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Analysis and control measures of dangerous points in cable operation

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Analysis and control measures of dangerous points in cable operation

作者: Release Date: 2018-06-01 Author: Click:

Analysis and control measures of dangerous points in cable operation


1. Damage to underground facilities and injuries: (1) Before excavating cable trenches, you must contact the competent department of underground pipelines and cables, clarify the location of underground installations, and take precautionary measures. Organize outsiders to provide clear and strengthen supervision during construction. (2) An underground object was encountered during the excavation. It must not be vandalized, it must be clearly identified. (3) Do not use iron picks when digging on the cable path. Pay attention to prevent the cable from being damaged when digging into the cable cover.

2. Shovel and falling soil hurt people: (1) Before excavating the cable trench, clear signs or fences should be made on the site. Tools, materials and other debris should not be placed on the slope piled up by the excavated soil. aisle. (2) When excavating the cable trench to a depth of more than 1.5 meters, special attention must be paid to preventing earth from falling back. (3) Digging trenches in soft soil should have measures to prevent landslides, and it is forbidden to dig soil from the lower part. (4) A trench cover shall be set up when ditching near the main traffic road in residential areas, and red lights shall be hung at night. (5) Hammer handles, hammer heads and steel drills should be inspected when drilling in hard rock and frozen soil layers. The hammerer should stand on the side of the person who supports the drill. It is strictly forbidden to stand on the opposite side, and no gloves are allowed. The helmet is supported by a helmet.

3. Poison gas hurts people: (1) When digging near the gas pipeline. It must be performed by two persons, and the guardian must pay attention to the digger to prevent gas poisoning. (2) When excavating in the rubbish area, it must be carried out by two people, and measures must be taken to prevent biogas poisoning.

4. Squeeze: (1) It is forbidden to transport the cable tray horizontally. When the crane is loading and unloading the cable, the lifting work should be under the unified command of one person. (2) Hang the hook firmly on the cable reel, and lift it after the personnel have evacuated. (3) Zhengzhou Wire and Cable (3) Personnel irrelevant to the work are prohibited from walking and staying in the lifting area. No one is allowed to stay or walk under the boom and the hanging object while the object is being hoisted. (4) Unhooks can only be unloaded after the heavy objects are placed and swept. The cable reels must be bundled firmly during transportation, and passenger and cargo mixing is strictly prohibited. (5) The cable should be unloaded by a crane or rolled down gradually along a solid plank. The brake rope in the opposite direction of the cable tray should meet the rope index force and be fixed in a solid place. It is prohibited to stand under the cable tray. Allows the cable reel to be pushed directly off the vehicle.

5. Staff who are injured due to falls or transmission: (1) A smooth walkway with artificial lead cables should be repaired along the cable trench. (2) The cable tray and pay-off stand should be fixed on a hard and flat ground, and the cables should be indexed from above the cable tray. (3) The cable reel shall be guarded by special persons. It is forbidden to brake by hand when the cable reel is rolling. (4) The person lifting the cable by shoulder should reasonably distribute the shoulder lifting distance on the same side of the cable, and it is forbidden to drag the cable on the ground. (5) When the cable penetrates the protective tube, the person sending the cable should keep a certain distance from the nozzle.

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6. Squeeze and lift objects during construction: (1) When lifting objects, pay attention to the cooperation of personnel. (2) When using a knife or other tools, pay attention to the direction of the force and do not allow it to face the human body. (3) When making intermediate joints, there should be aisles at the sides of the pits of the joints. No tools, materials, or passing objects should be placed on the sides of the pits.

7. Burns when using the torch: (1) When using the torch, first check whether the torch body is leaking or blocked. The refueling of the torch must not exceed 3/4 of the volume. It is forbidden to deflate or refuel near open flames, and preheat the nozzles before ignition. When using the torch, the nozzle must not be directed at the human body and equipment, and the pump must not be full. (2) When the torch is used, it should be deflated immediately, placed in a safe place, and shipped after cooling.

8. Misjudgment of faulty cables caused electric shock: (1) Excavation of cables should only be explained by experienced personnel. After excavation of the cable protection board, experienced personnel should be present to guide them before continuing work and strengthening supervision. (2) Tools and materials shall not be placed on the slope piled up by the excavated soil, and there shall be aisles along the trench. (3) Before sawing the cable, it must be checked with the cable's original data, and measures must be taken to repeat the test with two or more fixed-point methods of responsibility. Judge the cables, and don't cut the cables blindly when it is judged that something is wrong. (4) After the judgment is made, use a grounded iron nail with a wooden handle to enter the cable core before working. People holding cables should wear insulating gloves and stand on insulating mats.

9, accidentally touched live equipment: (1) before completing the work permit procedures. Work class members are prohibited from entering the work area. (2) There shall be no less than two persons in the high-voltage test work. The person in charge of the test shall arrange the safety precautions in the test in detail for all test personnel.


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Keywords: Henan wire and cable , Zhengzhou wire and cable , Zhengzhou wire and cable manufacturer

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