What is the minimum depth an individual gas line to an outdoor barbeque grill must be installed below finished grade?

• A. 4 inches
• B. 6 inches
• C. 8 inches
• D. 10 inches

Answer: (C)

The correct answer is based on the standards and safety regulations established for the installation of gas lines, particularly concerning outdoor uses. For an individual gas line serving an outdoor barbeque grill, the minimum burial depth is typically set at 8 inches below the finished grade. This depth is intended to provide adequate protection from physical damage and environmental conditions that could affect the integrity of the gas line over time.

Installing the line at this minimum depth ensures that it is less susceptible to damage from lawn equipment, shifting soil, and other outdoor activities. Additionally, it helps prevent accidental strikes during excavation or installation of other outdoor features, maintaining safety for users of the barbeque grill as well as for anyone working in the surrounding area.

While other depths may be considered, those do not align with current standards that prioritize safety and functionality for gas service to barbeque installations.