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City of Tukwila <br />Allan Ekberg, Mayor <br />Public Works Department - Henry Hash, Director <br />INFORMATIONAL MEMORANDUM <br />TO: Transportation and Infrastructure Committee <br />FROM: Henry Hash, Public Works Director it - <br />BY: Mike Cusick, Senior Program Manager <br />CC: Mayor Ekberg <br />DATE: April 6, 2018 <br />SUBJECT: Water Reservoir and Pump Station <br />Project No. 91240102 <br />Consultant Agreement <br />ISSUE <br />Approve a new consultant agreement with Carollo Engineers (Corollo) to complete the Water <br />Reservoir and Pump Station Study. <br />BACKGROUND <br />On November 21, 2017, Contract No. 17-199 with Carollo was issued to study the possibility of <br />Tukwila using extra capacity in Highline Water District's Crestview Reservoir. Tukwila must meet <br />the Washington State Department of Health's requirement for additional water storage. Using <br />excess capacity in an existing reservoir instead of Tukwila building a new reservoir was the focus <br />of the Water Reservoir and Pump Station Study. <br />DISCUSSION <br />Carollo needs additional time to complete the study due to scheduling issues. The original contract <br />with Carollo expired in February 2018 and staff was unable to process a supplemental agreement <br />before the expiration date. A new contract with the same consultant is necessary in this instance <br />instead of a supplemental agreement. <br />FINANCIAL IMPACT <br />There will be no new financial impact to the design budget as the new agreement will use the <br />remaining funds. <br />Water Reservoir and Pump Station Study <br />Carollo Engineers <br />Agreement 2018 Budget <br />$46,070.00 $50,000.00 <br />RECOMMENDATION <br />Council is being asked to approve the new consultant agreement with Carollo Engineers for the <br />Water Reservoir and Pump Station Study in the amount of $46,070.00 and consider this item on <br />the Consent Agenda at the April 16, 2018 Regular Meeting. <br />Attachments: 2017 CIP, Page 71 <br />Carollo Consultant Agreement with Scope of Work <br />W:\PW Eng\PROJECTSW- WT Projects\Water Reservoir Siting Study (91240102)\Info Memo Carollo Reservoir Study 031918.docx <br />