rfp-des-2026-19-addendum-2.pdf

Murphy Dam Outlet Works Improvements Project, Pittsburg, NH

ADDENDUM NO. 2

To: All Prospective Bidders Murphy Dam Outlet Works Improvements Project

Location: Pittsburg, NH

From: Charlie Krautmann – NHDES Dam Bureau

Re: Addendum No. 2

Date: May 19th, 2026

Please find the following ADDENDUM NO. 2 for the Murphy Dam Outlet Works Improvements Project which is to be included as part of the Contract Documents thereof.

As per Specification Section 00200, Article 13.09 the bid shall contain an acknowledgment of receipt of this Addendum No. 2, (and all addenda). The addendum number and date shall be entered in the space provided in Section 00301 – Bid Form, Article 3 – 3.01A

Please note bids are due Friday, June 19th, 2026 at 1300 (EST). Hard copy bids may be received as stipulated in the Contract Documents.

This Addendum has been issued to include a bid alternate:

Item #1 – Addition of Bid Alternate No. 1: Replacement of Existing Broome Gate Engine

The Contract Documents are hereby amended to include Bid Alternate No. 1, described below.

This alternate will be added to Section 00301 – Bid Form and shall be priced as a separate lump-sum bid item.

Bid Alternate No. 1 – Replacement of Existing Broome Gate Engine Assembly

Work and contractor responsibilities under this alternate includes the following:

1. Removal and replacement of existing gasoline-powered Broome Gate engine, currently identified as a:

o Teledyne Continental Engine o Number plate identification: F-163, 5123P, 332786

2. Furnishing and installing a new gasoline, diesel or propane engine that meets or exceeds the following requirements:

o Horsepower, torque, and rated RPM similar to the existing engine.

o Fully compatible with the existing Broome gate hoist mechanism without requiring modification of the hoist system, including gear boxes.

o Capable of reliable operation under extreme environmental conditions: –40°F to 110°F.

o Equipped with all necessary components to ensure full compliance with local, state and federal, including OSHA, requirements for operating in enclosed spaces.

o Push-button electric start system designed for reliable cold and hot starts.

o If propane, then contractor shall furnish concrete pad adjacent to the concrete walkway to the Broome gate building in a location chosen by NHDES, propane tank, all necessary fuel lines, and any other required items necessary for turnkey operation in enclosed spaces o If gas or diesel then all fuel tanks shall be mounted on or adjacent to the engine in a location chosen by NHDES, be connected to the engine and include any other required items necessary for turnkey operation in enclosed spaces o If louver system is required for proper operation then contractor shall provide a manual louver system in a location chosen by NHDES that has the ability to open and close and be located within a replacement window or door installed by the contractor.

3. Structural evaluation and reinforcement, including:

o Assessment of all existing engine mounts, stands, and structural framing within the Broome gate building.

o Reinforcement and/or replacement of engine mounts and stands as necessary for proper support of the new engine.

o Evaluation of the walkway bridge between the dam and the Broome gate building o Contractor shall reinforce the bridge to the Broome gate building as required to support removal of the existing engine and installation of the new engine.

o All rigging, lifting, and temporary support systems required shall be supplied.

4. Engine commissioning and startup:

o Contractor shall complete all modifications necessary for fit, alignment, connection, and commissioning of the new power engine.

o Contractor shall complete all testing and demonstration of operational readiness of the engine and the Broome gate hoist system to the satisfaction of

NHDES.

5. Submittals Required:

o Engine specifications, performance curves, and compatibility documentation.

o Structural reinforcement design details (sealed by a licensed professional engineer).

o OSHA and NH Department of Labor compliant exhaust and ventilation plans.

o Startup, testing, and commissioning plan.

o Operation and Maintenance Plan

Item #2 – Clarifications

1. Work under Bid Alternate No. 1 shall be performed in accordance with the applicable requirements of the Contract Documents.

2. Any structural reinforcement work must comply with the general structural requirements detailed in Section 05500 (Metal Fabrications) and all applicable building codes.

3. Any necessary wiring must comply with Division 16 – Electrical.

4. Mechanical systems must comply with standards referenced in the project specifications. No modifications shall be made to the gearboxes or hoist components.

5. Ventilation and air intake systems must comply with all local state and federal regulations for operating a combustion engine within an enclosed space.

6. Bid price shall be full compensation for all labor, materials, equipment, testing, commissioning, and incidental work required for a complete and operational system.

Item #3 – Bid Form

1. Replace Section 00301 – Bid Form in the original contract document with the updated one in Attachment A to include bid prices with and without Alternate No. 1 and that award of Alternate No. 1 will be at the sole discretion of the state and may be accepted or rejected independent of the Base Bid. Accepted Alternates will be identified in the Agreement.

Item #4 – Drawings/Photographs

1. See Attachment B for some drawings of the Broome Gate tower, hoist and engine plate identification number.

Attachment A

Updated Section 00301 – Bid Form

SECTION 00301 – BID FORM

PROJECT IDENTIFICATION: MURPHY DAM OUTLET WORKS IMPROVEMENTS

Article 1 – BID RECIPIENT

1.01 THIS BID IS SUBMITTED TO: Chief Engineer, New Hampshire Department of Environmental

Services, Dam Bureau, 29 Hazen Drive, PO Box 95, Concord, NH 03302-0095, here in after referred to as the Agency.

1.02 The undersigned Bidder proposes and agrees, if this Bid is accepted, to enter into an Agreement with the Agency in the form included in the Bidding Documents to perform all Work as specified or indicated in the Bidding Documents for the prices and within the times indicated in this Bid and in accordance with the other terms and conditions of the Bidding Documents.

Article 2 – BIDDER’S ACKNOWLEDGEMENTS

2.01 Bidder accepts all of the terms and conditions of the Advertisement or Invitation to Bid and Instructions to Bidders, including without limitation those dealing with the disposition of Bid security. The Bid will remain subject to acceptance for 90 days after the Bid opening, or for such longer period of time that Bidder may agree to in writing upon request of the Agency.

2.02 Bidder acknowledges that execution of a contract is subject to receipt of all state and federal permits necessary to complete the work. If permits are not received, the bid security will be returned to the Successful Bidder.

Article 3 – BIDDER’S REPRESENTATIONS

3.01 In submitting this Bid, Bidder represents, as set forth in the Agreement, that:

A. Bidder has examined and carefully studied the Bidding Documents, other related data identified in the Bidding Documents, and the following Addenda, receipt of which is hereby acknowledged:

Addendum No. Addendum Date

B. Bidder has visited the Site and become familiar with and is satisfied as to the general, local and Site conditions that may affect cost, progress, and performance of the Work.

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C. Bidder is familiar with and is satisfied as to all Laws and Regulations that may affect cost, progress, and performance of the Work.

D. Bidder has considered the information known to Bidder; information commonly known to contractors doing business in the locality of the Site; information and observations obtained from visits to the Site; the Bidding Documents; and the Site-related reports and drawings identified in the Bidding Documents, with respect to the effect of such information, observations, and documents on (1) the cost, progress, and performance of the Work; (2) the means, methods, techniques, sequences, and procedures of construction to be employed by Bidder, including applying the specific means, methods, techniques, sequences, and procedures of construction expressly required by the Bidding Documents; and (3) Bidder’s safety precautions and programs.

E. Based on the information and observations referred to in Paragraph 3.01.E above, Bidder does not consider that further examinations, investigations, explorations, tests, studies, or data are necessary for the determination of this Bid for performance of the Work at the price(s) bid and within the times required, and in accordance with the other terms and conditions of the Bidding Documents.

F. Bidder is aware of the general nature of work to be performed by the Agency and others at the Site that relates to the Work as indicated in the Bidding Documents.

G. Bidder has given Resident Project Representative (RPR) written notice of all conflicts, errors, ambiguities, or discrepancies that Bidder has discovered in the Bidding Documents, and the written resolution thereof by RPR is acceptable to Bidder.

H. The Bidding Documents are generally sufficient to indicate and convey understanding of all terms and conditions for the performance of the Work for which this Bid is submitted.

Article 4 – BIDDER’S CERTIFICATION

4.01 Bidder certifies that:

A. This Bid is genuine and not made in the interest of or on behalf of any undisclosed individual or entity and is not submitted in conformity with any collusive agreement or rules of any group, association, organization, or corporation;

B. Bidder has not directly or indirectly induced or solicited any other Bidder to submit a false or sham Bid;

C. Bidder has not solicited or induced any individual or entity to refrain from bidding;

D. Bidder has not engaged in corrupt, fraudulent, collusive, or coercive practices in competing for the Contract. For the purposes of this Paragraph 4.01.D:

1. “corrupt practice” means the offering, giving, receiving, or soliciting of any thing of value likely to influence the action of a public official in the bidding process;

2. “fraudulent practice” means an intentional misrepresentation of facts made (a) to influence the bidding process to the detriment of the Agency, (b) to establish bid prices at artificial non-competitive levels, or (c) to deprive the Agency of the benefits of free and open competition;

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3. “collusive practice” means a scheme or arrangement between two or more Bidders, with or without the knowledge of the Agency, a purpose of which is to establish bid prices at artificial, non-competitive levels; and

4. “coercive practice” means harming or threatening to harm, directly or indirectly, persons or their property to influence their participation in the bidding process or affect the execution of the Contract.

E. The Bidder accepts the state’s terms and conditions that apply to the particular bid and any resulting purchase order or contract by filling out and signing Form P-37 and that any other terms and conditions submitted by the bidder are null and void;

F. The Bidder will be subject to the terms and conditions stated on the purchase order relating to purchase; and

G. The Bidder offers to sell to the State of New Hampshire the commodities or services indicated at the price or prices quoted and in compliance with the requirements and specifications of the bid.

H. In addition to the foregoing, the Bidder shall, as part of his or her Bid submission, certify by notarized affidavit, signed under oath, that neither the Bidder, nor any of its subsidiaries, affiliates or principal officers:

1. Has, within the past 2 years, been convicted of, or pleaded guilty to, a violation of

RSA 356:2, RSA 356:4, or any state or federal law or county or municipal ordinance prohibiting specified bidding practices, or involving antitrust violations, which has not been annulled;

2. Has been prohibited, either permanently or temporarily, from participating in any public works project pursuant to RSA 638:20;

3. Has previously provided false, deceptive, or fraudulent information on a vendor code number application form, or any other document submitted to the state of New Hampshire, which information was not corrected as of the time of the filing a bid, proposal, or quotation;

4. Is currently debarred from performing work on any project of the federal government or the government of any state;

5. Has, within the past 2 years, failed to cure a default on any contract with the federal government or the government of any state;

6. Is presently subject to any order of the New Hampshire Department of Labor, the New Hampshire Department of Employment Security, or any other state department, agency, board, or commission, finding that the applicant is not in compliance with the requirements of the laws or rules that the department, agency, board, or commission is charged with implementing;

7. Is presently subject to any sanction or penalty finally issued by the New Hampshire Department of Labor, the New Hampshire Department of Employment Security, or any other state department, agency, board, or commission, which sanction or penalty has not been fully discharged or fulfilled;

8. Is currently serving a sentence or is subject to a continuing or unfulfilled penalty for any crime or violation noted in this section;

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9. Has failed or neglected to advise the Agency of any conviction, plea of guilty, or finding relative to any crime or violation noted in this section, or of any debarment, within 30 days of such conviction, plea, finding, or debarment; or

10. Has been placed on the debarred parties list specified in Adm 606.11 within the past year.

Article 5 – BASIS OF BID

5.01 Bidder will complete the Work in accordance with the Contract Documents for the following price(s):

Bidder proposes to furnish all materials and complete the Scope of Work described in general in these Bid Documents and more specifically as described in the Technical Specifications of the Contract Documents and as illustrated on the Contract Drawings for the sum of

(Words) (Numerals)

Or with the inclusion of Bid Alternate No. 1 for the sum of

(Words) (Numerals)

Bidder hereby agrees that requests for progress payments will be made on the basis of percentage of work complete by item for the items listed on the Schedule of Values, which follows on the following pages of this Bid Form. Bidder shall complete the Schedule of Values as part of the bid process. Bidder agrees that percentages of work completed are subject to approval by the Resident Project Representative (RPR) and the Bureau, or their authorized representative and that the decision of the Bureau regarding the percentage completed will be the sole basis for progress payments.

Bidder hereby agrees that the Terms and Conditions of the Agreement under which the work will be executed will be those as specified in Division 1 of the Contract Documents.

Signature of Person Legally Authorized to Enter into Contractual Agreement For Bidder

Printed or Typed Name Printed or Typed Name of Company or Corporation

Date Signed

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MURPHY DAM OUTLET WORKS IMPROVEMENTS

BID ITEMS

IN DOLLARS AND CENTS

ITEM

NO.

DESCRIPTION UNIT ESTIMATED

QUANTITY

UNIT

PRICE

TOTAL

PRICE

01200-1 Mobilization, Demobilization and Preparatory Work

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-2 Bonds and Insurances

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-3 Care and Diversion of Water

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-4 Dewatering

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-5 Erosion and Sediment Control

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-6 Clearing and Grubbing

(Unit Price written in words)

Acre 0.5 $_________ $ ________________

01200-7 Select Demolition and Removal

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-8a Site and Earthwork - Stripping and Stockpiling of Topsoil

(Unit Price written in words)

Cubic Yard 300 $_________ $ ________________

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IN DOLLARS AND CENTS

ITEM

NO.

DESCRIPTION UNIT ESTIMATED

QUANTITY

UNIT

PRICE

TOTAL

PRICE

01200-8b Site and Earthwork – Common Excavation

(Unit Price written in words)

Cubic Yard 30 $_________ $ ________________

01200-8c Site and Earthwork – Common Fill Placement and Compaction, Utilities Trench

(Unit Price written in words)

Cubic Yard 20 $_________ $ ________________

01200-8d Site and Earthwork – Common Fill and Placement, Slab-on-grade (Unit Price written in words)

Cubic Yard 50 $_________ $ ________________

01200-8e Site and Earthwork – Rock Excavation / Trimming (Unit Price written in words)

Cubic Yard 5 $_________ $ ________________

01200-8f Site and Earthwork – Backfill and Associated Grading Around New Structures (Unit Price written in words)

Cubic Yard 5 $_________ $ ________________

01200-8g Site and Earthwork – Topsoil Placement, Seeding and Restoration

(Unit Price written in words)

Acre 0.5 $_________ $ ________________

01200-9a Concrete Construction – Cast-in-place concrete retaining wall and slab-on-grade along right wall of plunge pool

(Unit Price written in words)

Cubic Yard 35 $_________ $ ________________

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IN DOLLARS AND CENTS

ITEM

NO.

DESCRIPTION UNIT ESTIMATED

QUANTITY

UNIT

PRICE

TOTAL

PRICE

01200-9b Concrete Construction – Cast-in-place concrete operator deck, wall extensions

(Unit Price written in words)

Cubic Yard 15 $_________ $ ________________

01200-9c Concrete Construction – Cast-in-place concrete for liner extension encapsulation

(Unit Price written in words)

Cubic Yard 350 $_________ $ ________________

01200-9d Concrete Construction – Concrete repairs for headwall

(Unit Price written in words)

Square Foot

350 $_________ $ ________________

01200-9e Concrete Construction – Non-shrink Grout for Equipment Based and Anchors

(Unit Price written in words)

Cubic Foot 10 $_________ $ ________________

Mechanical Fabrications – Supply and 01200- 10a

Installation of Jib Crane Assembly

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

Mechanical Fabrications – Downstream 01200- 10b

Conduit Liner Extension

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200- 11a

Hydraulic and Flow-Control Equipment – Fabricate, deliver and install new 72-inch Jet Flow Gates (2-units) complete with steel guides and seals

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

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IN DOLLARS AND CENTS

ITEM

NO.

DESCRIPTION UNIT ESTIMATED

QUANTITY

UNIT

PRICE

TOTAL

PRICE

01200- 11b

Hydraulic and Flow-Control Equipment – Supply and install hydraulic operators, actuators and control systems for Jet Flow Gates

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-11c Hydraulic and Flow-Control Equipment – Field testing and commissioning of gates and operators

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

Hydraulic and Flow-Control Equipment – 01200- 11d

Ultrasonic flow meter system – supply, install and calibrate

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

Building Rehabilitation – Control building 01200- 12a roof replacement (asphalt shingles and flashing)

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

Building Rehabilitation – Sheet metal trim, 01200- 12b gutters and downspouts

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

Miscellaneous – Chain-link fence 01200- 13a installation

(Unit Price written in words))

Lineal Foot 320 $_________ $ ________________

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IN DOLLARS AND CENTS

ITEM

NO.

DESCRIPTION UNIT ESTIMATED

QUANTITY

UNIT

PRICE

TOTAL

PRICE

Miscellaneous – Hand-rail, mounted to 01200- 13b top of concrete

(Unit Price written in words))

Lineal Foot 250 $_________ $ ________________

01200- 14a

Operator Deck Radiant Heating System – Furnish, install and commission complete hydronic radiant heating system per Section 23 83 30.

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-15 Southern Access Road Improvements and Maintenance

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-16 Demolition and Removal of Dow Valves and Control Equipment

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

01200-17 Change Order Contingency

Five-hundred Thousand Dollars (Lump Sum Price written in words)

Lump Sum NA NA 500,000

Alternate No. 1

Addendum No. 2 – Replacement of Existing Broome Gate Engine

(Lump Sum Price written in words)

Lump Sum NA NA $ ________________

Bid Price (Summation of Line Item Bid Prices without Alternate No. 1) $ ________________

Bid Price (Summation of all Line Item Bid Prices with Alternate No. 1) $ ________________

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All specific cash allowances are included in the price(s) set forth above and have been computed in accordance with Article 9 of the General Conditions.

Unit Prices have been computed in accordance with paragraph 109.01B of the General Conditions.

Bidder acknowledges that estimated quantities are not guaranteed, and are solely for the purpose of comparison of Bids, and final payment for all Unit Price Bid items will be based on actual quantities provided, determined as provided in the Contract Documents.

Award will be at the sole discretion of the state and may be accepted or rejected independent of the Base Bid. Accepted Alternates will be identified in the Agreement.

Article 6 – TIME OF COMPLETION

6.01 Bidder agrees that the Work will be substantially complete on or before December 1st, 2028 and will be completed and ready for final payment in accordance with 109.06.10 of the General Conditions on or before December 31st, 2028.

6.02 Bidder accepts the provisions of the Agreement as to liquidated damages in the event of failure to complete the Work within the times specified above, which shall be stated in the Agreement.

Article 7 – ATTACHMENTS TO THIS BID

7.01 The following documents are submitted with and made a condition of this Bid:

A. Required Bid security in the form of Bid Bond (Specification Section 00310 – Bid Bond (Penal Sum), Payment Bond and Performance Bond, identified in Section 00200 – Instructions to Bidders in the form of a certified or bank check or bid bond;

B. List of Proposed Subcontractors;

C. List of Proposed Suppliers;

D. List of Project References;

E. Noncollusion Affidavit.

F. Proposed Schedule for Project Completion

3/27/2026 00301 - 10 https://109.06.10

MURPHY DAM OUTLET WORKS IMPROVEMENTS

Article 8 – DEFINED TERMS

8.01 The terms used in this Bid with initial capital letters have the meanings stated in the Form

P-37, Instructions to Bidders, the General Conditions, and the Supplementary Conditions.

Any conflicts in the definitions shall be resolved in the following order of precedence:

Form P-37, General Provisions, General Conditions, and Supplementary Conditions.

SUBMITTED on , 20 .

If Bidder is:

An Individual

Name (typed or printed):

By: (SEAL) (Individual’s signature)

Doing business as:

Business address:

Phone No.: FAX No.:

An entity

Entity Name: (SEAL) Type of entity (partnership, corporation, limited liability company, other):______________

By:

(Signature -- attach evidence of authority to sign)

Name (typed or printed):

Business address:

Phone No.: FAX No.:

Provide notarized execution by any additional parties, such as joint venturers, if necessary.

NOTARIZED AFFIDAVIT

On this the ___ day of _________, 20__, before the undersigned officer, personally appeared ________________________(print name), ______________(title), who acknowledged himself to be the person who executed the foregoing instrument for the purpose therein contained.

IN WITNESS WHEREOF, I hereunto set my hand and official seal.

enter name notary public/JOP, select title

My Commission Expires:

______________________(date)

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Attachment B

Broome Gate Tower, Hoist and Engine Plate Identification Number