B7-F1 Heating and Ventilating _11464.pdf

This is a heating and ventilation system schematic for Building No. 7, a historic building in Bedford, Massachusetts. The document is an "As Built" technical drawing that details the first floor plan layout of the HVAC system installation. The drawing shows the system configuration as it was constructed, serving as a reference document for the building's mechanical systems. The schematic includes detailed piping layouts, ductwork routing, equipment locations, valve placements, and interconnections throughout the first floor of the structure. A legend and reference drawing list are provided in the upper right corner to explain the various symbols and components used throughout the plan. The document is dated and includes official certification stamps and signatures from the design and construction teams responsible for the project.