4330 20TH ST (34) - Laserfiche WebLink

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;,� �� - ` I = �� ,/�� '/ , _ :�_ . ' '+ .` � � ,,;; ,�LL } - INDU'�TRIAL OCCUPAiVC1ES 913 _.. . �. . •ial occupancy classifica- - explosion suppression or venting to ensure the life safety of a building's �duce exit requarements. occupants. Full utilization of fire protection en�uineering techniques ; resulting in a smaller - should be employed in such occupancies to minimize the potencial risk to as justification to reduce - life safety. �nts of exits required for � �� The industrial occupancy most obviously requiring classificacion as a <, ;,: itained. A reduction in high hazard occupancy is one associaced wich the production of explosives cs of the means of egress _ or highly reactive chemicals. In some esnecially hazardous operacions :ion of a building as a - extra esits will be necessary to ensure rapid occupant egress fo prevent _ loss of life should an explosion or fire occur. Where installacion of che `. r:: prevencive or procective measures specified in 28-3.2 is noc possible, due :o cludes those buildings having -_ the nature of che industrial operacion, consideracion should be given �o �gh hazard operations in low or `� operating procedures which restrict access to a limited number�oi people �ection 4-2 and 28-3.2 shall not � �;� during the hazardous portion of�he operacion.The procedure�vould limit _ life safecy esposure to those [rained personnel fully aware of che esten� oi ��; the hazard. Procedures should also include a record of the personnel who '� •cupancies where gasoline and = « ' have signed in or out to ensure prompt decermination of che number of d under such conditions as to -- personnel exposed co a hazardous operation and thus che number who may un dust, wood flour or plastic - require rescue. dusts may be produced; where _ � ed,or handled;where cotton or - 28-1.5 Classification of hazard of contents shall be as defined in Section 4-2. - conditions such as to produce _� ��: � . 28-1.6 Minimum Construction Standards. No occupancy requireinenc. Storage Occupancies, include i-; � ; ?� 28-1.7'� Occupant Load. The occupant load of induscrial occupancies for determi- nacion of ineans oE egress shall be one person per 100 sq Et (93 sq m) of gross floor mited to chosei industrial - area. � i � ;::.- I :tions. Incidental use of �. � Exceptrnn: In a .rpecral purpote induttrial accupancy, the occu�ant load shall be the .ilding does not constitute � ��y � maximum number of per.tont to ocarpy the area ttnder any probable conduiont. ' :fe safety precautions may � ' �:'`_ , ?�• �= :er to Chapter 5 of NFPA - A-28-1.7 In mosc cases the requirements for maximum travel distance to exits will be or guidance. Storage of .`-- che determming factor rather than numbers of occupants, as exits provided to sacisfy .ners would not require a � �`{ travel distance requirements will be sufficient to provide esit capacity for all occupants, �peration inclu'ded mixing , - excepc cases of unusual arrangement of buildings or high occupant load of a general �f containers. Ylising and ; Y �;_�; manufactuung occupancy. I d in a separate room with � � ' eas. In such an operation, ' The occupant load of an industrial building is based on a I average of ; i h a z a r d o c cu panc y while - 1 0 0 s q f t (9.3 s q m) o f g r o s s floor area per occunanc. v lanv in dusiria l be considered a general i users of the Code confuse this concept with che actual �number of ! cage occupancy subject to �:'�' employees. The usual complainc is cha[ the number of pocencial employees decermined for exic purposes by the 100-sq fr (9.3-sq m) cricerion iar or manufacturing process ; - � exceeds the anticipaced or acrual number of employees. Manv industrial d require a high hazard � _- mana�ers argue chac using the larger number as a basis for� esic design in industrial occupancies I requires more exits, wider doors, and more passageways than are neaded dusts. Every opportunity� - for exic purposes, all ac a penalty to productive work space and resulting �es working in operations ;'��' in increasing coscs. N� I of life should a dust , loss ,� .`-.- The concepc of decermining occupanc load is actuallv not relaced to che .f � } Y �. i tlal - .ch an explosion pocen ,, I :. .�s number ot anticipa�ed or actual emplovees, but is a means ot calculating :ation of techniques for i '= '�`'- the minimum exit requiremencs based on che needs oi i an average ��:: � , � i , i I •� ..,'`;: � I I � � i