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关键词：消防设计；火灾隐患分析；防排烟系统；消火栓系统；火灾自动报警系统；灭火器配置
Fire design of a leather city
Design General Information：The store is the sale of professional leather multi-storey commercial buildings. With an area of 136085 m2, part of the store has a total construction area: 326005m2., including building area: 250926.68 m2, underground construction area of 75078.5 square meters. There are 4 main functions of the whole building: commercial, catering, parking and equipment room, etc.. The main building is the ground of the 4 layer, the basement 1 layer. Each layer is high: underground 1 layer: 5.1 meters (including the basement roof in airport areas - storey 4.4 meters); on the ground floor of a four layer: 5.7 meters. Total fire height (outdoor ground to roof level): 23 meters.
The design basis of main 50016-2006 GB "code for fire protection design of buildings" the automatic fire alarm system design specification "GB50116-98, the automatic water spraying fire extinguishing system design specification" GB50084-2001, the garage, the garage, parking field code for fire protection design GB50067-97, the building fire extinguishing device configuration design specification "GB50140-2005. The design of the main reference a bibliography of the fire protection design of buildings "," Handbook of system design of automatic water spraying fire extinguishing "., the high-rise building fire safety design handbook, the building fire protection technology, etc. and refer to a large number of book and periodical, in the library find plenty of fire engineering design data.
The fire protection design of the project to the national building code for fire protection design and relevant industry standards as the basis, combined with engineering practice to carry out related work. Through scientific and reasonable design, to improve the level of fire safety of buildings, to protect the purpose of building personnel security. The concrete design content includes: building fireproof rank determination, design of general layout of buildings, fire district, fire hydrant water supply system design, personnel safety evacuation design, automatic sprinkler fire extinguishing design, automatic alarm system design, building anti exhaust system design, interior decoration repair fire design and fire extinguishing device configuration.
Specific design scheme is as follows:
[1]The construction grade of this project is a grade, and the grade of fire resistance is grade 1.
[2]This works with the surrounding buildings to maintain the appropriate fire spacing, meet the specifications. Set fire ring road around the building in fire, climbing surface along with advanced street.
[3]The engineering level of fireproof subarea pision, the underground layer pision for 18 Fire District, the bottom pision for eight fire partition, the second, 13 fire area pided into three layers, four layers of every layer is pided into 13 fire area. The atrium is pided into a fire protection pision for fire prevention.
[4] calculates the traffic of the leather city in accordance with the conversion factor of the number of people in the area of the building area under different circumstances, in order to determine the use of the most concise method. The evacuation width, safe evacuation distance and the time of evacuation must meet the requirements of the code.
[5]All parts of the decoration of the material of the combustion performance grade are in line with the "fire code for architectural interior decoration design" requirements.
[6]Fire extinguisher e this engineering fire extinguishing device configuration places dangerous grade for class a fire danger class, each fire extinguisher set point matching with 3 50kg hand push type MFT/ABC50
[7]The fire water supply water source is the municipal water supply network and the fire water tank. Outdoor fire hydrant system using ring design, set six type fire hydrant in the pipe network layout of outdoor fire hydrant, fire hydrant water is 30L / S. This project is the indoor fire hydrant system for water supply system of fire hydrant system with temporary high pressure fire pump and the water tank. The indoor fire hydrant water for 10.4L/s, the effective volume of the fire pool for 70.4m3.
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