PORTLAND WATER DISTRICT
225 Douglass Street, P.O. Box 3553, Portland, ME 04104-3553
(207) 774-5961 - FAX (207) 761-8325
November 4, 2026
REQUEST FOR BID
This is NOT an order.
All Bids must be submitted
By: 2:00 pm, December 7th,
2026
2026 –Cape Elizabeth WWTF Boiler
To Potential Contractors
Thank you for your interest in this Portland Water District (PWD) Request for Bid (RFB). The purpose of
this RFB is to establish the vendor who shall perform those services, the rate the PWD shall pay, and the
terms and conditions of those services. Bids are subject to the terms & conditions included in this RFB.
Evaluation will be based on price and other relevant considerations. The PWD will execute an
agreement and issue a purchase order upon award. Please see Attachment Two for a sample of the
agreement. Any exceptions to the agreement must be stated in the vendor’s bid.
A pre-bid site visit will be held Thursday November 19th, at 10am, at 488 Spurwink Ave, Cape
Elizabeth. All questions related to this RFB must be submitted in writing before the deadline listed
below. When submitting a question, please include the name of your organization and contact
information. The answers to all questions will be provided to all bidders.
Bids must be submitted electronically to wgilbert@pwd.org via an email attachment or link to a secure FTP
site. Bids must be received by PWD by deadline listed above and below. Signed copies of Attachment Three
and Attachment Four must be included in the bid. Late or incomplete bids will not be accepted.
RFB SCHEDULE & DETAILS
ATTACHMENTS:
Attachment 1: Scope of Work & Drawings
Attachment 2: Sample Agreement for Services (executed upon award, do not sign)
Attachment 3: Instructions & Conditions sign and submit with bid (RETURN WITH BID)
Attachment 4: Bid sheet sign and submit with bid (RETURN WITH BID)
RFB SCHEDULE:
11/5/26- Email RFB to vendors
11/5/26 to 11/23/26 - Question and answer period, questions sent to wgilbert@pwd.org
Answers to all questions will be shared
11/19/26: Pre-bid site visit, 10 am at 488 Spurwink Ave, Cape Elizabeth, ME 04107.
12/7/26 by 2:00PM - Bids Due
Project Complete: August 31st, 2027.
BID SECURITY:
The successful bidder will be expected to present Performance and Payment Bonds in the amount of one
hundred percent (100%) of the bid price as surety for the performance of the contract. The performance and
Payment bonds will be required prior to the execution of the contract.
POINT OF CONTACT:
All questions and bid must be submitted to contact listed below
Please use email for all questions.
Portland Water District
Wesley Gilbert, Purchasing Agent
225 Douglass Street
Portland, ME 04102
(e)wgilbert@pwd.org
(t) 207.523.5203
ATTACHMENT 1
PWD CAPE ELIZABETH WW TREATMENT PLANT BOILER REPLACEMENT SOW
Mechanical, Electrical & DDC Controls Scope of Work
1. General Scope
The Mechanical Contractor shall provide a complete turnkey replacement of the existing boiler
plant, including all labor, materials, demolition, equipment, piping, electrical work, controls,
startup, and commissioning. All new equipment shall be equivalent in capacity and performance
to the existing equipment, except for the circulating pumps as specified below.
2. Equipment Replacement
Remove and replace the following existing equipment:
• Boiler: H.B. Smith Series 28 cast-iron boiler or equivalent. Provide a new boiler with
equivalent heating capacity, complete with burner, safeties, and accessories. Boiler will
remain oil fired.
• Circulating Pumps: Remove existing pumps and replace with Bell & Gossett Series e-
80X pumps with integral VFDs, sized for the existing system's required GPM and head
pressure.
• Expansion Tank: Taco Model CBX170-125. Provide equivalent bladder-type expansion
tank.
• Air Separator: Replace existing air separator with equivalent capacity and connection
size.
• Boiler Flue: Remove and replace the existing boiler flue, within the boiler room.
Contractor can connect to existing chimney. No roof work included.
• Piping and Insulation: Replace all piping downstream of the Tee’s serving the boiler
room unit heater. Piping to be copper. Provide new insulation w/ PVC jacketing on all
new pipes.
Include all necessary piping modifications, valves, fittings, insulation, supports, and accessories
for a complete installation.
3. Electrical Scope
The Mechanical Contractor shall carry all associated electrical work, including:
• Disconnect and remove existing electrical connections.
• Provide new power wiring from the existing electrical panel to the new boiler and pumps.
• Provide new breakers, disconnects, conduit, wiring, and associated electrical components
as required.
4. DDC Controls
The Mechanical Contractor shall carry the complete DDC controls scope utilizing Honeywell
Optimizer Controls, furnished and installed by:
A+ Controls
4 Commercial Road, Scarborough, ME 04084
Controls shall include boiler enable/disable, supply and return temperature monitoring, outdoor
air reset, pump start/stop, VFD speed control, differential pressure control, equipment status,
alarms, and all necessary sensors, wiring, programming, and commissioning. Integrate with the
existing BAS.
5. Testing & Commissioning
Provide complete system flushing, pressure testing, boiler startup, combustion testing, pump and
VFD setup, DDC programming, and functional testing. Verify proper operation of all equipment
and safety controls.
6. General Requirements
• Field verify all existing equipment capacities, dimensions, electrical requirements, and
piping connections before ordering.
• Provide equipment submittals for approval prior to procurement.
• Perform all work in accordance with applicable codes and manufacturer requirements.
• Coordinate shutdowns with the Owner.
• Provide all required permits, warranties, O&M manuals, and owner training.
The Mechanical Contractor shall be responsible for providing a complete, fully operational
boiler plant, including all mechanical, electrical, and controls work.
ATTACHMENT 2
AGREEMENT BETWEEN THE
PORTLAND WATER DISTRICT
AND
«COMPANY_NAME»
«COMPANY_NAME»
1/14/26
AGREEMENT entered into this
day of «MONTH», 2025 by and between the
PORTLAND WATER DISTRICT, a quasi-municipal corporation, with a mailing address of P.O. Box
3553, Portland, ME 04104-3553 (hereinafter “PWD”), and «COMPANY_NAME» a Maine
corporation located at «ADDRESS» hereinafter the (“CONTRACTOR”).
W I T N E S S E T H:
WHEREAS, PWD has solicited bids for «PROJECT_TITLE»; and
WHEREAS, after review of the bids, PWD has determined that the CONTRACTOR has the
requisite knowledge and expertise to perform the work needed by PWD;
NOW, THEREFORE, in consideration of the mutual promises made by each party to the
other, the parties covenant and agree as follows:
1. The CONTRACTOR will furnish the materials, supplies, equipment and labor (hereinafter
the “Work”), in accordance with the specifications and instructions issued to the
CONTRACTOR by PWD and in accordance with CONTRACTOR's proposal. A copy of the
specifications is attached hereto and incorporated herein as Exhibit A. A copy of the
CONTRACTOR’s proposal is attached hereto as Exhibit B.
In the event of a conflict between the attachments and this Agreement, this agreement
shall govern.
2. CONTRACTOR covenants and agrees that all Work performed and furnished hereunder
shall be free from all defects, and that all Work shall be performed in a good
workmanlike manner. Unless a longer warranty period is specified by CONTRACTOR, all
Work provided hereunder shall be warranted by CONTRACTOR for one (1) full year from
the date of completion of all Work hereunder and acceptance thereof by the PWD.
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This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.