov/ciwqs/readOnly/PublicReportSSOServlet?rep ortAction=criteria&reportId=sso_main. Type in “Costa Mesa Sanitary District” in the “Enter a sanitary sewer agency name” field. Click on “Generate Report” button. [Emergency Contractors Next Page] Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 72 EMERGENCY CONTRACTORS Atlas Underground (909) 622-7738 Office 1295 S. East End Ave. (909) 622-7174 Fax Pomona, CA 91766 (909) 628-4485 Home Contact: Hector Loya (909) 876-6909 Pager ESSCO Pumps & Controls (323) 261-2181 Office 4935 Telegraph Road (323) 261-1523 Fax Los Angeles, CA 90022 Contact: John Ivins (562) 412-9091 Cell Jamison Engineering (714) 620-5048 24-HR 17197 Newhope St. Ste. J (714) 434-9196 Office Fountain Valley, Ca 92708 (714) 434-3762 Fax Contact: Don Jamison Jimni Systems, Inc 11161 Jeffery Road (949) 770-7654 Office Irvine, CA 92602 Contact: Jim Pleasant Kennedy Pipeline (949) 380-8363 Office 61 Argonaut (949) 380-0172 Fax Aliso Viejo, CA 92656-1423 Contact: John Shoffeitt (949) 770-1241 Home Manhole Adjusting 9500 Beverly, Rd (323) 558-8000 Office Pico Riviera, CA 90660-2135 (323) 558-8045 Fax Contact: Abe Gonzalez Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 73 Leo (949) 718-6625 Cell National Plant Services, Inc. 1461 Harbor Ave. (800) 445-3614 Office Long Beach, CA 90813-2741 (562) 495-1528 Fax Contact: Dennis Keene Schuler Engineering Corporation 564 West Bateman Circle (951) 738-9215 Office Corona, Ca 92880-2011 (951) 738-0162 Fax Contact: Bruce Schuler (951) 277-2627 Home Mike Kilbride, Ltd. P.O. Box 3341 (949) 548-0106 Home Newport Beach, CA 92659-8341 (949) 548-1616 Fax Contact: Dennis Ruiz (714) 240-0741 Cell GCI Construction 245 Fischer Avenue Costa Mesa, CA 92626 Contact: Terry Gillespie (714) 721-8661 Cell Plumbers C&R Drains (714) 641-1545 24-HR 1525 W. MacArthur, #11 (714) 641-3189 Fax Costa Mesa, CA 92626 Contact: John Melrose (714) 875-7800 Cell Kim Melrose (714) 915-2403 Cell Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 74 Pumper Trucks Darling International/Minuteman 2624 S. Hickory Street (800) 628-7867 Santa Ana, CA 92707 Contact: Dispatch United Pumping Service 14016 E. Valley Blvd. (626) 961-9326 Office City of Industry, CA 91746 (626) 931-3166 Fax Contact: Dispatch Orange County Pumping Inc. 630 S. Hathaway (714) 953-6700 Office Santa Ana, CA 92705 (714) 541-8421 Fax Contact: Margaret or Sandy (714) 410-4845 Pager Services Available: • 1500 & 3000 gal mild steel tank vacuum truck for sewage • 5000 gal mild steel tank vacuum truck for sewage Ocean Blue Environmental Services, Inc. 925 West Esther Street Long Beach, CA 90813 (800) 990-9930 24 hours Contact: Ed Acosta (562) 755-4698 Rain for Rent 6400 Fischer Road (909) 653-2171 Office Riverside, CA 92507 (909) 656-1926 Fax • By-pass pumping equipment and materials Contact: Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 75 Wayne Trawinski (909) 772-1065 Cell / Pager Video Inspections Pro Pipe (714) 666-0436 Anaheim Office 1181 N. Kramer Place (800) 386-1497 Arizona Office Anaheim, CA 92806 (714) 632-7924 Fax Contact: Mike Hollis Services Available: • Combo Trucks, Hydro flushers, Rodders, Balling, Bucketing Machines • Video Inspection National Plant Services, Inc. 1461 Harbor Avenue (800) 445-3614 Office Long Beach, CA 90813-2741 (562) 495-1528 Fax Contact: Dennis Keene (714) 772-6250 Home Services Available: • Combination Sewer Cleaning Truck with 2-man Crew • Industrial Vacuum truck with 2-man Crew for grit and debris removal 3000 gal. mild steel tank vacuum truck for sewage Southern California Edison Company (800) 655-4555 24-Hr Operating Department (714) 895-0226 Office (714) 895-0230 Fax Planning Department (714) 895-0244 Office (714) 934-0892 Fax Traffic Control Traffic Control Services 1881 Betmor Lane (714) 937-0422 Office Anaheim, CA 92805 (714) 937-1070 Fax Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 76 Contact: Craig Terry (800) 222-8274 24-HR Traffic control equipment and services Coastal Traffic Systems 1261 Logan Avenue (866) 641-3744 24-HR Costa Mesa, Ca 92626 (714) 641-3738 Fax Contact: Duty Person California Barricade 1550 E. Saint Gertrude Pl. (800) 327-8844 24-HR Santa Ana, Ca 92705 (714) 558-3821 Fax Contact: Duty Person OCSD (714) 962-2411 24-HR Emergency Generator Suppliers US Rental (714) 842-7765 24-HR 16300 Gothard St. (714) 843-2029 Fax Huntington Beach, CA 92647 Towable Generator 60 KVW Generator, $140.00/day Charles King Company 2841 Gardenia Ave. (562) 426-2974 Office Signal Hill, CA 920755 (562) 426-9714 Fax Contact: Butch King (310) 505-5655 Cell Steve (310) 505-7524 Cell Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 77 Contractor Equipment Anaheim (714) 535-7731 Office (714) 535-1239 Fax Riverside (951) 682-6823 Office (951) 682-3225 Fax (951) 416-7674 Pager Generators - 3 phase 30 KVW to 360 KVW/240 to 440 Volts 5 to 6 in stock; Bypass water pumps in stock Portable Toilets Andy Gump 533 W. Collins (800) 540-1700 Office Orange, CA 926867 (714) 538-1246 Fax Contact: Bill Wedgeworth A - Throne Co. 1850 E. 33rd St. (800) 446-4669 Office Long Beach, CA (562) 981-1197 Office (562) 426-9896 Fax Household Hazardous Ocean Blue Environmental Services 925 W. Esther St. (800) 990-9930 Office Long Beach, CA 90813 (562) 624-4127 Fax Contact: On Duty Manager United Pumping Service 14016 E. Valley Blvd. (626) 961-9326 Office City of Industry, CA 91746 (626) 961-3166 Fax Contact: Dispatch Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 78 Costa Mesa Sanitary District Sewer System Management Plan Change Log Date SSMP Element/ Section Description of Change/Revision Made Change Authorized by: Costa Mesa Sanitary District Sewer System Management Plan (SSMP) January 25, 2021 79 C-1 Apppendix: C: Pump Station Service Area Maps D-1 Apppendix: D: Pump Station Flow Calculations Pump Station Flow Analysis for Costa Mesa Sanitary District PS Name Pump Station/ Location Description Service Area ID Pipe ID Land Use Areas (acres)LDR MDR PI Land Use Flow Contribution (MGD) Modeled Average Flow (MGD) Modeled Peak Flow (MGD) Total Inflow (MGD) Modeled Total Flow (MGD) Modeled Total Flow (GPM) Pump Station Capacity (GPM) 1 200 137692 GC: 0 HDR: 2 LI: 0 GC: 0.0 HDR: 0.01 LI: 0.0 0.010 0.026 0.002 0.028 19.2 1 201 137693 F: 14 GC: 1 HDR: 16 LDR: 133 LI: 0 MDR: 7 NC: 1 PI: 67 F: 0.0 GC: 0.01 HDR: 0.07 LDR: 0.21 LI: 0.0 MDR: 0.02 NC: 0.0 PI: 0.01 0.322 0.648 0.242 0.891 618.4 Total PS1 -0.331 0.674 0.244 0.918 637.6 960 2 202 149523 G: 0 LDR: 8 G: 0.0 LDR: 0.01 0.013 0.034 0.010 0.044 30.8 2 203 137040 G: 0 HDR: 0 LDR: 42 PI: 0 G: 0.0 HDR: 0.0 LDR: 0.06 PI: 0.0 0.066 0.150 0.048 0.198 137.5 Total PS2 0.079 0.184 0.058 0.242 168.3 250 3 204 138303 G: 0 LDR: 76 PI: 0 G: 0.0 LDR: 0.12 PI: 0.0 0.117 0.256 0.084 0.340 236.3 3 237 138301 G: 2 LDR: 56 PI: 19 G: 0.0 LDR: 0.09 PI: 0.0 0.091 0.202 0.081 0.284 197.1 Total PS3 0.208 0.458 0.166 0.624 433.5 500 Total PS4 205 139808 G: 1 GC: 6 HDR: 9 LDR: 36 LI: 34 MDR: 54 NC: 3 PI: 9 G: 0.0 GC: 0.03 HDR: 0.04 LDR: 0.06 LI: 0.12 MDR: 0.14 NC: 0.02 PI: 0.0 0.403 0.798 0.154 0.952 661.3 1700 Total PS4 (Inc PS5)0.844 1.758 0.526 2.285 1586.5 2500 Mendoza Gisler Adams Harbor --------------- --------------- --------------- --------------- Pump Station Flow Analysis for Costa Mesa Sanitary District PS Name Pump Station/ Location Description Service Area ID Pipe ID Land Use Areas (acres)LDR MDR PI Land Use Flow Contribution (MGD) Modeled Average Flow (MGD) Modeled Peak Flow (MGD) Total Inflow (MGD) Modeled Total Flow (MGD) Modeled Total Flow (GPM) Pump Station Capacity (GPM) 5 206 135209 HDR: 2 LDR: 53 MDR: 13 PI: 0 HDR: 0.01 LDR: 0.08 MDR: 0.03 PI: 0.0 0.125 0.272 0.078 0.350 243.2 5 207 138747 MDR: 41 NC: 0 PI: 0 MDR: 0.1 NC: 0.0 PI: 0.0 0.104 0.229 0.071 0.300 208.0 5 208 135208 G: 0 MDR: 4 PI: 170 G: 0.0 MDR: 0.01 PI: 0.03 0.043 0.102 0.146 0.249 172.9 5 209 138754 HDR: 2 LDR: 12 LI: 2 MDR: 45 NC: 3 PI: 14 HDR: 0.01 LDR: 0.02 LI: 0.01 MDR: 0.11 NC: 0.02 PI: 0.0 0.168 0.357 0.076 0.434 301.1 Total PS5 0.441 0.961 0.372 1.332 925.2 800 6 210 138790 LDR: 3 MDR: 1 PI: 3 LDR: 0.0 MDR: 0.0 PI: 0.0 0.008 0.022 0.006 0.029 19.8 6 213 138794 HDR: 0 LDR: 2 MDR: 0 PI: 4 HDR: 0.0 LDR: 0.0 MDR: 0.0 PI: 0.0 0.005 0.013 0.006 0.019 13.4 Total PS6 0.013 0.036 0.012 0.048 33.2 45 7 214 150257 GC: 0 HDR: 7 LDR: 51 MDR: 1 NC: 0 PI: 14 GC: 0.0 HDR: 0.03 LDR: 0.08 MDR: 0.0 NC: 0.0 PI: 0.0 0.119 0.261 0.073 0.333 231.5 7 215 139121 HDR: 1 LDR: 65 LI: 0 MDR: 0 PI: 1 HDR: 0.0 LDR: 0.1 LI: 0.0 MDR: 0.0 PI: 0.0 0.106 0.233 0.071 0.304 211.1 Total PS7 0.225 0.494 0.144 0.637 442.6 634 9 216 139819 LDR: 0 MDR: 3 LDR: 0.0 MDR: 0.01 0.008 0.023 0.003 0.026 18.0 9 217 139847 GC: 0 HDR: 36 LDR: 26 LI: 8 MDR: 38 NC: 1 PI: 5 GC: 0.0 HDR: 0.16 LDR: 0.04 LI: 0.03 MDR: 0.1 NC: 0.0 PI: 0.0 0.336 0.674 0.115 0.788 547.6 Total PS9 0.344 0.696 0.118 0.814 565.6 785 10 218 140147 CR: 10 HDR: 1 LDR: 4 MDR: 65 CR: 0.05 HDR: 0.01 LDR: 0.01 MDR: 0.16 0.224 0.465 0.081 0.545 378.7 --------------- --------------- --------------- --------------- Canyon Aviemore Terrace President Victoria Pump Station Flow Analysis for Costa Mesa Sanitary District PS Name Pump Station/ Location Description Service Area ID Pipe ID Land Use Areas (acres)LDR MDR PI Land Use Flow Contribution (MGD) Modeled Average Flow (MGD) Modeled Peak Flow (MGD) Total Inflow (MGD) Modeled Total Flow (MGD) Modeled Total Flow (GPM) Pump Station Capacity (GPM) 10 219 140136 CR: 27 HDR: 2 MDR: 3 CR: 0.14 HDR: 0.01 MDR: 0.01 0.155 0.330 0.031 0.361 250.7 10 220 140135 LDR: 41 MDR: 127 PI: 8 LDR: 0.06 MDR: 0.32 PI: 0.0 0.386 0.766 0.174 0.941 653.2 Total PS10 0.765 1.561 0.286 1.847 1282.6 3750 Total PS10 (Inc PS11)1.752 3.380 0.600 3.980 2763.9 3750 Irvine Total PS11 221 140015 F: 1 G: 194 GC: 56 HDR: 31 LDR: 134 MDR: 15 PI: 2 RC: 56 F: 0.0 G: 0.04 GC: 0.28 HDR: 0.14 LDR: 0.21 MDR: 0.04 PI: 0.0 RC: 0.28 0.987 1.818 0.315 2.133 1481.3 1800 12 222 140310 LDR: 0 MDR: 24 PI: 1 LDR: 0.0 MDR: 0.06 PI: 0.0 0.061 0.140 0.024 0.163 113.5 12 223 140251 LDR: 28 MDR: 22 PI: 9 LDR: 0.04 MDR: 0.06 PI: 0.0 0.102 0.224 0.059 0.284 196.9 12 224 140317 LDR: 178 MDR: 34 PI: 17 LDR: 0.28 MDR: 0.09 PI: 0.0 0.365 0.728 0.231 0.959 666.2 12 225 140318 LDR: 1 MDR: 1 LDR: 0.0 MDR: 0.0 0.003 0.007 0.001 0.009 6.2 Total PS12 0.530 1.099 0.316 1.415 982.8 1050 13 226 150532 LDR: 42 42 LDR: 0.07 0.065 0.149 0.043 0.192 133.2 13 227 140424 LDR: 3 3 LDR: 0.0 0.005 0.013 0.005 0.018 12.8 13 228 140451 LDR: 62 MDR: 5 PI: 3 62 5 3 LDR: 0.1 MDR: 0.01 PI: 0.0 0.109 0.239 0.070 0.309 214.6 Total PS13 0.178 0.401 0.118 0.519 360.6 550 14 229 135690 LDR: 5 PI: 1 LDR: 0.01 PI: 0.0 0.008 0.022 0.008 0.030 20.9 14 230 135696 LDR: 22 PI: 0 LDR: 0.03 PI: 0.0 0.034 0.082 0.027 0.109 75.6 Total PS14 0.042 0.104 0.035 0.139 96.5 269 South Coast Plaza Total PS16 238 139209 HDR: 0 LDR: 8 LI: 2 MDR: 8 PI: 2 HDR: 0.0 LDR: 0.01 LI: 0.01 MDR: 0.02 PI: 0.0 0.041 0.098 0.023 0.120 83.5 100 19th. Street Total PS17 231 135860 HDR: 6 LDR: 0 PI: 1 HDR: 0.03 LDR: 0.0 PI: 0.0 0.030 0.073 0.008 0.081 56.2 150 Iowa Total PS18 232 138811 LDR: 0 MDR: 10 PI: 0 LDR: 0.0 MDR: 0.02 PI: 0.0 0.024 0.060 0.008 0.067 46.7 110 Sea Bluff Total PS19 233 149414 MDR: 6 MDR: 0.01 0.014 0.037 0.005 0.041 28.7 160 Santa Ana 23rd. Street California Elden --------------- --------------- --------------- --------------- --------------- Pump Station Flow Analysis for Costa Mesa Sanitary District PS Name Pump Station/ Location Description Service Area ID Pipe ID Land Use Areas (acres)LDR MDR PI Land Use Flow Contribution (MGD) Modeled Average Flow (MGD) Modeled Peak Flow (MGD) Total Inflow (MGD) Modeled Total Flow (MGD) Modeled Total Flow (GPM) Pump Station Capacity (GPM) Total PS19 (Inc PS18)0.038 0.096 0.012 0.109 75.4 270 21 235 140762 CR: 10 GC: 3 HDR: 11 LDR: 7 MDR: 20 CR: 0.05 GC: 0.01 HDR: 0.05 LDR: 0.01 MDR: 0.05 0.179 0.378 0.051 0.429 297.9 21 236 140760 CR: 1 HDR: 4 LDR: 64 MDR: 34 PI: 5 CR: 0.01 HDR: 0.02 LDR: 0.1 MDR: 0.09 PI: 0.0 0.212 0.441 0.111 0.552 383.0 Total PS21 0.390 0.818 0.162 0.980 680.9 825 21st. Street --------------- --------------- E-1 Apppendix: E: Gravity Sewer Service Area Maps F-1 Apppendix: F: Gravity Sewer Flow Calculations CMSD Gravity Sewer Flow Calculations Facility ID Total Area (acres) Comm (acres) HDR (acres) MDR (acres) LDR (acres) Ind. (acres) Public Inst. (acres) Parks (acres) Streets (acres) Inflow2 (MGD)PS Flow (MGD) EEC Q (MGD) PS Split Factor Split Flow Factor Qavg1 (MGD) Qpeak (MGD)Condition Pipe Dia (in)Slope Pipe Capacity D/d=0.5 (MGD) Pipe Capacity D/d=0.75 (MGD) Pipe Capacity Full (MGD) 1 Irvine at Flower 156 197.6 25.4 0.0 50.0 83.2 0.0 39 0.158 0.92 1.0 0.38 0.92 15 0.0076 1.82 3.32 3.64 2 Irvine NE of 17th 119 150.2 25.4 0.0 49.8 45.9 0.0 29 0.120 0.77 1.0 0.32 0.77 d>0.5D 15 0.0009 0.62 1.12 1.23 3 1st Alley NE of Flower 220 285.8 54.7 51.6 39.1 69.9 2.6 68 0.229 1.59 1.0 0.72 1.59 15 0.0190 2.88 5.24 5.75 4 Raymond N.E. of Flower 28 37.2 28.2 9 0.030 0.07 0.5 0.02 0.07 10 0.0052 0.51 0.93 1.02 5 Tustin SW of Walnut 65 80.7 14.8 42.1 8.8 15 0.065 0.29 1.0 0.10 0.29 d>0.5D 8 0.0036 0.23 0.42 0.47 6 Irvine at Costa Mesa 117 145.2 14.8 92.6 8.8 29 0.116 0.5 1.0 0.18 0.50 d>0.5D 10 0.0023 0.34 0.62 0.68 7 Irvine SW of 19th 429 547.3 78.7 51.3 97.3 181.5 13.6 125 0.438 2.55 1.0 1.16 2.55 24 0.0088 N/A 12.48 13.69 8 23rd St Pump Station 78 82.6 4.8 58.3 2.5 17 0.066 0.3 1.0 0.10 0.29 d>0.5D 8 0.0042 0.25 0.46 0.50 9 Santa Ana NE of 23rd 108 109.0 18.8 59.3 10.9 20 0.087 0.79 1.18 1 1.0 0.14 1.18 d>0.75D 12 0.0031 0.64 1.16 1.27 10 Brentwood NW Santa Ana 39 65.5 20.7 26.8 4.0 14 0.052 0.26 1.0 0.09 0.26 d>0.5D 8 0.0030 0.21 0.39 0.43 11 Santa Ana SW of Mesa 98 119.0 64.2 31.4 4.5 19 0.095 2.19 1.02 0.5 1.0 0.21 2.73 18 0.0040 N/A 3.91 4.29 12 Mesa SE of Elden 43 173.6 102.2 41.0 4.5 26 0.139 2.19 2.29 1 1.0 0.32 2.98 d>0.75D 18 0.0021 N/A 2.81 3.08 14 Bristol NW of Acacia 119 144.4 38.2 70.6 0.0 11.6 24 0.106 0.72 1.0 0.30 0.72 d>Full 8 0.0064 0.31 0.57 0.62 15 FC Channel SE of Kline 1 73 79.2 17.1 19.5 25.8 1.3 6.6 9 0.058 0.43 0.5 0.09 0.23 12 0.0025 0.58 1.06 1.16 16 Irvine Pump Station 436 508.2 113.9 2.6 32.9 116.4 20.2 154.3 68 0.283 1.92 1.0 0.88 1.92 21 0.0040 N/A 5.90 6.48 17 Elden SW of Wilson 55 64.0 8.3 0.2 38.5 5.0 12 0.051 0.37 1.0 0.15 0.37 d>0.5D 8 0.0040 0.25 0.45 0.49 18 Elden at Mesa So. 8 inch 30 13.2 11.2 2 0.011 0.08 1.0 0.03 0.08 8 0.0040 0.25 0.45 0.49 19 Elden at Mesa No. 10 inch 104 118.1 9.7 1.1 83.6 4.7 19 0.094 0.65 1.0 0.27 0.65 d>0.5D 10 0.0034 0.41 0.75 0.82 20 Newport at Victoria 29 22.0 20.9 0.0 0.0 0.0 1 0.018 1.58 0.72 0.5 0.5 0.05 0.92 15 0.0039 1.30 2.37 2.60 21 21st SE of Orange 77 86.0 12.8 49.3 3.9 20 0.069 0.31 1.0 0.11 0.31 d>0.5D 8 0.0021 0.18 0.33 0.36 22 21st at Newport 41 52.9 8.8 8.9 19.3 7.0 9 0.042 0.35 1.0 0.14 0.35 d>0.5D 10 0.0021 0.32 0.58 0.64 24 President Pump Station 69 84.3 0.0 0.0 66.2 0.0 0.1 18 0.067 0.29 1.0 0.10 0.29 d>0.5D 8 0.0044 0.26 0.47 0.52 28 Thurin South of Victoria 15 in.171 171.7 38.2 36.8 26.8 23.3 16.7 30 0.137 0.98 1.96 0.5 1.0 0.47 2.03 d>0.75D 15 0.0024 1.02 1.85 2.03 30 Victoria Pump Station 116 104.6 0.7 34.3 27.5 9.5 7.4 5.1 20 0.084 0.64 1.0 0.27 0.64 8 0.0329 0.71 1.29 1.42 33 Anaheim South of Center 114 14.4 11.4 3 0.012 0.13 1.0 0.05 0.13 12 0.0006 0.28 0.50 0.55 34 18th West of Crestmont 135 177.1 38.7 78.4 0.4 10.7 0.3 12.6 36 0.142 1.25 1.0 0.58 1.25 15 0.0056 1.56 2.84 3.12 35 17th East of Pomona 172 199.3 42.6 82.9 0.4 10.5 11.3 12.6 39 0.159 1.41 1.0 0.66 1.41 15 0.0059 1.60 2.92 3.20 41 17th West of Placentia 39 52.4 44.4 8 0.042 0.37 1.0 0.16 0.37 d>0.5D 8 0.0040 0.25 0.45 0.49 44 17th West of Pomona 10 inch 43 42.3 1.6 24.4 8.4 8 0.034 0.36 0.5 0.08 0.19 10 0.0212 1.03 1.88 2.06 46 Pomona North of 17th 15 21.4 10.3 7.1 4 0.017 0.18 1.0 0.07 0.18 8 0.0277 0.65 1.18 1.30 47 Pomona South of 17th 460 555.6 46.5 143.9 10.7 37.5 197.0 24.0 96 0.444 0.14 1.85 1 0.5 0.84 1.86 21 0.0026 N/A 4.74 5.20 48 16th West of Newport 25 34.0 13.2 1.5 0.6 12.6 0.1 6 0.027 0.28 1.0 0.12 0.28 d>0.5D 8 0.0049 0.27 0.50 0.54 49 Newport North of 16th 25 26.7 23.2 0.5 3 0.021 0.28 1.0 0.12 0.28 d>0.5D 8 0.0049 0.27 0.50 0.55 50 Canyon Drive 87 91.0 3.4 2.3 43.3 11.6 2.0 14.5 14 0.073 0.42 1.0 0.16 0.42 d>0.5D 8 0.0100 0.39 0.71 0.78 51 Canyon Drive Pump Station 71 86.1 2.2 8.1 53.7 0.1 22 0.069 0.32 1.0 0.11 0.32 8 0.0153 0.48 0.88 0.97 52 Wilson West of Placentia 8 in.454 453.8 3.4 4.5 97.0 74.6 2.0 216.3 0.0 56 0.363 0.62 0.5 0.22 0.65 d>Full 8 0.0066 0.32 0.58 0.63 53 WIlson East of Placentia 10 in.68 510.5 11.9 5.8 104.6 72.7 37.3 216.3 0.0 62 0.408 0.81 0.5 0.32 0.85 d>Full 10 0.0027 0.36 0.67 0.73 54 Wilson East of Placentia 12 inch 16 475.3 3.4 4.5 101.0 83.9 2.0 218.5 0.0 62 0.380 0.12 0.77 0.5 0.5 0.24 0.74 d>0.5D 12 0.0040 0.72 1.32 1.45 57 Wilson East of Harbor 10"100 101.1 29.2 24.8 2.7 21.4 5.0 18 0.081 0.35 0.5 0.15 0.36 d>0.5D 10 0.0012 0.25 0.45 0.49 58 Fair Dr. at Harbor 126 169.5 28.9 17.7 0.0 77.9 8.0 37 0.136 0.83 1.0 0.35 0.83 15 0.0030 1.15 2.09 2.30 59 Harbor South of Adams 632 709.9 55.6 93.7 11.2 125.0 116.5 236.0 72 0.379 2.22 1.0 1.00 2.22 18 0.0025 N/A 3.12 3.43 60 Adams Pump Station 75 96.2 0.0 55.9 19.3 21 0.077 0.28 1.0 0.09 0.28 d>0.5D 8 0.0026 0.20 0.36 0.40 Ultimate Land Use CMSD Gravity Sewer Flow Calculations Facility ID Total Area (acres) Comm (acres) HDR (acres) MDR (acres) LDR (acres) Ind. (acres) Public Inst. (acres) Parks (acres) Streets (acres) Inflow2 (MGD)PS Flow (MGD) EEC Q (MGD) PS Split Factor Split Flow Factor Qavg1 (MGD) Qpeak (MGD)Condition Pipe Dia (in)Slope Pipe Capacity D/d=0.5 (MGD) Pipe Capacity D/d=0.75 (MGD) Pipe Capacity Full (MGD) Ultimate Land Use 61 Adams West of Harbor 256 312.2 24.2 15.1 24.0 165.2 26.7 0.1 57 0.250 1.24 1.0 0.51 1.24 d>0.5D 15 0.0023 1.00 1.83 2.01 62 Harbor South Baker into OCSD 918 1045.0 95.0 107.2 35.2 291.8 147.6 236.2 132 0.647 3.46 1.0 1.59 3.46 d>Full 18 0.0020 N/A 2.77 3.04 63 Harbor into 30 inch County 113 140.0 45.5 9.8 51.4 1.3 32 0.112 0.72 1.18 0.5 1.0 0.35 1.54 18 0.0030 N/A 3.37 3.69 64 Gisler Pump Station 49 57.7 0.0 0.0 41.7 16 0.046 0.19 1.0 0.06 0.19 8 0.0222 0.58 1.06 1.16 65 Country Club at Gisler 230 260.1 3.6 84.3 0.0 142.3 30 0.094 0.23 0.5 0.08 0.24 d>0.5D 8 0.0023 0.19 0.34 0.38 66 Gisler at Bermuda 311 361.2 0.0 3.6 146.2 13.1 144.3 54 0.174 0.72 1.0 0.27 0.72 12 0.0045 0.77 1.40 1.54 67 Gisler at Gibralter 101 132.7 2.0 0.0 79.3 17.3 34 0.106 0.4 1.0 0.14 0.40 d>0.5D 10 0.0020 0.32 0.58 0.63 68 Paularino East of Bristol 96 45.5 0.6 25.7 5.9 7.4 0.0 6 0.036 0.37 1.0 0.16 0.37 12 0.0223 1.72 3.13 3.44 69 12" s'ly Mendoza Pump Station 221 370.3 0.7 15.4 7.0 135.9 0.0 72.6 69.8 69 0.240 0.91 1.0 0.33 0.90 d>0.5D 12 0.0024 0.56 1.03 1.13 70 Santa Ana SW of 18th 71 92.3 30.1 17.6 21.9 2.6 20 0.074 0.66 1.0 0.29 0.66 8 0.0546 0.91 1.66 1.82 71 Flower SE of Santa Ana 12 inch 177 235.5 53.3 51.3 39.2 33.1 2.6 56 0.188 0.72 0.5 0.33 0.75 d>0.5D 12 0.0028 0.61 1.12 1.22 72 Old Newport Blvd.134 181.6 57.6 1.7 42.8 1.5 19.7 9.3 49 0.145 1.08 1.0 0.48 1.08 10 0.0325 1.28 2.33 2.55 100 Newport Blvd SW of Mesa 33 36.2 27.1 2.5 3.6 3 0.029 0.36 1.0 0.16 0.36 d>0.5D 8 0.0033 0.22 0.41 0.45 101 Hamilton at cl of Harbor 100 123.8 15.4 33.6 14.6 22.8 16.3 21 0.099 0.98 1.27 1 0.5 0.15 0.87 15 0.0022 0.98 1.79 1.96 102 Hamilton West of Harbor 89 85.7 1.3 25.6 25.7 17.2 16 0.069 0.98 0.67 0.5 0.5 0.08 0.71 d>0.5D 12 0.0020 0.51 0.93 1.02 103 Hamilton West of Harbor 20 16.5 7.4 7.2 0.0 2 0.013 0.09 0.5 0.03 0.09 8 0.0022 0.18 0.33 0.36 104 Hamilton East of Harbor 15 in.126 152.4 35.3 33.1 18.1 22.7 16.2 27 0.122 0.98 1.39 0.5 1.0 0.41 1.92 d>Full 15 0.0016 0.85 1.54 1.69 105 Newport 18 in. N.E. of Victoria (Incl. Victoria PS)519 64.5 14.6 14.9 15.9 4.0 5.1 10 0.052 1.07 1.68 1.0 0.19 1.52 18 0.0012 N/A 2.13 2.34 108 17th East of Placentia 12 in.252 266.3 2.7 47.8 1.4 17.3 154.0 9.1 34 0.213 0.14 1 1 0.5 0.40 0.97 d>0.5D 12 0.0040 0.73 1.32 1.45 109 Victoria at Newport 18 in. (incl. President PS)258 216.7 46.9 55.9 30.6 25.9 21.4 36 0.173 0.98 2.26 0.5 1.0 0.61 2.33 d>Full 18 0.0009 N/A 1.90 2.09 110 Victoria at Newport 21 in. (incl. Victoria PS)350 63.6 13.7 14.9 15.9 4.0 5.1 10 0.051 1.07 1.67 1.0 0.18 1.51 21 0.0018 N/A 3.91 4.29 111 Victoria East of Harbor 233 153.3 34.1 33.2 18.1 22.9 16.1 29 0.123 0.98 1.84 0.5 1.0 0.41 1.91 12 0.0677 2.99 5.46 5.99 112 21st at Newport 153 135.0 1.5 3.9 33.7 62.0 3.9 30 0.108 0.54 1.0 0.21 0.54 10 0.0102 0.72 1.31 1.43 113 President Pump Station #2 64 75.1 0.4 7.4 0.7 50.6 0.1 16 0.060 0.31 1.0 0.12 0.31 d>0.5D 8 0.0064 0.31 0.57 0.62 114 Flower SE of Santa Ana 18 in.177 235.2 53.9 51.2 38.5 33.0 2.6 56 0.188 1.43 1.0 0.65 1.43 18 0.0027 N/A 3.22 3.53 115 FC Channel SE of Kline 2 202 245.2 88.2 2.6 4.0 75.9 0.6 32.9 41 0.170 0.65 0.5 0.29 0.68 d>0.5D 12 0.0020 0.51 0.94 1.03 117 Anaheim South of Center 15 in.102 125.0 38.7 52.9 4.5 0.0 3.9 25 0.100 0.97 1.0 0.45 0.97 d>0.5D 15 0.0014 0.77 1.40 1.54 118 Irvine SW of 23rd 43 47.9 40.9 7 0.038 0.18 1.0 0.06 0.18 12 0.0040 0.73 1.33 1.46 119 Victoria Pump Station 12 inch 51 102.1 0.2 34.0 9.2 25.7 6.9 5.1 21 0.082 0.29 0.5 0.12 0.31 12 0.0031 0.64 1.17 1.29 120 17th West of Pomona 12 inch 273 310.3 2.7 49.4 9.9 26.3 167.6 11.4 43 0.248 0.96 0.5 0.45 1.00 12 0.0282 1.93 3.53 3.87 121 Wilson West of PS 12 inch 89 105.0 1.0 8.1 36.9 27.1 8.9 23 0.084 1.15 1.04 0.5 1.0 0.18 1.61 12 0.0240 1.78 3.25 3.57 122 Gisler Pump Station 8 inch 20 10.6 0.0 7.6 3 0.008 0.04 1.0 0.01 0.04 8 0.0108 0.41 0.74 0.81 123 Wilson West of Placentia 10 in.477 421.2 3.4 4.5 97.0 72.1 2.0 187.3 55 0.337 0.6 0.5 0.22 0.62 d>0.5D 10 0.0041 0.45 0.83 0.91 124 Santa Ana SW of 18th 71 98.0 29.0 17.7 27.7 2.6 21 0.078 0.69 1.0 0.30 0.68 18 0.0031 N/A 3.42 3.76 125 Newport N.E. of Victoria 427 508.3 89.4 105.0 86.7 87.9 8.0 25.3 106 0.407 2.78 1.0 1.32 2.78 24 0.0013 N/A 4.72 5.18 127 Santa Ana Pump Station 30 26.2 21.5 0.2 0.6 4 0.021 0.15 1.0 0.05 0.15 8 0.0020 0.18 0.32 0.35 128 Santa Ana Pump Station 247 286.8 34.5 180.1 18.2 54 0.229 0.96 1.0 0.37 0.96 12 0.0147 1.39 2.54 2.79 CMSD Gravity Sewer Flow Calculations Facility ID Total Area (acres) Comm (acres) HDR (acres) MDR (acres) LDR (acres) Ind. (acres) Public Inst. (acres) Parks (acres) Streets (acres) Inflow2 (MGD)PS Flow (MGD) EEC Q (MGD) PS Split Factor Split Flow Factor Qavg1 (MGD) Qpeak (MGD)Condition Pipe Dia (in)Slope Pipe Capacity D/d=0.5 (MGD) Pipe Capacity D/d=0.75 (MGD) Pipe Capacity Full (MGD) Ultimate Land Use 129 Wilson East of Harbor 34 8.3 0.0 2.7 3.6 2 0.007 2.39 2.5 1 1.0 0.02 2.44 21 0.0014 N/A 3.48 3.81 130 Wilson West of PS 12 in.160 105.0 8.9 5.6 21.9 10.4 35.2 8.9 14 0.084 0.89 0.5 0.13 0.33 12 0.0040 0.73 1.33 1.46 131 Indus E/O Santa Ana 27 29.4 11.9 13.2 1.3 3 0.024 0.14 1.0 0.05 0.14 10 0.0066 0.57 1.05 1.15 132 Newport at Victoria 29 26.2 24.8 0.0 0.0 0.0 0.3 1 0.021 0.15 0.5 0.06 0.15 d>0.5D 8 0.0012 0.13 0.24 0.27 133 Irvine Pump Station 29 34.3 1.3 6.4 16.6 4.0 6 0.027 0.14 1.0 0.05 0.14 8 0.0265 0.64 1.16 1.27 G-1 Apppendix: G: Ductile Iron Pipe Rehabilitation CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP FULL LENGTH DIP 136122 DI 105545 105540 8 203 S-75-25.9-31 Meadow Brook 138140 DI 101763 101692 8 172 289 Sanderling Cir. 139514 DI 103157 103142 8 148 41 Hamilton & Harbor 140177 DI 105083 105042 8 163 98 Poplar Ln. 140178 DI 105016 105003 8 163 104 Eucalyptus Ln. 134845 DI 102766 102786 8 140 185 Commercial Way 134858 DI 102610 102643 8 140 182 Industrial Way 135893 DI 102542 102546 12 197 52 Michigan Ave. 136152 DI 105689 105683 8 193 36 South Coast Plaza @ PS 137893 DI 105733 105751 8 165-A 145 Bristol St. 137904 DI 105695 105704 8 178 S-90-5.1-3 221 Bristol St. 137907 DI 105696 105695 8 178 S-95-1.1 67 Brisrol St. 138616 DI 104814 104815 10 168 66 Fair Dr. 138695 DI 105751 105756 8 165 103 Bristol St. 140917 DI 102831 102850 8 140 174 16th. St. 140982 DI 104188 104194 8 137 30 alley (Broadway St. & Tustin Ave.) 149489 DI 102440 102439 10 139 84 Beacon St at Westminster Ave. 150356 DI 111700 105020 8 179 35 DeSoto Ave. PARTIAL LENGTH DIP 135398 VCP 104526 104561 8 195 80 18 Danielle Dr. 36 18 135399 VCP 104643 104644 8 195 198 13 Kings Ct. 23 10 CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 135445 VCP 102433 102461 12 197 S-78-2.1-3 217 161 Gisler Ave. 172 11 173 135523 VCP 105503 105540 8 203 S-75-25.10 219 212 Village Creek 223 11 135528 VCP 105544 105543 8 203 S-75-25.8 244 234 Bear Creek 135530 VCP 105453 105495 8 203 162 3 14 Bear Creek 11 135562 VCP 104651 104590 8 201 265 233 Wimbledon Way 244 11 135576 VCP 104433 104440 8 195 249 225 Wimbledon Way 235 10 135581 VCP 104515 104479 8 201 S-78-8.2 151 148 Wimbledon Way 156 9 135586 VCP 104432 104512 8 201 S-79-8.4 212 20 Kingston St. 29 9 135592 VCP 102695 102694 8 199 354 124 Hyland Ave. 132 8 135593 VCP 102706 102697 8 199 253 159 Hyland Ave. 169 10 135620 VCP 102865 102827 8 199 136 45 Corporate Dr. 63 @ Harbor Gateway 18 135645 VCP 102525 102526 8 199 S-81-7.5B 291 257 Howard Way 267 10 135720 VCP 102368 102367 8 198 209 185 Maryland Cir. CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 205 20 135923 VCP 104629 104556 8 195 S-77-3.4 324 307 Denns Dr. 317 10 135925 VCP 104649 104561 8 195 S-77-2.5 368 15 Danielle Dr. 24 9 81 99 18 135935 VCP 104568 104561 8 195 211 168 Deedee Dr. 177 9 135936 VCP 104654 104568 8 195 S-77-2.6 338 14 Dana Dr. 25 11 135958 VCP 104560 104641 8 195 S-77-2.2 340 321 Debra Dr. 330 9 135980 VCP 104491 104476 8 195 204 180 Wimbledon Way 189 9 135986 VCP 104373 104368 8 195 S-78-9.5 242 181 Summerset Cir. 194 12 135991 VCP 104706 104743 8 S-72-12.3 199 189 Redding Ave. 136025 VCP NONE 104612 8 195 46 37 esmnt. between 47 Coast Dr. & Tulare Dr. 10 136240 VCP 105723 105763 8 191 202 30 Wingate Bay 39 9 136250 VCP 105673 105721 8 191 S-79-4.5 269 39 Wesleyan Bay 49 10 253 CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 262 9 136257 VCP 105763 105758 8 191 98 70 Loysburg Bay 80 9 136260 VCP 105773 105770 8 191 132 110 Loysburg Bay 121 10 136265 VCP 105627 105583 8 191 S-77-15.2 273 267 Jennifier Ln. 276 9 136269 VCP 105607 105585 8 191 S-77-15.3 175 8 Jeffery Dr. 17 9 147 157 10 136274 VCP 105697 105699 8 191 269 135 Roanoke Ln. 141 6 136339 VCP 105642 105644 8 191 169 90 Tara 108 18 136476 VCP 105480 105469 8 191 140 105 Klondike Ave, 114 9 136483 VCP 105490 105438 8 191 S-79-3.3 220 43 Liard Pl. 52 9 136899 VCP 102431 102432 10 187 S-78-2.3 270 15 Bermuda Dr. 242 248 6 137553 VCP 104204 104203 8 180 151 30 Citrus Pl. 48 18 122 CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 141 18 137670 VCP 105384 105385 8 179 S-70-1.1-2 200 125 Bear St. 140 14 137832 VCP 105598 105609 8 178 123 55 Bear St. 64 9 138351 VCP 103299 103224 8 342 281 Fair Dr. 60 138466 VCP 104143 115588 8 169 S-57-10.4 327 284 Princeton Dr. 294 9 138480 VCP 104171 104125 8 169 S-79-5.3 167 12 Purdue Dr. 23 11 138617 VCP 104813 104814 10 168 218 14 esmnt. at 226 Fair Dr. 212 138618 VCP 104812 104813 10 168 262 6 esmnt at 63 Fair Dr. 57 138682 VCP 105920 105901 8 165 261 73 Bristol St. 100 27 151 110 138746 VCP 101583 101552 8 248 232 Modjeska Cir. 241 9 138833 VCP 101471 101460 8 109 22 Westward Ln. 33 11 138849 VCP 102268 102306 8 157 S-63-18.1-2 348 333 Joann St. 15 139182 VCP 101595 101539 8 154 S-53-5.24 331 316 19th. St. 330 14 139221 VCP 101930 101984 8 154 170 128 Material Change, Remark: DIP CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 139 Material Change, Remark: VCP 10 139395 VCP 102388 102392 8 152 S-53-2.34 289 171 Pomona Ave. 179 9 139420 VCP 102886 102887 8 150 S-53-2.12 244 36 esmnt 102 e/o Park Dr, s/o 18th. St.66 139437 VCP 102981 102982 8 150 S-53-2.11 247 202 Park Ave. 212 10 139560 VCP 102949 103050 8 148 342 122 Bernard St. 127 5 139580 VCP 103045 103076 8 148 146 6 Hamilton St. 27 22 139581 VCP 103001 103045 8 148 126 85 Hamilton St. 93 8 139583 VCP 102992 103078 10 148 S-53-2.13 302 118 Hamilton St. 126 8 139663 VCP 102688 102758 8 147 294 11 Hamilton St. 16 5 139796 VCP 103189 103186 8 145 S-55-16.1 312 256 Harbor Blvd. 284 28 139828 VCP 103166 103167 8 145 318 273 Harbor Blvd. 287 14 139854 VCP 103152 103164 8 145 39 20 Victoria St. 34 14 10 20 11 CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 139955 VCP 104306 104347 8 143 S-59-26.1-9 351 190 Newport Blvd. 161 140180 VCP 105057 105042 8 163 44 4 Eucalyptus Ln. 49 44 140184 VCP 104995 105016 8 163 S-78-10.7 132 98 Sycamore Ln. 108 10 140187 VCP 105027 105017 8 163 61 7 Aspen Ln. 48 40 140191 VCP 104974 105003 8 163 106 3 Eucalyptus Ln. 22 19 140312 VCP 105356 105330 8 162 S-79-6.1-3 154 76 Campbell Ln. 93 17 140313 VCP 105432 105356 8 162 326 146 esmnt. 163 n/o Campbell Ln., w/o De Cannes 18 140416 VCP 105442 105410 8 162 154 134 Heather Ln. 20 140713 VCP 103951 103997 8 142 S-72-13.1 287 266 Laurie Ln. 272 6 140726 VCP 103882 103945 8 142 333 283 Fullerton Ave. 293 10 140749 VCP 103703 103626 8 142 304 4 Costa Mesa St. 10 7 140942 VCP 103264 103305 8 140 S-53-2.20 225 68 Sparks St. 81 13 141041 PVC 104707 104738 8 S-97-301 3 esmnt. 38 e/o Garden Ln., s/o 21st St. 35 141198 VCP 106240 106237 8 165-B S-81-6.1-3 335 127 Airway Ave. CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 138 10 141200 VCP 106224 106228 8 165-B S-69-8.8 135 106 Airway Ave. 28 141256 VCP 106221 106234 15 192-B S-87-5.5 248 134 Anton Blvd. 143 9 141291 VCP 105986 105999 10 192-A 84 8 Town Center Dr, 31 23 141491 VCP 106041 106016 8 S-99-1.1-4 247 228 Acacia St. 237 9 141519 VCP 106280 106285 8 165-C 255 70 esmnt. 90 e/o Airway Ave., Airport Loop Dr. 20 141585 VCP 106147 106164 8 165-A 312 207 esmnt. 226 e/o Airport Loop, n/o Clinton St. 19 141596 VCP 106046 106061 8 165-A S-85-2.1 205 47 Clinton St. 65 18 97 115 18 150300 VCP 101191 106057 8 165-A 350 5 esmt. 16 s/o Bristol St., w/o OCFCF channel 11 149671 VCP 106185 106193 8 165-B 18 309 Baker St. 327 18 135540 DI 105423 105447 8 202 S-75-25.12 134 118 Pinebrook Cir. 132 14 137989 DI 103715 103667 8 174 S-84-15.1 247 236 Hanover Dr. 243 7 CMSD DIP/CIP Segments DIP EVALUATION Facility ID Pipe Mate rial Upstream Manhole ID Downstream Manhole ID Pipe Dia. Map Page Source Document Full Pipe Segment Length (Distance)Location of Observation / Observation Made Length of CCTV'd pipe observed to be DIP 141584 DI 106164 106143 8 165-A S-78-7.1-4 222 0 e/o Airway Ave. 20 20 202 220 18 138686 DI 105884 105894 8 165 S-88-7.1-2 210 siphon at Bristol St. ¿À ¥§¦ ¿À \^ \^ \^ \^\^\^ \^ \^ \^ \^\^ \^ \^ \^\^\^\^\^ 73 55 405 JamboreeHarbor BoulevardMcArthur Boulevard Ductile Iron Pipe Location Map LEGEND µ0 0.6 1.20.3 Miles Costa Mesa Sanitary District Ductile Iron Pipe (Partial Length) CMSD Gravity Mains Costa Mesa Sanitary District (CMSD) Boundary Ductile Iron Pipe (Full Length) 1 2 34 \^ ¿À ¥§¦ \^ \^ \^ 55 405 Harbor BoulevardMcArthur Boulevard Ductile Iron Pipe Location Map Quadrant I LEGEND µ0 0.25 0.50.125 Miles Costa Mesa Sanitary District Ductile Iron Pipe (Partial Length) CMSD Gravity Mains Costa Mesa Sanitary District (CMSD) Boundary Ductile Iron Pipe (Full Length) 1 2 34 \^ ¿À ¥§¦ ¿À \^ \^\^ \^ \^ \^\^ \^\^ \^ 73 55 405 McArthur Boulevard Ductile Iron Pipe Location Map Quadrant II LEGEND µ0 0.25 0.50.125 Miles Costa Mesa Sanitary District Ductile Iron Pipe (Partial Length) CMSD Gravity Mains Costa Mesa Sanitary District (CMSD) Boundary Ductile Iron Pipe (Full Length) 1 2 34 \^ ¿À ¿À \^ \^ \^\^ \^\^ \^\^ \^ 73 55 JamboreeDuctile Iron Pipe Location Map Quadrant III LEGEND µ0 0.25 0.50.125 Miles Costa Mesa Sanitary District Ductile Iron Pipe (Partial Length) CMSD Gravity Mains Costa Mesa Sanitary District (CMSD) Boundary Ductile Iron Pipe (Full Length) 1 2 3 4 \^ ¿À \^ \^ \^ \^\^ \^ \^ 55 Ductile Iron Pipe Location Map Quadrant IV LEGEND µ0 0.25 0.50.125 Miles Costa Mesa Sanitary District Ductile Iron Pipe (Partial Length) CMSD Gravity Mains Costa Mesa Sanitary District (CMSD) Boundary Ductile Iron Pipe (Full Length) 1 2 3 4 \^ H-1 Apppendix: H: Project #149 Sinking Fund for Future Sewer Replacement