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1c. Approve Quote for Well No. 8 Rehabilitation CITY OF CHANHASSEN 7700 Market Boulevard PO Box 147 Chanhassen, MN 55317 Administration Phone: 952.227.1100 Fax: 952.227.1110 Building 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 1591 Park Road Phone: 952.227.1300 Fax: 952.227.1310 Senior Center Phone: 952.227.1125 Fax: 952.227.1110 Web Site www.ci.chanhassen.mn.us ic:.. -- MEMORANDUM TO: Todd Gerhardt, City Manager FROM: Paul Oehme, Director Public Works/City Engineer Q 0 . DATE: February 23, 2009 ~"'n5 SUBJECT: Approve Quote for Well #8 Rehabilitation; Project No. 97-4-2 PROPOSED MOTION "The City Council is recommended to accept the quotes for Well #8 Rehabilitation, City Project 97-4-2 and award the base bid quote in the amount of $36,225.00 to Bergerson Caswell, Inc. City Council approval requires a simple majority vote of the City Council present. " BACKGROUND Annually the City inspects and performs routine maintenance on City wells. Well equipment is recommended to be serviced approximately every eight years to extend the life of the pumps and motors. Also, these projects are necessary to decrease the likelihood of costly emergency repairs and supply interruptions. The Well Rehabilitation Program identifies the rehabilitation of Well #8 this year. Well #8 is located on TH 41 east of the Minnewashta Regional Park. This well has not had major service completed on it for 10 years. The project includes lowering the pump set in the aquifer an additional 40'" The lowering of the pump compensates for the lower aquifer levels. QUOTES Staff solicited quotes from three qualified well drilling companies. Quotes received for the work on Well #8 were tabulated; no errors were found in the bid tabulation. Two alternates were included in the solicitation. Alternate 1 is to replace and furnish a new pump bowl ass.embly in case the bowl assembly exhibits a significant amount of wear after inspection. Alternate 2 is to bail and remove sand from the open well hole. Staff does not think the City will need either Alternate 1 or 2 at this time; however, this work was included in the solicitation in case the scope of work needs to be changed after inspection of the open hole and pump. The City of Chanhassen · A growing community with clean lakes, quality schools, a charming downtown, thriving businesses, winding trails, and beautiful parks. A great place to live, work, and play. G:\ENGIPUBLIC\_2009 Projects\97-4-2 Well #8 RehabilitationlAccept well rehab quote well #8.doc Todd Gerhardt February 23, 2009 Page 2 of2 The quotes received are summarized as follows: Ber erson-Caswell, Inc. $36,225.00 E.H. Renner & Sons $41,375.00 Traut Wells, Inc. $47,075.00 $7,000.00 $11,875.00 *Note: Alternates are not recommended to be awarded at this time. $50,525.00 $56,275.00 $65,950.00 Bergerson-Caswell, Inc. has completed previous well work projects for the City of Chanhassen including last year's well rehabilitation work to Well #7. Bergerson-Caswell, Inc.' s past work has been acceptable. Work is scheduled to be completed this winter before high summer water demands. Funding for the rehabilitation of Well #8 was budgeted in the 2009 CIP W-032. Attachment: CIP Page c: / Kevin Crooks, Utility Superintendent Capital Improvement Program , City of Chanhassen, MN Project # W-032 Account # 3 2009 thru 2013 Contact Paul Oehme Department Water System Improvements Type Improvement Useful Life Unassigned Category Utilities Priority nla Total Project Cost $225,000 Description This program annually inspects and performs regular maintenance of the City's wells. Well pumps are recommended to be serviced every 8 years. It is recommended that the following pumps and motors be pulled and inspected for wear: 2009 - Well #8 2010 - Well #5 2011 - Well #4 2012- Well #10 2013 - Well #11 Justification , To extend the life and ensure reliability of the City's well fields. Performing regular maintenance will extend the life of well components, reduce emergency calls and have a more reliable water supply system. Project Name Well Rehabilitation Program Account # 1 700-0000-4530 Account #2 Expenditures Maintenance 2009 45,000 Total 45,000 Funding Sources Water Utility Fund 2009 45,000 Total 45,000 Operational Impact/Other 2010 2011 45,000 45,000 45,000 45,000 2010 45,000 45,000 2011 45,000 45,000 134 2012 45,000 2012 45,000 45,000 2013 Total 225,000 225,000 45,000 45,000 , 45,000 2013 Tot~l 225,000 225,000 45,000 45,000,