A.03.09 Drawing - 2nd Floor HVAC.pdf

This document is a detailed engineering drawing for safety rays and exhaust fan details for a U.S. Army Corps of Engineers project at Lower Monumental Lock and Dam. The technical drawing includes multiple detailed sections (Sections A, B, C, and D) illustrating precise mechanical and structural specifications for exhaust fan installations, with specific annotations for mounting, dimensions, and construction details. The drawing is part of the contract numbered 92-C-08 and appears to be related to HVAC system replacement in a laboratory or facility building, with meticulous technical specifications for ventilation components.

The drawing includes a comprehensive notes section detailing technical requirements, material specifications, and installation guidelines. The document is highly technical, featuring precise architectural and engineering drawings with gridded layouts, section views, and detailed mechanical annotations. The drawing is specifically for the Lower Monumental, Washington project and includes specific mounting, materials, and structural integration details for exhaust fan systems, suggesting a detailed engineering approach to HVAC system component installation.