Appendix C - Reference pictures :

Lists C -Installation and repairing of the gas supply main (different diameters) at Public Estate,

New Territory. Works include the high pressure test for main and operating procedures for LPG Compound for gas supply.

Below pictures show the appearance of the gas equipments at the gas supply station :

1) Underground gas store tank before excavation of the bulk 2) Structure of for high pressure gas tank for gas supply only (tank capacity approx. 5 tons) 3) Different gas regulator unit for primary and secondary gas supply (system include the BY - PASS function for emergency operation purpose) 4) Repairing of the under- ground gas main. Work includes the excavation and protection work. The indicated tab is for safety purpose.

5) Ring main for gas supply pipe on the roof

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1) Underground gas store tank before excavation of the bulk	2) Structure of for high pressure gas tank for gas supply only (tank capacity approx. 5 tons)	3) Different gas regulator unit for primary and secondary gas supply (system include the BY - PASS function for emergency operation purpose)	4) Repairing of the under- ground gas main. Work includes the excavation and protection work. The indicated tab is for safety purpose.

5) Ring main for gas supply pipe on the roof