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A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Holmes Run Weir Diversion Structure No. 417Contract Number: CN15402009Project Number: WW-000007-014Mason District
February 17, 2016
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Project DetailsHolmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Project Overview: Excavation of diversion structure and removal of it’s concrete roof. Installation of mechanical weir. Installation of new precast concrete roof and weir actuator.
Project Team: Wastewater Collection Division – Jonathan Okafor Wastewater Collection Division – Bobby White, Jr. Utilities Design and Construction Division – Brendan Schillo, P.E.
Description:Holmes Run Weir Diversion Structure No. 417 was substantially completed on March 2, 2016. This project increases efficiency of the wastewater sewer system during extreme weather in the Lake Barcroft area. This is accomplished by the installation of a mechanical, adjustable weir in the wastewater diversion structure at the Holmes Run Pump Station that allows for greater control of downstream wastewater flow to the sewer system around Lake Barcroft.
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Mason District – Tax Map No. 60-4
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Excavation and Removal of Diversion Structure Roof
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Installation of Adjustable Mechanical Weir
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
New Pre-Cast Concrete Roof for Diversion Structure
Before After
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Before After
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Additional Information
For additional Information, please call
www.fairfaxcounty.gov/dpwes
S. Van Dorn Sanitary Sewer Emergency Replacement and Stream Restoration
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Irene Haske Public Information Officer
703-324-5821, TTY [email protected]
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