The term “guidance” inherently carries a level of vagueness. F3533, being a standard guide, provides information and options without explicitly recommending a particular path. It presents
a broad spectrum of possibilities without a clear directive.
Written with flexibility in mind, F3533 attempts to recognize diversity of engineering scenarios, allowing for some sort of customization in the application of its recommendations, it offers a versatile approach to inspection of thermoplastic pipe, with no specific criteria. This in essence allows individuals with varying levels of expertise to prepare inspection reports, as it offers recommendations and suggestions without prescribing any specific course of action