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Project 132 - Proposal - Hamers - 1993-03-24 1) ROBIN B. HAMERS 234 E. 17TH ST SUITE 205 & ASSOCIATES, INC. COSTA MESA,CA 92627 CIVIL ENGINEERS PLANNERS SURVEYORS 17141548-1192 March 24 1993 Board of Directors Costa Mesa Sanitary District P 0 Box 1200 Costa Mesa CA 92628-1200 RE PROPOSAL TO BEGIN PROJECT PROJECT 1112100-132 RECONSTRUCTING VARIOUS SEWER LINES Gentlemen Enclosed please find a proposal to begin the design phase of subject project The project entails repairing selected sections of sewer pipe where there is possible leaking sewage due to joint problems similar to Projects 1112100-122 and 1112100-126 The joints between sections of pipe can become out of alignment or cracked due to a variety of reasons such as sags in the line poor installation improper backfill techniques where couplings used to connect sections of pipe made out of different materials are failing or where nearby construction has disturbed the sewer line The need for the joint reworking was established from the televising projects where the camera passed through sections of pipe with bad joints Repair of the joints will most likely be accomplished by excavating from street level down to the pipe and replacing the bad joint with a new section of pipe The construction cost of the project will be approximately $125 000 Therefore it is proposed to complete the design phase of the project including reviewing video tapes to determine the repair locations preparing plans and specifications for the construction putting the project out to bid and making a recommendation to the Board for award of the contract at the following hourly rates not to exceed $9 600 Please also refer to the project description shown in the 1992-93 capital improvement program review copy attached Engineering $59 00/hr Drafting $47 00/hr Please note that billing will be only for actual time worked Sincerely Ro in B Hamers RBH/jp/#126 t? Printed on Recycled Paper CAPIThL LMP,ZOVEMEMY ?2A,e10n ePiN r �Q'SIT,q�,� COSTA MESA jj °��_ DISTRICT y • A U � H DIRECTORS Costa Mesa Recycles yrp�rORA'. " James A. Wahner, President • tD`q�w James Ferryman, Vice President r Harry S. Green, Secretary Nate Reade Dick Sherrick Project 1112100-132 Reconstructing Various Sewer Lines The project is similar to past projects and includes rehabilitation and maintenance of the existing gravity sewer line system on an as-needed basis The results of the four large televising projects have or will disclose existing problems in the main lines such as sags cracked pipe collapsed pipe, offset joints and root intrusion The project sets up a priority list of the problem areas and repairs the lines on a priority basis The project is a yearly project and part of an ongoing maintenance program The only problem type mentioned above which is not repaired by this project is root intrusion which is handled in a foaming project An estimate of the project costs is as follows Design $ 9 600 Construction 125 000 Inspection 10,400 Reserve or Contingency 20 000 TOTAL $ 165 000 — 8 — P.O. BOX 1200, COSTA MESA, CALIFORNIA 92628-1200 77 FAIR DRIVE (714)754-5043