What is the necessity of punch-list preparation?

The necessity is to complete everything according to engineering, so with the preparation of a punch-list we have a document of what's missing, what's wrong and what we need to correct to have a ready for pre-commissioning and further a ready for commissioning.

A gap analysis tool that enable us to identify the difference in physical installation with that of design. Also help in safe execution, control on project execution time, quality of work and a best tool for the orientation and understanding of the people with the plant

Final contractor payment is made when the punch list of items are completed to meet the project design required by the contract.