New Hampshire Department of Environmental Services - Siphon Cleaning Services - RFP DES 2026-16 (2026)
New Hampshire Department of Environmental Services | State of New HampshireState · Concord, NH- Due
- Apr 17, 2026
- Deadline passed
- Posted
- Mar 23, 2023
- Contract term
- 3 years
- 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 siphon cleaning services, including pressure washing and flushing of inverted siphon pipes (sizes 6 to 12 inches), grit removal from raw and degritted septage tanks, stormwater catch basin vactoring, and cleaning of influent channels at the Winnisquam Pump Station in Laconia, NH. The work involves semi-annual cleanings across multiple locations including Senior Haven, NH Route 140 over Tioga River, Franklin Wastewater Treatment Plant, and Winnisquam Pump Station, plus a one-time catch basin cleaning at the Franklin WWTF. The submission deadline is April 17, 2026, at 2:00 PM. Basis of award is the lowest total price submitted from a qualified firm based on scheduled service work and unscheduled vactor services.
Semi-annual cleaning of two inverted siphons; semi-annual grit removal from one raw septage tank and one degritted septage tank; semi-annual vactoring of storm water catch basins; semi-annual cleaning of influent channels at Winnisquam Pump Station; one-time cleaning of ten catch basins at the wastewater treatment facility in Franklin; unscheduled vactor services
Lowest total price 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 siphon cleaning services, including pressure washing and flushing of inverted siphon pipes (sizes 6 to 12 inches), grit removal from raw and degritted septage tanks, stormwater catch basin vactoring, and cleaning of influent channels at the Winnisquam Pump Station in Laconia, NH. The work involves semi-annual cleanings across multiple locations including Senior Haven, NH Route 140 over Tioga River, Franklin Wastewater Treatment Plant, and Winnisquam Pump Station, plus a one-time catch basin cleaning at the Franklin WWTF. The submission deadline is April 17, 2026, at 2:00 PM. Basis of award is the lowest total price submitted from a qualified firm based on scheduled service work and unscheduled vactor services.
EVALUATION CRITERIA
Lowest total price from a qualified firm
REQUIRED DELIVERABLES
6- Semi-annual cleaning of two inverted siphons
- Semi-annual grit removal from one raw septage tank and one degritted septage tank
- Semi-annual vactoring of storm water catch basins
- Semi-annual cleaning of influent channels at Winnisquam Pump Station
- One-time cleaning of ten catch basins at the wastewater treatment facility in Franklin
- Unscheduled vactor services
REQUIRED ATTACHMENTS
7- Exhibits A, B, and C
- At least three recent references for comparable work
- Confined Space Certification
- Corporate Resolution
- Certificate of insurance
- Certificate of Good Standing from NH Secretary of State
- State of NH vendor code application and W-9
REQUIRED STAFFING
2-men and Vactor truck at regular and overtime hourly rates
- Submit to
- Department of Environmental Services, Franklin Wastewater Treatment Plant, P.O. Box 68, 528 River Street, Franklin, NH 03235 or email to [email protected]
- Duration
- 36 months
- Scope location
- Franklin, NH
- Reported agency
- State of New Hampshire
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 April 17, 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: Department of Environmental Services, Franklin Wastewater Treatment Plant, P.O. Box 68, 528 River Street, Franklin, NH 03235 or email 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 staffing is required for this project?
This solicitation outlines specific staffing requirements. The required roles include: 2-men and Vactor truck at regular and overtime hourly rates. Proposers should demonstrate relevant qualifications and experience for each required role.
What are the key deliverables?
The solicitation specifies the following deliverables: Semi-annual cleaning of two inverted siphons; semi-annual grit removal from one raw septage tank and one degritted septage tank; semi-annual vactoring of storm water catch basins; semi-annual cleaning of influent channels at Winnisquam Pump Station; one-time cleaning of ten catch basins at the waste. Proposals should clearly address how each deliverable will be met.
Show 5 more questions
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 price 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 3 years. 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: Exhibits A, B, and C; at least three recent references for comparable work; Confined Space Certification; Corporate Resolution; certificate of insurance; Certificate of Good Standing from NH Secretary. Additionally, proposals should address staffing requirements as outlined in the solicitation. 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.