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Holmes Run Weir Diversion Structure February 2016
1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Holmes Run Weir Diversion Structure No. 417
Contract Number: CN15402009
Project Number: WW-000007-014
Mason District
February 17, 2016
2. Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
3. Project Details
Holmes 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.
4. 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
5. 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
6. Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
Installation of Adjustable Mechanical Weir
7. 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
8. Before After
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
9. Before After
Holmes Run Weir Diversion Structure No. 417
Capital Facilities/Utilities Design and Construction Division/Wastewater Design and Construction Branch
10. 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 711
SWPDmail@fairfaxcounty.gov