First, the activities of the board members during the construction of the factory certification should be provided, which should not be significantly deformed steel components, damage and severe corrosion, and welding parts can not take off, the weld surface without cracks, weld defects.
Second, check the fire protection layer of the main activities of the board members of the force should be consistent whether qualified design, concrete, mortar strength slab quality meets the design requirements,
Third, the detection on the node bolt size, quantity, it also meets the requirements of the support system,
Fourth, it is the roof, exterior walls, windows and doors to prevent outside rain, snow seepage measure compliance with standards.
These are the construction of the main activities of the board test items.