Subject:
Title
Request to award Purchase Order for Engineering & Design Services to WSP USA Environment & Infrastructure, Inc. for the Bear Branch - Onondio Circle Stream Restoration Project.
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DATE(S) OF PRIOR COUNCIL CONSIDERATION OF THIS ISSUE:
July 8, 2024 Town Council approved award of RFP 24-16 for On-Call Environmental Professional Services to WSP USA Environment & Infrastructure, Inc.
Oct. 20, 2025 Town Council adopted the FY 2026 Capital Improvement Plan (CIP) which included this project.
EXPLANATION AND SUMMARY:
The Department of Public Works (DPW) requests Town Council approval to award a Purchase Order to WSP USA Environment & Infrastructure, Inc. in the amount of $429,801 for Design and Engineering Services for the Bear Branch - Southside Park Stream Restoration project (SLAF No 26-18).
Bear Branch, located between the W&OD Trail and Aponi Road, SE, is experiencing substantial erosion and stream bank failure. The Department of Public Works has initiated stream restoration projects along Bear Branch and is currently working with our on-call consultant WSP Environment & Infrastructure, Inc. on a preliminary riparian assessment of the 585 feet of stream and a preliminary concept design for this stream restoration project; which will address erosion issues and provide water quality improvements through reduced sedimentation runoff.
Financing for this project is fully funded by the Virginia Department of Environmental Quality (VDEQ) and Fairfax County. $800,000 in funding has been awarded through the VDEQ Quality Stormwater Local Assistance Fund (DEQ SLAF No 26-18); which is 50% of the estimated total project cost of $1,600,000. The remaining funds have been requested and will be provided by Fairfax County in accordance with the existing cooperative stormwater service district agreement. Town of Vienna DPW staff will lead and manage the project.
This project was requested by residents along this portion of Bear Branch. Staff have e...
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