B7-F2 Heating and Ventilating _11467.pdf

This is a heating and ventilating system schematic diagram for Building No. 7, specifically the second floor plan. The document is titled "As Built" and documents the therapeutic building no. 2 and alter to building no. 7-9 located in Bedford, Massachusetts. The drawing includes detailed HVAC system layouts with various components such as ducts, registers, dampers, and ventilation equipment marked with reference numbers and specifications. The schematic contains technical notations and measurements throughout, with a comprehensive notes section in the upper right corner providing installation and operational specifications for the heating and ventilation systems. The document is identified as file folder no. 2C and references drawing number 11497, prepared by James Ritchie & Associates, Architects and Engineers. The date stamp and file references indicate this is a historical building documentation record, likely part of a larger set of construction or renovation plans for a medical or institutional facility.