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e-CFR data is current as of November 27, 2020

Title 46Chapter ISubchapter HPart 76Subpart 76.33 → §76.33-15


Title 46: Shipping
PART 76—FIRE PROTECTION EQUIPMENT
Subpart 76.33—Smoke Detection System, Details


§76.33-15   Piping.

(a) Individual pipes must be not less than 34 -inch standard pipe size.

(b) All piping, valves, and fittings of ferrous materials must be protected inside and outside against corrosion unless specifically approved otherwise by the Commandant.

(c) Where a smoke detection system serves a space used alternately for liquid and dry cargo, a valve must be installed between the tank and the detection cabinet so that the line may be shut off when liquids are carried. When the smoke detection system is combined with a fire extinguishing system, the operation of the valve must not affect the operation of the fire extinguishing system.

(d) All piping, valves, and fittings must be securely supported, and where necessary, protected against injury. The piping must be installed with as easy bends as practicable, and must be installed to grade to low points for drainage.

(e) Drains and dirt traps must be fitted where necessary to prevent the accumulation of dirt or moisture.

[CGFR 65-50, 30 FR 16940, Dec. 30, 1965, as amended by USCG-2012-0832, 77 FR 59779, Oct. 1, 2012; USCG-2012-0196, 81 FR 48259, July 22, 2016]

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