Opportunity timeline

PostedAug 24, 2026
DeadlineOct 22, 2026

In plain English

The Upper Occoquan Service Authority is seeking construction services for nitrogen-management and renewal improvements at the Millard H. Robbins, Jr. Regional Water Reclamation Plant in Centreville, Virginia. Work includes replacing eight screw pumps, upgrading RAS pumps, improving selector basins, replacing secondary clarifier mechanisms and electrical equipment, and related site piping and electrical work. The solicitation is available through eVA; responding requires a free eVA vendor sign-in.

About this opportunity

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…

Time remaining

Closes Oct 22, 2026

38Days
:
10Hours
:
43Min
:
56Sec

Related Opportunities

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Ref No.

BS-707FC7