1 The excavation is less than 7-1/2 feet (2.5 meters) deep or is benched for at least 2 feet (.61 meters) horizontally for every 5 feet (1.52 meters) or less of vertical height;  The bottom of the excavation, from the excavation face to the formwork or wall, is at least 2 feet (.61 meters) wide, and wider if possible;
The definition of a detriment is  something that can cause damage, injury or harm. An example of a detriment to your health is not eating healthy foods.
WordReference Random House Learner's Dictionary of American English Â© 2017. forâ¢bear1 /fÉrËbÉr/USA pronunciation v., -bore, -borne, -bearâ¢ing. to refrain or abstain from: [no object]I wanted to argue but decided to forbear.[~ + from + object]should forbear from saying cruel things.[~ + verb-ing]He forbore smoking.