D.4 ATTACHMENT 4 EXHAUST SPECIFICATIONS.pdf

This document is a detailed architectural drawing set for HVAC systems and equipment specifications. The file contains comprehensive schedules and technical details for the design and installation of heating, ventilation, and air conditioning components for a building project.

The drawings include multiple equipment schedules with detailed specifications: grille and diffuser schedules specifying size, location, and airflow requirements; exhaust fan schedules detailing fan specifications and performance ratings; supply fan schedules identifying fan units and capacity specifications; window air conditioner schedules; outside air intake hood schedules; and terminal sound attenuation unit schedules. The document also features typical air terminal unit schedules with acoustic performance data and multiple equipment mounting and connection details. Detailed schematic diagrams illustrate typical AC piping configurations for various unit combinations, direct buried refrigerant piping details, mechanical equipment support systems with seismic restraints, and outdoor equipment mounting arrangements. Additional technical details cover square vaned elbows, duct transitions, rectangular flexible connections, volume damper configurations, exhaust and return branch duct specifications, supply duct takeoff details, ceiling diffuser takeoff configurations, VAV handling unit drain traps, duct connector details, and exhaust fan mounting specifications. The drawings are prepared by Architects Hawaii Limited and dated May 3, 2005, with drawing number HD-144 indicated on the title block. All schedules and details are presented with corresponding reference numbers for cross-referencing throughout the design documentation.