Tips: Safety precautions under various operating conditions

A , border protection

(1) The construction of the floor with no external scaffolding and the construction of the stairway with no protective scaffolding are all border operations , and construction shall be carried out in accordance with the safety regulations of the side-by-side operations;

(2) There must be protective railings, temporary protection or tension safety nets on the borders, and safety gates or movable guard rails should be installed at the passers-by;

(3) The protective railing is composed of upper and lower handrails and railings. The handrail is 1-1.2m from the ground, and the handrail is 0.4-0.6m from the ground. Generally, the handrail exceeds 2m to set a column; the handrails and railings can be used for bamboo (diameter is not less than 70mm) steel bar (diameter not less than 14), must have a reliable connection with the structure and be determined by calculation;

(4) Temporary guardrails shall be closed from top to bottom with a safety net in the protective railings. Blocking ankles shall be provided in the area not less than 180 mm above the floor surface, and the holes shall be no more than 2.5 cm to prevent debris from falling;

(5) Safety nets include flat nets, vertical nets, and diagonal stay nets, which shall comply with the provisions of the construction safety net when used.

B, hole protection

(1) Holes in floor slabs, depending on their size and possible measures during the construction process, large openings are surrounded by protective railings, and multi-layered openings that pass straight up and down. There is a safety net every 10 meters. It is not used during construction. The hole can be temporarily welded with steel reinforcement cover, and often used holes plus movable cover, there is a danger of falling hole encryption encryption cover;

(2) There must be special management at the entrance of the cave, and always check the reliability and completeness of the protective measures. The accumulation of debris in the safety net must be regularly cleaned up;

(3) There is a hole in the wall that may fall and protection is provided according to the provisions of the borderline operation.

C, cross-operation protection

(1) Persons entering the scene must wear a safety helmet;

(2) No debris shall be stored near the edge of the border or near the entrance. The temporary transit must be supervised by a special person.

(3) Within the radius of vertical transportation and falling objects, the personnel should set out a special route and do a good job of isolation.

(4) No isolation measures shall be allowed to cross over and under the same vertical plane.

D. Climbing operation maintenance

(1) In the project, full consideration is given to the content of the climbing operation, and the previously designed climbing facilities should be selected as the climbing equipment. Generally, the climbing structure should be used to make the ascending passage through the completed structure, use the stereotyped climbing tools, and if necessary, set up a dedicated ascending or design-dedicated climber. Appliances;

(2) The structural structure of the climbing equipment must be solid and reliable. The loading load for the upper and lower pedals should not exceed 1100 N. When there are special operations on the ladder surface and the weight exceeds the above load, the actual conditions should be checked;

(3) The base of the ladder foot should be solid, and should not be used up. The upper end of the inclined ladder should have fixed measures. There should be anti-skid measures under the foot of the ladder. The gradient of the ladder should be 60-70 degrees, and the stepping distance should be 300mm. It is advisable that there should be no missing phenomenon. The upper angle of the ladder should be 45 degrees, and the bottom should have ribs;

(4) The operating personnel must go through the prescribed passages and must not climb the non-prescribed passages between the unprotected balconies, and must not use the crane boom or other construction equipment to climb;

(5) Independently climbing the physical quality of the workers, clothing and protective equipment, must strictly abide by the provisions of the State Labor Protection Act.

Finally, China Labor Safety Net reminds everyone that the quality of high-altitude seat belts is directly related to the user's life safety. Therefore, we cannot directly choose only the seat belt price. The high-altitude safety belt brands on the market include Delta, Bacou, and Jiangang. At the same time, the high-altitude seatbelts used at the same time should be stored in a dry and ventilated place. They cannot be placed outdoors for a long time and should be kept properly.

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