Provide Construction Manager (CM) related services to upgrade, modify and prepare the Green Line Riverside (Newton) and Innerbelt (Somerville) Vehicle Maintenance Facilities buildings to receive, assemble, test and commission, as well as support maintenance operations for the new low-floor Type 10 light-rail vehicles (LRVs). The work encompasses track, pits and work platforms extension, re-sectionalization of overhead catenary, floor structure reinforcement, mechanical-HVAC, mechanical-hoist, fire protection, contaminated materials management, electrical, plumbing and stinger system upgrade.