The Greater Portland Transit District (“GPM”) is accepting electronic proposals for this solicitation: Title:            HVAC Preventative Maintenance

RFP # 2026-015

Bid Submission Deadline: Monday, November 16, 2026 @ 2:00 pm

A Pre-Bid Site Walk will be held on Wednesday, November 4, 2026 @ 1:00 pm at the offices of GPM located at 114 Valley Street, in Portland, Maine.

Other important dates related to the bidding process:

Final day for Questions:            Monday, November 9, 2026 @ 2:00 p.m.  Responses to Questions Posted: Wednesday, November 11, 2026 @ 2:00 p.m. 

Estimated Award Date:             Wednesday, November 18, 2026

Bid forms and related documents may be obtained by using our electronic bidding system:

Colbi Secure Bids at https://securebids.com/o/gptd/RFP2026-015

A.     QUESTIONS ABOUT THIS REQUEST FOR RFP

All general questions regarding the bidding process or submission requirements, as well as any technical questions regarding this solicitation must be directed to Frank Suszczynski, Procurement Manager (the “Procurement Officer”) via email at fsuszczynski@gpmetro.org. All email inquiries must reference the above-listed solicitation title and RFP number and include the name, phone number, and email address of the bidder or prospective bidder (“Bidder,” as context dictates).

Responses to questions will be prepared by GPM as an addendum to this Request for Bids. All addenda issued will be uploaded to the electronic bidding system for all registered Bidders to view. Please register per the instructions below to receive notice of any changes, clarifications, and addenda related to this solicitation.

B.     IMPORTANT INFORMATION FOR BIDDERS

1. Proposal Must Be Submitted Before the Deadline. It is the responsibility of the Bidder to ensure that their bid is submitted prior to the bid submission date and time. No bids will be accepted after this deadline.

• Electronic Registration. In order to participate in this solicitation, Bidders must register at colbisecurebids.com. This process takes less than two minutes. This will allow a Bidder to view all documents related to the solicitation (including any and all updates, clarifications, and amendments), and to submit a bid.

• Electronic Submission. GPM will only accept bids submitted electronically through our electronic bidding system: Colbi Secure Bids at colbisecurebids.com. All bids must be submitted in strict compliance with the instructions in this Request for Bids. The bid forms include several forms that must be completed and returned with a bid. Failure to comply with instructions or failure to

complete and submit all required forms may be cause for disqualification of the Bidder and rejection of the Bidder’s bid. GPM reserves the right to reject any or all bids.