514-3275003-12_91762335.pdf
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- MO FY27 Thomas Jefferson Drydock REFERENCES and ATTACHMENTS Federal contract opportunity
- Solicitation number
- 1305M226Q0100REF
About this file
This is a technical specification and design drawing document for air conditioning piping installation on the NOAA vessel Thomas Jefferson (FSCSLE Deck & ABV). The document, approved as amended per ABS requirements with reference letter T1431065 dated November 5, 2015, establishes design parameters and installation requirements for a refrigeration piping system.
The system is designed for Design Temperature of 130°F and Design Pressure of 601 psi, classified as Class I with a Hydro Test Pressure of 901 psi. The piping material specified is B280 copper tubing at 0.042" wall thickness per ASTM B280, with multiple "or equal" alternatives permitted throughout. The document includes comprehensive details across 80 pages featuring material lists organized by quantity for one ship, detailed part plans (Plans 14-A through 71-E), key plans showing bridge deck and forecastle deck layouts, and cleaning notes. General notes address fabrication, brazing, inspection requirements for refrigerant piping, proper support using hangers per specifications, and identification marking in accordance with ASTM B600-86. The system incorporates multiple mechanical and control components including Mueller refrigeration service valves, various fittings and couplings, condensing units, solenoid valves, and a comprehensive piping schematic showing controller connections. Label plates are provided in a detailed list specifying quantities and locations for system identification. The installation is subject to ABS approval and Washington Letter specifications, with all proposed deviations or substitutions requiring explicit ABS concurrence prior to procurement or installation.
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Text version
MarineSystemsCorporation
Per a conversation between ABS and MSCorp on October 02, 2015 the following applies:
Design T: 130F Design P: 601 psi Class I Hydro Test Pressure: 901 psi
B280
.042", per ASTM B280
(OR EQUAL)
(OR EQUAL)
(OR EQUAL)
(OR EQUAL)
(OR EQUAL)
(OR EQUAL)
(OR EQUAL)
(OR EQUAL)
See A
BS W
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1431065 D ate d 0 5-N
OV-2
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