514-3275003-12 Rev A AC PP INSTALL FCSLE DK and ABV.pdf

This document is a technical drawing and specification set for AC piping installation on the FCSLC Deck and ABV (Air Handling Units) of the NOAA Thomas Jefferson vessel. The drawing package, prepared by MSCorp for the National Oceanic and Atmospheric Administration, provides comprehensive details for refrigeration piping systems, including material lists, installation schematics, and performance specifications across multiple decks (Forecastle, Upper, and Bridge decks).

The specification includes detailed material schedules with tubing sizes ranging from 1/4" to 1 1/4" OD in copper construction to meet ASTM-B280 standards, along with associated fittings, braces, labels, and sealing components. Key installation requirements address refrigeration piping for Mueller equal tube refrigeration service, proper support using hangers suitable for wet environments, and segregation from other ship machinery. Critical performance specifications mandate that piping be properly supported to prevent stress on equipment, that the system be cleaned and flushed prior to operation, and that all work comply with marine construction standards. Test notes specify pressure testing at 150 PSIG and 90 PSIG for various system components, vacuum testing procedures, and requirements for system operation verification. The drawings illustrate piping routing across multiple compartments including staterooms, galleys, officers' quarters, engineering spaces, and machinery areas, with detailed connection schematics for air conditioning units and refrigeration service loops located throughout the vessel.