Common sense of tunnel safety operation?

What is the specific content of common sense of tunnel safety operation? Zhong Da Consulting will answer your questions below.

1. People with ear diseases, eye diseases, mobility difficulties, etc. Those who are not suitable for underground operation are not allowed to engage in tunnel-related operations.

2. New workers should receive three-level safety education when they enter the site, and employees without safety disclosure are not allowed to enter the construction site.

3. Don't work tired, don't smoke in caves, and don't work after drinking.

4. Operators should abide by labor discipline, obey management, operate according to regulations, consciously abide by labor discipline, use labor insurance articles correctly, and must not rest and leave their posts during working hours.

5. Fill in the inspection and maintenance records as required, and clean up the site after work.

6. The handover should be clear, and the successor failed to understand the contents of the handover.

7. Don't wear shoes with sliding nails, and pay special attention to anti-slip and anti-fall in rainy days. It is forbidden to walk, stay, chat or rest on the edge of the mud pond.

8. Before starting the machine, you must check whether the machine is running normally and report the problems in time.

9. Mechanical and electrical equipment should be commanded by special personnel, and must stop running after hearing the emergency stop.

10. Improve the service life of the equipment, prevent accidents, maintain the best operation state and normal operation of all components, and strictly carry out regular maintenance on this machine during use.

1 1. There should be enough luminosity in the construction at night, and the light on the working face is insufficient during the operation, which can't guarantee the safety of the operation, so the operation is not allowed.

12. The driver is not allowed to work without the command of the lifting commander.

13. Loading, unloading and troubleshooting are prohibited before the machine stops.

14. Turn off the power of cleaning equipment and maintenance equipment, and turn off the power of troubleshooting equipment.

15. Repair and maintain mechanical and electrical equipment regularly, and replace parts immediately if damaged. It is forbidden to operate the equipment in spite of illness.

16. The dangerous parts of the equipment shall be equipped with safety protection devices.

17. When the machine is working, the body parts shall not extend into the mechanical travel range.

18. TN-S system (three-phase five-wire system) is adopted, and the distribution box requires "three-level distribution and two-level protection". Electric machinery and equipment should have protective grounding or zero connection.

19. Don't send or turn off the power with wet hands. Any electrical equipment is considered to have electricity until it is verified that there is no electricity.

20. After completion every day, clean up in time, disconnect the power supply and lock the electric box before coming off work.

2 1. Normal control facilities shall not be adjusted without authorization.

22. In the process of work, if you find suspicious noise or abnormal phenomena, you must immediately stop and check, take timely measures to eliminate them, and you must not continue working before troubleshooting.

23. The use of hand-held power tools must use the leakage protector.

24. When the material rises, feet are not allowed to step on the hopper, and people are not allowed to stand and walk under the hopper.

25. When cleaning the sand under the hopper, two bucket chains must be fastened.

26. Routine inspection shall be carried out on the operation surface during the shift change, and the problems found shall be reported and eliminated in time, and the inspection results shall be recorded.

27. Any electrical equipment shall be deemed to have electricity before it is verified that there is no electricity.

28. Dangerous operations must be supervised by someone at a safe distance.

29. During the operation of the mixer, tools shall not be put into the bucket, and no one may enter the mixing bucket for cleaning during the operation.

30. Electric locomotive drivers must be trained and qualified before taking up their posts.

3 1. Before running the electric locomotive, it is necessary to check whether the brakes (electric brake and hand brake) are normal, and it is forbidden to run in spite of illness.

32. The connection between the flatbed and the front and rear should be safe and reliable. In addition to the conventional connecting pin and the lower nut, there should also be a chain for safety connection.

33. When the electric locomotive is running, all kinds of objects (soil box sections) must be placed safely. For the safety of binding, it is forbidden to be super-long and super-wide.

34. Electric locomotives are prohibited from carrying people.

35. Drivers are not allowed to leave without permission. It is forbidden to put your feet out of the car during operation, and you are not allowed to read books, newspapers or eat while driving.

36. When the driver leaves his post, he must shift to zero, cut off the power supply and tighten the brakes.

37. The driver must obey the signal command, and shall not drive without authorization when the signal is unknown.

38. On a good road surface, the lifting capacity of the forklift shall not exceed 10 ton. When working in bad road conditions, the lifting weight should be appropriately reduced and the driving speed should be reduced.

39. It is forbidden to drive at high speed and turn sharply, lift goods, etc. No one is allowed to stand by and watch, and no one is allowed to be under the lifting frame.

40. There shall be no more than two persons involved in directing the loading and unloading of goods, and the driver has the obligation to advise the operators to keep a safe distance from the collapse of goods.

4 1. It is forbidden to idle the engine unattended after parking, and it is not allowed to hang the goods in the air when the driver leaves the driving position.

42. Acetylene bottle must have an anti-backfire device, and the trachea should be checked for leakage before operation.

43. Don't put the welding torch on flammable and explosive oil tanks, pipes and other objects.

44. Welding operations must go through the formalities for examination and approval of hot work.

45. The shell of the electric welding machine must be well grounded, with an electric shock protector, and the removal of the power supply should be completed by an electrician.

46. When feeding or resting, it is forbidden to put your hands and feet on the side of the bucket.

47. Wear labor protection articles before work. Welders should wear insulated shoes when working in wet places, and don't wear wet clothes.

48. When welding, first check whether the surrounding environment allows welding. Please fasten your seat belt when working at height. Be firm in your work. Electrode tools with covers should be put away to prevent people from falling. The following safety measures should be taken, and there should be special care.

49. When welding sealed containers, the containers should be opened for exhaust ventilation. When personnel enter the container to work, ventilation facilities should be strengthened. At least two people should cooperate, one for operation and one for supervision.

50. The input and output terminals of electric welding machine should be connected firmly, the grounding wire should be reliable, the insulation device of electrode holder should be complete and good, and the working temperature of electric welding machine should not exceed 60℃~70℃.

5 1. Welders must pay serious attention to fire prevention. Don't throw away the rest of covered electrode. Before coming off work, cut off the power supply of the welding machine and wind the welding wire. The welder placed in the open air should be covered, and the work site should be thoroughly inspected before coming off work to extinguish the fire source.

52. Before work, acetylene cylinders, oxygen cylinders, hoses, wind lanterns, pressure reducing valves, etc. A thorough and careful inspection should be carried out.

53. Acetylene bottles, oxygen cylinders and hoses are strictly prohibited from being twisted together with welding machine leads, and are strictly prohibited from contacting with oil, grease and open flames.

54. When the burner finds the flame countercurrent, all valves should be closed in time. When the hose is found to be burning, the gas path in the burning section should be cut off in time, and the valves of oxygen and acetylene cylinders should be closed. When metal particles or iron oxide block the welding nozzle, the acetylene valve must be closed immediately to prevent backfire.

55. Strictly implement the duty patrol system, brake operation working ticket system, safety equipment and fire equipment management system and access system.

56. Patrol distribution equipment, in and out of the high pressure chamber, must lock the door.

57. Contact the "dispatcher" of the power supply unit or user. When stopping or sending the brake, the person in charge on duty must check and record the contact content and contact name.

58. After the power failure of electrical equipment, before opening the circuit breaker and taking safety measures, it should be considered that there is electricity, and the equipment should not touch and enter obstacles to prevent sudden calls.

59. When the construction and maintenance need power failure, the personnel on duty should take safety measures according to the requirements of the working ticket, including power failure, electricity inspection, installation of obstacles and hanging signs, and on-site inspection together with the working director to confirm that there is no electricity, and hand over to treat the location and matters needing attention of nearby live equipment.

60. When checking electricity, use suitable and qualified test appliances, and check the electricity on both sides of the socket when maintaining equipment. Before checking the electricity, the electroscope should be tested on the live equipment to prove that it is good. Insulating gloves must be worn when checking the electricity of high-voltage equipment.

6 1. When working on the capacitor circuit, the capacitors must be discharged one by one and grounded after discharge.

62. The operating handles of switches and circuit breakers that can send power to the work place once closed shall be marked with "No closing, someone is working". Signs of "Stop, High Voltage Danger" are hung on the guardrails of live equipment on both sides of the workplace and on the aisles that are forbidden to pass.

63. When a power outage is needed for line or user maintenance, the personnel on duty should take safety measures, and then notify other responsible persons to start work and register. After the work is finished, the power transmission can only be resumed after receiving the notice from the original person in charge. It is forbidden to power off or send electricity at an appointment.

64. The low voltage circuit power outage maintenance should disconnect the power supply, remove the fuse. Hang the sign "No closing, someone is working" on the operating handle of the circuit breaker.

65. When the low-voltage equipment is charged, it should be monitored by designated personnel. Wear a working hat, long-sleeved clothes, insulating gloves and tools with insulating handles, and stand on dry insulation to work. Adjacent live parts shall be separated by insulating plates. Files, metal rulers, brushes with metal objects and hair dusters are strictly prohibited.

66. In case of personal electric shock and fire accident, the personnel on duty should immediately disconnect the power supply of relevant equipment and do not contact the rescue.

67. When electrical equipment is on fire, carbon tetrachloride, carbon dioxide fire extinguisher or 12 1 1 fire extinguisher should be used.

68. When the transformer is on fire, foam extinguisher can be used to put out the fire only after all the surrounding power is cut off.

69. After the line is repaired, do a high-voltage withstand test and meet the safety requirements before sending.

70. Check the resistance of grounding electrode once a week, which should not be greater than 4 ohms.

7 1. For insurance equipment with good insulation and qualified installation, it is forbidden to use steel wire or iron wire instead of fuse.

72. There are multiple distribution signs and guidelines in the distribution box, and the electric box is locked against rain, and there is no sundries in the box.

73. Pay attention to the pipeline protection in the shield machine, and don't collide.

74. Must carry out the specialist is responsible for, must be in accordance with the instructions of the commander, it is forbidden to illegal adventure homework, so as not to cause casualties.

75. The weight of goods loaded by each flatbed shall not exceed the specified load, and the flatbed shall not carry people.

76. Should be timely maintenance and repair of locomotive parts, make the locomotive in a safe state, for locomotive operation, anyone issued an emergency stop signal must be executed immediately.

77. Before starting the transport object, ensure that the transport size will not collide with the trolley and place it firmly.

78. If there are abnormal smells such as oil leakage and peculiar smell in the pipeline inside the machine, it should be reported to the engineer on duty in time, and it can be handled only after approval.

79. It is forbidden to stay in the downward direction of hanging objects.

80. Segment assembly must be handled by special personnel, and the shield driver must repeat the commander's password and operate correctly according to the instructions. It is forbidden to turn the assembly machine without authorization, or take risks in violation of regulations to avoid casualties.

8 1. Operators who follow the instructions must confirm the instructions correctly before they can operate.

82. The jack shall not be stressed eccentrically to prevent fracture, and the push rod shall not be damaged by hard objects. Should be kept clean and lubricated as required, and the machine should be kept clean.

83. Three-level hot work should be examined and approved, and measures should be taken to ensure that no fire is left before the workers leave. Welding workers such as gas welding shall not aim the welding nozzle at other workers or pipelines.

84. Don't sleep near the operation surface in the shield machine, and don't take a nap on the track or in a place with insufficient light.

85. When the lifting arm rotates, sound the alarm and prohibit the construction personnel from entering the radius of the lifting arm. The assembly tool segments can only be operated after they are all positioned.

86. The lifting arm can only be reset after the segments are fixed in place. Before the assembly of the cover is completed, it is forbidden to enter the bottom of the cover.

87. The assembly guide rod of the boom must be screwed in place, and the wear and tear shall be checked regularly. Reliable measures must be taken to prevent the segment from falling off during lifting.

88. When assembling segments, the assembler must stand in a safe and reliable position. It is forbidden to chat under the paragraph. It is forbidden to put hands and feet on the girth or the jack to prevent accidental injury.

89. Check the hammer and other striking objects to prevent falling off and hurting people. Don't use screws as tools.

90. Work according to the requirements of the construction plan and safety regulations, and take risks by experience without listening to advice.

9 1. If abnormal phenomena are found during excavation, you should leave in time and notify the employees in the nearby operation area.

92. Wear goggles when cleaning liquid B (glass water, strong seal) or maintaining pipelines to prevent chemical burns.

93. Before starting the air compressor, check the surrounding area and confirm that no one is allowed to start it.

94. Before mixing, check whether there is any foreign body in the tank, and then start operation after confirming that there is no one in the tank.

95. After opening the manual valve of the pressure pipeline, the pipeline can only be opened after the pressure drops to atmospheric pressure balance.

96. Before operation, you must check whether the safety device meets the requirements of the safety device.

97. When the crane rotates with load, the operation should be smooth to avoid sharp rotation or stop, and the commutation should be carried out after the stop.

98. When driving, it is forbidden to stand or squat on the chassis platform, and objects shall not be piled up.

99. The limb, dangling operation commander should wear a seat belt, and shall not hold the railing for command.

100. Lifting commanders must concentrate their thoughts, form the habit of observing up, down, left, right and left, and be aware of it, accurately use unified signals such as voice, semaphore and sign language, and command the work safely.

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