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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 <br />BY: Steve Carstens, Senior Program Manager <br />CC: Mayor Ekberg <br />DATE: June 22, 2018 <br />SUBJECT: Annual Bridge Inspections and Repairs 2018 <br />Project No. 91810402 and 91710406, Contract No. 18-056 <br />Design Consultant Supplement No. 1 <br />ISSUE <br />Approve Supplement No. 1 to Contract No. 18-056 with TranTech Engineering, LLC for the repair of the <br />S 196th/200th St Bridge as part of the Annual Bridge Inspections and Repairs. <br />BACKGROUND <br />The City has been monitoring the S 196th/200th St Bridge for settlement on the west end of the bridge <br />structure. Upon a recent inspection, it was noted the settlement had increased to three inches. This <br />settlement now requires action to be taken by the City to remedy the issue. <br />ANALYSIS <br />TranTech Engineering will provide full Plans, Specifications, and Engineering estimate to complete the <br />work for the project. Once design is complete, bids are estimated to be advertised with construction <br />scheduled for September 2018. <br />FISCAL IMPACT <br />TranTech has provided a cost not to exceed $20,000.00 to perform the final design as part of the 2018 <br />Annual Bridge Inspections and Repairs Project. The project costs are within budget. <br />Design Repair Services (original) <br />Design Supplement No. 1 <br />2018 Bridge <br />Contract Budget <br />$39,950.00 $335,000.00 <br />20, 000.00 0.00 <br />$59,950.00 $335,000.00 <br />RECOMMENDATION <br />Council is being asked to approve Supplement No. 1 to Contract No. 18-056 with TranTech <br />Engineering for the S 196th/200th St Bridge Repairs as part of the 2018 Annual Bridge Inspections and <br />Repairs Project in the amount of $20,000.00 and consider this item on the Consent Agenda at the <br />July 2, 2018 Regular Meeting. <br />Attachment: Consultant Agreement for Engineering Services <br />W:1PW Eng1PROJECTSIA- RW 8 RS Projects\S 196th -200th St Bridge Repair (91710406)101 - Preliminary EngineeringlInfo Memo Trantech 20180622 gl sm.docx <br />65 <br />