This section applies specifically to glass ceilings. The number of inspections includes a perceptual check, allowing for up to 20% of the total random samples to be inspected.
(1) Mandatory Items
The type, specifications, color, shape, fixing method, and installation position of the keel and frame must comply with the design requirements and the relevant regulations outlined in Chapter 2 of this standard. This ensures stability, safety, and reliability. The keel and frame must also undergo fireproofing, anti-corrosion, and rust-proof treatments as required by applicable regulations. The glass sealing strip and extrusion should be tightly sealed, and the weather resistance and adhesion of the sealing compound must meet national standards to ensure proper performance and aesthetics. The layout should be straight, uniform, and well-organized.
The variety, size, color, pattern, and fixing method of the glass must conform to the design specifications and relevant national standards.
Glass installation should use a soft connection method. The installation must be secure, with the glass and notch overlapping at an appropriate size to meet safety standards. The inlay at the notch must be firmly bonded to both the glass and the frame, and the filling should be dense and complete.
Inspection methods include visual inspection, manual testing, ruler measurement, and verification of product certificates and construction acceptance records.
(2) Basic Items
The quality of the glass ceiling surface must meet the following criteria:
Qualified: The color and pattern of the glass should match the design requirements, and the coating should be correctly oriented. The surface pattern should be neat, orderly, and clean. The coating should be intact, without scratches or contamination.
Excellent: In addition to meeting the qualified standards, the glass should have a beautiful arrangement of patterns, clean and bright appearance, no scratches, pollution, or damage around the edges.
The quality of the fittings, beading, and cushioning used in the glass installation must also meet specific requirements:
Qualified: The glass caulking should be even and fully filled. The beading, bedding layer, inlay, and glass should be tightly connected, with consistent width and accurate cutting, ensuring smooth edges. The metal bead coating should be complete, and the wooden bead paint film should be smooth and clean.
Excellent: The caulking gap should be uniform, the filling dense and full, with no spills or stains. The beading, cushioning, and strips should be tightly attached to the glass, with consistent widths, precise cuts, and flush edges. The interface should be tight and flat. Metal beads should be free of scratches, while wooden beads should have a smooth, clean, and aesthetically pleasing finish.
The patterns on embossed or patterned glass should be arranged according to the following guidelines:
Qualified: Colors should be evenly coordinated, patterns should be properly matched, and seams should be tight.
Excellent: Colors should be uniform, stitching should be smooth and matching, the appearance should be elegant, and seams should be tight and seamless.
Inspection methods include visual observation and ruler measurement.
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