. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . ator shaft is both a fire hazard and an agencyfor the saving of lives and property in case of fire. Thefire hazard is due to the necessary communication betweenfloors and the fact that the shaft, acting as a flue, directsthe fire toward the hoistway. The use of the elevator as a means of escape in caseof emergency requires that its capacity should be adequateto provide at least for the passenger travel under theseconditions.
. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . ator shaft is both a fire hazard and an agencyfor the saving of lives and property in case of fire. Thefire hazard is due to the necessary communication betweenfloors and the fact that the shaft, acting as a flue, directsthe fire toward the hoistway. The use of the elevator as a means of escape in caseof emergency requires that its capacity should be adequateto provide at least for the passenger travel under theseconditions. But it might better be large enough to accom-modate also such merchandise of extremely high value as isstored in the building. In city buildings it is assumed that the total populationof the building can be moved in IS minutes. For thisreason, if the elevator is to be used as an additional meansof escape it should not be located in the vicinity of hazard-ous processes. Motive Power The choice of motive power for an elevator is oftensubject to local conditions. In buildings where power isgenerated the choice lies between any of the commercial Ekrahrs.
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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjecthoistingmachinery
