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Merrywood Force Main Rehabilitation Project

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The Merrywood Force Main Rehabilitation project included rehabilitation of 1,080 linear feet of 6-inch force main, its discharge manhole, and the installation of a future bypass system in front of the pump station.

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Merrywood Force Main Rehabilitation Project

  1. 1. A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Project No. WW-000008-006 Dranesville District Tax Map No. 31-2 January 2019 MERRYWOOD FORCE MAIN REHABILITATION
  2. 2. Project Details Merrywood Force Main Rehabilitation Capital Facilities/Wastewater Design and Construction Division Description: The Merrywood Force Main Rehabilitation project was substantially completed on January 4, 2019. This project included rehabilitation of 1,080 linear feet of 6 inch force main, its discharge manhole, and the installation of a future bypass system in front of the pump station. Project Overview: • Roughly 780-linear feet of force main was rehabilitated with Cured-In-Place-Pipe (CIPP) lining • Roughly 300-linear feet of lined force main had to be replaced with Ductile Iron Pipe due to a crack that formed on the lining during testing • A future emergency bypass system was installed at the pump station • The discharge manhole was rehabilitated with cementitious lining Project Team: • Tenzin Jigme, Wastewater Design and Construction Division • Robert White Jr., Wastewater Collections Division • Christopher Mata, Wastewater Design and Construction Division • Engineer: Rummel Klepper & Kahl, LLP (RK&K) • Contractor: Flippo Construction Company, Inc.
  3. 3. Merrywood Force Main Rehabilitation Capital Facilities/Wastewater Design and Construction Division 2700 Tintagel Road, Tax Map 31-2 Roughly 300-LF of FM replaced with Ductile Iron Pipe Relined sewer pipe
  4. 4. Merrywood Forcemain Rehabilitation Capital Facilities/Wastewater Design and Construction Division Pre-Existing Conditions Force Main Discharge Manhole Forcemain Merrywood Pump Station Merrywood Community Chain Bridge Road
  5. 5. Merrywood Force Main Rehabilitation Capital Facilities/Wastewater Design and Construction Division By-Pass Pumping Merrywood Pump Station By-pass Pumps By-pass Pipes
  6. 6. Merrywood Force Main Rehabilitation Capital Facilities/Wastewater Design and Construction Division During Lining Lining Pit Lining Process Lining Truck Lined Pipe
  7. 7. Before After Capital Facilities/Wastewater Design and Construction Division - Unlined Pipe - Lined Pipe Merrywood Force Main Rehabilitation Unlined vs. Lined Pipe
  8. 8. Before After Capital Facilities/Wastewater Design and Construction Division - Lining Pit - Restored Lining Pit Before and After Merrywood Force Main Rehabilitation
  9. 9. Additional Information For additional Information, please call www.fairfaxcounty.gov/publicworks Merrywood Force Main Rehabilitation Capital Facilities/Wastewater Design and Construction Division Matthew Kaiser, Public Information Officer 703-324-8455, TTY 711 Matthew.Kaiser@fairfaxcounty.gov

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