Bid guide
How to bid on P2NR+ Construction for Upper Occoquan Service Authority
What the agency is buying
The Upper Occoquan Service Authority is seeking construction services for nitrogen management process improvements and renewal and replacement improvements at the Millard H. Robbins, Jr. Regional Water Reclamation Plant in Centreville, Virginia. This project involves significant upgrades to the plant's infrastructure.
Key work includes replacing eight screw pumps, upgrading two RAS pumps, improving selector basins, replacing secondary clarifier mechanisms and electrical equipment, and other related site piping and electrical work. This is an opportunity for construction firms to undertake a substantial public works project.
Key dates and what happens at the deadline
This Invitation for Bid (IFB) was published on August 24, 2026. The deadline for submitting your bid is October 22, 2026, at 10:00 AM ET. All bids must be submitted by this time.
It is important to complete your submission well before the deadline to account for any technical issues or unexpected delays.
Who this opportunity suits
This opportunity is suitable for construction firms with experience in water treatment plant infrastructure, particularly those with expertise in nitrogen management systems, pump station upgrades, clarifier mechanisms, and electrical equipment replacement.
The project's scope suggests a need for contractors capable of managing complex, multi-faceted construction work within an operational plant environment. Firms with a strong background in public utility infrastructure projects will find this relevant.
How to respond
To access the full solicitation documents, you will need to go to eVA, Virginia's eProcurement portal. The solicitation number is 127048. Viewing the posting is public and does not require an account.
To submit a response, you must sign in with a free eVA vendor account. Ensure you have an active account or create one well in advance of the deadline to avoid last-minute complications.
Practical tips for preparing a competitive response
Carefully review all sections of the Invitation for Bid, paying close attention to the detailed scope of work, specifications, and any required certifications or licenses. Ensure your firm meets all mandatory requirements.
Develop a clear and comprehensive bid that addresses every aspect of the project. Provide detailed cost breakdowns and demonstrate your firm's experience with similar projects, especially those involving water reclamation plants or complex infrastructure upgrades. Double-check all calculations and ensure your bid is free of errors before submission.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from Upper Occoquan Service Authority; the original posting controls.