Requirements for raw materials of cantilever load embedded parts: using a diameter ≥ Φ 20 round steel, the use of threaded steel is strictly prohibited, and the embedded length must meet the load requirements of the special plan;.
Incorrect practice of cantilever load embedded parts: It is strictly prohibited to weld and fix them in the later stage..
Incorrect practice of pre embedded wall components in scaffolding: The pre embedded components are installed on the structural beam surface, leaving a hidden leakage risk for external wall construction..
Requirements for elevator entrance protective fence: guardrail height ≥ 1.6m, vertical steel bar spacing ≤ 100mm, standard floor and warning signs at the top, 180mm high kickboard installed at the bottom, made of ≥ 9mm thick plywood, and low-voltage lighting must be installed on the inside of the elevator shaft..
Requirements for setting up staircase guardrails: detachable water pipe guardrails with a height of ≥ 1.2m shall be used; Stairs with a drop of more than 3m on the edge must have a net hanging and a 180mm high baseboard installed at the bottom. The baseboard should be made of plywood with a thickness of ≥ 9mm..
The length and width of the openings inside the floor are ≥ 400mm х 400mm enclosure protection requirement: Fix the opening with four point expansion screws Φ 6 @ 150 steel mesh, surface sealed with ≥ 10mm thick plywood, covered with 200mm pressed edges all around, and then sealed with mortar..
The length and width of the openings inside the floor are less than 400mm х 400mm enclosed protection requirement: 10mm thick plywood fixed, painted with eye-catching paint markings..
Requirements for setting up edge guardrails: detachable water pipe guardrails with a height of 1.2m should be used. After installation, safety nets should be hung for protection. A 180mm high kickboard should be installed at the bottom, and the kickboard should be made of plywood with a thickness of ≥ 9mm..
Requirements for the installation of foundation pit guardrails: A detachable water pipe guardrail with a height of 1.2m should be used, and a safety net should be hung for protection. A 180mm high kickboard should be installed at the bottom, and the kickboard should be made of plywood with a thickness of ≥ 9mm. It is recommended to use a concrete backflow kickboard..
The requirement for setting up guardrails that cannot be closed with plywood is to use detachable water pipe guardrails with a height of ≥ 1.2m; Beyond the edge, install a 180mm high skirting board at the bottom, which is made of ≥ 9mm thick plywood..
Requirements for the installation of cantilevered flat and inclined baffles: The material used is 10mm thick plywood, with double-layer hard sealing; It is prohibited to use transparent materials for sealing. The general contractor must provide a special plan, which can only be implemented after confirmation by the supervisor and Party A..
Wrong practice of double-layer protection: The double-layer protection did not use a hard seal and instead used bamboo poles instead of 10mm thick plywood..
Explanation: The content of this article is sourced from the construction of Douding. If there are any shortcomings, please contact us to make changes..
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Phone: 029-81135178.
Address: Building J4, Enterprise No.1 Park, No. 2 West Avenue, New Industrial Park, Chang’an District, Xi’an City, Shaanxi Province.
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