How thick should concrete be when surrounding gas pipe embedded in portland cement floor slabs?

The appropriate thickness of concrete surrounding gas pipes embedded in portland cement floor slabs is established to ensure adequate protection and support for the gas piping system. A thickness of 1 1/2 inches is specified because this amount of cover provides sufficient structural integrity to safeguard the pipe against physical damage and environmental stresses.

This thickness helps prevent cracking or degradation of the surrounding concrete, which could lead to exposure of the gas pipe over time. It is also designed to support the weight of the concrete and any additional loads exerted on the slab, maintaining the integrity and safety of the gas installation.

A lesser thickness would not provide the necessary level of protection, while greater thicknesses might be unnecessary and lead to increased material costs without added benefits. Thus, 1 1/2 inches strikes the right balance between safety and efficiency in construction practices related to gas piping installations.