HVAC at Merrimack Wastewater Treatment Facility

Location:	New Hampshire
Posted:	Apr 23, 2026
Due:	May 15, 2026
Agency:	Town of Merrimack
Type of Government:	State & Local
Category:	Y - Construction of Structures and Facilities
Publication URL:	To access bid details, please log in.

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Town of Merrimack,

New Hampshire

6 Baboosic Lake Rd · Merrimack, NH 03054 · www.merrimacknh.gov

April 20, 2026

REQUEST FOR PROPOSAL

HVAC – WASTE WATER TREATMENT FACILITY

Proposal will be received by the Town of Merrimack until 2:00 pm on Friday, May 15, 2026 to

replace an existing 10 ton roof-top cooling unit at the Head Works Building and to install new

Ductless Split Units in the areas specified at the Waste Water Treatment Facility with the enclosed

specifications and following conditions.

Time and effort spent for bid preparation is the responsibility of the bidder. The act of submitting

a bid is considered to be full acknowledgement that the bidder has inspected the sites and is familiar

with the conditions. A mandatory walk through is scheduled for Wednesday, May 6, 2026 at

9:00 am at the Merrimack Wastewater Treatment Facility, 36 Mast Rd, Merrimack, NH.

Proposed systems must be designed: in accordance with industry standards, including those by the

American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHREA); to

maintain temperatures at the sites within ranges specified by such standards; and to meet all work

shall also adhere to the International Building Code and the National Electric Code where required.

The town expects that the successful bidder will provide all equipment, manpower to provide a

complete project.

Proposals shall include a detailed explanation of each of the following elements in the scope of

work outlined, a total cost included on the enclosed Bid Form, warranty information and three

references; specifications on the proposed air conditioning and heating equipment, and a listing

of significant materials to be provided and significant tasks to be performed. Three copies of the

proposal must be submitted.

The proposal must include the following elements in the scope of work:

1. Replacing Existing Ten Ton Roof Top Unit

The Town of Merrimack NH, Wastewater Facility is seeking proposal to replace the existing Trane

Roof Top Unit (RTU) with a new Carrier or equivalent “Ten Ton RTU”. The replacement unit

shall be similar to the existing Carrier Rooftop Cooling unit (see current unit specifications in a

separate attachment).

Demolition RTU:

• Disconnect power and control wiring (All electrical Work to be performed by licensed

electricians)

• Provide crane to remove old unit from roof

• Reclaim the refrigerant from the old unit (as required by law)

• Transport the old unit off the premises for disposal

Installation RTU:

• Furnish and install roof curb adapter

TOWN OF MERRIMACK, NEW HAMPSHIRE

TOWN _______________________________________________

FINANCE DEPARTMENT

6 Baboosic Lake Road

Merrimack, NH 03054

Tel: 603-424-7075

• Make any necessary repairs to roof and curb as needed

• Provide crane to install specified model replacement unit

• Furnish and install economizer accessory for the unit

• Reconnect existing power and control wiring (All electrical work to be performed by

licensed electricians)

• Furnish new Wi-Fi capable programmable thermostat

2. Installing New Ductless Splits

As part of this proposal the facility also seeking to install the following Ductless Split Heating and

Cooling Pump Units in the following areas. (Please note these are new units). Condenser Units

shall be installed on the exterior walls or on the ground to provide ease of access for maintenance.

• Supply and install one (1) Samsung or equivalent 18K single zone ductless split and all

appurtenances in the “Lunch Room”

• Supply and install one (1) Samsung or equivalent 36K multi zone 3 head ductless split and

all appurtenances with heads in the following areas, the Sewer Inspector’s Office, the Ladies

Locker Room and the Main Bathroom.

• Supply and install one (1) Samsung or equivalent 20K multi zone 2 head ductless split and

all appurtenances in the following areas, the Assistant Director’s Office and the Operations

Office.

• Alternate/Optional: Evaluate supplying and installing either a separate unit for our

“SCADA“ control room or adding on to the “Assistant Director’s Office Unit” or the “Lunch

Room Unit”

Installation:

• Supply and install required insulated line sets using brown coverings

• Supply and install condensate lines and that will be drained appropriately

• Supply and install mounting hardware including stands or brackets

• Install separate programmable Wi-Fi capable thermostats for each ductless

• Core holes for the line sets and patch exterior and interior of building

• Startup and testing of new units including certified air balancing for entire system

• All electrical and conduit to provide power and a NEMA 4X disconnect located and a

convenience outlet next to the condenser units. (All electrical work to be performed by

licensed electricians)

• Provide any required carpentry, painting, and/or finish work

• All work to be completed during normal business hours.

TOWN OF MERRIMACK, NEW HAMPSHIRE

TOWN _______________________________________________

FINANCE DEPARTMENT

6 Baboosic Lake Road

Merrimack, NH 03054

Tel: 603-424-7075

The proposal shall be submitted on the Bid Form furnished herewith and shall exclude state and

federal taxes not applicable to municipalities. The bid price shall be quoted F.O.B. Town of

Merrimack, Wastewater Treatment Facility, 36 Mast Rd, Merrimack, NH.

The contractor will be required to provide an insurance certificate confirming the following

insurance coverage: worker’s compensation insurance as required by the State of New Hampshire;

broad-form comprehensive general liability insurance in an amount no less than $1,000,000

combined single limit per occurrence; and motor vehicle insurance to include bodily injury,

property damage, uninsured motorist, and employer’s non-ownership coverage in an amount no

less than $1,000,000 combined single limit per occurrence. The Town of Merrimack shall be

named as an additional insured on all policies.

The contractor must also agree in writing to indemnify the Town of Merrimack from any and all

liability, loss or damage, including but not limited to bodily injury, illness, death, or property

damage, which the Town becomes legally obligated to pay as a result of claims, demands, costs,

or judgment against the Town arising out of the contractor’s actions or omissions relating to this

project.

The related award will be based on price, and Town’s evaluation of the quality of the proposed

units and bidder’s experience and reputation will include discussions with current users. Therefore,

bidders shall identify on the Reference Form three comparable projects that have been completed

over the last three years.

The Town reserves the right to reject any or all bids, to waive irregularities in the bids, and to

accept the bid which best serves the interest of the Town.

Three copies of the proposal must be sealed and marked “Bid on HVAC-WWTF” and be delivered

to the Town of Merrimack Finance Department, 6 Baboosic Lake Rd, Merrimack, NH 03054 by

the time specified above when they will be read aloud at 6 Baboosic Lake Road East Wing of

Town Hall - Lower Level Conference Room.

It is the bidder’s responsibility to confirm the bid is received by the Finance Department by the

date and time specified.

The Town of Merrimack’s Purchasing Policy is available on the Town’s website:

https://www.merrimacknh.gov/finance-department/pages/bid-opportunities; a copy may contact

the Purchasing Agent.

For additional information, please contact Sandra Song, Purchasing Agent, at

ssong@merrimacknh.gov or (603) 424-7075.

TOWN OF MERRIMACK, NEW HAMPSHIRE

TOWN _______________________________________________

FINANCE DEPARTMENT

6 Baboosic Lake Road

Merrimack, NH 03054

Tel: 603-424-7075

PROPOSAL FOR

HVAC AT WASTEWATER TREATMENT FACILITY

Due by 2:00PM on Friday, May 15, 2026

Removing existing ten ton RTU and installing new ten ton RTU

at the Wastewater Treatment Facility

$________________

Installing three new ductless splits without optional

at the Wastewater Treatment Facility

$________________

Total Bid Price without Optional/Alternate $__________________

Alternate or Optional for SCADA Room:

__________________________________________________________ $________________

*Please include your recommendation for the SCADA Room in the line above.

Enclosed:

_____ Proposal

____ Warranty information

____ Detailed specifications on equipment

____ Construction Schedule

Warranty Terms for units…………………………… ________________ yrs.

Warranty Terms for installation………………………________________ yrs.

The above bid is provided in accordance with the Town of Merrimack’s bid invitation dated

April 20, 2026, except as indicated below:

______________________________________________________________________________

Bidder: _________________________________________________________________

Street Address: ___________________________________________________________

City, State, Zip Code: ______________________________________________________

Phone No: ___________________________ Fax No: ____________________________

Authorized Signature: _____________________________________________________

Printed Name: __________________________________Date: _____________________

E-Mail address: __________________________________________________________

TOWN OF MERRIMACK, NEW HAMPSHIRE

TOWN _______________________________________________

FINANCE DEPARTMENT

6 Baboosic Lake Road

Merrimack, NH 03054

Tel: 603-424-7075

List of References

List three (3) customers or companies with whom you have performed similar services during the

past three (3) years. The Town may contact the Bidder’s reference at any time during evaluation.

Bidder: _______________________________________________________________________

Reference No.1 Information:

Project: ________________________________________________________________

Company Name: _________________________________________________________

Contact Person Name: ______________________ Title: _________________________

Telephone No: ___________________ Email Address: __________________________

Reference No.2 Information:

Project: ________________________________________________________________

Company Name: _________________________________________________________

Contact Person Name: ______________________ Title: _________________________

Telephone No: ___________________ Email Address: __________________________

Reference No.3 Information:

Project: ________________________________________________________________

Company Name: _________________________________________________________

Contact Person Name: ______________________ Title: _________________________

Telephone No: ___________________ Email Address: __________________________

This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.

HVAC at Merrimack Wastewater Treatment Facility

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