How deep must underground piping or tubing be buried under a residential lawn?

The correct depth for underground piping or tubing under a residential lawn is specified to be 15 inches. This depth is determined based on several factors, including protection from surface activities, frost heave, and the risk of accidental damage from gardening or landscaping activities.

When buried at this specified depth, the piping is less likely to be disturbed or disrupted by surface-level maintenance or natural ground shifts. Additionally, the 15-inch requirement helps to ensure that the piping remains insulated from freezing temperatures to prevent blockages or damages that could occur due to temperature fluctuations.

This standard aligns with regulations set forth by various building codes and safety guidelines that focus on preventing hazards and ensuring the integrity and longevity of gas piping systems. Maintaining the correct burial depth is crucial for safety, efficiency, and reliability in a residential setting.