【 Weak current College 】 large garage fire protection design and fire management

In the new garage large garage grow faster. According to statistics, 2004 100 to 500 berths, large garage 33%, representing an increase of 63% in 2002; more than 500 berths 3% oversized garage. Large garage and solve a lot of parking problem, but it's fire safety management cannot be ignored.
In the fire on the large garage has the following characteristics:

A large garage and parking lot, in the event of fire, extremely easy burning even camp, consequences.

The second is a large garage and less natural smoke exhaust window, such as fire, smoke is difficult to cause difficulties of evacuation and fire fighting.

Third, the large garage in general settings in high-rise residential buildings or large public buildings, due to the large garage fire load, there is a fire burning for a long time after threatens over high-rise residential or public buildings, causing enormous economic damage and casualties.

Fourth, some buildings of important device control centres such as substation, fire control, fire control pump rooms, the majority are located in the underground garage, in the event of a fire prevention and control of these devices pose a serious threat to function properly.
Under construction or are about to build a large garage, you should note the following:
Design considerations for evacuation. Garage fire design specification provides the "garage, garage for each fire zones, its personnel security exports should not be less than two." However, most garages with a flexible approach, that is, each partition has a staff of fire exits, several fire partitions share an entrance, as well as individual underground garage itself has no independent evacuation export, fully depends on the architecture of staircases. This discrepancy and the regulatory requirements, to extend the evacuation distance, a security risk.
Designed to benefit the vehicle evacuation. Most of the large garage for parking the car, according to each car 30 m2 parking space, a parking garage for 100 cars, then this garage should set two car evacuation entrances. Today, thanks to set the car evacuation entrances affected facility layout of greenery and the ground, and do not facilitate day-to-day management, and therefore many construction unit's approach is: a fire partitions only one entrance, there is even a fire compartment of the entrance and there is no guarantee. In the event of fire, evacuation channel, shutter closes, fire prevention Division Automotive exit will not be able to use that part of the vehicle cannot be evacuated from the garage.
Design time attention and hydrants pipeline garage spray. Garage for use in a spray system for wet and acting type spray, taking into account the cost of project, my garage to wet sprinkler systems. Because indoor hydrant pipeline under normal circumstances is filled with water, winter insulation measures should be taken, because once the fire hydrant pipeline freezing, will result in significant property damage. Mechanical parking berths since 2000 have been developing rapidly, the average annual growth of over 50%. In accordance with the regulatory requirements, mechanical parking spaces should be in the top-layer set spray. But now some garage for parking duration, in part, even if settings are not set, the settings for how, where, in conformity with standard requirements.
Then there is the garage fire facilities within the automatic maintenance and maintenance. Large garage fire auto-alarm systems, sprinkler systems, wind, the smoke exhaust system and fire protection shutter with automatic fire linkage function, in the daily fire fighting equipment should pay attention to maintenance. At present, many garage fire alarm detectors have no regular cleaning, maintenance, individual garage rolling doors and exhaust fan blowing, administered, or even the perennial powered a bauble. Automatic fire-fighting facilities if the lack of regular maintenance and upkeep, in fire occurs, it will be difficult to play. In addition, part of the underground parking garage within a water pumping station, power distribution, and other equipment room, when the fire broke out, these devices use the room still need to adhere to the work, but some of the underground garage water pumping station and other important equipment of emergency lighting setting of illumination, the normal lighting requirements and evacuation channels blocked, causing fire State personnel cannot reach these important parts in the parts of the staff to timely evacuation.