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T{]: <br />FROM <br />BY: <br />CC: <br />DATE: <br />City of Tukwila <br />Public Works Department -Bob Giberson, Director <br />Transportation and Infrastructure C <br />Bob Gibermom, Public Works [NrecYor <br />Peter Lau, Senior Program Manager <br />May 5~2017 <br />SUBJECT: 42 nd Avenue South Phase III & Gilliam Creek Culvert Replacement Proiects <br />Project Nos-99410303&993412Q8 <br />Supplemental Agreement No. 7 with CH2M HILL Engineers, Inc. <br />ISSUE <br />Aoo[OVe Supplemental Agreement NO. 7k) Consultant Contract N0. 12-010 with CH2M HILL <br />Engineers, Inc. (CH2M) for construction management support services. <br />BACKGROUND <br />Contract No. 12-01O with CH2K4 provided design engineering services for the 42» Avenue South <br />Phase III and Gilliam Creek Culvert Replacement Projects. COUOCi|8VV8ndedtheCODGLrUCU0nCOOL[8Ct <br />k} Active Construction, Inc. OO May 1.2O17. Supplemental Agreement No. 7 with CH2M'the Designer <br />OD Record (D[)F\). will provide construction management (CM) support during the construction phase <br />8|ODQ with AEC[)M l-UChDiC8| Services, Inc. /AEC{}K8\. <br />DISCUSSION <br />To properly manage this construction project, UlRChvviUD88dC&4GUpp0rtfK}DldlHDORdUhDgUl8 <br />construction phase. Through Supplemental Agreement No. 7.CH2M staff will provide responses k}the <br />contractor's requests for information and submittal reviews. Tukwila CK8 staff and AECC)K8 will provide <br />the majority of the C|M work and field inspections. <br />FISCAL IMPACT <br />CH2M`s Supplemental Agreement No. 7 was carefully reviewed and iG reasonable for the scope Of <br />CM Expense CM Bud-get <br />(}H2K8 Hill Supplement No. 7 $ 50,267'26 <br />AECOM CM Contract 977,154.00 <br />42»u Avenue South Phase ||| $1.072,000.00 <br />Gilliam Creek Culvert Replacement 0.00 150,000.00 <br />Total $1,027,421.26 $1,222.000-00 <br />Council kS being asked iO approve Supplemental Agreement No. 7iO Contract No. 12-01O with CH2&0 <br />iD the amount Of$5O,287.28 for the 42»« Avenue South Phase III and Gilliam Creek Culvert <br />Replacement Projects 8DdCDDGid8rthiSite0OOthSCOOSeOtAgBDd88ttheM8V15'2O17R8gU|8[ <br />Attachments: Pages u and 1nn.oV1rC|P <br />CH2M Hill's Supplemental Agreement No. 7 <br />WAPW EngTRCJECTS\A- RW & RS Projects\42nd Ave o Phase m(99410303 94-RS03)\Construction\#.100 -oontract Documents\CH2M HiMInfo Memo CH2M CM Sup #7 050517 GI.Docx <br />5 <br />