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Electronic Code of Federal Regulations

e-CFR Data is current as of November 20, 2014

Title 46Chapter ISubchapter FPart 58Subpart 58.20 → §58.20-15


Title 46: Shipping
PART 58—MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS
Subpart 58.20—Refrigeration Machinery


§58.20-15   Installation of refrigerating machinery.

(a) Where refrigerating machines are installed in which anhydrous ammonia is used as a refrigerant, such machines shall be located in a well-ventilated, isolated compartment, preferably on the deck, but in no case shall it be permissible to install such machines in the engineroom space unless the arrangement is such as to eliminate any hazard from gas escaping to the engineroom. Absorption machines using a solution of aqua ammonia and machines using carbon dioxide are exempt from this requirement, provided the maximum charges that might be released in the event of breakage do not exceed 300 pounds.

(b) Machinery compartments containing equipment for ammonia shall be fitted with a sprinkler system providing an effective water spray and having a remote control device located outside the compartment.

(c) All refrigeration compressor spaces shall be effectively ventilated and drained and shall be separated from the insulated spaces by a watertight bulkhead, unless otherwise approved.

[CGFR 68-82, 33 FR 18878, Dec. 18, 1968, as amended by USCG-2004-18884, 69 FR 58346, Sept. 30, 2004]



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