Section 1 General

101. General

1. LPG(hereinafter referred to as "gas") system for domestic use are to be of the vapour-withdrawal type, i.e. fuel released only under gas condition.

2. Gas systems are to be designed and installed so as to avoid leaks and the risk of explosion and be capable of being tested for leaks.

3. Gas system and all its components are to be capable of withstanding storage at -30 ℃ as well as vibration and exposure in a marine environment.

4. All gas appliances installed on the craft are to be designed for use at the same working

to +60 ℃,

pressure.

5. Each system is to be fitted with a pressure gauge. The pressure gauge is to read the cylinder pres- sure side of the pressure regulator.

6. A sign is to be fixed in the vicinity of the cylinder shut off valve listing the leak test procedure using the pressure gauge:

(1) With appliance valves closed, open the cylinder valve;

(2) Close cylinder valve, observe pressure on gauge for 3 minutes;

(3) If pressure remains constant, no leak is present. If pressure fails, a leak exists. Do not use gas system until leak is repaired.

7. Each appliance is to be equipped with a flame failure device effective on all burners. Each gas- consuming appliance must be supplied by a separate branch of the distribution system, and each appliance must be controlled by a separate closing device.

8. Adequate ventilation must be provided to prevent hazards from leaks and products of combustion.

9. All craft with a permanently installed gas system are to be fitted with an enclosure to contain all gas cylinders. The enclosure are to be separated from the living quarters, accessible only from the outside and ventilated to the outside so that any escaping gas drains overboard.

10. Any permanent gas system is to be tested after installation.