New Hampshire Department of Environmental Services - V-Notch Weirs and Slide Gate Valve Installation - RFP DES 2026-12
New Hampshire Department of Environmental Services | State of New HampshireState · Concord, NH- Due
- Feb 20, 2026
- Deadline passed
- Posted
- Jan 28, 2026
- Contract term
- 1 year
- Primary contact
- Mark Corliss
- (603) 934-9926
The 30-second brief
The New Hampshire Department of Environmental Services (NHDES), Winnipesaukee River Basin Program (WRBP) is soliciting proposals for the removal of deteriorated V-Notch Weirs and installation of new fiberglass weirs in Gravity Thickener #1, along with the removal and replacement of a 36"x42" slide gate valve and concrete repairs in Channel #2 of the Headworks Building at the Franklin Wastewater Treatment Facility located at 528 River Street in Franklin, NH. The scope includes mobilization, elevation checks, weir installation, concrete and mortar repairs, gate valve replacement, flow diversion, confined space entry compliance, and site cleanup. Proposals are due by February 20, 2026, at 3:00 p.m. Contract award will be based on the lowest total cost for services from a qualified firm.
Removal of old metal V-Notch Weirs in Gravity Thickener #1, Installation of new WRBP-supplied fiberglass weirs, Removal of failed 36"x42" slide gate valve and installation of new Rodney Hunt stainless steel slide gate valve in Channel #2 of the Headworks Building, And concrete and mortar repairs.
Lowest total cost for services as depicted on Exhibit C from a qualified firm
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Summary
The New Hampshire Department of Environmental Services (NHDES), Winnipesaukee River Basin Program (WRBP) is soliciting proposals for the removal of deteriorated V-Notch Weirs and installation of new fiberglass weirs in Gravity Thickener #1, along with the removal and replacement of a 36"x42" slide gate valve and concrete repairs in Channel #2 of the Headworks Building at the Franklin Wastewater Treatment Facility located at 528 River Street in Franklin, NH. The scope includes mobilization, elevation checks, weir installation, concrete and mortar repairs, gate valve replacement, flow diversion, confined space entry compliance, and site cleanup.
Proposals are due by February 20, 2026, at 3:00 p.m. Contract award will be based on the lowest total cost for services from a qualified firm.
EVALUATION CRITERIA
Lowest total cost for services as depicted on Exhibit C from a qualified firm
REQUIRED DELIVERABLES
Removal of old metal V-Notch Weirs in Gravity Thickener #1, Installation of new WRBP-supplied fiberglass weirs, Removal of failed 36"x42" slide gate valve and installation of new Rodney Hunt stainless steel slide gate valve in Channel #2 of the Headworks Building, And concrete and mortar repairs.
REQUIRED ATTACHMENTS
3- Exhibit C - Costs and Terms of Payment
- Minimum of three references for similar work
- Confined Space Entry Certification
- Submit to
- Mark Corliss, WRBP Franklin WWTF, PO Box 68, Franklin, NH 03235 or 528 River St., Franklin NH 03235, or emailed to [email protected]
- Scope location
- Franklin, NH
- Reported agency
- Dept of Environmental Services-NH
Questions about this RFP
How do I respond to this RFP from New Hampshire Department of Environmental Services | State of New Hampshire?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is February 20, 2026. The solicitation specifies required deliverables that must be addressed in your response. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: Mark Corliss, WRBP Franklin WWTF, PO Box 68, Franklin, NH 03235 or 528 River St., Franklin NH 03235, or emailed to [email protected]. For questions, contact Mark Corliss.
Can small businesses or minority-owned firms bid on this RFP?
Most government agencies, including New Hampshire Department of Environmental Services | State of New Hampshire in NH, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the RFP submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Mark Corliss at (603) 934-9926. Questions and answers are typically shared with all prospective bidders.
What are the key deliverables?
The solicitation specifies the following deliverables: Removal of old metal V-Notch Weirs in Gravity Thickener #1, Installation of new WRBP-supplied fiberglass weirs, Removal of failed 36"x42" slide gate valve and installation of new Rodney Hunt stainless steel slide gate valve in Channel #2 of the Headworks Building, And concrete and mortar repairs.. Proposals should clearly address how each deliverable will be met.
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What are the evaluation criteria for this solicitation?
This solicitation includes specific evaluation criteria that will be used to score proposals. The criteria include: "Lowest total cost for services as depicted on Exhibit C from a qualified firm" Vendors should carefully align their proposals with each criterion to maximize their score.
Where can I find more RFPs from New Hampshire Department of Environmental Services | State of New Hampshire?
All active and historical solicitations from New Hampshire Department of Environmental Services | State of New Hampshire are tracked and searchable. As a state agency, New Hampshire Department of Environmental Services | State of New Hampshire regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
What is the contract term for this solicitation?
The anticipated contract term is 1 year. Contract terms may include renewal options.
What documents are required to bid on this RFP?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. This solicitation specifically requires the following attachments: Exhibit C - Costs and Terms of Payment, minimum of three references for similar work, Confined Space Entry Certification. Review the full document from New Hampshire Department of Environmental Services | State of New Hampshire for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Franklin, NH. Review the full solicitation for detailed scope requirements.