1, steel, semi-finished products, etc. Should be neatly stacked according to specifications and varieties, the production site should be flat, the workbench should be stable, and the lighting must be covered with a net.
2. Straighten and clamp the steel bar. The ground anchor should be firm. Pedestrians are prohibited within 2m of lacing. According to the diameter of the straightening steel bar, select the appropriate straightening block and transmission speed, and feed can be carried out only after debugging is qualified. Before feeding, cut off the head that is not straight.
3. Spread the disc reinforcement to a card to prevent rebound, and cut it off with your feet first.
4, artificial cutting, tools must be strong. Hold the chisel and hammer obliquely, and pay attention to people and things in the hammer-hitting area. Cut short steel bars less than 30cm, clamp them firmly with pliers, and do not hold them by hand, and set a protective cover on the outside.
5, many people together to transport steel bar, up, down, turn, stop action should be consistent, artificial transmission shall not be in the same vertical line. Steel bars should be dispersed and fixed to prevent collapse.
6, at high altitude, deep pit binding steel and installation of skeleton, scaffolding and. Must be set. When binding column and wall reinforcement, you are not allowed to stand on the reinforcement skeleton and climb up and down the skeleton. The column within 4m is not heavy and can be tied to the ground or floor. When the whole column is over 4m, a workbench should be set. Column beam skeleton should be fixed with temporary support to prevent collapse.
7, binding foundation reinforcement, should be placed according to the provisions of the construction design of steel bracket or horse stool to erect the upper reinforcement, shall not be arbitrarily reduced bracket or horse stool.
8. When binding ring beams, overhangs, external walls and column steel bars of high-rise buildings, external racks or safety nets shall be erected. Fasten your seat belt when binding.
9. When lifting the steel skeleton, it is forbidden to stand below, and you must stay below the ground 1m before you can get close to it, and you can take off the hook after supporting it in place.
10, a protective baffle should be set before the cold-drawn hoist. If there is no baffle, the hoist should be at 90 degrees with the cold drawing direction, and a closed guide pulley should be used. When operating, you should stand behind the protective baffle, and people and vehicles are not allowed to pass through the cold drawing site.
1 1, cold-drawn steel bars shall be equipped with fixtures, and the start signal shall be sent after leaving.
12, cold-drawn and tensioned steel bars shall be carried out in strict accordance with the specified stress and elongation, and shall not be changed casually. Whether the reinforcement is stretched or relaxed, it should be slow and uniform. If the oil pump, jack and pin clamp are abnormal, stop tensioning immediately.
13, when tensioning steel bar, protective baffles shall be set at both ends. After the steel bar is tensioned, it should be protected. It is forbidden to press or walk on heavy objects. When pouring concrete, it is necessary to prevent the vibrator from impacting the prestressed reinforcement.
14, tensioning jack feet must be aimed at components, straighten, measure tensioning length, add wedges and tighten bolts, stop tensioning first, and stand on both sides to prevent steel bars from breaking and rebounding.
15. When there are prestressed and non-prestressed steel bars in the same component, the prestressed steel bars shall be tensioned twice, the first time to 70% ~ 80% of the control stress, and then to the specified stress value after the non-prestressed steel bars are bound.
16, the machinery operated normally before cutting. When cutting, the distance between the hand and the blade shall not be less than 15cm, and feeding is prohibited when the moving blade moves forward.
17. The cutting edge of reinforcement shall not exceed the mechanical load capacity. When cutting special steel bars such as low alloy steel, high hardness blades should be used.
18, cutting long steel bars should be controlled by special personnel, and the operating procedures should be consistent, and it is not allowed to drag at will. Cut short steel bars must be clamped by casing or pliers, and direct feeding by hand is not allowed.
19, there should be a feeding table next to the cutting machine. When the machine is running, it is forbidden to directly remove the broken ends and sundries near the knife edge by hand. Non-operators are not allowed to stay within the scope of steel bar placement.
20, steel bar are not allowed to pile up mechanical objects, in case of mechanical vibration fall into the body.
2 1, steel bar straightening, steel bar into the drum, hand and drum should keep a certain distance. Do not adjust the drum when the machine is running.
22, reinforced until the end, personnel must avoid, in case of fall off cuts.
23, steel bar with a diameter of less than 2m or more than 9mm straightening, should be low-speed processing.
24, steel bar straightening, steel bar should be posted in the baffle, pay attention to the position and direction of rotation of the plug, shall not be staggered.
25, bending long steel bar, should have someone to hold, and stand outside the direction of steel bar bending, cooperate with each other, and shall not be delayed.
26. Turn around and bend over to prevent people and things from colliding. Replace the mandrel, add oil and clean it, and then stop the machine.
27, steel welding, welding machine should be located in a dry place, the balance is firm, want to have a reliable grounding device, wire insulation is good, and in the switch box is equipped with air switch to prevent leakage protection.
28, welding operation should wear protective glasses and gloves, and stand on the rubber plate or wood. The work shed should be built with fireproof materials. It is forbidden to pile up inflammable and explosive articles in the shed, and it is equipped with fire fighting equipment.
29, butt welding machine contactor contact, motor, to regular inspection and maintenance, keep the cooling water pipe unblocked, shall not leak and exceed the prescribed temperature.
30, reinforced it is forbidden to touch, touch, hook, wire and cable pressure.
3 1, steel mechanical operation must turn off the power supply and lock the switch box.
Safety operation procedures for concrete workers
1, when the concrete truck arrives at the hopper, there should be measures to stop the car, and it should not be scattered too hard.
2. When transporting by derrick, the trolley handle shall not extend out of the cage; The front and rear wheels should be firmly blocked and rise and fall smoothly.
3, pouring concrete chute and string tube must be connected firmly. Operating parts should have protective railings, and it is not allowed to operate directly on the chute side.
4. When conveying concrete with a delivery pump, the pipe joint and safety valve must be in good condition, and the shelf of the pipeline must be firm. It must be delivered before delivery, and the maintenance must be lifted.
5, pouring concrete frame, beam, column, console should be set up, not directly standing on the template or support operation.
6, cast arch structure, should be symmetrical at the same time on both sides of the arch foot; Protective measures should be set for pouring ring beams, awnings and balconies.
7. Do not stand and walk on the edge of the concrete curing pool, and pay attention to the holes in the cover plate and gutter to prevent falling.
8. When using vibrators and flat vibrators, insulating rubber shoes should be worn. Wet hands are not allowed to touch the switch. The wires must not be broken and have leakage. Electrical equipment must have leakage switches.
General workers (handyman) safety operation procedures
1. When excavating earthwork, keep the operating distance between two people at 2 ~ 3m, and excavate layer by layer from top to bottom. It is forbidden to use the method of digging a hole.
2. Excavate trenches and foundation pits. Slope should be placed according to soil quality and excavation depth, and solid wall support should be set when necessary. The excavated soil shall be piled up outside the ditch edge lm, and the height shall not exceed1.5m.
3, hoisting earthwork, ropes, pulleys, hooks, laundry list, etc. Should be intact and firm, and no one can be vertically below when lifting.
4, the demolition of solid wall support must be carried out from bottom to top, fill a layer, and then tear down a layer, not a tear down to the top.
5. When transporting materials with trolleys, pay attention to stability, grasp the center of gravity, and avoid rushing around. The distance between the front car and the rear car shall not be less than 2m on the flat ground and 10m on the downhill.
6, take bricks from the brick stack should be carried out step by step from top to bottom, it is forbidden to open a yard or take it below. Whole bricks and half bricks should be delivered separately.
7. The height of scaffold bricks is not allowed to exceed three layers of edge bricks.
8, the vehicle is not stopped, it is forbidden to up and down and loading and unloading materials, the materials should be padded and tied firmly. Open the board to stand on the side.
9, build by laying bricks or stones retaining wall to handle stone, rope tools should be strong; When two people carry goods, they should cooperate with each other and act in unison; Transport by car or basket, don't fill it too full, in case people fall.
10. When transporting the stone to the pit, chute or lifting should be used, and no one can be below.
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12, after the work, the place such as working face and scaffolding should be cleaned up.
Safety operation procedures for rock drilling and blasting workers
1, dig deep pits, deep ditches, roadways, etc. According to geological conditions and construction requirements, slope, top bracing or solid wall bracing shall be set to prevent roof caving and collapse.
2, in the tunnel chamber construction, to classes "knock help ask top", found the danger, ruled out in time. If there are signs of water seepage in the tunnel room, the operation should be stopped immediately and treated.
3. Indoor rock drilling in roadway holes should adopt wet operation, and strengthen ventilation and personal protection. Dust prevention measures should be taken when water is scarce or it is not suitable for wet operation.
4. When drilling with a hand-operated pneumatic drill, keep your hands away from the air door of the drill, and it is forbidden to ride a horse.
5. When using the rock drill, the rubber air duct shall not be twisted and knotted, and the ventilation shall not be stopped due to bending the air duct. When drilling, the drill pipe and the hole must be kept in a straight line, and the air door should be closed before replacing the drill bit.
6, fuse and fire detonator, must be placed in a special processing room. Electrical and metal equipment is not allowed indoors, and irrelevant personnel are not allowed to enter.
7, cutting fuse or detonating cord, must use a sharp knife, it is forbidden to use scissors to cut or use stone tools, iron broken. The fuse length shall not be less than 1m, and the detonating cord shall not be hit, thrown or trampled. Detonators shall not be placed on the table where the fuse or detonating cord is cut.
8. The processing of the primary explosive charge can only be carried out at the blasting site before blasting, and the required quantity can be made at one time, and no finished products can be reserved. The prepared primary explosive shall be properly kept by special personnel.
9. Insert medicinal wooden bamboo sticks lightly. It is forbidden to force people and tamp them with metal rods. It is forbidden to use frozen, semi-frozen or semi-melted nitroglycerin explosives.
10, chamber blasting room lighting before installing the detonator, the voltage should be low. When installing the detonator, it must be illuminated with a flashlight or a transparent lamp outside the hole.
1 1, shooting must be commanded by a special person, set the warning range in advance, specify the warning time and signal signs, and send warning personnel; Inspection shall be conducted before initiation, and initiation shall be allowed only after all construction workers, passers-by, ships and vehicles have taken refuge in a safe place. After the alarm is lifted, the gunner's shelter must be firm and the road must be clear.
12, electric blasting shall comply with the following provisions:
(1), the power supply is strictly controlled by special personnel, the blaster is kept by special personnel, and the knife box is locked. Do not insert the handle or key into the blaster or junction box before the blasting time.
(2) The same electric cannon should use detonators of the same factory, batch and brand, and the resistance error of each detonator should be controlled within 0.2 Ω.
(3) First connect the electric detonator crural line into a short circuit and untie it when it is connected to the bus. The connecting bus should be laid from the charging place to the power supply, and the end of the main line should be wrapped with tape before being connected to the power supply to prevent accidental contact with the power supply.
(4) Before charging, it is forbidden to connect the grounding wire of the electric detonator to the metal pipes and rails. Electric explosion in the open air is not allowed in thunderstorm weather. In case of lightning strike halfway, both ends of the crural line and the detonator main line should be quickly connected to form a short circuit.
(5), online, portable lights must be pulled out of the working face 3m away. When lighting with a flashlight, the distance should be 1.5m from the online position.
(6) After the electric explosion network is laid, the personnel should evacuate to a safe area, and then check the network conductivity with an ohmmeter or a bridge. The difference between the measured resistance and the calculated resistance shall not exceed 10%.
13, when using fire detonators, only special incense sticks are allowed to light the fuse. Cigarettes, matches or other open flames are not allowed.
14, the artillery group and the electric artillery group are in the same construction area. First light the artillery and then close the switch; Two people are not allowed to shoot in the same direction, and the number of guns per person shall not exceed 15. After initiation, 20 mm before the last shot, no one is allowed to enter the working face.
15. Safety warning distance radius of open-pit blasting: naked loading, deep hole method and chamber method shall not be less than 400 m; Blast hole method (shallow hole method) and pot method shall not be less than 200m m m.
16, after shooting, at least two people should patrol the shooting site to check and deal with dangerous rocks, supports, misfires and residual guns.
17, misfire processing shall comply with the following provisions:
(1), the electric explosion will not detonate after being electrified, so the main line should be disconnected from the power supply and connected into a short circuit. 5min· this 5 minutes, if you need to enter the site, the detonator shall not be earlier than 5 minutes after short circuit; If a delay detonator is used, it should not be earlier than 15 minutes after short circuit.
(2) The misfire caused by poor wiring can be re-wired for initiation.
(3), it is forbidden to use digging or loading explosives in the original hole, should be 60cm away from the original hole, the other drilling and shooting.
(4), before the misfire is not processed, it is strictly prohibited to carry out other operations in this location.
18, blasting materials warehouse should meet the requirements of explosion-proof, lightning protection, moisture-proof, fire prevention and rat prevention. And have good ventilation equipment, the temperature should be kept between10 ~ 30 C. The warehouse should be more than 800m away from the village or other buildings; When it is less than 800m, the warehouse should be built on the top of the dike not less than 1.5m, or semi-underground or cavern, but the distance should not be less than 400 m.
19, explosives unpacking should be carried out within a safe distance outside the library, and it is forbidden to knock hard.
20, to receive detonators and explosives must be in the daytime, and shall be the responsibility of the gunner, respectively, into non-metallic containers. It is strictly forbidden to put it in the pocket. The storage and recipients must count and sign it face to face. The recipients will deliver it to the site in person and may not change hands.
2 1. Every day, the remaining detonators and explosives should be temporarily stored in a small warehouse, and it is forbidden to collect them privately.
22, transport blasting materials, to choose to meet the safety requirements of the means of transport, bicycles or motorcycles are not allowed to be used; Transportation should be carried out according to the prescribed route and time, and escorted by special personnel. Escorts are not allowed to carry dangerous goods that may easily cause explosion. Vehicles and ships carrying explosives should be marked with the word "danger" in obvious places, and should bypass the fire source 200 meters upwind and 300 meters downwind; Stop halfway or in case of thunderstorm, stop at a place 200 meters away from houses, wires, forests, bridges and tunnels; Slow down in foggy, windy and snowy days.
23, explosives, detonators, detonating cord are not allowed to be installed in the same car and ship. Handle with care when loading and unloading, and put it firmly. Detonator box shall be filled with flexible material.
Woodworking safety operation procedures
1, rotten and cracked materials shall not be used for formwork support. The support should be vertical, the bottom should be flat and solid, and the wood should be padded. Wooden mats should be nailed firmly and fixed with cross bars and scissors.
2, shuttering should be strictly checked, found serious deformation, bolt looseness, etc. It should be repaired in time.
3, shuttering must be carried out according to the process, before the template is not fixed, the next working procedure shall not be carried out, and it is forbidden to use tie rods and support climbing.
4, for more than 4m column template, must be around firmly, can build workbench, fasten your seat belt, less than 4m, can use horse stool operation. .
5, for independent beam mould should be set up temporary workbench, shall not stand on the mould operation and walking on the beam bottom die.
6, dismantle the template should be approved by the construction technical personnel. Operation shall be carried out in sections in sequence, and it is forbidden to smash, peel or pull the whole block. Before completion, no loose or hanging formwork shall be left, and the dismantled formwork shall be transported to the designated place in time for centralized stacking to prevent nails from pricking feet.
7, sawmill before operation should check the saw blade can not have cracks, screws should be tightened. The saw disc should have safety devices such as protective cover and protective baffle, and the power supply should be cut off when no one is operating.
8. Wear protective glasses when operating and stand on the side of the saw blade. It is forbidden to stand on the same straight line with the saw blade, and the arm shall not cross the saw blade.
9, when feeding must be close to the backer, not too hard, in case of hard section to push slowly. The receiving material shall be discharged from the saw blade 15cm, and shall not be pulled by hand.
10, short and narrow materials should be pushed with a stick and received with a hook. It is not allowed to saw materials exceeding the radius of the saw blade.
1 1, before and after the rainstorm and typhoon, check the formwork and support of the construction site. Found deformation, subsidence and other phenomena, should be timely repair and reinforcement, there is a serious danger, immediately ruled out.
12, site roads should be kept clear, ramps and scaffolding should have anti-skid facilities.
Safety operation procedures for steel reinforcement workers
1, steel, semi-finished products, etc. Should be neatly stacked according to specifications and varieties, the production site should be flat, the workbench should be stable, and the lighting must be covered with a net.
2. Straighten and clamp the steel bar. The ground anchor should be firm. Pedestrians are prohibited within 2m of lacing. According to the diameter of the straightening steel bar, select the appropriate straightening block and transmission speed, and feed can be carried out only after debugging is qualified. Before feeding, cut off the head that is not straight.
3. Spread the disc reinforcement to a card to prevent rebound, and cut it off with your feet first.
4, artificial cutting, tools must be strong. Hold the chisel and hammer obliquely, and pay attention to people and things in the hammer-hitting area. Cut short steel bars less than 30cm, clamp them firmly with pliers, and do not hold them by hand, and set a protective cover on the outside.
5, many people together to transport steel bar, up, down, turn, stop action should be consistent, artificial transmission shall not be in the same vertical line. Steel bars should be dispersed and fixed to prevent collapse.
6, at high altitude, deep pit binding steel and installation of skeleton, scaffolding and. Must be set. When binding column and wall reinforcement, you are not allowed to stand on the reinforcement skeleton and climb up and down the skeleton. The column within 4m is not heavy and can be tied to the ground or floor. When the whole column is over 4m, a workbench should be set. Column beam skeleton should be fixed with temporary support to prevent collapse.
7, binding foundation reinforcement, should be placed according to the provisions of the construction design of steel bracket or horse stool to erect the upper reinforcement, shall not be arbitrarily reduced bracket or horse stool.
8. When binding ring beams, overhangs, external walls and column steel bars of high-rise buildings, external racks or safety nets shall be erected. Fasten your seat belt when binding.
9. When lifting the steel skeleton, it is forbidden to stand below, and you must stay below the ground 1m before you can get close to it, and you can take off the hook after supporting it in place.
10, a protective baffle should be set before the cold-drawn hoist. If there is no baffle, the hoist should be at 90 degrees with the cold drawing direction, and a closed guide pulley should be used. When operating, you should stand behind the protective baffle, and people and vehicles are not allowed to pass through the cold drawing site.
1 1, cold-drawn steel bars shall be equipped with fixtures, and the start signal shall be sent after leaving.
12, cold-drawn and tensioned steel bars shall be carried out in strict accordance with the specified stress and elongation, and shall not be changed casually. Whether the reinforcement is stretched or relaxed, it should be slow and uniform. If the oil pump, jack and pin clamp are abnormal, stop tensioning immediately.
13, when tensioning steel bar, protective baffles shall be set at both ends. After the steel bar is tensioned, it should be protected. It is forbidden to press or walk on heavy objects. When pouring concrete, it is necessary to prevent the vibrator from impacting the prestressed reinforcement.
14, tensioning jack feet must be aimed at components, straighten, measure tensioning length, add wedges and tighten bolts, stop tensioning first, and stand on both sides to prevent steel bars from breaking and rebounding.
15. When there are prestressed and non-prestressed steel bars in the same component, the prestressed steel bars shall be tensioned twice, the first time to 70% ~ 80% of the control stress, and then to the specified stress value after the non-prestressed steel bars are bound.
16, the machinery operated normally before cutting. When cutting, the distance between the hand and the blade shall not be less than 15cm, and feeding is prohibited when the moving blade moves forward.
17. The cutting edge of reinforcement shall not exceed the mechanical load capacity. When cutting special steel bars such as low alloy steel, high hardness blades should be used.
18, cutting long steel bars should be controlled by special personnel, and the operating procedures should be consistent, and it is not allowed to drag at will. Cut short steel bars must be clamped by casing or pliers, and direct feeding by hand is not allowed.
19, there should be a feeding table next to the cutting machine. When the machine is running, it is forbidden to directly remove the broken ends and sundries near the knife edge by hand. Non-operators are not allowed to stay within the scope of steel bar placement.
20, steel bar are not allowed to pile up mechanical objects, in case of mechanical vibration fall into the body.
2 1, steel bar straightening, steel bar into the drum, hand and drum should keep a certain distance. Do not adjust the drum when the machine is running.
22, reinforced until the end, personnel must avoid, in case of fall off cuts.
23, steel bar with a diameter of less than 2m or more than 9mm straightening, should be low-speed processing.
24, steel bar straightening, steel bar should be posted in the baffle, pay attention to the position and direction of rotation of the plug, shall not be staggered.
25, bending long steel bar, should have someone to hold, and stand outside the direction of steel bar bending, cooperate with each other, and shall not be delayed.
26. Turn around and bend over to prevent people and things from colliding. Replace the mandrel, add oil and clean it, and then stop the machine.
27, steel welding, welding machine should be located in a dry place, the balance is firm, want to have a reliable grounding device, wire insulation is good, and in the switch box is equipped with air switch to prevent leakage protection.
28, welding operation should wear protective glasses and gloves, and stand on the rubber plate or wood. The work shed should be built with fireproof materials. It is forbidden to pile up inflammable and explosive articles in the shed, and it is equipped with fire fighting equipment.
29, butt welding machine contactor contact, motor, to regular inspection and maintenance, keep the cooling water pipe unblocked, shall not leak and exceed the prescribed temperature.
30, reinforced it is forbidden to touch, touch, hook, wire and cable pressure.
3 1, steel mechanical operation must turn off the power supply and lock the switch box.
Safety operation procedures for concrete workers
1, when the concrete truck arrives at the hopper, there should be measures to stop the car, and it should not be scattered too hard.
2. When transporting by derrick, the trolley handle shall not extend out of the cage; The front and rear wheels should be firmly blocked and rise and fall smoothly.
3, pouring concrete chute and string tube must be connected firmly. Operating parts should have protective railings, and it is not allowed to operate directly on the chute side.
4. When conveying concrete with a delivery pump, the pipe joint and safety valve must be in good condition, and the shelf of the pipeline must be firm. It must be delivered before delivery, and the maintenance must be lifted.
5, pouring concrete frame, beam, column, console should be set up, not directly standing on the template or support operation.
6, cast arch structure, should be symmetrical at the same time on both sides of the arch foot; Protective measures should be set for pouring ring beams, awnings and balconies.
7. Do not stand and walk on the edge of the concrete curing pool, and pay attention to the holes in the cover plate and gutter to prevent falling.
8. When using vibrators and flat vibrators, insulating rubber shoes should be worn. Wet hands are not allowed to touch the switch. The wires must not be broken and have leakage. Electrical equipment must have leakage switches.