6851.docx

MASSACHUSETTS WATER RESOURCES AUTHORITY

ADVERTISEMENT FOR BIDS

The Massachusetts Water Resources Authority will receive electronic General Bids on the MWRA Supplier Portal (https://supplier.mwra.com) for Deer Island Chemical Piping Replacement, MWRA Contract No. 6851, until 2:00 p.m., Wednesday, July 29, 2026, after which the General Bids will be publicly available.

Prior to the receipt of General Bids, the Massachusetts Water Resources Authority will receive Filed Sub-Bids for the sub-trades listed below on the Supplier Portal (https://supplier.mwra.com) for Deer Island Chemical Piping Replacement (SUB BIDS), MWRA Contract No. 6851, until 11:30 a.m., Wednesday, July 1, 2026.

Contract documents will be posted on the Supplier Portal on or after Wednesday, May 27, 2026.

Please Note: The only way to access the contract documents and to submit any bids for this project is to register on the Supplier Portal (https://supplier.mwra.com) and join the Plan Holders’ list.

Filed Sub-Bids will be received on the Supplier Portal under Event #6664 – Deer Island Chemical Piping Replacement, MWRA Contract No. 6851. Once Filed Sub-Bids have been received, Event #6664 will be closed and a new bid Event for General Bids will be created on the Supplier Portal. A Filed Sub Bid Tab that delineates the accepted Sub-Bids will be distributed to Plan Holders on the General Bid Event. No paper bids will be accepted for either bid event.

In order to view the Contract documents, General Bidders MUST join the Plan Holders list for the Filed Sub-Bid Event #6664. General Bidders MUST then become a Plan Holder for the new General Bid Event once it opens in order to submit their General Bid.

A pre-bid conference and site visit will be held on Wednesday, June 10, 2026, at 10:00 AM at the Deer Island Treatment Plant located in Boston/Winthrop, MA. Interested parties must contact Jenna Surette at jenna.surette@mwra.com before 3:00 p.m., on Tuesday, June 9, 2026 for access information.

The work includes, but is not limited to, replacement of all required underground and aboveground chemical piping between the Tank Farm and Disinfection Gallery at the Deer Island Wastewater Treatment Plant.

The estimated project cost is: $7,353,000.00.

Each General Bid must be accompanied by a current Certificate of Eligibility issued by the Division of Capital Asset Management and Maintenance (DCAMM) showing that the bidder has the classification and capacity rating to perform the Work and an Update Statement. In order to be eligible to bid, a General Bidder must be certified in the following category of work:

Sewage and Water Treatment Plants

Each Filed Sub-Bid must be accompanied by a current Certificate of Eligibility issued by DCAMM showing that the Sub-Bidder has been certified to participate on public construction projects and perform the class of work for which the Sub-Bid is submitted. Each Filed Sub-Bid must also be accompanied with an Update Statement. Filed Sub-Bids will be required on the following classes of work:

Division Sub-trades

16 Electrical Work

This contract is subject to 7.24% MBE and 3.6% WBE participation requirement.

Date: May 23, 2026

S/W-149 P w/ subs 00030-1 Rev. 1-9/17