1, strictly abide by the "basic provisions for the safety of construction and installation workers".
2, shelving is a special type of work, the operator must hold a valid license to work, where do not have the knowledge of working at height and operating techniques of young workers, new workers, old and weak, suffering from illnesses certified by the medical unit can not work at high altitude and pre-shift drinking and other workers, shall not be allowed to work at high altitude.
3, workers must wear helmets and safety belts, wear soft-soled shoes (not allowed to wear plastic-soled shoes, leather shoes), paving the scaffolding board is not allowed to operate on horseback. Tools and small parts should be placed in the tool bag, cuffs, pants should be tightly tied to prevent accidents caused by hooks and pants. The construction should be unified command, thought concentration, mutual cooperation, is strictly prohibited in the scaffolding construction process laughing and joking. Materials, tools shall not be thrown, lifting materials, tools are not allowed to stand below.
4, in close proximity to the power line to build scaffolding or other frame, when the safety distance does not comply with the norms, must cut off, migrate the power supply before building.
5, steel pipe scaffolding must be set up in accordance with the provisions of the lightning grounding device to prevent lightning strikes, in the iron well frame or crane and so on higher than the height of the scaffolding, and is equipped with a safety grounding device, according to the actual situation to determine whether the need to install the grounding device.
6, in general, the load bearing scaffolding construction load shall not exceed 3KN/m2, each row of scaffolding board device standard bricks and 190 x 190 x 90 mm porous bricks shall not be more than three sides, picking scaffolding and basket scaffolding bearing parts should be calculated to determine the number of stacked bricks, such as overloading should be stopped in a timely manner. Where the use of combination
scaffolding, should be used before the test pressure, after forty hours of design static load test pressure, if the scaffolding parts to determine no transportation to the designated location of the centralized stacking, to prevent nails feet.
7, where more than six winds, heavy fog, thunderstorms or snow, are not allowed to work at height, especially after the rain and snow construction should pay attention to anti-skid. Scaffolding should be checked frequently, where the wind, ice and snow thaw or stop work for a period of time after the use of scaffolding must be a comprehensive inspection of the scaffolding, if necessary, but also for the test, found that the problem should be dealt with in a timely manner.
8, the construction process should be responsible for frequent inspection of the scaffolding, such as found in connection with parts of the loosening, punch day, draw bar, cross flute, the top of the top brace has left and right up and down displacement or fasteners, wire is lifted, scaffolding board broken, warping, etc. should be reinforced in a timely manner to be able to continue to use the scene.
9, all scaffolding construction around the building, cavity, small patio, etc., chimneys, water towers, the garden tube around the library, urban construction, renovation of housing, and along the roads, intersections, or safety on the necessary (such as more than three steps of the scaffolding, the operation of scaffolding on the level of the board can not be full of pavement) should be set up under the sea fences, sheds, and Zhang safety nets and other effective measures.
10, the scaffolding workers in the process of building scaffolding, must concentrate on the idea, unified command, prohibit more than one person concentrated in the same scaffolding board for work.
Tiling safety and technical regulations
1, strictly abide by the "basic provisions for the safety of construction and installation workers".
2, up and down scaffolding should take the ramp. Not allowed to stand on the brick wall to do masonry, scribing, checking the large vertical scale and sweeping the wall and other work.
3, bricklaying tools should be placed in a stable place, chopping bricks should be facing the wall, the work should be completed on the scaffolding board brick wall of broken bricks, mortar clean, to prevent falling injuries.
4, the mountain wall should be installed after the completion of the truss or add temporary support to prevent collapse.
5, lifting block fixture should be firm, in place after stabilizing, Fang's loose fixture.
6, in the roof slope is greater than 25 degrees, hanging tile must use mobile board ladder, board ladder must have a solid hook. When there is no external rack, the eaves should be set up to protect the railing and protection of the net.
7, roof tile should be two slopes at the same time, to maintain a balanced roof force, tile should be put stable. When there is no hope board on the roof, the channel should be laid, and walking on the truss and tile is not allowed.
Plaster safety and technical regulations
1, strict compliance with the "basic provisions for the safety of construction and installation workers"
2, indoor plastering use of wooden benches, metal brackets set up smoothly and firmly, scaffolding boards spanning more than the shelf stacked materials should not be too concentrated, should not be more than two people in the same span.
3, not allowed in the doors and windows, radiators, sinks and other artifacts on the scaffolding board. Balcony parts of painting, the outside must be hung with safety net. It is strictly prohibited to step on the scaffolding guardrail and balcony barricade on the operation.
4, mechanical spraying gray spraying should wear protective gear, pressure gauge, safety valve should be sensitive and reliable, slurry pipe interfaces should be tightened firmly. Pipes placed straight, avoid bending.
5, slurry should be strictly in accordance with the prescribed pressure, overpressure and pipe blockage, should be depressurized maintenance.
6, veneer using prefabricated parts, marble, tiles, etc., should be stacked neatly and smoothly, transported while using. Installation should be held steady, to be grout solidified and stabilized, before checking the temporary support.
7, the use of stone grinding machine, should wear insulated gloves wearing rubber boots, the power cord shall not break the skin leakage, emery block installation must be firm, after the test run normal, before operation.
Carpentry safety technical operation procedures
Strictly abide by the "basic provisions for the safety of construction and installation workers"
Supporting and dismantling of mold:
1, template support shall not be used to rot, twisting and cracking of the material. The top support should be vertical, the bottom end is flat and solid, and add padding. Wooden wedge should be nailed firmly, and pull firmly with horizontal smooth tie rod and scissor brace.
2, using truss support mold should be strictly checked, found serious deformation, loose bolts should be repaired in time.
3, support mold should be carried out according to the process, the template is not fixed before the next process. Prohibit the use of tie rod, support climbing up and down.
4, support more than 4 meters of the column template, around the top must be firm. Operation to set up a workbench; less than 4 meters, you can use a horse stool operation.
5, support independent beam mold should be set up temporary workbench, shall not stand on the column mold operation and walking on the beam bottom mold.
6, remove the template should be agreed by the construction technician. Operation should be carried out in sequence in sections, prohibited prying, hard smash or large pry down and pull down. Before the completion of the work, shall not be six under the loose and hanging template. Remove the template should be transported to the designated location in a timely manner, centralized stacking, to prevent nails feet.
7, demolition of thin web beams, crane beams, truss beams and other prefabricated components templates, should be dismantled along with the addition of roof support support, to prevent the components from tipping.
Wooden component installation:
8, in the slope greater than 25 degrees of the roof operation, there should be anti-slip ladder, guard railings and other protective measures.
9, wooden roof frame should be assembled on the ground. Must be assembled above should be continuous, interruption should be set up temporary support. After the roof frame in place, should be installed in a timely manner ridge purlin, tie rod or temporary support. The rigging used for lifting materials must be good and firmly tied.
10, there is no lookout board on the roof installation of asbestos shingles, should be in the roof frame under the chord of the safety net or other safety facilities. And the use of non-slip strips of scaffolding board, hooked firmly before operation. It is prohibited to walk on the asbestos tiles.
11, the installation of two floors above the exterior wall window, such as no scaffolding or safety net outside, should be hung with a safety belt. Installation of window sashes in the fixed fan, must be nailed firmly.
12, not allowed to pass directly on the slatted ceiling or soundproof board and stacking materials. Must pass, should be laid in the big flute on the scaffolding board.
13, nail the eaves board, must stand on the scaffolding board, prohibited in the roof of the probing operation.
14, carpentry use of woodworking machinery should comply with the safety regulations for the use of woodworking machinery.
Template worker
Strictly abide by the "Basic Provisions on Work Safety for Construction and Installation Workers"
Large templates and prefabricated components storage:
1, large templates and prefabricated components should be piled up in zones in accordance with the provisions of the design of the construction organization and keep
a certain distance between the various zones. The storage site must be leveled and compacted, and shall not be stored in loose soil and potholes.
2, various types of large templates, should be manufactured according to the design. Each large template should be equipped with operating platforms, up and down ladders, protective railings, and storage of small tools and bolts of the toolbox. Before leaving the factory should be carefully checked, must meet the safety requirements.
3, large template storage, must be lifted up the ground bolt, so that the self-stabilizing angle of 70-80 degrees, the lower part of the pad should be through the length of wooden square. Long-term storage of large templates, the application of tie rods connected and tied. Stored in the floor, must be in the large template beam hanging wire rope or basket bolts, hooked in the floor hook or wall reinforcement.
4, there is no support or self-stabilizing angle is not enough large template, to be stored in a special stacking rack or lying down flat, should not be leaning on other templates or components.
1, the outer wall board, the inner partition board should be placed in the metal insertion frame, the lower end of the pad through the length of square wood, both ends of the wedge wedge. The height of the insertion of the frame should be more than 2/3 of the height of the component, the top should be built 30 cm wide aisle and up and down the ladder, easy to hook.
2, the site set up the insertion of the frame, the vertical pole buried in the ground 50 cm, the middle of the vertical pole should be tied scissors, up and down the horizontal tie rod, support and square cushion wood must be tied into a whole, stable and solid.
3, generally appropriate to use metal materials to put against the frame production, carefully check and acceptance before use. Internal and external wall panels, the lower end must be pressed on the cushion wood connected to the shelf, only allowed to put the same specification wallboard, two sides should be balanced, lifting is strictly prohibited from the middle of the lifting, to prevent tipping.
Large template installation and dismantling:
4, installation and dismantling of large template, crane driver and installer should always check the rigging, close cooperation, to achieve a stable rise, stable fall, stable position, to prevent the large template swing, collision with other objects, resulting in the collapse of the accident.
5, large template installation and removal, should be the first inside and then outside the number in place. Single-sided template in place, with steel triangle bracket inserted into the board on the bolt eye to support firmly. After the double-sided template is in place, it is fixed with tie rods and bolts. Do not remove hooks before fixing in position.
6, lifting large template, if preventing decoupling device, can lift two pieces of the same room, but it is prohibited to lift one side of the wall at the same time.
7, when lifting the big template with platform, it is forbidden to store any object on the platform. Inside and outside the corner mold and temporary picking, hanging of the board and the large template must be firmly connected to prevent disengagement and fracture fall.
8, separate pouring of vertical and horizontal wall concrete, can be in the two horizontal walls of the template platform to build a temporary walkway or other safety measures. Prohibit the operator to walk on the outer wall.
9, remove the template should be removed first through the wall bolts and iron parts, and make the template and the wall detachment, before slow lifting.
10, clean the template and brush the isolator, must be firmly supported the template, the two boards in the middle of no less than
60 cm walkway.
11, large formwork placement, the following shall not be pressed with electric wires and steam welding pipeline. The use of electric heat method of concrete curing, must be the template in series and connected to the lightning net to prevent leakage of electricity.
Interior and exterior wall panels, large floor prefabricated components installation:
12, a variety of prefabricated components must be installed in accordance with the construction sequence of the number of the right position, should be maintained vertically and steadily up. Immediately after the position, the members of the tie rod and support welded or anchored, before taking off the hook. It is prohibited to stand on the edge of the outer wall panel to push and pull the hook.
13, lifting wallboard from the insertion and release frame should be stuck firmly, vertical and stable, wallboard must exceed the permissible height of the obstacle before rotating the arm.
14, the upper and lower wall plate in place, should be reserved steel welding immediately, prohibit the lower wall plate is not welded before the installation of the upper components.
15, diversion of water section construction, water section of the end of the outer wall plate, one side and the horizontal wall connection, the other side must be iron pipe and steel wire rope with planter bolts, the outer wall plate and the floor of the temporary pulling, until with the next section of the water reinforcement ring strung reinforcement can not be dismantled.
16, wall panels shall not be pried after fixed in place, need to be pried to adjust, should be re-hooked. It is prohibited to dismantle supports and ties during wall panel installation.
21, the outer wall is brick masonry, before pouring concrete on the inner wall, the outer wall must be reinforced to prevent the wall from rising. When removing, it is prohibited to hang the reinforcement material on the wall and throw it directly down.
22, balcony plate installation in place must be supported layer by layer of temporary pillars, continuous support under the top less than three layers, and should be firmly tied with the wall. Balcony plate reserved tie bars and ring beam reinforcement should be welded in time.
23, balcony railing and staircase railing, should be installed with the floor, such as can not be installed in a timely manner, must be built on the outside of the protective railing.
24, prefabricated components in place after welding firmly, should immediately cut off the ring to prevent tripping.
Safety technical operating procedures for steel workers
Strictly abide by the "basic provisions for the safety of construction and installation workers" production, tying.
1, steel, semi-finished products, etc. should be stacked neatly according to specifications, varieties, respectively, the production site should be flat, the workbench should be stable, lighting fixtures must be added net cover.
2, straightening steel, card head to card firmly, ground anchor to be strong and firm, pulling along the line of 2 meters within the area of the ban on pedestrians. Artificial winch straightening, not allowed to use the chest, belly contact push bar, and slowly loosened, not once loosened.
3, unfolding coiled rebar to one end of the card firmly, to prevent rebound, cut off the first foot to step on the tight.
4, manual breaking, tools must be firm. Palm grams and hit the hammer to stand at an oblique angle, pay attention to throw the hammer area of people or objects. Cutting less than 30 centimeters of short steel, should be clamped firmly, prohibit the use of handholds, and set up on the outside of the protection of the box cage cover.
5, more than one person to transport rebar, start, fall, turn, stop action should be consistent, artificial up and down transmission shall not be in the same vertical line. Steel plate stacking should be decentralized, stable, to prevent dumping and collapse.
6, in the high altitude, deep pit binding steel and installing skeleton, scaffolding and horse path.
7, tying columns, wall reinforcement, shall not stand on the steel skeleton up and down. Column reinforcement in 4 meters or less, the weight is not large, can be tied on the ground or floor, the whole vertical; column reinforcement in more than 4 meters, should be set up workbench. Column beam skeleton, should be temporary support pulled firmly to prevent tipping.
8, tying foundation reinforcement, should be placed according to the construction design of reinforcing steel bracket or bench to set up the upper reinforcement, shall not arbitrarily reduce the bracket or bench.
9, tying of high-rise foundation building ring beam, eaves, exterior walls, side column reinforcement, should be set up outside the frame or safety net. Hang the safety belt when tying.
10, lifting steel skeleton, below the prohibition of standing people, must wait for the skeleton to fall to within 1 meters of the ground before allowed to approach, in place to support a good hook can be removed.
Cold-drawing and tensioning:
11, cold-drawing winch should be set up in front of the protective plate, there is no plate, the winch and cold-drawing direction should be 90 degrees, and the application of closed guide pulley. The operation should stand behind the protection plate, and the cold-drawing site is not allowed to stand and pass.
12, cold-drawing steel to be on the fixture, leave and then send a driving signal. Found sliding or other problems, to stop first, relax the steel bar before re-entering the operation.
13, cold drawing and tensioning of reinforcement should be strictly in accordance with the specified stress and elongation, shall not be changed. Whether cross stretching or relaxation of steel should be slow and even, found that the oil pump, jack, anchor card with abnormal, should immediately stop tensioning.
14, tensioning steel, both ends should be set up protection plate. Reinforcing steel tensioning should be protected, prohibit pressure or walking on it. When pouring concrete, the vibrator should be prevented from impacting the prestressing steel.
15, jack feet must be aligned with the member, placed flat, measure the length of stretching should first stop stretching, and stand on both sides of the operation, to prevent the rebar breakage, rebound injury.
1, the same member has pre-stressing and non-prestressing reinforcement, pre-stressing reinforcement should be tensioned in two times, such as a pull to 70%-80% of the control stress, to be tied to non-prestressing reinforcement and then tensioned to the specified stress value.
17, electric tensioning of electrical wiring must be installed by an electrician, wire connection points should be wrapped, not exposed. Tensioning, the voltage shall not exceed the specified value.
18 electro-thermal tensioning to reach the value of tensile stress, should be disconnected first, and then anchored, shall not be operated with electricity. Reinforcing steel in the cooling process, the two ends are prohibited to stand people.
19, the use of reinforcing steel machinery should comply with the safe operation regulations of reinforcing steel machinery.
Concretor safety technical operating procedures
1, strictly abide by the "basic provisions for the safety of construction and installation workers".
2, the car to the hopper pouring material, there should be blocking measures, shall not be too hard and withdrawal of the handle.
3, with the derrick into the transport, the cart handle shall not extend out of the cage, the wheels before and after the blocking, steady rise and fall.
4, pouring concrete chute and skewer used between sections must be firmly connected. The operation part should be guarded by railings, and it is not allowed to stand directly on the chute gang to operate.
5. Concrete should be delivered by pump, the pipe joints and safety valves must be intact, and the rack of the pipe must be firm, and the pipe must be test-fed before delivery, and the pressure must be removed for maintenance.
6, grouting frame, beam, column concrete, there should be an operating platform, not directly standing on the template or support operation.
7, pouring arched structure, should be symmetrical from both sides of the arch at the same time; pouring ring beams, canopies, balconies, should be set up protective measures; pouring silo, the lower mouth should be closed, and lay temporary scaffolding to prevent people from falling.
8, shall not stand and walk on the edge of the concrete curing kiln (pool), and pay attention to the kiln cover and gutter holes, to prevent foot fall.
9, the use of vibrating rod should wear rubber shoes, wet hands shall not touch the switch, the power cord shall not break the skin leakage.
10, prestressing grouting, should be carried out in strict accordance with the specified pressure, grout pipeline should be smooth, valve joints should be tight and firm.
Waterproof worker safety and technical regulations
1, strictly abide by the "basic provisions for the safety of construction and installation workers"
2, suffering from skin disease, conjunctival disease and serious sensitivity to asphalt workers shall not engage in asphalt work. Asphalt work is appropriately increased intermittent time per shift.
3, loading and unloading, handling, boiling, paving asphalt, you must use the prescribed protective equipment, the skin shall not be exposed, loading and unloading, handling crushed asphalt, must be sprinkled to prevent the powder from flying.
4, melting barrels of asphalt, the first barrel lid and all open the eye, with iron bars string through the baking is allowed, and often dredge the oil release holes and air holes. Strictly prohibit direct contact between the flame and oil.
5, boiling asphalt location shall not be located in the vertical below the power lines, generally should be 25 meters away from the building, the distance between the pot and the chimney should be greater than 80 cm, the distance between the pot and the pot should be greater than 2 meters; fire mouth and the pot side, there should be
70 cm high isolation facilities. Temporary piles of asphalt, fuel site, not less than 5 meters from the pot.
6, before oil, should be removed from the pot of impurities and water.
7, boiling oil must be guarded by experienced workers, to measure and control the oil temperature at any time, the amount of boiling oil shall not exceed three-quarters of the capacity of the oil pot, the next material should be slowly slipped put, prohibited chunks put. After work, turn off the fire, close the door, cover the pot.
8, pot of asphalt on fire, should be immediately covered with an iron pot cover, stop the blast, close the door, extinguish the fire, and is strictly prohibited in the burning asphalt water, dry sand, wet sacks to extinguish the fire.
9, the preparation of cold substrate oil, the material should be divided into batches, a small amount of slow, non-stop stirring, not more than one-half of the capacity of the pot, the humidity shall not exceed 80 degrees, and prohibit smoke and fire.
10, loading and transportation of asphalt spoons, buckets, pots and other tools, shall not be soldered. The amount of oil shall not exceed two-thirds of the container, shoulder or wheelbarrow, the road should be flat, the rope should be firm. No one shall be allowed below the vertical when lifting.
11, roof tiling coil, surrounded by 1.2 meters high fence should be set up, close to the roof around the edge should be operated sideways.
12, in the basement, foundation, pool walls, pipes, containers, etc. for toxic, hazardous paint waterproofing operations, should be regularly rotated intermittent, ventilation.
General worker safety and technical regulations
1, strict compliance with the "basic provisions for the safety of construction and installation workers"
2, excavation of earth, two people operating spacing to maintain 2-3 meters, and digging from the top to the bottom layer by layer, prohibit the use of hollowing out of the operating method.
3, excavation trench, pit, etc., should be according to the soil quality and depth of excavation slope, if necessary, set solid wall support. Excavated soil should be piled up 1 meter away from the edge of the trench, and the height shall not exceed 1.5 meters.
4, lifting earth, ropes, pulleys, hooks, baskets, etc. should be intact and solid, lifting vertical below no one.
5, remove the solid wall support should be bottom-up, fill a layer, and then demolition of a layer, shall not be demolished to the top.
6, the use of frog tamping machine, power cable must be intact. When operating, should wear insulated gloves, it is strictly prohibited to ram the power cable. Ramming on slopes or loose soil, not back traction rammer. Stop using it should be pulled between the power off, and then allowed to carry.
7, with a wheelbarrow loading materials, should pay attention to the smooth, grasp the center of gravity, shall not run and spread the slip put, before and after the distance between the car in the flat land shall not be less than 2 meters, downhill shall not be less than 10 meters.
8, from the brick stack brick should be taken from the top to the bottom of the ladder to take, prohibit a yard to the bottom or below the hollowing out. Whole bricks and half-bricks should be transmitted separately.
9, the height of bricks on the scaffolding is not allowed to exceed three layers of side bricks.
10, the vehicle is not parked, prohibit up and down and loading and unloading materials, the loaded materials should be well padded and tied. Open car panel should
Stand on the side.
Electrician safety and technical regulations
Strictly abide by the "basic provisions for the safety of construction and installation workers," the general requirements:
1, all insulated, inspection tools, should be properly stored, prohibited for other uses, and should be regularly checked, calibrated.
2, site construction with high and low voltage equipment and lines, should be in accordance with the construction design and the relevant electrical safety technical regulations
Program installation and erection.
3. It is prohibited to connect or disconnect the power with load on the line, and prohibit the operation with electricity.
4, melting solder, tin, tools should be dry to prevent splash.
5, the torch shall not leakage, oil leakage and clogging, shall not be ignited in flammable, explosive places and use. Work
completed, fire extinguishing and deflating.
6, the preparation of epoxy resin and asphalt cable glue, the operating location should be well ventilated, and must wear good protective equipment.
7, shall not use soldering containers containing hot cable glue. Pouring in the air, no one below.
8, someone electrocuted, immediately cut off the power supply, first aid; electrical fire, should immediately cut off the power supply, the use of foam fire extinguishers or dry sand fire.
Equipment and inside wire installation:
9. When installing switching equipment with return spring such as high-pressure oil switch, automatic air switch, etc., the switch should be placed in the disconnected position.
10, more than one distribution box (panel) installed side by side, fingers shall not be placed on the joint of the two panels, and shall not touch the connection screw holes.
11, picking grooves to hit the eye, the hammer head shall not be loose, shovel should be free of curled edges, cracks, wear good protective glasses. Floor, brick wall playing through the eye, under the board, behind the wall shall not be close to anyone.
12, manpower bender bending pipe, should choose a good site to prevent slipping and falling, the operation of the face to avoid.
13, pipe simmering bend sand must be dried, sand-loaded shelf set up firmly, and set up railings. Knocking with machinery, the following shall not stand, artificial knocking up and down to be staggered. Pipe heating, no one in front of the mouth.
14, tube wear with line, not to the mouth of the tube calling, blowing, to prevent the elasticity of the line hook eyes, wear wire, should cooperate with each other to prevent crowded hands.
15, the installation of lighting lines are not allowed to pass directly on the slatted ceiling or soundproof board and stacking materials. Must pass, should be laid in the big flute on the scaffolding board.
Outside wires and cables project:
16, electric poles carried by trolley, should be bundled and stuck firmly. When people lift, the movement is consistent, the pole shall not be too high from the ground.
17, artificial poles, the fork wood should be strong and intact, operation, mutual cooperation, balanced force. Mechanical poles, both sides should be set up skidding rope. No one is allowed in the pit when the pole is set up, and the pit is compacted before the fork wood or tow rope is removed.
18, before boarding the pole, pole root should be compacted firmly. Old wooden pole pole root unilateral decay depth more than one-eighth of the diameter of the pole, should be reinforced before boarding the pole.
19, boarding pole operation foot buckle should be compatible with the pole diameter. Use the foot pedal, the hook should be up. Safety belt should be chained to a safe and reliable place, buckle fastening, not allowed to be chained to the vase or cross-arm. Tools and materials should be passed on the rope, and it is prohibited to throw up and down.
20, pole tight line should be side operation, and will clamp bolt tight. Tighten the angled wire, should work on the outside. When adjusting the pull line, the pole shall not be occupied.
21, tighten the wire or wire rope, should be able to withstand all the tension, and the connection of the wire, must be firm. When tightening the line, no one below the wire. When tightening the line in one direction, the opposite direction should be set up temporary pull line.
22, erecting the line in every 2-3 kilometers of the line, should be grounded once, must be removed before power delivery, such as thunderstorms, stop working.
23, cable tray on the cable ends, should be tied firmly. Release frame, jacks should be set up smoothly, the coil should be rotated slowly to prevent off the bar or tipping. Cable set to the corner, should stand outside the operation. Nails on the wooden disk should be pulled out or bent.
Electrical adjustment:
24, the metal shell of the voltage test device shall be grounded. Tested equipment or cable ends, if not in the same place, the other end should be guarded or locked. And the instrumentation, wiring and other checks are correct, the evacuation of personnel before the pressure.
25, electrical equipment or materials for non-impact test, pressure or pressure, even and slow. Suspended for any reason or the end of the test pressure, should first cut off the power supply, safety discharge, and the high-voltage side of the boosting equipment short-circuit grounding.
26, power transmission system and high and low voltage switch debugging, the switch handle should be removed or locked, hanging signs to prevent misclosing.
27, with a shaking table to determine the insulation resistance, should be prevented from touching the line or equipment being measured, the determination of capacitive or inductive equipment, materials, must be discharged. Determination of line insulation is prohibited during lightning.
28, the current transformer is prohibited open circuit, voltage transformer is prohibited short-circuit and to boost the mode of operation.
29, electrical materials or equipment to be discharged, should wear insulating protective equipment, with insulating rod safety discharge.
Construction site substation and distribution and maintenance:
30, the site substation and distribution of high-voltage equipment, regardless of whether it is charged, a single person on duty is not allowed to go beyond the fence and engage in repair work.
31, in the high-voltage energized area part of the blackout work, the human body and the energized part, should maintain a safe distance and need to be supervised.
Voltage (kV)
Distance (meters)
6 or less
0.35
10-35
0.60
44
0.90
60-110
1.50
32, delivery and distribution of electricity indoor and outdoor high-voltage parts and lines, stop working:
(1) cut off the relevant power supply, the operating handle should be locked or hanging signs.
(2) the power test should wear insulated gloves, according to the voltage level of the use of inspection appliances, in the equipment on both sides of the phases or
line phases were accepted.
(3) After verifying that the equipment or line is confirmed to be free of electricity, the maintenance equipment or line will be short-circuited to ground.
(4) Installation of the grounding line should be carried out by two people, first connected to the grounding end, then connected to the conductor end, remove the order
Reverse. Removing and connecting should wear absolute wire protective equipment.
(5) The grounding wire should use the cross-section of not less than 25 square millimeters of multi-stranded bare copper wire and special wire clamps. Strictly
Disable the method of winding, grounding and short-circuiting.
(6) equipment or line maintenance is completed, should be fully checked for errors before removing the temporary short circuit grounding wire.
33. When pulling and closing the high-voltage switch with insulated rod or drive mechanism, insulated gloves should be worn. When operating outdoors in rainy days,
In addition to wearing insulating protective equipment, the insulating rod should have a rain cover and be supervised. It is strictly prohibited to pull and close the switch with load.
34, the metal casing of electrical equipment, must be grounded or zero. The same equipment can be grounded or zeroed. The same power supply network does not allow some grounded and some zero.
35, electrical equipment used in the fuse (piece) of the rated current should be compatible with its load capacity. Prohibit the use of other metal instead of fuse (piece).
36, the construction site at night temporary lighting wires with lamps, the height should not be less than 2.5 meters. Flammable, explosive places should be explosion-proof lamps.
37, lighting switches, light ports, and sockets should be properly connected to phase and zero line.
Welder's safety and technical regulations
1, strictly abide by the "basic provisions for the safety of construction and installation workers".
2, welding machine shell, must be well grounded, its power supply installation and removal should be carried out by electricians.
3, welding machine to set up a separate switch, the beginning should be placed in the rain-proof production gate box, pull together should wear gloves side
to operate.
4, welding pliers and handle line must be well insulated, firmly connected, replace the welding rod should wear gloves. In the wet place
work, should stand on the insulated rubber or wood.
5, is strictly prohibited in the pressure of the container or pipeline welding, welding charged equipment must be cut off first.
6, welding stored flammable, explosive, toxic substances of the container or pipe, must be cleaned up, and will
all orifices open.
7, in the closed metal container welding, the container must be reliably grounded, well ventilated, and should be supervised. It is strictly prohibited to input oxygen into the container.
1, welding preheating workpiece, there should be asbestos cloth or stall plate and other heat insulation measures.
2, put the line, ground, prohibit contact with the wire rope, not to mention the use of wire rope or electromechanical equipment instead of zero line.
All ground joints must be firmly connected.
10, change the site to move the handle line, should cut off the power supply, and shall not hold the handle line to climb the ladder.
11, remove welding slag, using arc gas planer root clearing, should wear protective glasses or mask, to prevent iron slag splash injury.
12, more than one welding machine in a centralized welding, welding platform or welding must be grounded, and the application of light barrier.
13, needle tungsten electrode should be placed in a closed lead box, grinding needle tungsten electrode, must wear gloves, mask, and will be timely exclusion of dust.
14, carbon dioxide gas preheater shell should be insulated, end voltage should not be greater than 36 volts.
15, thunderstorms, should stop open-air welding operations.
16, the welding site should be removed around the flammable and explosive substances, or covered, isolated.
17, must be in the flammable and explosive gases or liquids in the diffusion zone welding, should be tested by the relevant departments after permission before welding.
18, the end of the work, should cut off the power supply of the welder, and check the operation location, confirm that there is no fire hazard before leaving.