What is the maximum allowable slope for excavations between 8 and 12 feet in depth?

The maximum allowable slope for excavations between 8 and 12 feet in depth is 3/4:1. This means for every 3/4 unit of horizontal distance, the excavation may go down 1 unit vertically. This particular slope is designed to provide adequate stability while mitigating the risk of cave-ins, which are particularly dangerous at greater depths.

Excavations must be carefully sloped or supported according to depth to ensure worker safety. The chosen slope combines safety with practicality, allowing for easier access and operations within the excavation site while adhering to safety regulations. Choosing a slope that is steeper than this may not provide sufficient support, leading to increased risks of collapse.

Understanding the regulations and standards for excavation slopes is crucial for anyone in the construction industry, thus ensuring compliance with safety practices helps prevent accidents and injuries on job sites.