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GENERAL PROBLEMS OF CONSTRUCTION-RELATED SCIENCES AND OPERATIONS. UNIFICATION AND STANDARDIZATION IN CIVIL ENGINEERING

Normalization of water flow rate for external fire fighting of the buildings in settlements with zone water supply

Vestnik MGSU 11/2014
  • Deryushev Leonid Georgievich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Water Supply, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-36-29; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Deryusheva Nadezhda Leonidovna - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Water Disposal and Aquatic Ecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-36-29; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Pham Ha Hai - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Water Supply, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 7-13

In the article the requirements for fire safety assurance are justified for the objects, in which water is supplied with account for serial and parallel area zoning. In the process of zoning the district is segregated into such parts, for which head rate in any point of selection of water from network will not exceed 6 bar. In the current regulatory rules the requirements for the calculation of the costs of water points are stated, as well as in case of extinguishing fires at the sites with water-supply systems zones. It is recommended to analyze each zone of the system of water-supply separately, without interrelation with the common water feeders, water consumers and services of fire extinguishing. Such an approach to assign water discharge for fire extinguishing results in the decrease of fire safety of an object, deforms calculation technique of outside systems of water-supply of the similar-type objects located in different parts of the terrain. Taking the number of fires and water consumption for fire suppression by the number of residents in each zone, we thus underestimate the capacity of the pipeline system. It is offered to make changes in Norms and Standards in force on fire safety of settlements. The recommendations on regulation of the number of fires and water flow for fire fighting in residential objects with zoned systems of water-supply are formulated.

DOI: 10.22227/1997-0935.2014.11.7-13

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