1, where the datum plane of falling height is 2m (including 2m), it is called aerial work.

2, before the aerial work, to carry on the dangerous point analysis, formulate preventive measures. 3, before aerial work, carefully check the safety protection facilities.

For example, check whether lifting appliances are safe and reliable, and whether the brakes, safety devices and protection devices of lifting machinery are safe and reliable. When problems are found, they should be dealt with in time. 4. Safety fences and warning signs should be set up in aerial workplaces to prevent pedestrians and vehicles from passing and avoid falling objects from hurting people.

5. When working high above the ground, always wear the safety helmet on your head, and don't take it off casually. 6. When working high above the ground, you must use your seat belt. The hook or rope of your seat belt should be hung on a solid part or on a wire rope specially designed for your seat belt.

Stop hanging on a moving or unstable object.

2. What safety precautions should be paid attention to in aerial work?

1, the hook or rope of the seat belt should be hung on a solid member or a wire rope specially designed for hanging the seat belt.

Don't hang on moving or unstable objects. 2. Tool bags should be used for aerial work.

Larger tools should be tied to solid components with ropes, and cannot be placed casually to prevent accidents from falling from high altitude. 3. When working high above the ground, no one is allowed to walk or stay under the workplace except the relevant personnel. Fences or other protective devices should be installed under the workplace to prevent falling objects from injuring people.

If working on the grid platform, wooden boards should be laid to prevent tools and equipment from falling. 4. Tools and materials are not allowed to be thrown up and down. After being tied with rope, it should be hung down or hung up, so as not to hurt the staff below or damage the scaffold.

5. When the upper and lower floors are working at the same time, a tight and firm protective partition, shed or other isolation facilities must be set up in the middle, and the staff must wear safety helmets.

3. What are the basic provisions of safety measures for aerial work?

The basic provisions of safety measures for working at heights are as follows: (1) The safety technical measures for working at heights and the required materials and tools must be incorporated into the construction organization design of the project.

(2) The person in charge of unit project construction shall be responsible for the safety technology of working at heights of this project, and establish the corresponding responsibility system. Before construction, safety technical education and disclosure should be carried out step by step, and various safety technical measures and personal protective equipment should be implemented. Construction is not allowed without implementation.

(3) Safety signs, tools, instruments, electrical facilities and various equipment for aerial work must be inspected before construction, and can only be put into use after being confirmed in good condition. (4) The personnel who climb and hang aerial work and set up safety facilities for aerial work must go through professional technical training and professional examination, hold relevant certificates, and must.

Regular physical examination. (five) found in the construction of high safety technical facilities defects and hidden dangers, must be resolved in a timely manner; When personal safety is endangered, the operation must be stopped.

(6) Objects that may fall in the construction workplace should be removed or fixed first. Materials used in aerial work should be piled up smoothly, which may hinder traffic and loading and unloading.

Tools should be conveniently put into the tool bag; The walkways, access plates and climbing appliances in operation should be cleaned at any time; Dismantled objects, surplus materials and wastes shall be cleaned up and transported away in time, and shall not be placed or discarded down at will. It is forbidden to throw the transferred object.

(7) When working at heights in rainy and snowy days, reliable anti-skid, cold-proof and anti-freezing measures must be taken. All water, ice, frost and snow should be removed in time.

Lightning protection facilities should be set up in advance for high-rise building operations. In case of severe weather such as strong winds and dense fog below level 6, it is not allowed to climb high in the open air or hang aloft.

After snowstorm and typhoon rainstorm, the safety facilities for working at heights should be checked one by one. If it is found to be loose, deformed, damaged or falling off, it should be repaired immediately. (8) When the safety protection facilities need to be temporarily removed or changed due to operation, it must be approved by the construction director, and corresponding reliable measures should be taken to immediately resume operation.

(9) When the protective shed is erected and dismantled, a warning zone shall be set up, and special personnel shall be assigned for monitoring. It is forbidden to dismantle from top to bottom at the same time.

(10) The mechanical calculation of the main stressed members of the safety facilities for working at heights is based on the general structural mechanics formula, and the calculation of strength and deflection is based on the current relevant codes. However, the plastic effect is not considered in the strength calculation of steel flexural members, and the structure should meet the requirements of the current corresponding codes. .

4. What are the main safety precautions for aerial work in communication engineering?

First, prevent personal injury, fall and slip. First, strengthen labor protection during winter construction. Construction personnel should wear gloves and rubber-soled shoes, and increase anti-skid measures. Hard-soled shoes are strictly prohibited.

Second, you must wear a safety helmet when entering the construction site, and the cold hat cannot replace the safety helmet; Three, outdoor work to prepare cold supplies, be careful to prevent "probe board" from stepping on the frame. When working high above the ground, you should fasten your seat belt. 1.5 meters above the height of the horse stool, one person operating, one person monitoring. Four, climbing workers must wear anti-skid shoes, protective gloves and other anti-skid and anti-freezing measures, must fasten your seat belt; Tower crane installation and jack-up operations are prohibited in strong winds of magnitude 5.4 or above, and hoisting operations and aerial work are prohibited in strong winds above the ground; When the steel wire rope used for binding and hoisting steel members is in direct contact with the members on land and at negative temperature, anti-skid pads shall be set. Check whether the wire rope of the hoisted object is damaged, whether the U-clamp is locked and whether the hook insurance is effective; Paint, because the material is fragile and easy to slide in winter, so the tools for hoisting large tonnage goods should have a large safety factor to fully ensure safety; Yes, in case of bad weather such as rain and snow, the accumulated water and snow on the construction site should be removed in time, and it is strictly forbidden to organize construction forcibly in rainy, snowy and windy weather.

2. Prevent fire and poisoning accidents. In order to prevent fire, fire control facilities and equipment should be complete and in good condition, and inflammable and explosive articles should not be piled up in the computer room (base station); Second, safety personnel should regularly check the power supply and fire prevention of the construction site to prevent communication, fire accidents and theft; Three, it is strictly prohibited in the construction site, especially the construction site open fire to keep warm, once found, hell to pay; Four, should be "one clearance and one inspection" before the inspection operation: (a) before the inspection operation, should first open the inspection covers before and after the operation area, ventilation. (2) Check whether there are toxic and harmful gases in the inspection well to ensure the safety in the inspection well.

5. When working in the manhole, it is necessary to "wear one watch, two prohibitions and three prohibitions": (1) Operators should wear safety helmet, waterproof pants and rubber shoes. (2) Outside the well (above), there should be a special guard.

(three) are not allowed to light a blowtorch in the well; Smoking is not allowed in the well. (4) Non-operators are forbidden to watch; It is forbidden to carry flammable items in the inspection well; It is forbidden to clean cables with flammable materials (gasoline, alcohol, toluene, etc.). ).

Three, to prevent network security accidents in China 1. It is forbidden to use high-heat lamps (such as sun lamps) for temporary lighting during the construction of the computer room, and it is forbidden to use non-construction electric heating appliances such as electric water heaters and electric furnaces. Second, the construction temperature in winter is low, the joints of construction workers are not flexible, there are many clothes, and it is inconvenient to move. When installing equipment and laying cables, attention should be paid to the safety of equipment and China to prevent business interruption accidents in China caused by construction; 5. Before cutting, moving and dismantling optical (electric) cables, detailed plans and steps for cutting, moving and dismantling the old ones should be made, and careful analysis should be made. The site resources should be carefully investigated, the data of cutting, moving and dismantling the old ones should be verified, and the plans, steps and methods for cutting, moving and dismantling the old ones should be determined (including personnel, production instruments, auxiliary tools such as cold protection, antifreeze and windproof). In the construction of pipeline optical (electric) cables in cities and towns, it is required to put safety signs at each wellhead and send people to watch the traffic. When the length of a single optical (electric) cable is long, more migrant workers are needed to lay it manually. During the construction of various complex pavements, it is necessary to organize closely, cooperate closely, and equip with good communication tools (such as radios, speakers, etc.) to make the actions of construction personnel coordinated and ensure personal safety and light. Paint, in the road construction, set up safety signs and slogans as far as possible, the signs are connected in series with reflective tape, and fog lights are needed for night construction, and personnel are arranged to cooperate with the traffic department to divert traffic; Yes, before welding steel pipes, a trial welding should be carried out, and formal welding can only be carried out after the trial welding is qualified. During butt welding of steel pipes, in order to prevent the excessive temperature difference from affecting the welding quality, protective measures should be taken for the welded joints, which should be covered with appropriate articles when it snows, and the joints that are not cooled after welding are strictly prohibited from contacting with snow and ice; 9, strengthen the construction quality monitoring, joint can not have transverse cracks, when there is a joint does not meet the requirements, to deal with this batch of joint inspection, unqualified products shall be eliminated, after welding, the second acceptance, welding in the wind-resistant structure construction, when the temperature is lower than -20 degrees Celsius, no longer continue to construction. Prevention of traffic accidents 1. Strengthen the maintenance of engineering vehicles to prevent accidents caused by vehicle failures; Second, drunk driving, driving without a license and fatigue driving are strictly prohibited; Three, in case of severe snow and ice weather, vehicles should keep driving distance, to prevent rear-end collision.

Verb (abbreviation for verb) heating and fire prevention in winter. The use of coal-fired heating in winter construction dormitories should prevent carbon monoxide poisoning of accommodation construction personnel, and the dormitory should ensure adequate ventilation conditions; Each dormitory should be equipped with ventilation funnel according to the room size. The size of the ventilation funnel shall not be less than 50 cm long, the lower mouth shall be 30 cm wide and the upper mouth shall be 5 cm wide. Each dormitory shall be equipped with at least three ventilation funnels. 2. bank up shall be designated by a special person before lights out every day. It is forbidden to be exposed to coal-fired heating facilities, and the furnace plate and cover should be tightly fastened; If the furnace plate and the furnace cover are not completely fastened tightly, they should be leveled with loess mud to prevent air leakage.

3. Installation of smoke exhaust pipes of heating facilities. The socket of each pipe should be installed in the direction of medium circulation, and the interface should be sealed with adhesive tape; The outlet of the smoke exhaust pipe shall not be less than 50cm out of the cornice, and the vertical pipe shall not be less than 2. The horizontal pipeline is not less than 50 cm away from the ceiling of the building, and its direction shall not face the northeast of the winter wind. 4. Flammable articles such as clothes shall not be dried on the smoke exhaust pipeline, and flammable, explosive and volatile toxic articles shall not be piled up near the heating facilities.

5. The accumulated unburned coal should be cleared out of the room and extinguished with clear water. Lu. Carry out safety education to prevent burns, gas poisoning and other incidents, and carry out domestic medical rescue and emergency treatment education.

Painting. Heating facilities such as electric blankets and electric stoves are prohibited in dormitories, offices and warehouses; Iodine tungsten lamp is not allowed to be used for indoor and on-site heating.

5. What should I do when I need to use a mobile ladder for aerial work?

It should be: ① check before use, and there should be a special person in charge of guarantee, maintenance and repair.

(2) the ladder before use, must be placed firmly, and the ground at an angle of 60? 70 degrees is appropriate, and the top of the ladder should be firmly connected with buildings and structures. (3) When using a ladder on the wooden floor, the corner of the ladder should have a metal anti-skid device; When it is used on the hard and smooth concrete floor, the ladder angle should be covered with rubber to form a fiber three-dimensional anti-skid pad, which should be supported by special personnel when necessary.

(4) It is forbidden for two people to work on the same single ladder at the same time. Workers are not allowed to stand at the top of the ladder. When using inclined ladders, they should not be less than four steps from the top, and when using herringbone ladders, they should not be less than two steps. Inclined ladders and herringbone ladders shall be fixed with ropes. Before construction, check whether the fixed connecting ropes meet the requirements, and do not use wires and other items instead.

⑤ When someone is on it, it is forbidden to move the ladder. ⑥ When the rotating machine is attached to the ladder, a temporary protective barrier should be set between the ladder and the rotating part of the machine.

6. What are the contents of safety education for aerial workers?

(1) Workers working high above the ground must pass the physical examination before construction;

(2) When working high above the ground, you must fasten your seat belt, wear non-slip shoes, hang up the hook, and have protective facilities such as safety fences and safety nets;

(3) Avoid working alone when the aerial work conditions are poor;

(4) When working high above the ground, protective measures should be taken for construction tools and materials to prevent them from falling, and it is forbidden to discard wastes downward.

(5) When the electric hanging basket is erected, it is necessary to command and coordinate the operation in a unified way, and it is forbidden to use accessories with unqualified materials and specifications and defects;

(6) When dismantling scaffolding, it shall be dismantled in the reverse order of erection;

(7) It is forbidden for operators to use ropes and cranes as ladders to go up and down, and it is forbidden to work on unfixed scaffolding;

(8) When working at heights at night, sufficient lighting equipment should be provided, and there should be obvious signs in places with subsidence and holes;

(9) When there is a high-voltage line near the aerial work, it should be removed or protective measures should be taken first.