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City of Tukwila <br />Allan Ekberg, Mayor <br />INFORMATIONAL MEMORANDUM <br />TO: Transportation and Infrastructure Committ e <br />FROM: Bob Giberson, Public Works Director If <br />BY: Cyndy Knighton, Senior Program Manager <br />CC: Mayor Ekberg <br />DATE: May 19, 2017 <br />SUBJECT: 42nd Avenue S Phase III (Southcenter Blvd to S 160th St) <br />Project No. 99410303 <br />Interlocal Agreement with Valley View Sewer District <br />ISSUE <br />Approve an Interlocal Agreement (ILA) with Valley View Sewer District (Valley View) for reimbursement of costs <br />for sewer relocation work to be constructed by Active Construction, Inc. for the 42nd Avenue S Phase III project. <br />BACKGROUND <br />In February 2012, CH2M Hill began design work on a project that combined the 42nd Ave S Phase III <br />(Southcenter Blvd to S 160th St) roadway improvements and the Gilliam Creek culvert replacement project. The <br />projects included significant coordination with outside utility providers. Valley View Sewer District has designed <br />sewer relocations to accommodate the City's roadway project and the project was bid with a separate schedule <br />for the Valley View sewer work. <br />ANALYSIS <br />The 42nd Avenue S Phase III project has been awarded to Active Construction, Inc. and bid schedule D includes <br />all the work designed by Valley View for the required sewer relocation. The attached ILA provides the necessary <br />mechanism for Tukwila to complete the construction of the Valley View sewer work and get reimbursed for the <br />costs. The ILA includes reimbursement to Tukwila for the actual construction work as well as a percentage of <br />the construction cost (8 %) to offset construction management (CM) costs. The typical 8 -10% of CM costs is not <br />used because Tukwila is not responsible for inspection of the sewer installation as Valley View is providing <br />staffing for inspections. <br />FINANCIAL IMPACT <br />Ultimately there is no financial impact to Tukwila for the ILA. The contractor will be paid using Tukwila funds, but <br />the sewer relocation costs are fully reimbursed to the City. Actual costs, once known, are what will be charged <br />to Valley View and not the estimated costs included in the agreement language. The anticipated maximum <br />reimbursement to Tukwila is $404,648.23, which includes a 20% contingency. There are provisions for more <br />should it become necessary, although Valley View approval would be required. <br />RECOMMENDATION <br />Council is being asked to approve the Interlocal Agreement with Valley View Sewer District for the 42nd Ave S <br />Phase III Project and consider this item on the Consent Agenda at the June 5, 2017 Regular Meeting. <br />Attachments: Interlocal Agreement between City of Tukwila and Valley View Sewer District <br />WAPW Eng \PROJECTS\A- RW & RS Projects \42nd Ave S Phase III (99410303 94 -RS03) \Construction \#.200 - Correspondence \005 - Utility & Interlocal Coordination \INFO MEMO - ILA with Valley View sm.dou 7 <br />