1. The steel structure workshop must be firmly connected with the foundation, and the fixing screws must be free from omission.

2. The deviation between lease of steel structure warehouse and verticality shall not be greater than 10mm.

3. There shall be no obvious gap between plates.

4. Rental of steel structure warehouse and aluminum trough. The joint of aluminum window must be coated with sealant.

5. Gutter. After the installation of the air edge, check whether the sealant is complete.

6. When the plate is fixed to the aluminum material, the pop rivets must be arranged in order with a spacing of no more than 400mm.

7. The aluminum window must be installed firmly with complete accessories.

8. The roof shall be sprayed with profiled tiles. The splicing shall not be less than one ripple, and the sealing shall be good. There shall be no leakage. The ridge tile joint must be flat.

9. The downpipe shall be installed firmly and kept perpendicularity.

10. After the completion of the project, clean all dust and garbage to make the windows bright, the floor clean, and the steel structure plant on the outer wall clean.