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.
1. : the act or practice of persecuting especially those who differ in origin, religion, or social outlook. 2. : the condition of being persecuted, harassed, or annoyed. See persecution defined for kids.