Safety technical regulations for climbing operation?

1 The climbing equipment must be solid and reliable in structure, and the service load of the pedal for people to get up and down shall not be greater than1100 n. When there is special operation on the ladder surface and the weight exceeds the above load, it should be checked according to the actual situation. 2 The bottom of the ladder foot shall be solid and shall not be used as a cushion, and the upper end shall be fixed. The working angle of the straight ladder shall be 75 5, the pedal spacing shall be 30cm, and there shall be no gap. 3 If the ladder needs to be extended for use, there must be reliable connection measures and no more than one joint. The strength of the ladder after connection should not be lower than that of a single ladder. 4 The fixed straight ladder should be made of metal, the ladder width should not be greater than 50 cm, the bracket should be made of angle steel not less than L70-6 mm, and the embedded parts must be welded firmly. The pedal at the top of the ladder should be flush with the climbing top surface, and handrails with the height of 1.2 ~ 1.5m should be added. When climbing with a straight ladder, the suitable climbing height is 5m. More than 5m, should add protective cage; When it exceeds 8 meters, a ladder platform must be set up. 5. Fully enclosed standardized ladder reinforcement cage can be used for climbing deep foundation pit. Ladder cages must be designed and tested as safety protection facilities before they can be used. 6 Scaffolding steel escalator in deep foundation pit shall not be directly placed on steel purlin support to prevent steel purlin from being overloaded. 7. The operators shall go up and down the specified passage, and shall not climb in the non-specified passage or by other methods, nor shall they climb with construction equipment such as boom. If 8 beams need to walk on the beam surface or the capping beam, the temporary guardrail on one side can use steel cables. When using the handrail rope, the natural sag of the rope should not be greater than L/20, and should be controlled within 10cm. When it is impossible to install protective facilities, a steel cable should be set at a proper position on the working face to provide a safety hook for the safety belt of the operator.

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