> OSHA requires some type of protective system, such as a box, for any trench deeper than 5 feet.
The house next to me had a gas leak, and PG&E dug about six feet down to fix it (judging by the workers standing in the bottom). I didn't see any protective walls in there.
The house next to me had a gas leak, and PG&E dug about six feet down to fix it (judging by the workers standing in the bottom). I didn't see any protective walls in there.