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City of Tukwila <br />Public Works Department - Henry Hash, Director <br />INFORMATIONAL MEMORANDUM <br />Allan Ekberg, Mayor <br />TO: Transportation and Infrastructure Committee <br />FROM: Henry Hash, Public Works Director //, <br />BY: Peter Lau, Senior Program Manager <br />CC: Mayor Allan Ekberg <br />DATE: May 11, 2018 <br />SUBJECT: 42nd Avenue South Phase III & Gilliam Creek Culvert Replacement Projects <br />Project Nos. 99410303 & 99341208 <br />Construction Management Supplemental Agreement No. 1 with AECOM Technical Services, Inc. <br />ISSUE <br />Approve Supplemental Agreement No. 1 to Consultant Contract No. 17-085 with AECOM Technical Services, Inc. <br />BACKGROUND <br />Contract No, 17-085 with AECOM provides construction management (CM) services for the 42nd Avenue South <br />Phase III and Gilliam Creek Culvert Replacement Projects. <br />DISCUSSION & FISCAL IMPACT <br />Supplemental Agreement No. 1 will allow AECOM to continue to provide construction engineering, inspection, <br />documentation compliance support, and material testing until the end of 2018. The construction project is currently <br />anticipated to be completed by the end of 2018. The fee of $791,270.00 is reasonable for the scope of work provided <br />by AECOM to complete this complex project. <br />CH2M Hill Design <br />Design <br />$1,563,995 <br />CM <br />AECOM Original CM Consultant Contract $ 977,154 <br />AECOM Supplemental No. 1 791,270 <br />CH2M Hill Supplemental No. 7 & 8 79,272 <br />AKANA Consultant Contracts 39,600 <br />WSDOT JA Agreement 9753 10,000 <br />Active Construction Contract 17-090 6,827,799 6,933,000 <br />Active Construction Change Order #1 & #2 916,864 1,008,000 <br />Storm Water Budget Amendment 1,000,000 <br />Total $1 563 995 $1,897,296 $7,744,663 <br />Grand Total $11,205,954 $11,774,000 <br />Construction Budget <br />$1,611,000 <br />1,222,000 <br />RECOMMENDATION <br />Council is being asked to approve Supplemental Agreement No. 1 to Contract No. 17-085 with AECOM in the amount <br />of $791,270.00 for the 42nd Ave S Phase III and Gilliam Creek Culvert Replacement Projects and consider this item on <br />the Consent Agenda at the May 21, 2018 Regular Meeting. <br />Attachments: 2017 CIP, pages 2 & 100 <br />Supplemental Agreement No. 1 <br />W:1PW EngIPROJECTSIA- RW 8 RS Projects142nd Ave S Phase III (99410303 94-RS03)1ConstrucfionW.100 - Contract DocumentslAECOMIInfo Memo for AECOM Sup #1, 051118 gl.docx <br />43 <br />