Water Works: Water Mains and Service Materials

Location:	New Hampshire
Posted:	Feb 20, 2026
Due:	Apr 7, 2026
Agency:	City of Manchester
Type of Government:	State & Local
Category:	C - Architect and Engineering Services - Construction
Solicitation No:	FY26-804--35
Publication URL:	To access bid details, please log in.

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MANCHESTER WATER WORKS

281 Lincoln Street

Manchester, NH 03103

(603) 624-6494

INVITATION TO BID

Manchester Water Works

Mains and Service Materials Bid

Bid # FY26-804-35

The Board of Water Commissioners, of the Manchester Water Works, invites sealed bids to furnish

water mains and service material items as described herein. Bids will be accepted at the office of the

Manchester Works, located at 281 Lincoln St. Manchester NH 03103, until 2:30 p.m. on Tuesday,

April 7, 2026. Any questions should be directed to Jim Lavacchia at (603) 792-2810.

The Board of Water Commissioners reserves the right to accept or reject any and all bids as well as to

waive any informalities.

INDEX

General Requirements and Conditions………………………………………......

GC-1 –- GC-2

Technical Specifications……………………………………………………………… 1 – 8

Bid Forms……………………………………………………………………………........ 9 – 23

Provisions

Award:

Price:

Requirements:

MANCHESTER WATER WORKS

281 LINCOLN STREET

MANCHESTER, NH 03103

GENERAL REQUIREMENTS AND CONDITIONS

The bid will be awarded on the basis of:

a. The character, integrity, reputation, judgment, experience, and efficiency of the

bidder as well as the bidder's ability, capacity, and skill to provide the service and

products required.

b. Delivery time, price, specifications, and product comparison.

c. Any and all bids shall be presented to the Board of Water Commissioners for

approval and award at the first regular meeting following the bid opening.

d. Each item group will be awarded separately.

The bid price(s) shall hold firm until the award of a contract. Contract prices shall hold

firm through April 30, 2027 and shall apply to all orders placed during this period. All

prices to be stated on a "delivered" basis.

For those bidders interested, MWW is seeking a discount in exchange for payment

within ten (10) business days. Final bids will be inclusive of any discount offered.

a. All proffered bids shall conform to the specifications issued herein. Bids failing to

meet the minimum requirements will be considered unacceptable.

b. A bid form is provided in the following specifications for the insertion of all

necessary prices and information on the items as defined in the specification sheet(s).

The bid form shall be completed in full, including delivery times, with any and

all exceptions noted, and submitted to the Manchester Water Works office, at 281

Lincoln St., Manchester NH 03103, no later than 2:30 P.M. on Tuesday, April 7,2025.

Only submit pages 1 through 16.

c. Bids shall be proffered on the forms furnished, submitted in sealed envelopes and

notated "Mains and Service Materials Bid, Attn: Jim Lavacchia,

d. The mains and service materials shall meet the Manchester Water Works' full

approval before payment is issued on any and all invoices.

e. Unless a bid is awarded based on the optional early payment discount, invoices

shall be paid on the City pay day. All invoices shall be received no later than the first

Wednesday of the month in order to be paid on the third Wednesday of the month.

Applicable cash discounts shall be taken on the City pay day.

f. The Manchester Water Works is exempt of Federal Excise Tax.

g. The Manchester Water Works is authorized to purchase products and equipment

GC-1

under the State of New Hampshire's purchasing contracts, at the current bid prices.

h. Warranty, length and terms of warranty must accompany the bid proposal.

Bid Withdrawal:

Modification:

Electronic:

i. The Board of Water Commissioners reserves the right to accept or reject any and

all bids as well as to waive any informalities.

j. Any and all materials and/or equipment which does not meet the specifications shall

be replaced by the bidder at no cost to the Manchester Water Works.

k. All drinking water components shall meet NSF 61 as may be applicable.

Bids may be withdrawn prior to the closing time for receipt of bid proposals. A request

to withdraw a bid must be submitted in writing and signed by the bidder. Verbal

requests to withdraw a bid will not be accepted.

Bids may be modified by the bidder prior to the closing time for the receipt of bid

proposals. Modifications must be submitted in writing and signed by the bidder. Only

additions or subtractions to the bidder's original proposal must be stated. Bid prices

are not to be stated. No verbal modifications will be accepted and modifications will

not be accepted after the closing time.

Communication: A bid proposal may be withdrawn or modified by electronic

communication provided such communication is received by the Manchester Water

Works prior to the closing time for receipt of bid proposals. Written confirmation

signed by the bidder must be mailed and postmarked prior to the closing time and

received by the Manchester Water Works within two (2) days from the closing time,

otherwise no consideration will be given to the electronic communication. Electronic

communications shall be addressed to Jlavacchia@manchesternh.gov

Quantities:

Materials for water main construction projects to be completed by contractors and

developers, not under contract to the Manchester Water Works, have not been

included in this bid. Contractors and developers will be expected to purchase

materials, in accordance with Manchester Water Works specifications, from suppliers

of their own selection. The quantities shown represent the proposed initial purchase,

however, purchases will be based on actual requirements.

NOTE: An electronic version of the summary of all bid prices will be posted on the City of Manchester’s

website – www.manchesternh.gov/bids

All bidders are invited to attend the public opening of their bid.

No bid results will be given over the telephone

GC-2

TECHNICAL SPECIFICATIONS

Ductile Iron Pipe

Unless otherwise specified, ductile iron pipe shall be class 52 and manufactured in the United States

of America and shall conform to ANSI 21.51 (AWWA C-151) for "pipe centrifugally cast in metal

molds for water". Cement linings shall be double the standard thickness and shall conform to ANSI

A21.4. Seal coating shall be applied inside and out. All pipe shall be push-on type joint, in accordance

with ANSI A21.11.

In addition, all pipe purchased may be subject to inspection and acceptance by the Manchester Water

Works or its agent. The supplier and/or manufacturer shall be responsible for such accommodations

and handling as are required to allow for proper inspection, if so requested by the Manchester Water

Works.

Additional Requirements

The pipe and fittings, in addition to meeting all of the appropriate requirements of ANSI and AWWA,

shall conform to the following:

1.)

All pipe and fittings shall be free of all significant casting flaws both inside and out,

including slag holes, slag inclusions, laps, lamination, mold splash, and pin holes.

2.)

All linings shall be of uniform thickness with no significant waving and/or roughness.

3.)

Bell ends shall be cleaned of cement and excess seal coat material.

4.)

Spigot ends shall be properly tapered and cut ends shall be ground.

Fittings

Unless otherwise specified, all mechanical joint fittings shall conform to AWWA C104/ANSI A21.4,

C111/A21.11 or C153/A21.53. All fittings shall be pressure rated for 350 psi, ductile iron with double

cement-lining thickness and seal coated inside and out, or two-part epoxy coated, and shall be

manufactured in the United States of America. Fittings 4"-12" shall be compact pattern per AWWA

C153. In addition, all fittings purchased may be subject to inspection and acceptance by the

Manchester Water Works or its agent. The supplier and/or manufacturer shall be responsible for such

accommodations and handling as are required to allow for proper inspection if so requested by the

Manchester Water Works.

Additional Requirements

The fittings, in addition to meeting all of the appropriate requirements of ANSI and AWWA, shall

conform to the following:

1.) All fittings shall be free of all significant casting flaws both inside and out, including slag holes,

slag

inclusions, laps, lamination, mold splash, and pin holes.

2.) All linings shall be of uniform thickness with no significant waving and/or roughness.

3.) Mechanical joint bells and glands shall be dimensionally correct and free of all slag and rough

edges at bolt holes.

4.) All mechanical joints accessories necessary to complete connections will be bid separately.

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

Water Works: Water Mains and Service Materials

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