How to deal with high-temperature construction operations in summer?

How to deal with high-temperature construction operations in summer? The following Zhongda Consulting and Bidding Teachers will give you answers for your reference.

At present, we have entered the high-temperature season of midsummer. The environmental temperature at the construction site is high, the working conditions are relatively harsh, the labor intensity of construction workers is high, and they are prone to excessive fatigue and heat stroke. It is a period prone to accidents.

In order to ensure safe construction operations in high-temperature seasons, combined with the unsafe conditions that occur during construction in high-temperature seasons, the following key safety matters are summarized:

1. Each maintenance unit should arrange work and rest reasonably time, do not work overtime at will to meet the deadline, and adopt the method of "working at both ends and resting in the middle" or rotating work to avoid high-temperature sunlight exposure, fatigue work and prevent employees from heat stroke. At the same time, we should proactively and enthusiastically care for the health of construction workers to prevent workers from heat stroke and various production safety accidents caused by high temperature during the construction process. Each maintenance unit must be equipped with Rendan, Shidishui, Huoxiang Zhengqi water, Fengyoujing and other heatstroke prevention and cooling drug. In addition to emergency repairs, each unit can reasonably arrange maintenance work according to weather changes, avoid hot periods, and take advantage of cooler times in the morning and evening to carry out construction.

2. Promote and educate employees on heatstroke prevention and cooling knowledge so that employees know the symptoms of heatstroke.

3. To prevent falling from heights, those who are in a bad mood, suffer from high blood pressure, heart disease, or are afraid of heights are not allowed to work at heights; external scaffolding, scaffolding boards, and safety nets are not synchronized. It is forbidden to work at heights when safety conditions are not met.

4. It is strictly forbidden to work shirtless or wearing slippers at the construction site. Inspections on the wearing and use of safety protective equipment should be strengthened to ensure the true implementation of labor protection measures.

5. When encountering high temperatures, heavy rain, thunder and lightning, and strong winds above level 6, it is prohibited to work at high places or in the open.

6. Regularly inspect temporary electricity. Each electrical equipment must meet the requirements of "machine-box-gate-leakage". The distribution box must be equipped with a rainproof shed; there will be an electrician after work every day. Unplug the power supply and inspect the construction site.

7. During electric welding at the construction site, a hoarding should be installed at the lower spark landing point to prevent the spread. Smoking and the use of open flames are strictly prohibited. Safety operating procedures should be strictly followed during the use of oxygen acetylene bottles, and precautions should be taken. Exposure work.

8. In particular, it is necessary to strengthen safety supervision in areas such as major hazard sources and special equipment, and strictly implement daily monitoring and supervision measures for high-temperature climates.

▲Precautions for preventing heatstroke during high temperature seasons

1. People suffering from persistent hypertension, anemia, emphysema, kidney disease, cardiovascular system and central nervous system diseases generally It is not suitable to engage in high-temperature and high-altitude work.

2. Avoid working alone under harsh conditions.

3. Those who work in the open air and at high temperatures should drink more tea, mung bean soup (available in the centralized control room of Units 1, 2 and 3) and refreshing drinks with a salt concentration of 0.1 to 0.3, but avoid drinking too much. It is best not to exceed 300 ml.

4. Strengthen personal protection. Wear light-colored clothes and wear various protective equipment according to work needs to prevent sun exposure. Take sun protection measures. During open-air construction, avoid direct sunlight on the head and direct absorption of radiant heat by the skin. Wear a comfortable and breathable safety helmet and loose clothing.

▲Symptoms and emergency measures of heatstroke

1. Symptoms of heatstroke

(1) Premonition of heatstroke. The symptoms are: after working in a high-temperature environment for a period of time, there will be a lot of sweating, thirst, physical weakness, inability to concentrate, and uncoordinated movements. Under normal circumstances, the body temperature is normal or slightly elevated at this time, but It won't exceed 37.5 degrees.

(2) Mild heatstroke. The symptoms are: in addition to the symptoms of aura of heat stroke, there may also be dizziness and fatigue, flushed complexion, chest tightness and shortness of breath, burning and dry skin, and body temperature rising to above 38.5 degrees. If timely rescue is not provided at this time, heat syncope or heat collapse will occur.

(3) Severe heatstroke. It is generally caused by mild heatstroke (patients) who are not treated in time and properly, resulting in serious deterioration of the condition, followed by coma, convulsions or twitching of hands and feet.

At this time, the skin of heat stroke patients is often dry and sweatless, and the body temperature rises to above 40 degrees. If emergency treatment is not given immediately, life safety may be endangered.

2. Emergency measures for heat stroke

(1) For those who have signs of heat stroke or mild symptoms: leave the hot working environment immediately and go to a cool, quiet and well-ventilated place to rest and relax. Wear clothes and drink cool drinks (light salt water or strong tea).

(2) Patients with severe or high fever need first aid: a. Cool down quickly, place the patient in a cool and ventilated place, and untie the clothes. b. Ice packs can be placed on the patient's head, armpits, groin area, etc. c. Use ice water, cold water or alcohol to wipe or spray the body. Finally, the body temperature is reduced to about 380C and prevents the temperature from rising again. d. Treat the limbs to prevent blood stasis.

(3) People with heatstroke should avoid drinking large amounts of water. They should drink small amounts of water multiple times, preferably no more than 300 ml each time. Don’t binge drink. Because drinking a lot of water will not only dilute gastric juice, thereby affecting digestive function, but also cause hyperreflexia and perspiration. As a result, a large amount of water and salt in the body will be lost, and in severe cases, it can promote the occurrence of heat cramps.

(4) In addition to the above treatments, patients with heat cramps should be given salty drinks and, if possible, intravenous infusion of 500 to 1000 ml of normal saline.

(5) For patients who are seriously ill, all means must be used immediately to send the patient to the hospital as soon as possible.

▲How to prevent heatstroke

1. Do not work for too long under high temperatures, and try to use rotation or intermittent work;

2. Reduce labor intensity and prepare For heatstroke prevention and cooling drinks, try to add as much light salt boiled water or salty drinks as possible;

3. Ensure adequate sleep and eat more nutritious fruits and vegetables;

4. Try to penetrate as much as possible Wear cotton clothes that dissipate air and heat;

5. Do not drink strong alcohol.

6. Drink water at any time, don’t wait until you are thirsty. Do not eat too much cold drinks to avoid vasoconstriction in the gastrointestinal tract and affect digestion function

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