Mines and Bunkers Volume 10, Fire Safety Aspects of Polymeric Materials (1980) / Chapter Skim
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INTRODUCTION
INTRODUCTION
Pages 1-6
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Early i n its del i be rations, however, the committee concl uded th at its origi na l ch arge req u i red some modification and ex pansion if the cruci al issues were to be ful l y examined and the needs of the sponsori ng organi zations, fil l ed . Accordingly, i t was agreed that the comm i ttee wou ld di rect its attention to the behavior of polymeric materi als i n a fi re situation with special emphasis on human·safety considerations.
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Vol ume 4 F i re Dynamics and Scenarios Vol ume 5 Elements of Polymer F i re Safety and G u ide to the Designer Vol ume 6 Aircraft Civil and M i l itary Vol ume 7 Buildi ngs Vol ume 8 Land Transportation Vehicles Volume 9 Sh ips Vol ume 1 0 M i nes and Bun kers 1 .2 Scope and Limitations of This Report This report speci fical ly exam i nes the pol ymeric materials used in m ines and bun kers. Underground mi nes and bun kers can be conce ived of as two- or three di mension al underground structu res th at are cl osed systems dependent on forced vent i l ation.
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Bun kers that are used for storage, l iving, or recreational purposes must have good access and egress routes , be compartmenta l i zed to control fire spread, and have a smoke ven til ation system. Aside from these consi derati ons, the problems of polymeric materi als usage and fire safety are analogous to those involved with other fac i l ities of simi lar function, and reference sh ou l d be made to Vol u mes 7 and 8 in th is series, B u i l di n gs, and Land Transportation Veh icles.
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Alth ough the number of people wo rki ng, l i vi ng, shoppi ng, or traveling u nder grou nd is relative l y small compa red to the total popu l ation, it does represent a sign ificant amount and appropri ate consideration must be given to fire safety . Exami nation of a l ist of uses presented above gives an ind ication of the wide variety of polymeric materials that wi l l be found in u nderground space.
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Many statements about the fi re safety aspects of pol ymeric m aterials a ppear in each of the reports pu bl ished as a resu lt of the comm ittee's study. Mem be rs of the com m i ttee wish to emphas ize that such statements, i ncl uding judgmen tal ones i n regard t o fi re safety aspects o f materi als, especial ly end uses, apply o n l y t o the specific situations that pertain (e.g., su itabi l ity of a material from a fi re safety poi nt of view depends on many factors, incl udi ng ease of access, ease of occupant egress, prox i m ity of i gn ition hazard, proxim ity of other mate ri a ls, thermal fl u x and dura· tion of ignition source, ambient oxygen partial press u re, and fire and smoke detec tion and suppression systems in place)
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In Chapter 4, Materials, the potential contri bution of polymeric materials to mine and bu nker fi res is descri bed. Exami ned in deta i l are n atural and man-made m ateria ls, their application in the m i n i ng environment, and ex pected beh avior i n a fire situation.
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