What changes do the construction unit need to make to change the materials during the construction?

It is necessary for the construction design unit to prepare design change documents and submit them for approval according to the prescribed procedures.

The Measures for the Administration of Design Changes of Hydropower Projects have corresponding provisions:

Ninth in the process of engineering construction, design changes caused by emergency rescue or emergency treatment shall be signed by representatives of all parties involved in the construction. If it is a major design change, the construction unit shall promptly organize the design unit to prepare the design change document and submit it for approval according to the prescribed procedures.

Article 10 After receiving the application for review of major design changes from the construction unit, the review unit shall be responsible for organizing the review, putting forward the review opinions and submitting them to the National Energy Administration.

Extended data:

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Relevant provisions of Management Measures for Design Changes of Hydropower Projects:

Eleventh major design changes shall not be changed again after examination and approval. If it is really necessary to change again, the construction unit shall first organize the design unit to demonstrate the necessity, and report to the original review (or audit) unit for approval, and then prepare the design change document and perform the relevant procedures.

Design change refers to the changes made to the main characteristic parameters, engineering design scheme and resettlement scheme of the approved project during the bidding design stage and construction detail drawing stage, including adjustment, supplement and optimization.

Article 12? It is strictly forbidden to expand the project construction scale, increase the construction content and improve the construction standards in disguised form by means of design changes; It is forbidden to use design changes to lower safety and quality standards and damage and weaken the functions and functions of the project; It is forbidden to dismember the contents of design changes to avoid review.

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