1. Materials for building materials.
2. Whether the pad iron under the bottom plate of the column or beam is stable; Whether the column and beam are vertical; Whether the bolts are tightened, etc.
3. Whether the space of column bottom plate and foundation top surface should be poured twice.
4. Whether the connecting bolts conform to the standard.
5. whether there is unqualified weld.
6. besmear brushs of times number and thickness whether accord with relevant regulation.
7. Whether the steel structure should be rustproof and corrosion-proof.
8.after the installation of color board, whether to do waterproof wall board joints.
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