Subject:
Title
Approve MOU with Fairfax County and Award a Design Contract to Stantec for a Wolftrap Creek Stream Restoration Phase II Project.
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EXPLANATION AND SUMMARY:
Wolftrap Creek, located upstream of Follin Lane SE to the Town boundary, is experiencing major erosion and stream bank failure. In October 2013, Town Council approved a cooperative agreement with Fairfax County to share stormwater service district fees. In November 2014, Vienna applied for and has been awarded a Virginia DEQ Stormwater Local Assistance Fund (SLAF) grant for a stream restoration project along this stretch of Wolftrap Creek. A Memorandum of Understanding Agreement with Fairfax County for this project is attached for Council review and approval. Town DPW staff will lead and manage the project and Fairfax County staff has pledged support with plan and construction bid review if requested. The total project cost estimate is $890,000 and will be funded by $445,000 from the grant and $445,000 from Fairfax County stormwater funds.
Engineering design proposals for the project were requested on February 18, 2015 and a total of 9 proposals were received. Of the proposals received, 4 firms were selected to present more details of the proposals to a 3-person review/interview panel. The most qualified firm was determined to be Stantec. The attached fee proposal, not to exceed $228,635, was received by Stantec, then reviewed and negotiated. In general, the scope of the proposal includes: natural and cultural resource studies, Federal and State permitting, survey and design fees, utility coordination, public meetings, pre-bid and pre-construction meetings, construction oversight, and as-built survey. The proposal also offers various optional services including subsurface evaluations and photo monitoring. DPW staff recommends approving the base proposal fee of $228,635 under RFP 15-03 and consider the optional tasks if needed in the future.
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