rfb-des-2026-21.pdf

April 30, 2026

Invitation to Bid

Lake Kanasatka Watershed-Based Management Plan Implementation, Burton/Foster Stormwater Improvements Project, Moultonborough, NH

The Lake Kanasatka Watershed Association (LKWA) invites interested contractors to submit a lump sum proposal for the construction of drainage and road improvements to the intersection of Burton Road and Foster Drive that will significantly reduce the sources of phosphorus discharge and stormwater runoff from this area into Lake Kanasatka.

This project is partially funded by a grant from the NH Department of Environmental Services (NHDES) through the

Watershed Assistance Section with Clean Water Act Section 319 funds from the US Environmental Protection Agency

(EPA).

The construction work must conform to the plans and specifications noted on the Burton/Foster Stormwater

Improvements Project Construction Plans dated March, 2026, the accompanying Technical Specifications dated

March 25, 2026, and the Shoreland Protection Permit by Notification (PBN) dated January 20, 2026. All work must be completed per the construction notes outlined on the Construction Plans and Technical Specifications and shall follow the project requirements section of this bid document.

The Construction Plans and Technical Specifications were designed by the Horsley Witten Group of Sandwich Ma, (hereinafter, the “Engineer”). The Engineer has calculated a complete lump sum estimate of $137,000, including contingencies, for this work.

Any interested contractors shall email Scott Wallace, Project Manager, LKWA319ProjectMgt@gmail.com to request copies of the Construction Plans, Technical Specifications, Shoreland Protection PBN, Site Photos, Bid Proposal

Document, and Contract Agreement, which will be provided by return email. Any questions concerning the project will be answered by anonymous email to all contractors who have requested the Technical Specifications and Construction

Plans.

Written communications with the Project Manager may be directed to:

Scott Wallace, Project Manager, LKWA

P.O. Box 774, Center Harbor, NH 03226

All proposals must be submitted on forms supplied by LKWA. No additional compensation shall be made by LKWA without prior authorization through a formal change order process. Payment for services rendered on this project will be approved by the Project Manager and LKWA.

The LKWA reserves the right to reject any and all proposals not conforming to the Scope of Work and Project

Requirements or deemed not to be in the best interests of LKWA. LKWA may award the bid items at its discretion.

LKWA Project Manager, LKWA, and NHDES staff will evaluate the bids. The contract shall be made only with responsible contractors who possess the potential ability to perform successfully under the terms and conditions of the proposed procurement. During bid evaluation, consideration shall be given to such matters as contractor integrity, record of past performance on similar projects, financial and technical resources or accessibility to other necessary resources.

The successful contractor must submit proof of liability and worker’s compensation within (5) five days of the bid award, as set forth in Part V of the Project Requirements. If approved, the successful contractor should be available to mailto:LKWA319ProjectMgt@gmail.com

4-30-26 start in September 2026.

Sealed Bid proposals must be clearly marked “Bid Proposal for the Burton/Foster Stormwater Improvements Project” and be received not later than 4:00 pm on Friday, June 19, 2026, by mail to LKWA at P.O. Box 774, Center Harbor, NH

03226. Emailed copies or faxed proposals will not be accepted.

Non-discrimination in Employment

Contracts for work under this proposal obligate the contractors and sub-contractors not to discriminate in employment practices.

Bidders shall, if requested, submit a compliance report concerning their employment practices and policies in order to maintain their eligibility to receive the award of contract.

Successful bidders shall, if requested, submit a list of all subcontractors who will perform work on the project, and written signed statements from authorized agents of labor pools with which they will or may deal for employees on the work together with supporting information to the effect that such labor pools' practices and policies are in conformity with Executive Order No. 11246; that they will affirmatively cooperate in or offer no hindrance to the recruitment, employment, and equal treatment of employees seeking employment and performing work under the contract or, a certification as to what efforts have been made to secure such statements when such agents or labor pools have failed or refused to furnish them prior to award of the contract.

Successful bidders must be prepared to comply in all respects with the contract provisions regarding non-discrimination.

Bid and Contract Security

No Bidder may withdraw a Bid within 30 days after the submittal date of June 19, 2026.

Qualifications of Bidders

1. No award will be made to any Bidder who cannot meet all of the following requirements:

A. Bidder shall not have defaulted nor turned the work over to the bonding company on any contract within three years prior to the bid date.

B. Bidder shall maintain a permanent place of business.

C. Bidder shall have adequate personnel and equipment to perform the work expeditiously.

D. Bidder shall have suitable financial status to meet obligations incidental to the work.

E. Bidder shall have appropriate technical experience satisfactory to Contract owner in the class of work involved.

F. Bidder shall be registered with the Secretary of State to transact business in New Hampshire.

G. Bidder shall not have failed to complete previous contracts on time, including approved time extensions within three years prior to the bid date.

2. To demonstrate Bidder’s qualifications to perform the Work, Bidder shall submit written evidence such as financial data, previous experience, present commitments, and such other data as may be called for below:

A. Bidder shall provide a description of recent similar project examples that includes: type of work performed, project owner, total cost of contract and references with telephone number. Bidder shall demonstrate past performance by providing information on at least two projects within the last ten years with satisfactory execution of the primary tasks listed in the project, including:

1. Strict environmental regulations in and around waterbodies.

2. Construction of stormwater management and treatment structures.

3. Implementation and maintenance of erosion control measures.

4. Establishment of native grasses, shrubs, and trees.

B. Contractor selection will be contingent upon positive responses from references provided for past relevant work.

C. Contractor will provide a list of subcontractors, if any, along with their experience in similar projects.

Contractor will provide references for these subcontractors including: names, phone numbers, and/or email addresses.

Bidder may participate in a Voluntary Site Evaluation with the Project Manager and/or select LKWA Directors on

Friday May 15, 2026 from 9:00 AM to 12:00 Noon. A site visit is suggested because the Project encompasses work on a private, one lane, gravel road with limited space and tight construction tolerances within the Shoreland Protection

Zone of Lake Kanasatka. Bidders who wish to participate in the site evaluation shall email the Project Manager to indicate their interest in attending.

Evaluation of Bids and Award of Contract

1. LKWA reserves the right to reject any or all Bids, including without limitation, nonconforming, non-responsive, unbalanced, or conditional Bids. LKWA further reserves the right to reject the Bid of any Bidder whom it finds, after reasonable inquiry and evaluation, to not be responsible. LKWA may also reject the Bid of any Bidder if

LKWA believes that it would not be in the best interest of the Project to make an award to that Bidder. LKWA also reserves the right to waive all informalities not involving price, time, or changes in the Work and to negotiate contract terms with the Successful Bidder.

2. More than one Bid for the same Work from an individual or entity under the same or different names will not be considered. Reasonable grounds for believing that any Bidder has an interest in more than one Bid for the

Work may be cause for disqualification of that Bidder and the rejection of all Bids in which that Bidder has an interest.

3. In evaluating Bids, LKWA will consider whether or not the Bids comply with the prescribed requirements, and such alternates, unit prices and other data, as may be requested in the Bid Form or prior to the Notice of

Award.

4. In evaluating Bidders, LKWA will consider the qualifications of Bidders and may consider the qualifications and experience of Subcontractors, Suppliers, and other individuals or entities proposed for those portions of the

Work for which the identity of Subcontractors, Suppliers, and other individuals or entities must be submitted as provided in the Supplementary Conditions.

5. LKWA may conduct such investigations as LKWA deems necessary to establish the responsibility, qualifications, and financial ability of Bidders, proposed Subcontractors, Suppliers, individuals, or entities proposed for those portions of the Work in accordance with the Contract Documents.

6. If the Contract is to be awarded, LKWA will award the Contract to the Bidder whose Bid is in the best interests of the Project.

Scope of Work

The successful contractor shall provide all labor, materials and equipment to perform the work detailed on the Plan titled Burton/Foster Stormwater Improvements Project Construction Plans dated March 2026 and Technical

Specifications dated March 25,2026.

Lake Kanasatka is a 353-acre lake in the Town of Moultonborough NH. It had experienced generally good water quality up until 2020. A Cyanobacteria bloom appeared in that year and they continued to proliferate for several years. The

LKWA proceeded to develop, with Town of Moultonborough funding, a Watershed Based Management Plan (WBMP) to address the lake conditions and propose remediation. LKWA applied for a NHDES 319 Grant for funding to reduce or eliminate phosphorus loading and stormwater runoff on two adjacent sites on the eastern shore of the lake in the area of the intersection of Burton Road and Foster Drive. LKWA has engaged the Horsley Witten Group (HWG) to provide engineering and design services.

Burton Road (Northeast of the Intersection)

Stormwater runoff from Burton Road northeast of Foster Drive will be collected and managed before it reaches the intersection. At the driveway to 72 Burton Road, the existing culvert will be replaced with a new HDPE culvert under

Burton Road. Runoff that flows in the ditch along the south side of Burton Road will be shunted away from the road with two drainage turnouts directing runoff into the woods.

Intersection of Burton Road and Foster Drive

A portion of the existing gravel road will be paved as indicated on the Construction Plans. The paving will include Cape

Cod asphalt berms and a paved flume into a sediment forebay. The forebay will be lined with a permeable concrete paver mat. A deep sump catch basin will collect water from the forebay into a prefabricated infiltration chamber under the road. The existing culvert at 10 Foster Drive will be replaced with a larger HDPE pipe with an upstream flared end section to help reduce clogging, ease maintenance, and increase hydraulic efficiency. Flow exceeding the capacity of the

Foster Drive infiltration system will flow in a HDPE pipe to the Foster Drive culvert, which will discharge to a riprap apron.

Burton Road (Northwest of the Intersection)

On the northeastern side of the intersection, runoff ponds around a clogged dry well before flowing across the road and through the abutting properties to the lake. The existing dry well will be replaced with an infiltration system that is similar to the system proposed for Foster Drive. Runoff will be directed into a sediment forebay and deep sump catch basin for pretreatment, then to a subsurface infiltration chamber under the road. The gravel road upstream of the forebay will be regraded to pitch away from the lake, toward the forebay.

Project Requirements

I: General Requirements

The following are minimum requirements:

1. Execution of a Contract Agreement with LKWA.

2. Conformance with all applicable rules and regulations of the State of New Hampshire. Funding for the project detailed in this solicitation is provided in part with Federal EPA Section 319 grant funds obtained through an agreement with the State of New Hampshire Department of Environmental Services. Recipients of these grants and their subcontractors are required to meet certain contract requirements including the federal requirements detailed in Title 40 of the Code of Federal Regulations (CFR) parts 7, and 12, as well as

Title 2 CFR 200 as applicable (see §200.101), and additional regulations referenced therein.

3. Construction shall start on or after September 14, 2026. All work shall be completed by November 20, 2026.

4. Once work has commenced using equipment on the property, the Contractor must work diligently and uninterrupted in an expeditious and professional manner until all work is complete.

5. The Contractor must keep the work site free of debris and hazards. A contractor supervisor, with authority and ability to respond to any reasonable request of the LKWA or landowner must be on the job site at all times.

II: Payment

The Contractor shall request payment upon four milestones:

1. 10% of the Lump Sum Fee upon execution of the Contract,

2. 30% of the Lump Sum Fee upon the Engineer’s approval of the major component purchase specifications (32

11 23 Aggregate for Drainage, 333 05 14 Drainage Catch Basins, 33 41 13 Storm Drainage Piping, 33 49 23

StormTech Chambers, and Plantable Concrete Pavers),

3. 30% of the Lump Sum Fee upon starting construction, and

4. 30% of the Lump Sum Fee upon final completion and acceptance of the work by LKWA.

Request for payments will be processed by LKWA within 30 days of receipt.

III: Warranties

All materials and work shall be warrantied for a minimum of one (1) year from the date of project completion.

IV: Attorney’s Fees and Costs

The Contractor agrees to indemnify and hold harmless LKWA and adjacent landowners from any and all liability loss or damage, including but not limited to bodily injury, illness, death, or property damage, which the Contractor becomes obligated to pay, including reasonable attorney’s fees, investigative and discovery costs, as a result of claims, demands, costs or judgments against the LKWA or the landowners arising out of this agreement, caused by or arising out of the negligence, fault, breach of warranty, product liability or strict liability of the contractor, the LKWA or landowners or third parties, whether such negligence, fault, breach of warranty, products liability, or strict liability is sole, joint, or several.

V: Insurance

The following is the summary of minimum insurance requirements:

A) Worker’s Compensation $ Statutory

B) Comprehensive Public Liability $2,000,000 for bodily injury

$ 500,000 for property damage for any one incident.

The Contractor shall not commence work under this contract until they have obtained all the insurance required and such insurance certificates have been presented to and approved by LKWA.

VI: Additional Provisions

1. Cleanup of the site on a daily basis and removal or safe temporary placement of equipment and materials shall be the responsibility of the Contractor and shall be part of the work.

2. No work will be permitted prior to 7 AM or after 5 PM or on Saturdays, Sundays or holidays except as approved in writing by LKWA, and provided such work is not in violation of a local ordinance.

3. The Contractor shall at all times conduct their work so as to assure the minimal obstruction to traffic. The

Contractor will insure that the roads are open to traffic after 5 PM and before 7 AM each work day. The

Contractor shall provide for the safety and convenience of the adjacent landowners, general public and the residents along the work site route and the protection of private property. The Contractor shall be responsible for 48 hour prior notification to LKWA and the Town of Moultonborough before making any interruptions of their access.

4. The Contractor shall not commence work until a pre-construction meeting has been held at which representatives of the contractor, LKWA, NHDES, HWG, and the landowners are present. LKWA shall schedule the pre-construction conference upon execution of a Contract Agreement.

5. In the event of interruption to water or utility services as a result of accidental breakage or as a result of being exposed or unsupported, the Contractor shall promptly notify the proper authority and shall cooperate with said authority in the restoration of services. If water service is interrupted, repair work shall be continuous until the service is restored. If any utility service is interrupted for more than four (4) hours, the Contractor shall make provisions for temporary service at his own expense until service is resumed.

6. In the event that stop work steps are required, no further work shall be allowed, and final construction costs to date shall be provided to LKWA no later than 5 days after such stop work steps are issued. Renegotiation of final construction activities through a new proposal at a future date will be necessary.

7. Contractor will provide product/material submittals for Engineer approval consistent with the Technical

Specifications. Each submittal will have a Transmittal Letter, be sequentially numbered, identify product supplier, and Technical Specifications section number. Submittals will be sent to the Engineer via email as

PDF electronic files. Engineer contact information will be provided to the successful bidder prior to the pre-construction meeting. A copy of each submittal will be sent to the Project Manager.

VII: Work By Others

LKWA shall be responsible for the following:

1. Existing condition photographs of area;

2. Inspections of work;

3. Post construction photographs of area;

4. Final inspection and completion of final design plans.