IGEM/GM/8 Part 3 Edition 2 - Fabrication, installation, testing and commissioning - Digital (3 year)
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.