How much wider than the pipe diameter must the trench be for laying six-inch and larger pipes?

The trench must be at least 12 inches wider than the diameter of the pipe for laying six-inch and larger pipes. This requirement is crucial for several reasons.

First, the extra width allows for proper handling and installation of the pipe, providing sufficient space for alignment and adjustments during the laying process. Additionally, wider trenches facilitate the placement of bedding material, which is essential for supporting the pipe and maintaining its integrity over time.

Furthermore, this spacing is necessary to create a safe working environment for personnel. If the trench were narrower, there would be higher risks associated with digging and working around heavy equipment and materials. A trench that is adequately wide can help prevent accidents and ensure that workers have enough room to operate safely.

Overall, adhering to the 12-inch width requirement is essential for the structural stability of the piping system and the safety of the installation crew.