Attachment_2_-_Drawing.pdf

This document is a comprehensive mechanical systems design specification and drawing set for a federal building HVAC, plumbing, and related mechanical infrastructure project under the Department of Interior, Bureau of Land Management.

The drawings depict detailed mechanical plans, schematics, and schedules for air separators, expansion tanks, air-cooled condensing units, glycol make-up units, pump schedules, boiler operations, sump pump systems, plumbing fixture connections, air handling units, fan schedules, duct heating coils, plumbing schedules, intake/exhaust hall louvers, variable air volume terminals, and related HVAC components. Key mechanical systems documented include chilled water loops, hot water heating plants, glycol circulation systems, pumping arrangements, boiler configurations, and ductwork distribution networks. Control schematics detail energy management control systems with multiple sensor points, VAV box controls, electric room TC controls, heating plant controls, and flow diagram logic. The specification includes mechanical abbreviations legend, HVAC abbreviations reference, and various technical sections addressing underground duct details, duct coil details, vent thru roof details, floor cleanout details, surface cleanout details, water service entrance details, water softener piping, hall cleanout details, floor drain details, water heater details, sump pump details, and transfer duct details. Temperature control legends and component schedules provide equipment specifications and operational parameters for the integrated mechanical systems serving the facility.