eVA - Virginia eProcurement Marketplace · Invitation for Bids (IFB)

UOSA IFB 27-02 P2NR+ Construction

  • Verified from source 1 day ago
  • Updated 8 days ago
  • Amendment detected
Agency
Upper Occoquan Service Authority
Type
Invitation for Bids (IFB)
Kind
contract
Posted
Aug 24, 2026
Place
14631 Compton Rd, Centreville, VA 20121
Source
eVA - Virginia eProcurement Marketplace
First seen
Aug 26, 2026, 6:44 PM UTC

Full scope

The project generally consists of nitrogen management process improvements andcomplementary Renewal and Replacement (R/R) improvements at the Millard H.Robbins, Jr. Regional Water Reclamation Plant (RWRP). Major work includesreplacement of eight (8) screw pumps at Primary Effluent Lift Stations (PELS) 55/1and 55/2; upgrade of two (2) RAS pumps and increased pumping capacity at RASPump Station 9/1; and cyclone/settleability improvements at Selector Basins 56/1–56/3 and 56/4–56/7; replacement of secondary clarifier mechanisms for SecondaryClarifiers 6/5 and 6/6; replacement of electrical eq…

Description

The project generally consists of nitrogen management process improvements andcomplementary Renewal and Replacement (R/R) improvements at the Millard H.Robbins, Jr. Regional Water Reclamation Plant (RWRP). Major work includesreplacement of eight (8) screw pumps at Primary Effluent Lift Stations (PELS) 55/1and 55/2; upgrade of two (2) RAS pumps and increased pumping capacity at RASPump Station 9/1; and cyclone/settleability improvements at Selector Basins 56/1–56/3 and 56/4–56/7; replacement of secondary clarifier mechanisms for SecondaryClarifiers 6/5 and 6/6; replacement of electrical equipment in Load Center No. 1 andLoad Center No. 8; replacement of a primary sludge pump in Primary Sludge PumpStaton 54/2; and other R/R improvements associated with the Primary Effluent PumpStations, Aeration Basins, Secondary Clarifiers, Return Activated Sludge PumpStations, Secondary Effluent Collection Box, Primary Sludge Pump Stations,Selector Basins and associated pipe galleries, Biofoam Pump Station, SecondaryClarifier Dewatering Pump Station, Aeration Basin Dewatering Pump Station ValveVault, Mixed Liquor Splitter Box, Load Center No. 1, Load Center No. 8, BlowerBuilding, and miscellaneous site piping and site electrical items.

Documents

Contacts

Full record synced 8 days ago from eVA public detail