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West 78th Street Water Main Extension Project: Approve Resolution Accepting Bids and Awarding ContractCITY OF CUMNSFN 7700 Market Boulevard PO Box 147 Chanhassen, MN 55317 Administration Phone: 952.227.1100 Fax: 952.227.1110 uilding Inspections Phone: 952.227.1180 Fax: 952.227.1190 Engineering Phone: 952.227.1160 Fax: 952.227.1170 Finance Phone: 952.227.1140 Fax: 952.227.1110 Park & Recreation Phone: 952.227.1120 Fax: 952.227.1110 Recreation Center 2310 Coulter Boulevard Phone: 952.227.1400 Fax: 952.227.1404 Planning & Natural Resources Phone: 952.227.1130 Fax: 952.227.1110 Public Works 7901 Park Place Phone: 952.227.1300 Fax: 952.227.1310 Senior Center Phone: 952.227.1125 Fax: 952.227.1110 MEMORANDUM TO: Todd Gerhardt, City Manager 0FROM: Paul Oehme, Public Works Director/City Engineer DATE: May 23, 2016 SUBJ: West 78th Street Water Main Extension Project No. 14-07: Award of Bid PROPOSED MOTION "The City Council approves a construction contract in the amount of $220,596.06 to GM Contracting, Inc. for work to be performed on the above - referenced project." City Council approval requires a simple majority vote of the City Council present. BACHGROUND Dogwood Road and Beacon Court area is built out and is at the end of a long water main. During high flow events, such as hydrant flushing, this area has experienced some water hammers that can cause hot water valves to open, leading to damage inside the properties. This project will provide a secondary connection into the city's water system for the area, creating a loop. This loop connection will provide several benefits: 1. Minimize the water hammer problem by equalizing the water flow through the loop. 2. Provide a redundant water source for the area. This will allow the city to better maintain properties' water service during maintenance operations or emergency water main breaks. 3. Improve water circulation in this area, which will reduce sediment settling in the lines thereby improving the appearance of the water and reducing the frequency of hydrant flushing required. This project consists of the construction of approximately 2,100 LF of 10" HDPE Website www.ci.chanhassen.mn.us (High Density Poly Ethylene) water main along West 78th Street from Beacon Court to Trunk Highway 41 (see attached location map). MnDOT requires a 16" HDPE casing pipe under Trunk Highway 41. The water main extension will provide a second connection for water service in the Tanadoona Drive/Dogwood Road/Beacon Court area. Chanhassen is a Community for Life - Providing for Today and Planning for Tomorrow Todd Gerhardt, City Manager West 78th Street Water Main Extension Project No. 14-07 May 23, 2016 Page 2 BIDS Bids for the project were opened on Wednesday, May 4, 2015 at 2:00 p.m. Five sealed bids were submitted. The bids received are as follows: Bidder Total Bid GM CONTRACTING, INC. $220,596.06 ELLINGSON DRAINAGE, INC. $233,376.00 G.F. JEDLICKI, INC. $39_4,725.00_ G.L. CONTRACTING INC. $265,891.98 VALLEY RICH CO., INC $240,876.00 The engineers estimate was $233,679. GM Contracting, Inc. has completed previous projects for the City of Chanhassen, and their past work has been acceptable. The project has tentative start date in June 2016, and substantial completion date shall occur within 25 working days. Final completion shall be no later than November 18, 2016. Staff will notify the property owners in the area prior to the start of construction with a project time line. This project was budgeted for 2016 in the CIP Project W-055. Funding for the project is proposed from the water utility fund. The property owners along West 78th Street are not planned to be assessed for the project. ATTACHMENTS 1. Resolution. 2. CIP Page. 3. Project Area Map. c: Stephanie Smith, Project Engineer Kevin Crooks, Utility Superintendent GM Contracting, Inc. g:\eng\public\_2010-2015 public projects\_2014 projects\14-07 w 78th st watennain ext\conununication\160523_cc_award construction contract.doc CITY OF CHANHASSEN CARVER AND HENNEPIN COUNTIES, MINNESOTA DATE: May 23, 2016 RESOLUTION NO: 2016 -XX MOTION BY: SECONDED BY: A RESOLUTION ACCEPTING BIDS AND AWARDING A CONTRACT FOR THE W. 78TH STREET WATER MAIN EXTENSION (TH 41 TO BEACON COURT) PROJECT NO. 14-07 WHEREAS, bids were received, opened and tabulated for the W. 78th Street Water Main Extension Project. The following bids were received: Bidder Total Bid Ellingson Drainage, Inc. $233,376.00 G.F. Jedlicki, Inc. $394,725.00 G.L. Contracting Inc. $265,891.98 GM Contracting, Inc. $220,596.06* Valley Rich Co., Inc. $240,876.00 *Low Bidder AND WHEREAS, GM Contracting, Inc. submitted the lowest responsible bid with a total bid amount of $220,596.06. NOW THEREFORE, BE IT RESOLVED by the Chanhassen City Council: The mayor and clerk are hereby authorized and directed to enter into a contract with GM Contracting, Inc. in the name of the City of Chanhassen for the W. 780h Street Water Main Extension Project according to the plans and specifications therefore approved by the City Council and on file in the office of the city clerk. 2. The city clerk is hereby authorized and directed to return forthwith to all bidders the deposits made with their bids, except that the deposits of the successful bidder and the next lowest bidder shall be retained until a contract has been signed. Passed and adopted by the Chanhassen City Council this 23`d day of May, 2016. ATTEST: Todd Gerhardt, City Manager Denny Laufenburger, Mayor YES NO ABSENT Capital Improvement Program 2016 thru 2020 City of Chanhassen, MN Project # W-055 Project Name 78th Street Watermain Loop Improvements Department Water System Improvements Contact Paul Oehme Type Improvement Useful Life Category Utilities Account #1 700-7025 Account #3 Priority n/a Account#2 Account#4 Description Total Project Cost: $250,000 This project will extend an 8" watermain on 78th Street from TH 41 west to the Arbor's development, Justification I The Arbor's development is fully built out and water for this area is served by a trunk watermain on Tanadoona Drive. This development has a long service area which is currently not looped. During high flow events such as hydrant flushing this area can experience water hammers that can cause hot water heater valves to open. This can lead to damage in the properties. To eliminate the water hammer problem the best solution is to loop the watermain to TH 41. Expenditures 2016 2017 2018 2019 2020 Total Construction 250,000 250,000 Total 250,000 250,000 Funding Sources 2016 2017 2018 2019 2020 Total Water Utility Fund 250,000 250,000 Total 250,000 250,000 Impact/Other HIR LOCATION MAP #14-07 West 78th Street Water Main Extension ;�: .