IGEM/GM/8 Part 4 Edition 2 - Operation and maintenance - Digital (1 year)
These procedures apply to all new onshore gas supply meter installations carrying natural gas of flow rate >6 m3h-1 and maximum operating pressure up to and not exceeding 38 bar. It deals with the operation and maintenance of relevant installations. It details:
- Legal considerations such as Gas Safety (Installation and Use) Regulations and Electricity at Work Regulations
- General principles such as work systems, emergency arrangements and maintenance philosophies
- Operational checks and tests
- Record keeping.
- diaphragm
- rotary displacement (RD)
- turbine
- ultrasonic.