R2004-54 ACCEPTING THE BID AND AUTHORIZING A CONTRACT

Home Browse Search

COUNCIL COMMUNICATION FORM Engineering & Infrastructure Memorandum NO. 2004-28 March 26, 2004 TO: Honorable Mayor Osborne and City Council FROM: Steve Garman, City Manager Stephen Swanson, P.E., Director of Engineering & Infrastructu� Matthew C. Newell, P.E., City Engineer , SUBJECT: Bay Shore Drive Sanitary Sewer, City Project 04-09 ,, SUMMARY RECOMMENDATION: ', It is recommended by staff that the City Council approve the attached resolution awarding the I contract for Bay Shore Drive Sanitary Sewer, City Project 04-09, to HCS Lynch Construction, �, Inc., as the lowest, responsible bidder in the amount of $153,047.50, and that the Mayor be !� authorized to execute the contract, and the City Clerk to attest. , BACKGROUND: � For several years, the Bay Shore Drive / Ridgeway Drive area of South Shores has experienced �i sanitary sewer overflows during periods of heavy rain. In the summer of 2002, the Illinois I Environmental Protection Agency notified the City of complaints stemming from sanitary sewer ', overflows in the area. These overflows have caused sanitary sewage to back into homes, onto the ! streets and into nearby streams. On September 30, 2002, the City Council authorized an agreement with Bainbridge, Gee, Milanski &Associates, Inc. (BGM) to review the sanitary sewers servicing the Bay Shore Drive/ Ridgeway Drive area of South Shores. The final report on the sanitary sewer service area was completed by BGM in September, 2003. The executive suimnary is attached for your review. Full copies of the report will be provided to Council members upon request. The report identifies seven steps to be taken in correcting the surcharging problem affecting the area. These steps are outlined in the executive summary. The immediate steps to be taken include (Step 1) repairing system defects identified in the inspection, (Step 2) increase the capacity of the main outfall for the service area, (Steps 3&4) perform televising and smoke testing of high inflow portions of the service area. Spot repairs (Step 1) have been identified and will be placed on a general repair project slated for later this spring / summer. The critical need (Step 2) is to increase the capacity of the main outfall for the area. City Proj ect 04-09 is designed to increase the main outfall from a 10" pipe to a 12" pipe as shown on the attached drawing. Steps 3 & 4 have been completed and are currently under review.