(1) The metal plate of the suspended ceiling basement project shall meet the following requirements:
The material, variety, specification, color, shape and size of metal plate for ceiling must meet the design requirements and the current relevant national standards.
The connection between the metal plate and the keel must be firm and reliable, and shall not be loose or deformed.
The positions of equipment openings and lamps should be arranged reasonably, symmetrically and beautifully. Sleeves are cut accurately, with neat edges and no exposed seams. Straight and tidy.
(2) The installation quality of metal plate shall meet the following requirements
Qualified: the radian of the board surface is accurate; The surface is flat; Tight joints and interfaces; The slab joints are straight, without obvious dislocation, and the width is even; The angle of yin and yang is square; The shoulder angle and cutting direction of the decorative line are correct.
Excellent: the camber of the plate is accurate; The surface is flat; Tight joints and interfaces; The interface positions of laths are staggered and orderly, the joints are straight, there is no dislocation, and the width is consistent; The angle of yin and yang is square; The shoulder angle and cutting direction of the decorative line are correct and the flat-fell seam is tight. Special-shaped plate layout position is reasonable and beautiful.