Trench -

: Always call your local utility company to mark underground lines before you break ground.

: Ladders must extend at least 3 feet above the top of the trench.

Whether you are installing a French drain or laying electrical cables , follow these steps: trench

: Trenches 5 feet or deeper must have a protective system like shoring or a trench box .

: For drainage, maintain a downward slope of at least 1 inch for every 10 feet to ensure water flows. Standard Dimensions : Electrical : Typically 24 inches deep and 6-12 inches wide. Drainage : Usually 18 inches deep and 9-12 inches wide. Safety Rules (The 5-4-3-2-1 Rule) : : Always call your local utility company to

: Requires a ladder or ramp for exit, located within 25 feet of workers.

: Keep excavated soil ("spoils") at least 2 feet away from the trench edge to prevent cave-ins. : For drainage, maintain a downward slope of

Since "trench" can refer to a few different things, construction/DIY, fashion, and history/gaming.