This table applies: each layer (section) waterproofing layer after the completion of the construction of sub-projects, in the next process before submitting the waterproofing layer of concealed engineering quality acceptance records. Such as basement floor waterproofing layer, roof waterproofing layer, waterproofing layer of external walls, kitchen and bathroom waterproofing layer.

a. Materials into use must be strictly in accordance with the material reporting procedures. Material acceptance results must meet the design requirements. May not use national and local prohibited materials.

b. Inspection batch must be divided in accordance with the requirements of the construction specification, the assessment results of the inspection batch should be qualified.

c. Check the waterproof layer joints, surface quality, waterproof layer thickness.

d. Detailed construction (deformation joints, construction joints, pipeline crossing position, etc.) should meet the design requirements.

e. waterproof layer slope and slope should be consistent with the design and construction specifications.

f. Kitchen, bathroom, roof and other parts of the waterproof layer before concealment, should do water test.