Natural Gas Piping

Read revision 7

Revision 7 · Oct 19, 2026 +1 −1

Remake batch 25 and its neighbor re-points, batch 24 where missing, and the adopted-electrical-code parameter: brought in line with the authoring repository
Showing changes from Rev 6 to Rev 7 in Natural Gas Piping.
---
title: Natural Gas Piping
…544 unchanged lines
```
−## Piping shall be marked with the legend and a directional flow arrow at intervals along each run, at each side of a wall or floor penetration, and at each valve and regulator, in accordance with [[sync/equipment-labeling]].
+## Piping shall be marked with the legend and a directional flow arrow at intervals along each run, at each side of a wall or floor penetration, and at each valve and regulator, in accordance with [[sync/mechanical-identification]].
## In areas where the building has multiple piped services, gas piping shall be distinguished by color or banding from water, compressed air, and other services so it is not mistaken for another system.
…176 unchanged lines
## Any leak attributable to a field joint, any regulator or overpressure device that fails to perform as specified, and any corrosion failure of buried steel within the warranty period shall be corrected at the Contractor's expense, including the cost of locating the leak, repairing the piping, re-testing, and re-purging the affected section.

View current revision