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HomeMy WebLinkAbout05/17/2011 Sewer Repair Spot Relay 2011Prospect Mount Prospect Public Works Department INTEROFFICE MEMORANDUM �M?/ TO: VILLAGE MANAGER MICHAEL E. JANONIS FROM: WATER/SEWER SUPERINTENDENT DATE: APRIL 28, 2011 SUBJ: BID RESULTS FOR 2011 SEWER LINE SPOT RELAYS ($235,095.30) BACKGROUND In the current budget, staff requested funds to continue the combined sewer system repairs. These repairs were identified during the Combined Sewer System Evaluation Study (CSSES) completed in 2004. In total, almost $15 million worth of repair work has been slated. Some sewer pipe segments have significant structural defects that can only be effectively repaired by excavating and replacing segments of sewer main (spot relays). The majority of the sewer rehabilitation is being performed using the cured -in- place -pipe (CIPP) process. To facilitate this work in 2011, staff prepared two (2) separate bid packages: one package for sewer repairs using cured -in -place piping (CIPP) and another for sewer repairs requiring excavation and pipe replacement (spot relays). The sewer line spot relay bid package was drafted to procure the services of a sewer excavation contractor capable of replacing structurally failed pipe and installing or repairing manholes. This proposed work, along with the spot relay rehabilitation work performed since 2005, has eliminated the worst combined sewer defects (Category 5) and addresses the remaining Category 4 and Category 3 defects requiring excavation and pipe replacement. Each year the Village also rehabilitates the separate sanitary sewer system using the same contract and specifications. This proposed work is comprised of both spot relays and cured -in- place -pipe lining. This work is included in the appropriate bid package (CIPP or spot relay) and distinct funds are utilized to pay for these improvements. This memorandum will present the results of bids for spot relay work only. Bid results for the CIPP will be presented via a separate document. The locations of the work planned for the proposed Sewer Line Spot Relays award is outlined in Attachment A. This year's proposed project features (23) point repairs and (5) new or replacement manholes. Page 2 of 3 BID RESULTS FOR SEWER LINE SPOT RELAYS ($235,095.30) April 28, 2011 BID RESULTS Prior to letting, seven (7) bids were distributed to area contractors experienced in sewer construction. In addition, public notice was posted in a local newspaper as required. Five (5) additional contractors picked up plans and specifications for the project. A mandatory pre -bid conference was held on April 19, 2011 to allow for questions on the plans and project. Sealed bids were received until 1:00 P.M. on Monday, April 25, 2011 at which time they were opened and read aloud. Four (4) bids were received. The bid results are as follows: Bidder Base Bid Martam Construction, Elgin, IL $213,723.00 American Underground, Schaumburg, IL $229,679.18 Suburban General Construction, La Grange Park, IL $231,160.00 LIFCO Construction, East Dundee, IL $240,400.00 DISCUSSION Staff has evaluated all bids and determined that all bids received are responsive to the request. All bidders submitted the required bid bonds and appropriate references. The apparent low bidder for the proposed spot relay work is Martam Construction of Elgin Illinois. Martam Construction is a very well known contractor and has worked on numerous Village projects in the past. They have met all the bid requirements and submitted the required bid bonds. Area references were contacted and all had good remarks for the company. Previous work for the Village has been timely, without issue and of high quality. Staff's estimated that the cost of the repairs for 2011 was approximately $200,000. Staff recommends the inclusion of a contingency in the award for this proposed contract due to the fact that the bid quantities are estimates and actual field measurements will vary. Also, during each year of the project, there have been 2 to 3 additional spot relays discovered during the CIPP process. The average cost per additional dig can be up to $10,000 and having a contingency would allow some additional work if needed. In this instance, staff is recommending a 10% contingency to the contract award in the amount of $21,372.30. The total recommended award would be $235,095.30 ($213,723.00 base award plus a 10% contingency of $21,372.30). Page 3 of 3 BID RESULTS FOR SEWER LINE SPOT RELAYS ($235,095.30) April 28, 2011 RECOMMENDATION I recommend awarding a contract for the 2011 Sewer Line Spot Relays to Martam Construction of Elgin, Illinois in an amount not to exceed $235,095.30. Sufficient funds for this proposed contract exist in the current budget. Funding for this proposed work will come from the water and sewer enterprise fund. Matt Overeem Superintendent Water & Sewer I concur. Sean P. Dorsey Director of Public Works H: \Water \projects\2011 \May32011 Board meeting \Spot Relays Board report 2011.doc CC: Village Clerk Lisa Angell