A. Preparations before construction: The materials and accessories required for construction are fully prepared (three types of I-beam, channel steel, steel plate, electric welding machine, wire, bar, chain, 2 pulleys, 4 inch steel pipe, 3 inch steel pipe, 2 sets of oxygen acetylene, sand, cement, red brick, air duct, wind raft 2, etc.). The lifting beam is made to ensure that the lifting trommel screen is firm and reliable. Before construction, the construction supervisor will lead all construction personnel to learn the measures. The construction personnel must arrive at the construction site 30 minutes in advance to familiarize themselves with the operation of the on-site equipment. The person in charge of the construction shall have a clear grasp of all the lines, equipment and materials on site. The person in charge of construction assigns the tasks of the construction personnel on site and makes the construction personnel clear their respective tasks.
B. Precautions during construction: The construction person in charge reports the start and end of the construction of the dispatching room. During the construction, the construction personnel must concentrate on the work, strictly abide by the three non-injury principle and other various operating procedures, and operate according to the regulations. All construction personnel must wear necessary protective equipment such as helmets and gloves. First establish reliable personnel and equipment protection facilities on site to ensure the safety of personnel and equipment. Clean up the construction site and clean the ground to a hard ground (cement floor). Demolition of the original wall at the fastest speed, optional wind, forklift and so on. When removing the old drum screen and sand coal belt: cut off the power supply; cut off the ground; remove the motor, reducer and front and rear rollers; remove the belt and trommel screen; transport to a place where safety does not affect production. When lifting the drum screen: choose a firm lifting point and a fixed point. When lifting and transporting objects, always pay attention to check whether there is any abnormality in the surrounding environment, and it is forbidden to work in unsafe conditions. Participants should concentrate on avoiding standing in the unsafe places such as under heavy objects or in front of heavy objects, and can only stand on the side. During the operation, follow the unified command of the responsible person and cooperate with each other to cut, weld and assemble according to the size of the site (note the material saving).
When transferring objects at high places, it is strictly forbidden to throw them up and down. When moving long objects such as ladders and materials in the relocation area, they should be transported by two people. The on-site monitoring should be strengthened and a sufficient safety distance should be maintained with the live parts. When installing the trommel screen, repeat the inspection of the pulley (sensitive and reliable) and the lifting point (firm). Check the robustness of the lifting beam used and the plausibility of its position. Safety inspections should be carried out on the hoisting tackle used to ensure good performance, safety and reliability. Chains are used as slings, and chains and screws must be firmly connected. When installing, the screws should be even and diagonally aligned. Welding is strictly carried out according to the welding process. The wall should meet the requirements. For the joint surface of the equipment and the parts that are easily damaged, be careful not to damage it during disassembly and installation. After dismantling the welder and protective equipment, test run. During the trial operation, it must be jointly accepted by the construction person in charge, the technical person in charge, and the mine leader. After acceptance, it will be delivered to the user for use (with written report). When dismantling, relocation, and installation, pay attention to the protection of oxygen meters, acetylene tables and other facilities. It is necessary to carry out civilized construction, and it is strictly forbidden to dry and die hard.
C. Precautions after the completion of construction 1. The construction person in charge reports the construction end of the relevant mine leadership and dispatching room and resumes normal production. 2. Clean up the construction site and fill in the records. 3. The construction manager will finally check the site. Eliminate lost materials. 4. If there is any violation of the above provisions, the safety supervision department shall impose penalties according to the punishment regulations. For other unfinished matters, please refer to the relevant provisions of the "Safety Regulations for Coal Mines".
B. Precautions during construction: The construction person in charge reports the start and end of the construction of the dispatching room. During the construction, the construction personnel must concentrate on the work, strictly abide by the three non-injury principle and other various operating procedures, and operate according to the regulations. All construction personnel must wear necessary protective equipment such as helmets and gloves. First establish reliable personnel and equipment protection facilities on site to ensure the safety of personnel and equipment. Clean up the construction site and clean the ground to a hard ground (cement floor). Demolition of the original wall at the fastest speed, optional wind, forklift and so on. When removing the old drum screen and sand coal belt: cut off the power supply; cut off the ground; remove the motor, reducer and front and rear rollers; remove the belt and trommel screen; transport to a place where safety does not affect production. When lifting the drum screen: choose a firm lifting point and a fixed point. When lifting and transporting objects, always pay attention to check whether there is any abnormality in the surrounding environment, and it is forbidden to work in unsafe conditions. Participants should concentrate on avoiding standing in the unsafe places such as under heavy objects or in front of heavy objects, and can only stand on the side. During the operation, follow the unified command of the responsible person and cooperate with each other to cut, weld and assemble according to the size of the site (note the material saving).
When transferring objects at high places, it is strictly forbidden to throw them up and down. When moving long objects such as ladders and materials in the relocation area, they should be transported by two people. The on-site monitoring should be strengthened and a sufficient safety distance should be maintained with the live parts. When installing the trommel screen, repeat the inspection of the pulley (sensitive and reliable) and the lifting point (firm). Check the robustness of the lifting beam used and the plausibility of its position. Safety inspections should be carried out on the hoisting tackle used to ensure good performance, safety and reliability. Chains are used as slings, and chains and screws must be firmly connected. When installing, the screws should be even and diagonally aligned. Welding is strictly carried out according to the welding process. The wall should meet the requirements. For the joint surface of the equipment and the parts that are easily damaged, be careful not to damage it during disassembly and installation. After dismantling the welder and protective equipment, test run. During the trial operation, it must be jointly accepted by the construction person in charge, the technical person in charge, and the mine leader. After acceptance, it will be delivered to the user for use (with written report). When dismantling, relocation, and installation, pay attention to the protection of oxygen meters, acetylene tables and other facilities. It is necessary to carry out civilized construction, and it is strictly forbidden to dry and die hard.
C. Precautions after the completion of construction 1. The construction person in charge reports the construction end of the relevant mine leadership and dispatching room and resumes normal production. 2. Clean up the construction site and fill in the records. 3. The construction manager will finally check the site. Eliminate lost materials. 4. If there is any violation of the above provisions, the safety supervision department shall impose penalties according to the punishment regulations. For other unfinished matters, please refer to the relevant provisions of the "Safety Regulations for Coal Mines".
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