The safety technical operating procedures for hanging basket racks are very important. Only by understanding the technical procedures can we better solve practical problems. The handling of every detail is very critical. Zhongda Consulting will explain to you the safety technical operating procedures for hanging basket racks.
Section 1 Material Specifications
Article 1 The steel pipe used in the combined hanging basket should have an outer diameter of 48mm and a wall thickness of 3 to 3.5mm. Combined fasteners should be qualified products made by units approved by the labor department, and malleable steel fasteners must be used for load-bearing parts. Article 2 The scaffolding boards laid on the hanging basket should be wooden boards or light metal plates with a thickness of 2.5 to 5cm, and the wooden rafts should be made of 5cm to 10cm square wood or steel pipes with an outer diameter of 48mm. Article 3 The vertical safety net hung on the hanging basket should be a nylon net or metal net with a mesh size less than 10cm. Article 4 The cantilever beam should be made of no less than 14# I-beam or other materials with a load-bearing capacity greater than 14# I-beam. Article 5 The lever hoist for lifting the hanging basket should use a special supporting wire rope of more than 3t. The reverse chain application is more than 2t. The diameter of the load-bearing wire rope should be no less than 12.5mm, and the safety rope used in the hanging basket should be a wire rope with a diameter of no less than 12.5mm.
Section 2 Safety Technical Regulations for the Use of Suspension Baskets
Article 6 Suspension baskets are suitable for exterior decoration and eaves repair operations of high-rise buildings. The load capacity of the suspension basket per square meter is not Accurately exceeds 1200N (including human weight). People and materials on the hanging basket should be distributed symmetrically and should not be concentrated at one end to ensure that the load on both ends of the hanging basket is balanced. Article 7 When operating on a hanging basket without a head protection shed or on a hanging basket with two hanging points, as well as at the corners or overhangs of a building, reliable safety measures must be taken, and all persons in the basket must wear protective clothing. Good seat belt. Article 8 It is strictly prohibited to work outside the protection of the hanging basket and on the head protection shed. No one is allowed to dismantle or modify the hanging basket without authorization. When modifications are necessary due to work needs, the modification plan must be submitted to the technical and safety departments and the construction leader for approval. It will be dismantled and modified by the shelf workers. After the dismantling and modification of the shelf, it can only be used after being inspected and accepted by the relevant departments. Article 9 Personnel who use the hanging basket must pay attention to the tools and materials at all times during work, are not allowed to throw any objects outside the hanging basket, and keep the hanging basket clean.
Section 3 Safety Technical Regulations for Assembling and Lifting the Gondola
Article 10 Before assembling the gondola, the erecting worker must inspect the necessary materials and select materials according to standards. When using the weldment combination hanging basket, the technical department and relevant personnel should verify that the weldment is qualified before use. Article 11 When assembling or dismantling the hanging basket, at least three people must cooperate and operate in strict accordance with the technical procedures for erecting scaffolding. No one is allowed to change the hanging basket assembly plan without authorization. Article 12 When lifting the hanging basket, all the lever hoists must be shaken at the same time or the reverse chain must be pulled at the same time. Each lifting point should be raised and lowered synchronously to maintain the balance of the hanging basket. When lifting the hanging basket, do not collide with the building. Especially on balconies, windows and other places, there should be dedicated personnel responsible for pushing the hanging basket to prevent the hanging basket from hitting the building. Article 13 The distance between the inner surface of the hanging basket and the building is preferably 10cm, and the distance between the two hanging baskets shall not be greater than 20cm. It is not allowed to connect two or more hanging baskets together to raise and lower them at the same time. The joints of the two hanging baskets should be staggered with the construction surface of the window and balcony. Article 14 For a hanging basket using a lever hoist as a lifting device, after the wire rope is inserted, the safety lever must be removed and the safety rope must be fastened. When a safety clip is used instead of a safety rope, the handle of the safety clip must not be bundled with the main rope. The hanging basket should be firmly connected to the building, and effective fixing measures should be taken when there is nowhere to connect it. Article 15 The location of the hanging basket and the equipment of the beams should be determined according to the actual conditions of the building. When formulating the construction plan, it should be noted that the length and position of the cantilever beam should be perpendicular to the hanging point of the hanging basket. When installing the cantilever beam, the length and position of the cantilever beam should be perpendicular to the hanging point of the hanging basket. When installing the cantilever beam, one end of the cantilever beam protruding out of the building should be slightly higher than the other end. The two ends of the cantilever beams inside and outside the building should be firmly connected with fir beams and steel pipes to form a whole. For the cantilever beams on the balcony, diagonal bracing piles should be added at the top of the overhanging part, and pads should be added at the bottom of the diagonal bracing, and the supporting beams will be supported. The strong balcony board and the two-story balcony board below are set up for column reinforcement.
Article 16 The pre-embedded lifting rings that bear the tension of the cantilever beams should be made of round steel with a diameter of not less than 12mm. The length of the lifting rings hidden in the concrete should be greater than 36mm, and should be welded firmly with the main reinforcement of the wall. If several lifting points are *** When using a pre-hidden lifting ring, additional reinforcement measures must be taken and the use must be approved by the superior technical department before use. The distance between the embedded ring and the fulcrum shall not be less than 3m. When connecting the cantilever beam and the lifting ring, a steel wire rope with a diameter greater than 10mm or a flower basket bolt of type 00 or No. 03 or above should be used to connect the cantilever beam and the lifting ring. Article 17 The connection between the load-bearing wire rope and the cantilever beam must be firm and there should be protective measures to prevent the wire rope from being sheared. When the clamping method is used, there should be no less than 3 clips, and the rope head must be safely bent. The use of joints is strictly prohibited for load-bearing wire ropes. Article 18 The sling (i.e. the catch rope) used for the hanging basket must pass under the main cross tube of the hanging basket. The angle between the sling under the hook and the main cross tube inside and outside the hanging basket must be maintained at 45°. At the same time, use a clip Jam the hook and sling. And must have insurance measures to prevent decoupling. Article 19 The operating procedure for installing the hanging basket is: first fix the cantilever beams firmly, hang the load-bearing rope of the hanging basket, put the hanging basket assembled on the ground, put on the load-bearing rope, install the safety clip or safety rope, and then shake it Lever hoists or inverted chains at each lifting point can make the hanging basket rise smoothly to the height of use. Finally, the hanging basket can be used after it is firmly tied to the building. The safety rope should not be placed more than 1m at a time, and all clips should be fastened.
Section 4 Assembly Specifications of Hanging Basket
Article 20 The hanging basket can be assembled into a single-layer or double-layer hanging basket according to the decoration conditions and project characteristics of the project. The double-layer hanging basket should be equipped with a ladder and leave a movable cover to facilitate people's access. Article 21 The length of the hanging basket shall generally not exceed 8m. If it is necessary to use a hanging basket of more than 8m due to special projects, it must be approved by the superior technical department. The width of the hanging basket is preferably 0.8 to 1m. The height of a single-layer hanging basket is 2.0m, and the height of a double-layer hanging basket is 3.8m. For hanging baskets with steel pipes as vertical poles, the distance between the poles must not be greater than 2.0. m. For hanging baskets with welded frames, the distance between poles must not exceed 2.5m. A single-layer hanging basket must have at least 3 crossbars, and a double-layer hanging basket must have at least 5 crossbars. Article 22 For hanging baskets assembled with steel pipes, both large and small surfaces must be grooved. For hanging baskets assembled with welded prefabricated frames, large surfaces exceeding 3m must be grooved. Article 23 Each layer of scaffolding boards of a single-layer or double-layer hanging basket must be laid flat and tightly, and firmly fixed with the rafts. The spacing of the rafts can be determined according to the thickness of the scaffolding boards, generally 0.5 to 1m is appropriate. . The outer skin of the working layer of the hanging basket and the small surfaces at both ends should be tied with two guard rails, set up a foot block, and be completely sealed with safety nets and ropes at the bottom corners. Lippi needs to tie up a protective fence. The hanging basket whose lining cannot be tied with a protective fence must be firmly tied to the building. The gap between the hanging basket's lining and the building shall not be greater than 20cm. Article 24 The protective layer on the top of the hanging basket shall not be less than 2m away from the scaffolding board on the working floor. The protective layer shall be constructed of metal mesh, nylon mesh or light and strong materials. If a protective layer cannot be installed on the overhang board, the operator should hang a safety belt and install a protective layer after completing the overhang board. Article 25: For hanging baskets with a length of less than 8m, three hanging points must be provided. For hanging baskets exceeding 8m, one hanging point must be added for every additional 3m, and the hanging points must be evenly distributed. If it is inconvenient to operate a small hanging basket with a length of less than 3m with three hanging points, two hanging points can be set up, but the personnel in the basket must wear safety belts.
Section 5 Safety Management Regulations for Hanging Baskets
Article 26 Before the hanging basket is assembled, the construction leader and technical person in charge must prepare a hanging basket assembly construction plan and safety measures based on the project conditions. , and organize acceptance. Article 27 The materials used in assembling the hanging basket must be carefully inspected and accepted, and the hanging basket should be assembled with welding parts. Weldments must be inspected by the technical department before they can be used. Article 28 During the use of the hanging basket, the construction leader and relevant personnel should frequently check the protection, insurance measures, lifting beams, lever hoists and reverse chains, slings, and wire ropes of the hanging basket, and solve problems immediately if any problems are found. Workers are strictly prohibited from operating when there are hidden dangers. Work inside the hanging basket. Article 29 When the hanging basket is in use, special personnel should be assigned or relevant departments should be instructed to monitor the changes in the load of the cantilever beam. If problems are discovered, report them to the technical department in a timely manner. Article 30 After severe weather such as strong winds, heavy rain, and heavy snow, construction workers must comprehensively inspect the hanging basket to ensure safe use.
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