Gas Installation Types
- low-pressure installation (up to 350mbar)
- medium pressure-fed installation (up to 8.6bar)
< Go Back | 2013-03-16 |
Underfloor installation
- 150mm away from electrical meters
- 25mm away from any electricity supply cables or metallic services
- BS 6891 - protected against damage and corrosion
- Notching:
- MAX depth is D/8
- S/14<Position from the wall<S/4
- Drilling:
- MIN distance apart = 3Ø
- S/4<Position from the wall<2/5S
- MAX diameter = D/4
- Chasing:
- horizontal = T/6
- vertical = T/3
< Go Back | 2013-03-16 |
Equipotential Bonding
- MAX within 600mm of the meter
- 10mm2 minimum cable size
- 1200mm - minimum length
< Go Back | 2013-03-16 |
Exterior Pipework
- External control valve where the gas pipe leaves the dwelling
- MIN 375mm depth for buried pipework in driveways, open soil , lawns or gravel paths
- MIN 40mm depth for buried pipework under pedestrian concrete path
< Go Back | 2013-03-16 |