What is the guideline concerning the acceptability of gouges in a pipe?

The guideline concerning the acceptability of gouges in a pipe allows for some flexibility depending on the severity of the damage. When it states that gouges are acceptable if they do not exceed 10% of the pipe wall thickness, it indicates that there is a recognized threshold for acceptable wear or damage that can be tolerated under certain circumstances. This allows for minor imperfections in the pipe material, acknowledging that some level of wear may occur without compromising the structural integrity or safety of the piping system.

It's essential to evaluate the depth and extent of any gouges during inspections, as excessive gouging beyond the 10% threshold could lead to potential failure points in the pipe. The guideline is rooted in engineering assessments that determine how much material is necessary to maintain strength and pressure-holding capability in the distribution system. In practice, monitoring and assessing gouges can help ensure that they remain within this acceptable limit, thus maintaining operational safety and efficiency in the distribution pipe system.