2.4.1(l) Attachment L-C54 As-Bilt 5 Roof Plan 5 HVAC Expansion.pdf

This document is an architectural drawing and specification set for HVAC system expansion at a building facility. The drawing shows a detailed floor plan layout with multiple HVAC units, ductwork routing, and equipment positioning across several zones or floors, accompanied by elevation views and a curb-mounting detail schematic for HVAC unit installation. The document is prepared by Vector Engineering, Inc., dated November 29, 1987, and includes revision information and engineering approval signatures.

The specifications detail the mechanical system expansion requirements including unit placement, dimensional requirements, connection details, and installation procedures. The drawing incorporates general notes addressing roof penetrations, structural considerations, equipment coordination with existing systems, and maintenance access requirements. The HVAC curb mounting detail provides specific installation guidance for securing rooftop units with provisions for vibration isolation and weatherproofing. This appears to be a construction or renovation project specification for institutional or commercial building infrastructure, providing the technical documentation necessary for contractor installation and system integration.