A rapidly increasing with the development of economic globalization, all kinds of construction projects, and gradually reduce the land resources, high-rise buildings increased constantly increasing. Fire engineering for construction projects is essential, is an important part in the whole building project, direct relationship between the property and life safety of people, so focus on building fire engineering construction is very important. This article from the present situation of fire engineering hidden trouble in security analysis, and targeted improvement measures are put forward.

In the building fire engineering safety hidden trouble

2.1 the characteristics of the safe hidden trouble

1) the rapid development of the fire, and very difficult to control; For building has a lot of amount and type of fuel, the main discovered fire, can smoke, fire, and fire will spread quickly. For building structure, the safety problems mainly involve the pipe well, stair, air duct and cable pit, etc., once the fire isolation not ready, fire like chimney become an accomplice of the spread of fire. When fire due to the high temperature heat convection, horizontal flue gas diffusion speed can reach half a meter per second or faster, greatly increased the fire.

2) the building structure is complicated, is not conducive to evacuate the crowd; Now all kinds of the structure of the layer is higher and higher, the structure is also to the more complex the increased vertical evacuation distance, will be stranded successfully evacuated to the ground time longer, and the crowd is relatively concentrated, crowded stampede occur easily in the evacuation. Combined with the flue gas and the fire spread quickly, more increased the difficulty to evacuate. From the survey shows that most people have been killed in the fire accident are be smoked to death, and the evacuation crowded trample each other to death.

2.2 the root of cause potential safety hazard

Cause fire engineering safety factor is not a single, involves various factors, mainly has the following several aspects:

1) design flaws; Nowadays various height of building, the design of mostly focus on the main body of the reasonable structure is unreasonable, good-looking not good-looking, many designers will be ignored, many designers blindly beautiful attaches great importance to the building layout and performance, will naturally cause fire safety hidden trouble. Main problems in the following aspects:

First, lack of fire alarm system, or a lack of fire sprinkler system, some designers don't according to the national standards, even some designers understand the rules, not necessarily safe hidden trouble caused by design.

Second, the decoration of the just and beautiful, but with a large number of flammable combustible material, appear this kind of phenomenon root lies in: the design of indoor personnel do not perform in accordance with state regulations, decorate only pay attention to the result, when used in decorating a large number of flammable combustible materials. And design drawings and failed to pass the fire inspection, in accordance with the unqualified construction drawings, caused by congenital fire safety hidden trouble. Seek interests, and there is some decorating a illegal use of inferior materials to reduce fire rating.

Third, fire prevention design standard; Many buildings have no emergency channel, after the fire will fire control in the local area, extremely hard to further expand the fire spreading; At the same time, it is not set exhaust system, in the event of fire smoke nowhere, become one of the main factors causing death. Designers did not fully consider these factors, must stay safe hidden trouble.

2) fire audit lax; Some units to save money in the short term to complete the task, it used the design and construction, not only failed to pass the fire department audit, also did not fully aware of the fire control facilities, even also modify phenomenon occurring during construction. And some engineering practice the head of a hammer, they will charge the boss. To cause fire engineering safety hidden trouble. The problem is not be able to design and construction. In fact the case, comes from the fire department no strict audit, review and there is no strictly controlled.

3) will not be able to ensure the construction quality. In the fire engineering construction, some construction unit managers own quality is not high, a line of low level of construction personnel, construction technology is not skilled, not able to undertake the construction, lead to poor quality of construction is not up to standard, there are serious security hidden danger. There are some construction unit to cut corners during construction, use of inferior materials, heavy security problems in fire control products.

4) fire management is difficult; Used for the high-level building fire control system contains many subsystems, such as automatic fire alarm system, automatic fire extinguishing system, smoke control and extraction systems, and also added in some construction automatic door equipment system, but a lot of plot is security management of fire safety, and no full-time safety management personnel. These managers lack of professional knowledge, also don't know how to test and maintain, is more a lack of fire protection consciousness, cause all kinds of potential safety hazard.

3 to improve the hidden trouble in security building fire engineering measures

From the current situation of fire engineering there are all kinds of potential safety problems, if you don't give improvement is bound to harm people life and property, so they need to fire hidden danger to improve the existing engineering.

3.1 to strengthen design management

Now the relevant departments to enhance the management of fire protection engineering design, and introduced a special design certificate, only conform to the requirements and design units count on the foundation, to obtain qualification certificates, also to have the fire engineering design qualification. But really lack is the execution system at present, relevant departments should take effective measures to enhance the management and supervision and design units, strengthen market supervision, only under a variety of supervision qi can prevent fake design units to enter, to put an end to hear phenomena appear.

3.2 strengthen the management of construction quality

Any engineering construction quality as the key to grasp, let alone a fire engineering construction. In construction to adhere to the principle of weiwei, early intervention and high standards, and to the construction operation comprehensive supervision and management, strengthen supervision of fire engineering; And as an opportunity to perform in strict accordance with the relevant specification and requirement, not allowed to do STH without authorization changes during construction design. Strengthen the specification acceptance, even at the same time found irregularities exist in the construction will stop immediately, order a rectification within a time limit. Best is the construction unit, supervision unit and design unit, in conjunction with the unite, strict inspection and review of products and materials used for the fire engineering construction, etc., found that the product is unqualified phenomenon will be handled in time, will never allow the materials into the construction site.

3.3 to strengthen the maintenance and management of construction need more facilities

Already complete fire engineering acceptance must fire management departments, can be put into use only after the acceptance of, and, of course, also need to do the daily management of facility use and maintenance. Chengdu, there is a fire a district in 2012, when using, found that most of the fire hydrant has been destroyed, this is typically caused by poor management. Once the fire engineering put into use, the use of units will be to daily maintenance and maintenance of facilities, to ensure the normal operation of fire control system. We need to improve facilities inspection, maintenance and testing of the post responsibility system, the responsibility to people, such ability can truly good maintenance and management of fire control facilities.

4 conclusion

As an important part of construction projects, fire engineering related directly to the people life and property safety. Therefore must be hidden trouble in security analysis, and then combined with the problems existing in the improvement measures, at the same time to strengthen the ideological value and innovation management system, and only multi-party improvement can reduce or avoid fire safety hidden trouble.

Beijing branch into the dragon control system co., LTD is specialized in high-tech product development, production and sales and service of high-tech enterprises, is China's security product industry association, deputy director of the unit, vice President of China association of fire units, China fire protection association director unit, passed the ISO9001 quality management system certification unit, a number of national and local relevant technical specifications and product standard of the ginseng units.

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