Applicable to the production and installation of various types of wooden railings, fences and handrails.
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(1) Ensure that the type, quality, grade, specification, model, and size of the materials used in the project's railings, fences, and handrails must comply with the design and corresponding technical standards.
Railings, banisters and handrails are manufactured with precise dimensions, the installation must be firm and the seating dimensions are correct.
Inspection method: Observe, measure, test product qualification certificate and material acceptance record on site.
(2) The surface quality of the railing handrail of the basic project shall meet the following requirements:
Qualification: The surface of the wooden handrail is smooth and straight, the corners are square, the groove depth is consistent and the corners are sleek, the joints are flat and tight, the surface is free of plan marks, and there is no hammer marks.
Excellent: The surface of the wooden handrail is smooth and straight, the corners are square, the groove depth is the same, the colors are the same, the wood grain is close, the lines are clear and beautiful, the corners are sleek, the arc conforms to the design, and the joints are smooth and tight.
Railing installation should meet the following requirements:
Qualified: The railings are arranged evenly and neatly, the horizontal lines are consistent with the gradient of the stairs, and the metal connection between the railings and the handrails is not exposed, and the size and position of carvings and floral ornaments are the same.
Excellent: The rails are arranged evenly and neatly, the horizontal lines are in line with the gradient of the stairs, and the metal connections between the railings and handrails are not exposed. The size and position of carvings and floral ornaments are consistent, and the lines are clear and beautiful.
The installation quality of glass railings should meet the following requirements:
Qualification: The installation of the glass panel shall be consistent with the surrounding fixtures, with no gaps, distortions, and tight joints.
Good: The installation of glass panels should be consistent with the surrounding fixtures, seamless, twisted, tight joints, smooth surface, clean and beautiful appearance, modeling meets the design requirements.
Handrail installation should meet the following requirements:
Qualification: The height, angle, and structure of the handrail should meet the design requirements. The corner arc is correct, and the sleek joint is smooth with the upper and lower running armrests.
Excellent: The height, angle and structure of the handrail should meet the design requirements. The arc of the corner is correct. It is easy to connect with the armrest running up and down. The joints are tight and smooth. The surface is smooth, clean and beautiful.
Inspection methods: observation, hand touch inspection.
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