Ceiling Project Acceptance Specification - Specification for suspended ceilings of plasterboard and wood plywood

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This section applies to paper plasterboard, wood plywood ceiling.
Number of inspections: 20% of the total number of random inspections allowed for deviation survey items.
(1) Ensure that the material, type, specification, and basic structure and fixing method of the ceiling cover of the project cover panel must meet the design requirements and the current national relevant standards.
The installation of light steel keel or wood dragon skeleton must comply with the relevant provisions of Chapter II of this standard. Wooden keel, plywood must be fire-retardant treatment in accordance with the relevant regulations.
The connection between the cover panel and the keel must be tight and firm.
The position of the equipment mouth and lighting fixtures must be symmetrical according to the plates, and the layout is reasonable; the edges of the openings are neat, and the mouth guards are tightly closed. The arrangement is straight, neat and beautiful.
Inspection methods: observation, ruler measurement, and hand wrench inspection (2) The surface quality of the cover sheet of the basic project shall meet the following requirements:
Qualified: smooth surface, correct arching, uniform color, clean, no pollution, no back rust, pitting, hammer marks, no exposed nail caps.
Excellent: smooth surface, accurate arching, uniform color, clean, no pollution, no back rust, pitting, hammer marks, self-tapping screws arranged evenly, no exposed nail cap, no cracking.
The quality of seams and beadings of the cover panel shall comply with the following provisions:
Qualified: The seams are even and narrow on the keel, the fillets are straight, there is no warping, smooth and smooth, the joints are tight and there is no leakage. Yin Yang corner side Founder.
Excellent: The seams are evenly distributed on the keel, the fillets are straight, the width is uniform, there is no warping, smoothness, smoothness, tight seams, no leaks, and the yin and yang corners are squared off.
Shaped requirements should meet the following requirements:
Qualified: The size and position of the shape are correct, and the closing is tight and smooth.
Excellent: The size and position of the model are accurate, the closing is smooth, the curve is smooth and beautiful.
Inspection methods: observation, ruler check.

Ceiling installation construction acceptance