2. Non-electricians connect electricity or remove electrical equipment without permission;
3. The knife-type power switch is closed with load, resulting in damage to the knife;
4. Hang the power cord on the knife or directly plug it into the socket for use;
5. Use hand-held electric tools or construction electric machinery without leakage protector;
6. When the submersible pump is working, work around the submersible pump drainage pit and pool or dig sand and earth;
7. Replace fuses or fuses that do not meet the specification requirements with metal wires;
8. The length of the power cord between the mobile power box and the fixed switchboard is more than 40m;
9. When working in a metal container or pit, the metal container is not reliably grounded, or the portable lamp transformer is brought into the metal container or pit;
10, welding, cutting and other high-temperature operations within 2 meters around the power board and cable;
1 1. The copper core of the secondary terminal of the welding machine is exposed without insulation;
12, climbing mountains after drinking;
13, throwing tools and materials during aerial work;
14, when working high above the ground, the instrument is not tied with a safety rope, and there is no fall prevention measure;
15, when working at height, working materials, tools, etc. It should be placed on the ground of the airport or near the hole;
16, cutting and welding wastes generated by aerial work are not cleaned in time, which may cause falling objects;
17, scaffolding without acceptance card, no regular inspection signature;
18, resting or leaning against railings on high platforms, near caves and safety nets;
19, crossing the security alert zone without authorization;
20. Climb up and down ladders or special scaffolding, and climb blindly without carefully checking whether it is firm;
2 1, do not dismantle the scaffold according to the regulations, and work up and down at the same time or dismantle the scaffold as a whole when dismantling;
22. Dismantling ladders, manhole covers, railings and isolation layers without authorization, or failing to recover in time without obvious warning signs after dismantling the above facilities;
23, the use of non-standard ladders or severely damaged ladders, or ladder feet without anti-skid measures;
24. Two people work on the same ladder, or stand in the top two gears;
25, standing on the roof of asbestos tile, linoleum, reed mat and other light simple structures;
26, with railings, scaffolding, porcelain lifting heavy objects;
27. Non-operators operate cranes;
28. Non-hoisting personnel command hoisting, and non-special operators are engaged in special operations;
29. Improper binding and hoisting methods of hanging objects, stacking and hanging sporadic objects on the hanging objects;
30, lifting more than the rated load of objects without measures;
3 1, lifting with unknown command signal and unknown weight;
32, crane lifting heavy objects directly for processing operations;
33, when lifting slanting crane, oblique crane;
34. When people stand on the workpiece or there is suspended matter on the workpiece, lift it;
35. Lifting inflammable and explosive dangerous goods such as oxygen and acetylene bottles without safety measures;
36. Angular objects are held up with bags and mats;
37, lifting unknown objects buried in the ground;
38, lifting large or irregular components, don't tie a solid rope;
39, lifting steel plate, pipes, bamboo, steel and other long and easy to slide components, using the method of pocket crane;
40. After the crane works, the wire rope on the hook is not removed in time and the hook is raised, or the power supply is not cut off;
4 1, crossing or walking on the running hoist and equipment wire rope;
42. Disassemble the double-chain crane into single chain for use;
43. When operating chain block and electric hoist, stand directly below the hoist;
44 unlicensed operation and driving of various motor vehicles;
45, motor vehicles in the factory illegally bring people when driving;
46, construction machinery, motor vehicles use super nameplate;
47. On-site vehicle transportation and loading equipment is not closed;
48, rotating machinery operators wear gloves at work;
49. Do not wear protective glasses when using cutting machinery such as grinder, lathe, pliers and drill;
50. When operating, open the protective cover of the rotating equipment or put your hand into the shelter, put on gloves or clean or check and maintain the rotating parts with cloth and cotton yarn;
5 1. Protective covers for rotating, driving and sliding parts of machinery while sitting, standing, walking or touching, and mechanical rotating and driving parts on rotating workpieces;
52. When the plate is rolled by the plate rolling machine, someone is standing on the plate;
53. When the working elevator is running, the elevator door or landing door is not closed properly;
54. Knocking on telecommunication equipment in contact between elevator floors or forcibly unlocking;
55, elevator overload operation or freight elevator mixed load;
56. The exhaust pipe of a motor vehicle entering a flammable and explosive area is not equipped with a fire cover;
57. Carrying kindling, smoking, using naked flame and wearing shoes with nails in inflammable, explosive or no-fire areas;
58. Leave the workplace without closing the oxygen and acetylene valves in time;
59, acetylene, oxygen bottles mixed, oxygen and acetylene bottles mixed together;
60, high electricity, fire welding operations, equipment at the bottom of the fire isolation measures are not taken;
6 1, damage fire-fighting equipment or use it for other purposes at will;
62. Blocking fire exits or taking fire water at will;
63, pressure vessel, boiler water pressure test booster process, work on the pressure components;
64, the job site with open flame to keep warm;
65. Welding pressurized, charged and oil-filled containers or taking no measures to weld oil-filled containers;
66, before welding and cutting work, the surrounding flammable materials were not cleaned up, and after work, the residues were not checked and cleaned up, leaving fire;
67. Wear gloves when hammering or swinging in the right direction;
68. Throwing or blocking the passage when cleaning garbage at high places;
69, fall in the safety net or protective shed sundry, not clear in time before call it a day;
70, without the consent of the relevant departments, drilling wells at will in the factory.
There are no reliable rain-proof facilities in power distribution facilities such as hidden trouble of the device 1, switchboard, power box and non-rain-proof temporary switch box;
2, welding machine, hoist and other small working machinery without reliable rainproof measures;
3. In cable trench, tunnel, interlayer and boiler flue, safe voltage traveling lamp lighting is not used or the voltage of traveling lamp exceeds 36V.
4. The voltage of portable lamps used in metal containers, pipelines and damp places is greater than 12 volts;
5, the use of 220 volts and above power supply as lighting power supply, no reliable safety measures;
6, when welding in the metal container, the container periphery guardianship by designated personnel;
7. The secondary wiring of the welding handle or welder has poor insulation and is damaged;
8, welding machine shell without grounding protection;
9. The welding wire and power cord of the electric fire are not centrally arranged, which leads to confusion and no protective measures when passing through the channel;
10. The protective cover of the low-voltage distribution switch on site is incomplete or the conductive part is exposed, and the electrical safety instruments and insulation tools are not regularly tested as required;
1 1, one electrical switch controls two or more electrical devices;
12, mobile power box without leakage protector or leakage protector failure;
13, nonstandard mobile power boxes, switches and power boards are used on site;
14, power tools and electric machinery do not meet the relevant national safety standards;
15, scaffolding was put into use after it was not accepted and listed by the user department;
16, scaffold board is not laid according to the standard or probe board is not fastened;
17, the scaffold board is moth-eaten, broken or has insufficient strength, and the quality can not meet the requirements of aerial work;
18, platforms, walkways, ramps, etc. Protective railings or protective nets are not installed for high-altitude operations;
19, there is no solid safety net under the dangerous operation at height;
20, protective isolation layer, safety net erection is not solid and reliable;
2 1. There is no solid cover plate or fence on the holes in the work site and high-altitude operation area;
22. There is no safety warning line or fence around the deep ditch and deep pit, and there is no warning red light at night;
23, high homework at night or insufficient lighting in the furnace;
24, high crossover operation, demolition and other dangerous operations, there is no security cordon around;
25, scaffolding piled up more than its carrying capacity;
26. There are no protective railings and skirting boards in the limb of aerial work;
27, safety facilities damaged or defective not timely organization maintenance, or not timely recovery after the completion of the work;
28. Work indoors or in containers with dust or toxic and harmful gases, without dust prevention or ventilation devices;
29, flammable and explosive areas using ordinary electrical equipment;
30, flammable and explosive areas, key fire areas, fire equipment is poorly equipped, does not meet the requirements of fire laws and regulations, no warning signs;
3 1, the on-site fire escape is not smooth, and the fire equipment cannot be inspected regularly;
32, fire water pressure is insufficient, according to the provisions, set fire hose and faucet;
33. Non-fireproof windproof canvas is used for welding operation;
34. The braking, signal device, display device and protection device of lifting equipment are out of order or defective;
35, the use of unqualified lifting tools, or not according to the requirements of the "lifting equipment regulations" regular inspection;
36. The heavy objects are not placed on the ground for a long time, and the chain is not tied to the zipper, and the heavy objects are added with safety ropes;
37, mechanical rotation, live parts without shield;
38. The building materials are not unloaded and stored as required, and the construction site is not finished, the materials are exhausted and the site is cleared.
39, demolition of wood, scaffolding, steel formwork, poles, etc. Failing to transport them away in time and piling up sundries;
40. The materials, components and equipment at the site were piled up in disorder and were not classified.
Manage hidden dangers 1, give orders that violate the laws, regulations and rules of production safety, and command operations in violation of regulations;
2. Ignoring the rectification notice requirements of the safety supervision department and failing to eliminate potential safety hazards in time;
3. Ignore the installation violations found by workers and the anti-installation violations put forward by technicians, and do not organize the elimination;
4. Failure to learn lessons seriously and take effective measures in time, leading to the recurrence of similar accidents;
5. The rules and regulations are not on site or are not perfect;
6. Hire an outsourcing team that has not passed the qualification examination or examination, and subcontract the project to an outsourcing team that does not have the corresponding qualifications;
7, arrange without safety education and technical disclosure or safety assessment unqualified personnel on-site operation; (WeChat: Ji Cheng Training)
8. Arrange personnel who are not qualified for special operations to carry out special operations;
9, in violation of the relevant provisions of the occupational contraindications, arrangements do not meet the health requirements of the staff work;
10, regardless of the actual physical condition of employees, forcing workers to work overtime and overwork;
1 1, illegal command, illegal operation of workers in arrears, risky operation, and operation without reliable technical measures and safety measures;
12, the team leader (working director) did not make safety disclosure before shift, and there was no disclosure record;
13, major lifting, transportation operations, special heights, electrified and other dangerous operation projects, no organization, technical measures and work instructions, no guardian designated or hot work working ticket filled in around flammable and explosive areas, and the operation director will organize the operation;
14, the person in charge of the work organizes the work without safety measures or disclosure;
15. If there are errors or defects in the approved work instruction or safety measures, the approver shall bear the main responsibility and the compiler shall bear the direct responsibility;
16, the person in charge of the work and the approver do not fill in and issue the working ticket and operation ticket according to the requirements of safety work regulations;
17. The person in charge of the work arbitrarily changes the approved technical measures, safety measures or work tickets, operation tickets, hazard analysis cards and work instructions;
18, improper working methods and procedures, endangering the life safety and health of workers in the work, such as the leader arranging electric welding, fire welding or gas cutting in a metal container at the same time;
19. Arranging or acquiescing in high-altitude open-air operations in severe weather of magnitude 6 or above, or carrying out high-altitude operations in frost and thunderstorm weather conditions without anti-skid and fall prevention measures;
20. When the wind power at the job site reaches level 5, or the wind power reaches level 6 or above, or in case of severe weather such as heavy snow, fog and thunderstorm, or when the commander can't see the job site clearly and the operator can't see the command signal clearly, arrange or acquiesce in the hoisting operation of large-area wind;
2 1. Arrange or acquiesce the personnel who do not have relevant safety knowledge and can't use fire-fighting equipment to work in flammable and explosive areas;
22. Welding is carried out above flammable items and main equipment, without guardian below, and safety measures such as fire prevention are not taken;
23. The leaders of all units failed to organize the clean-up of the divided civilized work areas in time. Deciding to change, dismantle, misappropriate or stop using safety devices (facilities) without authorization;
24, acquiesce in mechanical equipment maintenance as planned, in spite of the operation;
25, decided to let the equipment run in spite of illness or overload;
26. After the accident (including near miss accident), the investigation and analysis of the accident were not organized and conducted in time according to the principle of "four don't let go", and all employees were not educated;
27, for illegal punishment, because show or instruct the relevant personnel to lower the punishment standard or exempt from punishment;
28, do not fully support the safety supervision department to perform their duties;
29. Failing to discover, stop, correct or educate about operational violations, facility violations, command violations and system violations.
Hidden trouble of "two votes and three systems" 1. Before equipment maintenance, the person in charge of the work and the work permit go to the maintenance site at different times to check whether the safety measures are correctly and perfectly implemented;
2, working ticket, operation ticket without dangerous point analysis and precontrol measures, or working members did not sign the dangerous point precontrol measures to start or operate;
3. Deal with signature of working ticket or operation without ticket;
4. When filling in the operation ticket, it was altered, and the electrical equipment did not use the dual name as required;
5, on-site work, don't carry a working ticket;
6, in the production equipment for filling, changing tables and other simple work, do not apply for a working ticket;
7. The person in charge of the change does not go through the change procedures;
8, rotating equipment maintenance, working ticket is not recovered, will be sent to trial operation;
9, maintenance work time, not timely extension formalities; After the work, the working ticket is not terminated in time;
10, several electrical operation items are filled in one operation ticket, not separately;
1 1, expanding the work content on the work ticket without authorization;
12. Before entering the site for work, the person in charge of the work started to work without explaining the safety measures and precautions to the members of the working class;
13, the staff did not understand and did not check the safety measures before work;
14. Do not carefully check whether the operation ticket has been issued and whether the subordinates have signed it before operation;
15. If the operation ticket is not operated item by item, tick "√";
16, hold two operation tickets at the same time, and cross-operate;
17, the members of the working class are inconsistent with the members of the working ticket, and the working members do not understand the work content;
18, the person in charge of maintenance work left the work site without appointing a temporary agent;
19. Power transmission without finding out whether the working ticket is recovered and whether it meets the power transmission conditions. Stop sending electricity, and do not use the contact list for stopping sending electricity;
20. Working on the shell of live equipment without filling in the second working ticket;
2 1. During the operation, the ticket was not sung, repeated, repeated carelessly, and the voice was weak, so both sides could not hear clearly;
22, after the maintenance work, the work director and the work permit are not at the same time to the maintenance site inspection;
23. The operating guardian is not in place, and the operator operates without authorization. The guardian does not supervise, operates with the operator, or engages in other activities without his post;
24. Do not check the operation position and number before operation, and do not check the simulation diagram;
25, the preparation work before operation is not done well, no keys, tools, etc. , do not check whether the test pen and shaking table are in good condition;
26. Do not check the equipment name and number before operation;
27. The operation monitor failed to make a detailed record of the emergency repair work allowed at night;
28, succession is not serious, handover is not clear;
29. The post handover system is not strict, and the succession meeting is not held, and the post handover is not carried out;
30, not in accordance with the succession procedures, the first signatory of the succession is not punctual or the successor does not sign the succession;
3 1, and the shift will be completed if the equipment system and operation status are not checked as required;
32. The duty record book is scrawled, incomplete, illegible and scrawled;
33, patrol inspection is not on time, inspection does not reach the designated position, not according to the prescribed route inspection, do not carry inspection tools, etc. ;
34, the equipment is not in accordance with the provisions of the time for regular rotation of equipment;
35. The pulverizing system carries out powder extraction and reduction on the powder bin from time to time;
36. The on-duty supervision panel is not serious, and the meter changes are not found in time, and the meter reading is fraudulent;
37. The personnel on duty are absent without leave;
38, thermal system major operations do not use operation ticket, monitoring does not reach the designated position or reduce the monitoring level;
39. Move the safety facilities or change the safety measures in the working ticket to work without authorization.
1, potential electric shock and electromechanical injury, failure to check the electricity before turning the grounding wire or insufficient time for checking the electricity;
2. After the work, the self-installed grounding wire leaks electricity, and the safety measures have not been restored to the state before construction;
3. The grounding wire is assembled and disassembled in reverse order;
4. The motor commissioning shell is not grounded; Power tools have no grounding wire;
5. Missed hanging, wrong hanging, not hanging warning signs and signs;
6. During the high voltage test, there are no fence signs around the live equipment and channels;
7. When connecting the power cord, hang the power cord directly on the fuse of the knife; Replace fuse with copper wire;
8. Connect low-voltage lines at will and use unqualified wires and cables;
9. Use a power switch with a broken shell (or no cover), and directly plug the wire into the socket without using a power plug;
10, non-electrical personnel connect the power cord without authorization;
1 1. Use electric tools such as electric drills and polishers without insulating gloves;
12, the use of electric tools in case of temporary power failure, do not cut off the power supply in time;
13, after the maintenance work, turn off the power supply of the electric tool or portable lamp without cutting off the power supply;
14. Use power tools with over-cycle or unqualified insulation to work;
15, connect the electric furnace and other loads to the instrument protection power supply circuit;
16. Do not use insulating tools during electrical operation;
17, unlocking the locking device without permission;
18, single person stays in switch room, booster station and other places to work;
19, the inspector touches the switch actuator or moves the pulley to cross a safe distance;
20, low voltage live working without specialist care;
2 1, use clamp ammeter to measure current without insulating gloves;
22. When cleaning electrical terminals and switches with a brush, the metal part of the brush does not need to be wrapped with insulating tape;
23. Working in metal containers such as steam drums, failing to use portable lamps as required;
24, think that the equipment load is not big, directly close the breaker, without switch operation;
25, blind operation on the equipment that has been shut down for a long time;
26. Work on equipment that has not been powered off in the oil area;
27, work on the control loop, no drawings, don't check the terminal number, work by experience;
28. Touch electrical equipment such as light switches with wet hands, and wipe charged low-voltage equipment and light cannons with wet cloth;
29, with long bamboo, ladders and other long things into the high pressure chamber, booster station unattended;
30, around the live equipment with steel tape, tape measure;
3 1, blindly sawing without knowing whether the cable has voltage;
32. Before ditching excavation, it is not clear whether there are cables and pipelines underground, and excavation is carried out without authorization;
33, open the welding machine, one hand on the welding machine, the other hand push the switch;
34, welding work, welding machine shell is not grounded, using defective welding tools;
35, welding wire laying above or below the hoist wire rope;
36. Connect an electric welding machine or other power supply on the lighting circuit;
37. Take out the fuse in the special plate with wire cutters;
38, thunderstorm weather patrol outdoor high-voltage equipment do not wear insulating boots;
39, in the operation of the rotating equipment shield or block open, or put his hand into the block;
40. Clean exposed rotating parts, such as gears, chains, belts and shaft heads, or do other work on them;
4 1, wear gloves when engaged in mechanical processing;
42. Use a grinding wheel without a protective cover, do not wear goggles when grinding with a grinding wheel, or grind the workpiece on the side of the grinding wheel;
43. Wear gloves or wrap a rag in your hand to wipe the fixed part of the treadmill;
44. When using a drilling machine. Grasp the workpiece directly by hand to punch holes;
45. Someone is opposite when cutting the workpiece;
46. There is no protective barbed wire in front of the bench;
47. Female employees entered the production site and did not distribute the long hair into the working cap;
48, to save trouble, cut corners, across the rotating parts of mechanical equipment;
49, the place such as the rear wheel of the rotating equipment is not equipped with a protective cover or the protective cover is not fixed firmly and cannot be started;
50. No contact before starting the conveyor belt, start the alarm;
5 1, standing and walking on the coal conveying belt or crossing the belt;
52. Clean up the accumulated coal on the rotating coal conveying belt frame;
53. When installing pipeline flange butt joint, directly test the position of bolt hole by hand;
54. Someone moved the cauldron when replacing the big tile in the coal mill;
55. When entering the coal mill to clean up the blocked coal, don't press back the powder tube, keep the power on, and don't set a guardian;
56, forklift overload handling, forklift shovel workpiece when people stand on the fork;
57. Non-professional lifting personnel are good at lifting heavy objects;
58, on the equipment pipeline, hanging sling hanging heavy objects;
59. Punching holes in the floor or frame without the approval of the production technology department;
60. Wear a glove wheel sledgehammer, and don't pay attention to whether anyone is around.
1, do not wear a seat belt for the hidden danger of aerial work above 2m;
2. Do not check the seat belt before use, and do not wear it as required during use;
3, seat belts, safety ropes are not in accordance with the provisions, static tension test;
4. When using the seat belt, the hook is hung on unstable parts, or it is not hung high and used low as required;
5. Lifting heavy objects with unqualified wire ropes and hemp ropes;
6. When wearing a safety helmet, the rope is not fastened as required;
7, the use of unqualified ladders or improper use of ladders, the ladder and the ground tilt angle is too large or too small; Climbing a ladder on an unstable support, or people standing on the ladder move the ladder, and the foot of the ladder does not take anti-skid measures;
8. Using electric tools on ladders without taking safety measures to prevent electric shock from falling;
9, standing on the ladder to work unattended or not escalator;
10, do not wear a seat belt when working on a platform or scaffold that is more than 1.5 meters and has no railings installed;
1 1, scaffolding, scaffolding and pedals are not firmly bound, scaffolding is suspended, the thickness is not up to standard, and both ends are not bound and fixed;
12, scaffolding erection acceptance card is not hung, and it is not checked regularly;
13. No safety warning signs are set for the opened cable holes and trench covers;
14. When working at heights on dangerous edges such as roofs, poles and suspension bridges, there is no safety net or protective railing on the working face facing the airport;
15. Stairs, platforms, railings and cover plates were not restored in time after being removed during maintenance;
16, working on FRP tiles, wooden floor, linoleum, asbestos tiles, etc. Failing to take safety measures to prevent falling;
17, climbing mountains after drinking;
18, people who suffer from diseases such as hypertension, heart disease and anemia that are not suitable for working at heights are engaged in working at heights;
19, the guardian did not go to the site to carry out aerial work without authorization;
20. People should stand on the lifting objects, and the lifting heavy objects should be supervised and unattended;
2 1. People walk or stay under suspended heavy objects;
22, personnel high homework transfer don't wear a seat belt.
Transportation hidden trouble 1, driving without checking the car condition or properly handling the car condition before driving;
2. If the goods are not tightly bound, the driver will drive without inspection;
3. The vehicle starts fast, turns downhill fast or slips in neutral;
4. The driver chats with others while driving;
5. Do not slow down when passing, or the distance between cars driving in the same direction is not enough;
6, the factory motor vehicles speeding or manned, out of the factory;
7. When the road is frozen or snowing heavily, don't wear snow chains;
8. The system of "three inspections" (inspection before leaving, on the way and after receiving the car) was not strictly implemented.
Fire and environmental hazards 1, oxygen cylinders and acetylene cylinders are transported in the same car, and the distance is less than 8m; Store in the open air, uncovered and exposed to the sun;
2, the use of pressure relief valve failure of oxygen, acetylene pressure gauge, or do not check whether the air leakage;
3, do not go through the formalities of hot work, work in flammable and explosive areas and scope;
4. During the welding operation, Mars landed on flammable materials and was not inspected;
5. The oil in the oil tank has not been drained, and the oil system has not been isolated. If the fire and explosion prevention measures are not perfect, electric welding shall be carried out;
6, into the oil depot and other key fire parts, do not hand over the fire shall not enter;
7. Flammable and explosive articles are not stored in the designated place;
8. Cleaning and wiping equipment on site without permission;
9. Pour kerosene, gasoline, turbine oil and lubricating oil into the trench;
10, the insulation layer of high-temperature pipeline was stained with oil, and it was not replaced in time;
1 1, when the pulverized coal is on fire, use pressure water to douse the ignited pulverized coal;
12, when the electrical equipment is on fire, don't turn on the power to put out the fire;
13, chemical oven baking food;
14, unauthorized use of electric furnace;
15, using fire-fighting equipment without permission, and not putting it back after use;
16. Fire hydrants and hoses were used for site cleaning without authorization;
17, fire fighting equipment is not reported or recorded;
18, used rags and cotton yarn are thrown everywhere;
19. Major operations affecting environmental protection were not reported to the environmental protection management department.
Hidden dangers of equipment and personal protective equipment 1, hoisting workers, not checking the equipment and surrounding environment in advance;
2, when starting the motor, do not pay attention to observe the current change and rotation direction;
3. The interval and frequency of starting the motor do not conform to relevant regulations;
4. Do not contact the electrical personnel on duty when starting the motor above 6kv;
5. Wear nail shoes, work in the generator hole, and do not wear special work clothes;
6. When using a vise, tighten it with a hammer;
7. When assembling the workpiece, don't use a copper bar, just hit the workpiece with a hammer;
8. When the coal mill is shut down, the grinding stops before the powder in the system is used up;
9, coal mill imports have accumulated coal, using the method of increasing negative pressure to extract accumulated coal;
10, tools bags are not used for aerial work, tools are thrown up and down, and sundries are thrown down, and objects fall due to improper storage;
1 1. There is no warning sign at the winch work site, so people can pass at will. When the winch is running, adjust the wire rope on the drum;
12, when lifting heavy objects, no fences or warning signs are set around;
13. Reach out, reach out, check, clean and wipe the lifting parts under the object;
14, the chain is overloaded, and the lower hook is reversed on the lifting chain;
15, put your hand on the wire rope when lifting the workpiece;
16, and there is no warning sign in the place where it is easy to trip;
17. No fences, no warning signs and no red lights are set during civil construction and ground drilling;
18, working in a container, without a guardian outside the container;
19, the steam-water system is not isolated, with pressure-bearing flange bolts and nuts;
20, stop the furnace blowing, open the manhole, observe the boiler combustion;
2 1, enter the powder bin, do not do small animal experiments, and have no other preventive measures;
22. Under the condition that the power supply of the electromechanical motor for powder feeding is not cut off;
23, flushing water level gauge, people standing opposite the water level gauge;
24, maintenance personnel to eliminate defects such as burner powder leakage, don't contact the stoker;
25, uninterrupted powerful fan power supply mobile fan;
26. When the chemical test tube is heated, aim the nozzle at yourself or others;
27, found in the operation of the explosion door, see the fire hole, steam drum, water level gauge stay beside for a long time;
28. When discharging acid and alkali, do not wear protective glasses, masks, gloves and rubber boots.
Other comprehensive hidden dangers 1. Take a long vacation and go to work without examination and training;
2. Borrowing workers and temporary workers have not gone through the licensing procedures to enter the site for work;
3, key parts, unauthorized access without formalities;
4. Don't dress according to regulations at work;
5, thermal personnel in the field work, don't contact the operator is good at automatic instruments and measuring points;
6. After maintenance, the working ticket will be terminated without serious acceptance, and the site will not be cleaned up;