DCR Rink Roofs and Solar Project This project consists of installing photovoltaic panels on one recreational facility roof and two rink roofs. The systems include the panels, raceways, conductors, invertors, and connection to the existing buildings electrical equipment. A new roof is included at the Bajko Rink that must be installed prior to installation of the solar panels. Work shall include providing DCR with all assistance necessary in registering the roof photovoltaic systems with the required State Agencies and Utilities to bring the systems online and make fully functional. The estimated project: $3,600,000 Alternate 1 Installation of additional solar panels at the Bajko Rink to cover the roof in its entirety is available as an Alternate as part of the Bid. The Estimate amount for the Alternate is $750,000. It is at the discretion of DCR to exercise the Alternate as part of the work. The work is to be accomplished within 1,095 calendar days of a notice to proceed. Liquidated damages in the amount of $ 1,000 per day will be assessed if the work has not been completed in accordance with the provisions of the contract within the time specified (as extended by any authorized extension of time granted in accordance with the contract provisions). The proposed contract includes a combined requirement of 10.4% of the bid price for minority-owned business enterprises and women-owned business enterprises. Proposed MBE/WBE plans that include solely MBE or solely WBE , or do not include a reasonable amount by both MBE and WBE firms to meet the combined requirements, will not be considered responsive. The applicable local minority workforce utilization percentage is a minimum requirement of 15.3%. The applicable local women workforce utilization percentage is a minimum requirement of 6.9%. The Commonwealth requires participation of Veteran-Owned Business Enterprises (“VOBE”) on its construction projects. The Veteran-Owned Business Enterprise benchmark for this contract is 3.0%. Each bid must be accompanied by a bid deposit, payable to the Department of Conservation and Recreation in the amount of 5% of the bid. Bid Bonds must be submitted electronically, please ensure your company and your bonding agent's company register with one of the Bid Bond agencies affiliated with Bid Express: If you need additional assistance, please call the Bid Express Customer Support Team at 888-352-2439, available Monday - Friday from 7:00am – 8:00pm (EST). You can also email the team support@bidexpress.com or refer to the Vendor Resource page Bids are subject to the provisions of M.G.L. Ch. 149, sections 44A to H, inclusive. In addition, bids are also subject to Ch. 30, Sect. 39F, G, H and M inclusive. Wages are subject to minimum wage rates as per Mass. Gen. L. Ch. 149, sections 26 to 27D inclusive. The Department reserves the right to waive any informalities in or to reject any and all bids if it be in the public interest to do so. All Bidders for this project are required to be certified with the Massachusetts Division of Capital Asset Management and Maintenance (DCAMM) Roofing Category and must submit with the bid an update of their respective qualifications. Brian M. Arrigo, Commissioner Massachusetts Department of Conservation and Recreation

Sub Bids: Masonry Work, Roofing & Flashing, and Painting: Upper Lock Building Renovations This project consists of the replacement of existing roof, including but not limited to a new slate roof, new roof trim and flashing, new soffits, new gutters and down spouts, repair / restoration of original wood eave brackets, and repair of existing steal roof structure. Exterior work also included repointing of existing brick and granite walls 100%, and various repairs as indicated in the drawings. The estimated project Base Bid cost is $1,350,000 . The work is to be accomplished within 180 calendar days of a notice to proceed. Liquidated damages in the amount of $2,000. per day will be assessed if the work has not been completed in accordance with the provisions of the contract within the time specified (as extended by any authorized extension of time granted in accordance with the contract provisions). The proposed contract includes a combined requirement of 10.4% of the bid price for minority-owned business enterprises and women-owned business enterprises. Proposed MBE/WBE plans that include solely MBE or solely WBE , or do not include a reasonable amount by both MBE and WBE firms to meet the combined requirements, will not be considered responsive. The applicable local minority workforce utilization percentage is a minimum requirement of 15.3%. The applicable local women workforce utilization percentage is a minimum requirement of 6.9%. The Commonwealth requires participation of Veteran-Owned Business Enterprises (“VOBE”) on its construction projects. The Veteran-Owned Business Enterprise benchmark for this contract is 3.0%. Each bid must be accompanied by a bid deposit, payable to the Department of Conservation and Recreation in the amount of 5% of the bid. Bid Bonds must be submitted electronically, please ensure your company and your bonding agent's company register with one of the Bid Bond agencies affiliated with Bid Express: If you need additional assistance, please call the Bid Express Customer Support Team at 888-352-2439, available Monday - Friday from 7:00am – 8:00pm (EST). You can also email the team support@bidexpress.com or refer to the Vendor Resource page Bids are subject to the provisions of M.G.L. Ch. 149, sections 44A to H, inclusive. In addition, bids are also subject to Ch. 30, Sect. 39F, G, H and M inclusive. Wages are subject to minimum wage rates as per Mass. Gen. L. Ch. 149, sections 26 to 27D inclusive. The Department reserves the right to waive any informalities in or to reject any and all bids if it be in the public interest to do so. All Bidders, both Sub and General, for this project are required to be certified with the Massachusetts Division of Capital Asset Management and Maintenance (DCAMM) for the work they are bidding on. The General Bidder shall have DCAMM certification in the category of Historic Building Restoration and all must submit with the bid an update of their respective qualifications. Brian M. Arrigo Massachusetts Department of Conservation and Recreation

Mass Central Rail Trail Waltham-Weston, Phase 1 Waltham, MA and Weston, MA This project consists of the rehabilitation of an existing railroad truss bridge over the MBTA Fitchburg Commuter Rail tracks and the construction of a shared use path to Jones Road in Waltham. The estimated project cost is $ 2,548,251.30. The work is to be accomplished within 730 calendar days of a notice to proceed. Liquidated damages in the amount of $1,000.00 per day will be assessed if the work has not been completed in accordance with the provisions of the contract within the time specified (as extended by any authorized extension of time granted in accordance with the contract provisions). Bidders must be pre-qualified by the Massachusetts Dept. of Transportation (MassDOT) Highway Division in Highway-Bike Paths to bid on the above project. An award will not be made to a Contractor who is not pre-qualified by MassDOT prior to the opening of Proposals. The proposed contract includes a combined requirement of 10.4% of the bid price for minority-owned business enterprises and women-owned business enterprises. Proposed MBE/WBE plans that include solely MBE or solely WBE, or do not include a reasonable amount by both MBE and WBE firms to meet the combined requirements, will not be considered responsive. The applicable local minority workforce utilization percentage is a minimum goal of 15.3%. The applicable local women workforce utilization percentage is a minimum goal of 6.9%. The Commonwealth requires participation of Veteran-Owned Business Enterprises (“VOBE”) on its construction projects. The Veteran-Owned Business Enterprise participation benchmark for this contract is 3.0%. Each bid must be accompanied by a bid deposit, in the form of a bid bond, cash, certified check, or a treasurer's or cashier's check issued by a responsible bank or trust company, payable to the Department of Conservation and Recreation in the amount of 5% of the bid. Each bid must be submitted through DCR’s E-Bid room at www.bidexpress.com/businesses/36765/home. Please ensure that your bid is complete and marked as responsive when submitting through DCR’s Bid room. Any bids found to be incomplete and/or marked unresponsive will be rejected by DCR and will not be considered when awarding the project. Bids are subject to the provisions of M.G.L. Ch. 30, Sect. 39F, G, H and M inclusive. Wages are subject to minimum wage rates as per M.G.L. Ch. 149, sections 26 to 27D inclusive. The Department reserves the right to waive any informalities in or to reject any and all bids if it be in the public interest to do so. Brian M. Arrigo, Commissioner Massachusetts Department of Conservation and Recreation

Charles River Reservation, Riverwalk Park Waltham, MA This project consists of the reconstruction of a segment of the Charles River Greenway between Moody Street and Prospect Street in Waltham. In addition to reconstruction of the shared use path, the project includes invasive removal, stormwater infrastructure, riverbank stabilization, bench restoration, and landscaping. The estimated project cost is $ 1,495,574. The work is to be accomplished within 730 calendar days of a notice to proceed. Liquidated damages in the amount of $1,000.00 per day will be assessed if the work has not been completed in accordance with the provisions of the contract within the time specified (as extended by any authorized extension of time granted in accordance with the contract provisions). Bidders must be pre-qualified by the Massachusetts Dept. of Transportation (MassDOT) Highway Division in Highway-Bike Paths to bid on the above project. An award will not be made to a Contractor who is not pre-qualified by MassDOT prior to the opening of Proposals. The proposed contract includes a combined requirement of 10.4% of the bid price for minority-owned business enterprises and women-owned business enterprises. Proposed MBE/WBE plans that include solely MBE or solely WBE, or do not include a reasonable amount by both MBE and WBE firms to meet the combined requirements, will not be considered responsive. The applicable local minority workforce utilization percentage is a minimum goal of 15.3%. The applicable local women workforce utilization percentage is a minimum goal of 6.9%. The Commonwealth requires participation of Veteran-Owned Business Enterprises (“VOBE”) on its construction projects. The Veteran-Owned Business Enterprise participation benchmark for this contract is 3.0%. Each bid must be accompanied by a bid deposit, in the form of a bid bond, cash, certified check, or a treasurer's or cashier's check issued by a responsible bank or trust company, payable to the Department of Conservation and Recreation in the amount of 5% of the bid. Each bid must be submitted through DCR’s E-Bid room at www.bidexpress.com/businesses/36765/home. Please ensure that your bid is complete and marked as responsive when submitting through DCR’s Bid room. Any bids found to be incomplete and/or marked unresponsive will be rejected by DCR and will not be considered when awarding the project. Bids are subject to the provisions of M.G.L. Ch. 30, Sect. 39F, G, H and M inclusive. Wages are subject to minimum wage rates as per M.G.L. Ch. 149, sections 26 to 27D inclusive. The Department reserves the right to waive any informalities in or to reject any and all bids if it be in the public interest to do so. Brian M. Arrigo, Commissioner Massachusetts Department of Conservation and Recreation

Annual Maintenance and Service to HVAC and Plumbing Systems at Various Flood Control/Navigational Facilities Location: Boston/Charlestown, Somerville, Everett, Dorchester, Revere, Dedham, Newton and Hyde Park This project consists of Providing annual maintenance and service of Industrial Heating Ventilation and air Conditioning (HVAC) and plumbing systems at Various Flood Control /Navigational Facilities. The estimated project: $ 300,000.00 The work is to be accomplished within 730 calendar days of a notice to proceed. Liquidated damages in the amount of $ 500.00. per day will be assessed if the work has not been completed in accordance with the provisions of the contract within the time specified (as extended by any authorized extension of time granted in accordance with the contract provisions). The proposed contract includes a combined requirement of 10.4% of the bid price for minority-owned business enterprises and women-owned business enterprises. Proposed MBE/WBE plans that include solely MBE or solely WBE , or do not include a reasonable amount by both MBE and WBE firms to meet the combined requirements, will not be considered responsive. The applicable local minority workforce utilization percentage is a minimum requirement of 15.3%. The applicable local women workforce utilization percentage is a minimum requirement of 6.9%. The Commonwealth requires participation of Veteran-Owned Business Enterprises (“VOBE”) on its construction projects. The Veteran-Owned Business Enterprise benchmark for this contract is 3.0%. Each bid must be accompanied by a bid deposit, payable to the Department of Conservation and Recreation in the amount of 5% of the bid. Bid Bonds must be submitted electronically, please ensure your company and your bonding agent's company register with one of the Bid Bond agencies affiliated with Bid Express: If you need additional assistance, please call the Bid Express Customer Support Team at 888-352-2439, available Monday - Friday from 7:00am – 8:00pm (EST). You can also email the team support@bidexpress.com or refer to the Vendor Resource page Bids are subject to the provisions of M.G.L. Ch. 149, sections 44A to H, inclusive. In addition, bids are also subject to Ch. 30, Sect. 39F, G, H and M inclusive. Wages are subject to minimum wage rates as per Mass. Gen. L. Ch. 149, sections 26 to 27D inclusive. The Department reserves the right to waive any informalities in or to reject any and all bids if it be in the public interest to do so. All Bidders for this project are required to be certified with the Massachusetts Division of Capital Asset Management and Maintenance (DCAMM) in Both HVAC & PLUMBING and must submit with the bid an update of their respective qualifications. Brian M. Arrigo Massachusetts Department of Conservation and Recreation