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S-73-3.1W -a. I5" V. C. P. SEWER MAIN 1878 1 f. 48" 1 D. SEWER MANHOLE 7 eo. 60" I.D. SEWER DROP MANHOLE / ea. AGGREGA TE BEDDING 2 MODIFY EXISTING MANHOLE -1 SHEET NT t SwGET m. 3 Elevation s 65.04 C. M. datum B. M. N -9112 M.N. N? 5 1 t, + Or'00 M.N. 3 M. H. N42 __. M.N. Ni-ad M.H. N ?G •M.H. -N4'1, '. .. N48 -.... 1�w - -. HARBOR BOULEVARD _ NOTICE TO CONTRACTORS W I The existence and location of an underground pipes or 3) y 9 PP Q: structures shown on these plans are obtained by o search of the available records. To the best of our knowledge Q 9' there are no known existing utilities except as shown _ r-- r-- required to take due on these Ions. The contractor is re P 9 precautionary measures to protect the utility lines shown GENERAL NO TES and any other lines not of record or not shown on these plans. J. A/ /sewer construction shall conform to the Standards of the Costa Mesa sanitaryI District and shall be completed to the satisfaction of the District Engine D p g Q I 2. Stationing refers to the centerline of proposed sewer. J. Manholes shall be brick or precast concrete as manufactured by Associated Concrete Products, Inc., or approved equal. Sewer Manhole Frame 9 Cover shall be Alhambra Foundry A -1270 or approved equal. 4. Clay Pipe Joint Compound shall be "CPI 2 ", " ✓C -60 ". Mechanical Compression Joints shall be "WEDGE - LOCK", "SPEED -SEAL MAINLINE" or approved equal. In no case will jointing material using neat Portland Cement, mortar or grout be perm /tted. L O CA %ION MAP ENGINEER: COSTA MESA SA NI TARY DI STRI CT S. Contractor shall obtain a permit from the City of Costa Mesa Street Department �� prior to starting work. Request for inspection by the City Engineer shall be SCALE ! =ZQQ Approved Date: /® Z� ` Donald E. Stevens R.C.E. 11066 made 48 hours in advance of performing any work. Telephone 834 -5323. fi. Contractor shall be responsible for maintaining warning devices, lights and flagmen In accordance with "Manual of Warning Signs, Lights, and Devices for use in performance of work upon Highways" Issued by the State of Ca/lfornla.. Department of Public Works, 1969 CITY OF COS TA MESA , ORANGE COUNTY, CALIFORNIA "AS - DU l l.T SHEET / OF 4 SHEE73- 12100 =17 — _ k - _ m