4.3　Material

Dominant Items

4.3.1　Types，specifications，quality，quantity and performance of materials and standard parts must be in accordance with requirements of the design documents and the current national standards；acceptance inspection shall be carried out where they enter the construction site and records shall be made.

Inspection quantity:exhaustive check of the qualification certificates；1% by physical spot check（not be less than 5 pieces）.Recheck shall be madeif required by the design documents or relevant national standards.

Inspection method:check quality certificates；recheck report and acceptance record；appearance inspection or actual measurement.