Mass. Gen. Laws ch. 70B § 20
The authority shall, in cooperation with a school district or municipality, submit plans or blueprints approved by the authority, associated with approved construction, renovation or reconstruction of a school building, to the local police department, fire department, Massachusetts emergency management agency and any regional law enforcement entity. The plans shall identify points of entry into a school building, emergency access routes for ingress or egress and other public safety features, including, but not limited to: fire hydrants, utility access points and stairwells. Any department in receipt of such plans may submit comments to the authority and school district. Upon completion of the approved construction, the authority shall, subject to appropriation, in cooperation with a school district or municipality, submit updated, as-built plans to the local police department, fire department, Massachusetts emergency management agency and any regional law enforcement entity, a copy of which shall be maintained on file by each department or agency in receipt of the plans. Plans submitted pursuant to this section shall be deemed confidential and shall not be considered public records under clause Twenty-sixth of section 7 of chapter 4.
Mass. Gen. Laws ch. 70B, § 20