Refute the rumor! Recently, the network spread a video of workers climbing from the outside of the scaffold steel pipe to escape when the scaffold caught fire
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The scene was breathtaking! But the video is a backstage contribution from netizens like Jiaozhou Emergency Management Bureau, not in Jiaozhou, Qingdao! Recently, Jiaozhou Emergency Management Bureau has issued a statement to clarify! No matter where and when the accident happened, the warning education of the video itself still needs to be learned! Now the fire accident, is not only the property loss, along with the media channel increasingly developed, small fire accident will also cause great influence, to the enterprise image caused by intangible loss immeasurable! 1、 What are the characteristics of the fire caused by the construction site? 1
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The fire spreads rapidly
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(1) because there are many inflammable buildings in the construction site, and they are often connected with each other, lacking the proper fire prevention distance, once the fire breaks out, especially in windy weather, it spreads very quickly
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(2) the interior decoration works of public buildings and light industrial buildings are mostly flammable materials such as wood, plywood, resin board, insulating foam and so on
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Once the fire is on, the spread is quite fast
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Some even produce toxic gases, making it difficult to put out the fire
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(3) Most of the scaffolds and enclosures used in construction projects are combustible materials, and wooden formwork is also used for concrete pouring
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2
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Due to the lack of fire water source and fire passage, it is difficult to put out the fire
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Generally, there is only temporary fire water source in the construction site, and sometimes due to the delay of construction period and the influence of seasonal changes, the water supply can not be guaranteed due to the freezing in winter
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Some construction sites are equipped with fences and gill nets
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Even some construction sites are in the stage of heating outside line construction, many foundation pits and ditches are excavated in the site
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It makes it difficult for fire engines to approach the fire site and hinders the fire fighting
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3
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The damaged buildings are destroyed quickly and collapse rapidly
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The strength of the building structure under construction often does not meet the design requirements and the integrity is poor
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Therefore, once there is a fire, the destruction and collapse is very rapid
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2、 Why there are so many fire hazards in the construction site? 1
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The fire load of the construction site is large
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Due to the needs of the project, some construction sites still use combustible scaffolding and combustible materials such as wood as safety protection materials, especially in the decoration site, there are a lot of combustible repair materials, some building exterior walls use combustible insulation materials, and there are flammable and explosive materials such as paint Dangerous goods, in case of fire, is bound to cause violent combustion, rapid spread
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Most of the office, staff rest room, staff dormitory, warehouse and other buildings on the construction site are adjacent to each other, and most of these buildings are temporary, simple structure, and fire resistance rating is grade III or IV
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some of them even have only one emergency exit
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Once a fire breaks out, it is difficult for people to evacuate, and it is very easy to cause serious consequences of burning the company
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2
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The fire separation of construction sites is not in place
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Some construction sites randomly stack construction materials and construction waste, which increases the fire load and blocks the fire lane; The scaffolds and safety protection materials used outside the built buildings were not removed in time, which occupied the fire prevention space between buildings
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What’s more, the open fire operation area was not divided, the corresponding protection measures were not taken, and the open fire operation was carried out in the inflammable and combustible materials stacking site and dangerous goods warehouse without authorization, which increased the probability of fire
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3
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Fire source management and safety measures are not in place
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There are countless cases of using open fire and electric welding in the construction site, such as illegal use of electric furnace, baking and heating, which are easy to produce flying fire and cause fire
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Poor management of power supply, wire pulling, disorderly connection of electrical appliances and overload of electrical circuits are common in the temporary dormitory of construction personnel, which can easily lead to electrical fire
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In the fire supervision and inspection, it is found that many construction sites are not equipped with fire-fighting equipment and facilities
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In addition, the fire resistance of the materials used in the temporary construction is low, once the fire, it is very likely to cause mass casualties
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4
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Discussion on weak fire safety awareness some construction unit leaders have weak fire safety awareness, poor fire safety quality, and do not perform their own fire safety responsibilities
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During the fire supervision and inspection of the construction site, it is found that most of the persons in charge of the construction think that the fire management is the business of the construction unit and has nothing to do with themselves, so they are reluctant to invest in the purchase of necessary fire-fighting equipment
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At the same time, the construction personnel have high mobility, low education level, without strict management and fire safety knowledge training, do not master the basic fire knowledge, will not use the fire extinguisher to put out the initial fire, will not alarm, will not organize personnel evacuation, poor self-protection and self-help ability
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5
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Fire safety management is not in place, construction sites are generally temporary electricity, but the electricity consumption is large, the laying of electrical lines is not standardized, illegal installation of electrical equipment, private pull private electrical lines phenomenon is more serious, and even directly install the power distribution device on combustible wooden components
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During the construction period, the use of open fire in violation of regulations is common
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Oxygen and acetylene are frequently used in the construction unit, and some welding and gas welding workers are employed without certificates, lack of protective measures, and there are phenomena of not cleaning up the combustible materials on the site or using and constructing at the same time
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3、 Strengthen the dynamic fire safety supervision and inspection of the construction site
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Our fire department should continue to strengthen the fire supervision and inspection, and make up the relevant procedures for the construction units without approval within a time limit, strictly follow the legal procedures, and fundamentally control the fire hazards; At the same time, before the construction of new construction, reconstruction, expansion, change of use, building interior decoration and other construction projects, the construction unit must be ordered to take the initiative to go to the local fire department to apply for relevant approval procedures
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02
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Reasonably plan the fire safety layout of the construction site under construction to minimize fire hazards
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First, according to the actual layout of the construction site, reasonably divide the operation areas, especially the open fire operation area, flammable and combustible material storage yard, dangerous goods warehouse and other areas, set up obvious signs, and arrange the areas with high fire risk under the perennial dominant wind direction of the construction site Windward or crosswind
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Second, we should try our best to use fire-resistant building materials, reduce the fire load on the construction site, improve the fire resistance rating of temporary buildings, and leave the necessary fire separation between them
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The third is to ensure that the fire lane of the construction site is unblocked
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It is not allowed to pile up building materials to block the fire lane, and it is not allowed to occupy the fire lane for operation
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Fourth, a certain number of fire-fighting equipment should be equipped near the migrant workers’ dormitory
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Large construction sites should be equipped with fire-fighting pools and necessary fire-fighting communication and alarm devices
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03
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To strengthen the fire management of the construction site under construction, first, strictly implement the approval system for the use of open fire in dangerous sites
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Oxygen and acetylene cylinders should not be mixed
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At least one person should be assigned to supervise the welding operation to determine the feasibility of welding
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Necessary fire-fighting equipment should be provided
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Besides, non combustible material plates should be used near the welding joints to shield them, and combustible materials around them should be cleaned to prevent welding beads It’s splashing all over the place
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Second, it is necessary to set up conspicuous fire safety signs such as no smoking in migrant workers’ dormitories, staff rest rooms, dangerous goods warehouses, etc
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Third, it is necessary to strengthen the coordination among various types of work and sections in the construction site, so as to prevent new fire hazards caused by cross operation
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Fourth, we should strengthen the management of storing oxygen, acetylene and other flammable and explosive materials
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Special warehouse shall be set up for storage, and special person shall be assigned to be responsible for receiving, sending and registering
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04
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Strengthen the power management of the construction site
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The construction unit shall determine an electrician who has passed the fire safety training to correctly and reasonably install and maintain the electrical equipment, regularly check the operation of the electrical lines and electrical equipment, and focus on whether the line joints are good, whether there are safety devices, whether there are short-circuit heating, insulation damage and other phenomena
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It is strictly forbidden to connect the wires without permission; Whether there are combustibles around the electrical equipment, especially whether the electrical equipment and lamps in the dangerous goods warehouse meet the explosion-proof requirements.
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