R2017-98 Professional Services Agreement with ADS Environmental Services to Perofrm the Water Distribution Leak Detection Survey Project CP 2017-39

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PUBLIC WORKS MEMORANDUM NO.2017-49 DATE: July 28,2017 TO: Honorable Mayor Julie Moore Wolfe and City Council Members FROM: Tim Gleason, City Manager Richard G. Marley, P.E.,Public Works Director SUBJECT: Resolution to Approve Professional Services Agreement with ADS Environmental Services to Perform the Water Distribution Leak Detection Survey Project, City Project 2017-39 SUMMARY RECOMMENDATION: It is recommended that the City Council approve the attached Resolution authorizing the Mayor to sign, and the City Clerk to attest, to a Professional Services Agreement between the City of Decatur and ADS Environmental Services to provide professional services for the Water Distribution Leak Detection Survey Project for a total not to exceed fee of$101,872.80. The project amount includes $14,400 for 9 emergency leak call-outs for ADS staff to travel to Decatur to find system leaks that are difficult to locate. The agreement is for a period of 3 years beginning in August 2017 and ending on December 31, 2019, for a total cost not to exceed $101,872.80. BACKGROUND: ADS Environmental Services has provided the City with cost effective leak detection services since 2008 with the last one completed in 2016. The total water distribution system has been surveyed 3 times over a 9 year period that identified 255 leaks totaling 3,326,000 gallons per day. Surveys results were: Cost for Surveys $265,325 Cost to Repair leaks $228,067 Annual Water Savings Value $3,339,786 Return on Investment(ROI) 676% Annual savings per each $1 spent on surveys and repairs $6.76 Due to the overwhelming operational and financial success of the previous nine years of surveys, and the fact that new leaks can develop at any time, City staff recommends that another survey be undertaken, beginning August 2017,through December 31, 2019. Request for Proposals (RFP) The City of Decatur advertised a Request for Proposals on April 21, 2017 to provide professional services to perform leak detection services on approximately 500 miles of water main that includes - 1-