Quote:
Originally Posted by CaberTosser
The required depth is 18" from finished grade to the top of the service line. Depending on the material your installer chooses to use he may be sleeving it as well, such as if CSST is used (CSST is the yellow plastic jacketed stainless steel tubing you'll notice a lot of these days; most commonly used in fireplace installations). Suitable sleeving could be corlon or abs pipe.
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X2
While at it you can put the electrical line in the same trench but it needs to be, I believe it's 3 ft down with sand and a preasure treated board over it, then the gas line on top of it at the 18" mark or lower.