IGEM/GM/8 Part 3 Edition 2 - Fabrication, installation, testing and commissioning - Hard copy
This standard covers the installation and testing of gas meter installations. The procedures apply to all new onshore gas supply meter installations intended to carry Natural Gas of a flow rate >6 m3h-1 and maximum operating pressure ≤38 bar. They address the fabrication, installation, testing and commissioning of meter installations. It details:
- Legal considerations such as Gas Safety (Installation and Use) Regulations and Pressure Systems Safety Regulations
- General objectives and principles, including quality assurance and care of materials and equipment
- Exchange of information between parties involved
- Planning and preparation, including hazardous area classification
- Site safety
- Care of site environment
- Civil engineering works where required
- Pre-installation checks
- Fabrication and welding of pipework and components
- Assembly and installation, including electrical installation and cathodic protection
- Bypasses for equalization and testing
- Strength testing and tightness testing
- Precommissioning checks
- Purging
- Painting
- Functional tests
- Commissioning
- Post commissioning checks
- Handover information and records.