What types of plans are required to obtain permits and guide installers accurately?

The requirement for written plans to obtain permits and guide installers accurately stems from their clarity and detail. Written plans provide a comprehensive outline of the installation process, including specifications, guidelines, and regulatory compliance measures that must be followed. These plans serve as a formal document that can be referenced throughout the installation, ensuring that all parties involved maintain alignment with the intended work.

Written plans are enforceable documents that can be reviewed by regulatory bodies, making it easier to assess compliance with local codes and safety standards. They also help in providing a clear communication channel between project stakeholders, reducing misunderstandings and ensuring that everyone is on the same page. Verbal plans may lead to ambiguity and miscommunication, while illustrated and digital plans, though useful, may not fully encapsulate all the necessary regulatory details in a binding format that written plans provide.