ATTACHMENT 5 - DRAWINGS.pdf

This is a technical schematic diagram illustrating a heating system configuration dated 11/12/2025. The system depicts a dual-boiler arrangement on a rooftop feeding into a centralized boiler room setup with pressure and flow control components.

The rooftop section contains three boilers (labeled Boiler 1, 2, and 3) configured with parallel red supply lines and blue return lines that converge at a central mixing point before entering a storage tank. The boiler room section shows a pressure relief system with gauges indicating PC 3.5 bar and P2 10 bar operating ranges, connected to dual manifolds. The system includes a circulation pump (marked "NEW PUMP") and flow control elements (indicated by valve symbols). Return flow from the manifolds cycles back through a heat exchanger with coil configuration to the boiler supply. The schematic demonstrates a closed-loop heating distribution network designed to manage pressure differentials and regulate thermal flow between multiple heat sources and end-use points, with provision for system expansion or replacement of pump components.