Jinan Olympic Sports Center Stadium lighting unity (Figure)
The outdoor audience platform of the stadium is evacuated. The second floor outdoor audience platform area is about 11570m2. The northwest evacuation bridge bottom floor VIP evacuation exit southwest evacuation flyover east evacuation mouth warm-up hall evacuation exit
The footsteps of the 11th National Games are getting closer and closer. On May 13th, the 11th National Games Gymnastics Preliminaries and the 2009 National Gymnastics Championships will be held at the Jinan Olympic Sports Center Gymnasium. How is the fire safety of the Olympic Sports Center deployed? How to achieve fire safety and timely evacuation of personnel? The reporter interviewed the Jinan fire department on issues of concern to readers.
Fire fighting: four emergency plans according to the fire
According to the key parts of the gymnasium and the position of the fire, the fire of the venue is set to three levels, namely, Class I fire, Class II fire, Class III fire; Class I fire is the highest fire, Class III fire. For the lowest fire. Fire Fighting and Rescue Operational Plan Firefighting and Rescue Operations for National Games Fires According to the fire level, a one-minute fire fighting action plan, a three-minute fire fighting action plan, a five-minute fire fighting action plan and a ten-minute fire fighting action plan are implemented.
When a Class III fire occurs, the one-minute, three-minute fire-fighting action plan is immediately activated, and the on-site fire fighting operation is completed in one minute. When a Class II fire occurs, the three-minute fire-fighting action plan is immediately activated: the nearest on-site firefighters arrive at the scene, use a piggyback type A foam fire extinguisher, a water mist fire extinguisher to extinguish the fire, and the on-site fire fighting operation is deployed within three minutes. carry out. When a Class I fire occurs, the five-minute fire-fighting action plan is immediately activated: the on-site firefighters immediately start or use a fixed fire-fighting facility to extinguish the fire, and the firefighting site commander is on the scene. The on-site fire fighting operation deployment should be completed within five minutes; when the fire exceeds the fire-fighting capability of the on-site fire duty force, the 10-minute fire-fighting action plan is immediately activated: while the on-site duty force fights the fire, the surrounding fire station is quickly mobilized through the 119 fire command center. The designated fire-fighting and rescue forces entered the field to reinforce, and the designated fire-fighting and rescue forces of the surrounding fire stations entered the scene to coordinate operations according to the plan. The deployment of on-site fire fighting operations should be completed within ten minutes.
During the fire fighting process, the fire hydrant water supply system and the fixed fire water cannon system in the stadium will play a role.
Escape: Evacuation channels are available at all levels
The stadium stands are set up on the upper and lower sides. The upper level stands for the down-level evacuation mode. The audience is evacuated from the seat down through the 12 stands to the audience hall in the fourth floor. Then they can be evacuated to the second floor audience hall along the 6 evacuation stairs and 2 escalators. It can then be evacuated to an outdoor evacuation platform through an external exit on the 2nd floor.
The east and west part of the lower platform adopts the middle row evacuation method, and the north and south part stands adopt the uplink evacuation method. The audience evacuated to the 2nd floor audience distribution hall through 16 grandstand exits, and then through the external exit, they directly went to the outdoor audience on the same floor to evacuate the large platform. The audience on the platform could continue from the east, southwest and northwest directions respectively. Evacuate and evacuate to the outdoor ground through a pedestrian passage. Disabled spectators can directly enter the 2-story distribution hall from the grandstand area and then evacuate to the outdoor large platform.
There are three main evacuation exits on the first floor: the entrance hall leads directly to the outdoor safe exit and the evacuation passages on both sides of the north and south.
There are 16 two-layer internal evacuation channels (exit) and 12 external evacuation channels (exports). The in-field audience can be evacuated to the peripheral area by a total of 16 outlets from 201-216. There are 12 exits in the peripheral area leading to the outdoor square area, and the outdoor square area can be evacuated in the east, northwest and southwest directions.
There are four elevators and four closed stairwells on the third floor. After the personnel in the box are evacuated from the room, they can be evacuated to the second floor lobby along the 301, 302, 303, and 304 stairs, and then the nearest exit is selected for evacuation to the outdoor platform.
There are 12 evacuation channels on the fourth floor to evacuate the audience to the audience rest hall. The 10th direction (west to north) is the exit No. 1, in the counterclockwise order, the order is 1-12, and the fifth floor has 4 evacuation channels. It is located in the stairwells of the northeast, southeast, northwest and southwest, and can lead to 1-6 floors.
Lighting: Standby lighting is powered by 2-way mains
The central control room, fire-fighting equipment, fixed communication room and other important computer rooms, transformer substations, and VIP areas are combined with normal lighting. When the normal lighting power failure occurs, the normal illumination illumination can be maintained. The standby lighting is powered by 2 mains, and the dual power ends are automatically switched.
Evacuation lighting and evacuation signs are provided in stairwells, smoke-proof stairwells, evacuation walkways, and safety exits. To ensure the safety of athletes and spectators and to avoid panic and danger, set up safety lighting at the venue and in the auditorium. The safety lighting is powered by 2 mains and the end of the dual power supply is automatically switched.
Smoke exhaust: 4 exhaust fans on the roof
The gymnasium competition hall adopts a mechanical smoke exhaust system, and four exhaust fans are evenly arranged on the roof, each of which emits 90,000 m3/h. Mechanical exhaust is performed on each box of the box floor. There is an electric opening sunroof in the middle of the top of the competition hall. It is used as a fire-fighting smoke in the fire, and it is usually used as natural ventilation. There is an electric opening sunroof on the outer wall of the basketball and gymnastics training ground. It is used as a fire-fighting smoke in the fire, and it is usually used as natural ventilation.
During the fire alarm, the inner office and inner walkway automatically open the normally closed electric smoke exhaust ports of the corresponding smoke prevention zones in parallel according to the instructions of the fire control center to open the exhaust fan of the corresponding smoke prevention zone for smoke exhaust.
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