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灭火器的选择是依据现场主要发生火灾的类型来设计的，从设计规范得知，每个区域可能发生火灾的危险等级，然后再来确定该区域的灭火器的设置点数，经过一系列公式的计算，就能确定在该区域内需设置几具灭火器，再者确定灭火器的类型，这就完成了施工现场的灭火器的配置。
Construction of a building site fire hazards analysis and fire protection design
Design Notes: Along with the rapid development of the national economy, the country continued to increase high-rise buildings, new materials, new products, new technologies continue to be widely used, greatly promoted the development of enterprises and industry progress. At the same time, every household electrical equipment widely used, has become a factor causing a fire, the role and status of fire safety measures in the field of integrated management also highlights particularly important. Therefore, companies, projects, each team as well as inpidual employees are shouldering prevent fire, ensure the safety of the mission.
The main contents of this fire protection design are as follows: Background and Significance (1) of this article; (2) the characteristics of the construction site; (3) construction site fire hazard analysis; (4) the proposed fire protection design program design consists mainly total plane design fire protection design, design of fire compartment, the design of evacuation routes, fire hydrant system design, detectors and automatic alarm device, fire extinguisher arrangement; (5) to calculate the design of the program; (6) the summary design.
Design objects to a construction site scene. "New ZhaBei District 338 neighborhood 61 mound facilities (R & D space) project fire installation project", covers an area of 16,760.60 square meters, with a total construction area of 58325.46 square meters, ground floor area of 33,887.4 square meters.
The fire protection design is mainly based on "architectural design code for fire protection" GB50016-2014, "building water supply and hydrant systems technical specifications" GB 50974-2014 and "Construction site fire safety technical specifications" GB50720-2011, the main reference are "fire Safety technology practice, "" fire safety technology integrated capabilities "and" building fire engineering "and other books, and access to a number of related journals, to find a large number of fire-designed books in the library.
The total construction plane fire design involves building categories and some of the data to determine the fire rating, fire spacing and fire access road. By requiring the relevant specifications, determine the building as a class building, set fire resistance is level; the minimum spacing between the field office buildings, dormitories for the 4m, minimum spacing between explosive dangerous goods warehouse is 12m; fire temporary lane not less than 5m, and not more than 40m.
Architectural graphic design partitioning refractory fire district and smoke partition main design of the building, taking into account that in the construction of the building structure itself and its own material, reinforced concrete materials are flame retardant materials, fire-resistant grade level, so the body will not consider building the smoke partition. All specifications, this design is mainly related to the main building and pided and all other portions of the temporary building fire district is pided according to their different purposes. From these perspectives, the design first be designed for a fire district and various temporary buildings inside the construction site, according to provisional inside the building floor plan to complete the design of the temporary building fire district system, including the identification according to the structure and arrangement of temporary buildings temporary building fire rating, the pision fire district and outdoor fire systems.
Fire hydrant water supply system includes indoor and outdoor fire hydrant hydrant. Determine the number of fire hydrant and water, and its full of water, fire hydrant protection radius, fire hydrant spacing, water jet flow, hose pressure loss, the required fire hydrant outlet water pressure, water tanks and other hydraulic calculation; outdoor fire hydrant required by section specification data to determine the type of digestion are arranged outside the plug, and the number and spacing arrangement.