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<br /> A BUILDING CODE 1994 UNIFORM BUILDING CODE 1001.2-1002.1.2
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<br /> ' ' ,'SMOKE-PROTECTED ASSEMBLY SEATING is seating served by means of egress which I
<br /> , is not subject to blockage by smoke accumulation within or undera structure. • _ 1
<br /> a t ..4' SPIRAL STAIRWAY is a stairway having a closed circular form in its plan view with•unifonn j
<br /> 1 .1 section shaped treads attached to and radiating about a minimum diameter supporting column.The
<br /> effective tread is delineated by the nosing radius line,the exterior arc(center line of railing)and the
<br /> shall be provided ,'. -1 z overlap radius line(nosing radius line of tread above).Effective tread dimensions are taken along a i
<br /> < ,_J line perpendicular to the center line of the tread. • ?
<br /> der 35,Part II,and TRAVEL DISTANCE is the total length of the exit path an occupant must travel from any point II
<br /> within the occupied portions of a buildingto reach an exterior exit door,horizontal exit door,exit
<br /> tnd as such are not
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<br /> ,. .::: passageway door or an enclosed exit stairway door.
<br /> �. 1001.3 Exit Obstruction. Obstructions shall not be placed in the required width of an exit except
<br /> fi projections permitted by this chapter.
<br /> 1001.4 Changes in Elevation. Elevation changes in an exit shall comply with Section 1006.3 or I ' ' ''1,,;;:.� 1007.Within a building,changes in elevation of less than 12 inches(305 mm)along an exit serving an
<br /> occupant load of 10 or more shall be by ramps. i# i
<br /> EXCEPTION:Group R,Division 3 Occupancies and along aisles adjoining seating areas.
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<br /> 1001.5 Guardrails. See Section 509 for guardrail requirements.as follows: 1001.6 Yards,Patios and Courts. Yards,patios,courts and similar outdoor areas accessible tot 1tall of a building, and usable by the building occupants shall be provided with exits as required by this chapter.The l'''jand the open area occupant load of such outdoor areas shall be assigned by the building official in accordance with k�ke or toxic gases their anticipated use.When outdoor areas are to be used by persons in addition to the occupants of t r
<br /> tall include inter the building,and exits from the outdoor areas pass through the building,exit requirements for the r 1
<br /> airways,pressur building shall be based on the sum of the occupant loads of the.building plus the outdoor areas. L'iEXCEPTIONS: I.Outdoor areas used exclusively for service of the building may have only one exit.Ire required exits k 2.Outdoor areas associated with Group R.Division 3 Occupancies. ,I)urt with a public ii 1001.7 Building Accessibility. In addition to provisions of this chapter,exits which provide ac- i
<br /> cess to,or egress from,buildings for persons with disabilities shall also comply with Chapter 11.
<br /> cept for required 1001.8 Elevators or Escalators. Elevators or escalators shall not be used as a required exit. ' 'l;
<br />:as shall be either "'
<br /> Calls of the build- SECTION 1002—OCCUPANT LOAD ,,`
<br /> proximately the 1002.1 Determination of Occupant Load. r ;1
<br /> pancy separation 1002.1.1 Areas to be included. In determining the occupant load,all portions of a building shall !f,
<br /> ablish an area of :, 1
<br />:ape is made.
<br /> be presumed to be occupied at the same time. i
<br /> EXCEPTION: Accessory use areas which ordinarily are used only by persons who occupy the main areas •
<br /> error stairway. of an occupancy shall be provided with exits as though they are completely occupied,but their occupant load i g;
<br /> or more motion : i need not be included in computing the total occupant load of the building. ir'
<br /> The occupant load for a building shall be determined in accordance with the provisions of this '1
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<br /> device,the acti- � section. : : •� ,
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<br />)n which it is in- 100/1.2 General. For areas without fixed seats the occupant load shall not be less than the num-
<br /> . ,....:., . _ 3,. , • _ P _
<br /> ber determined by dividing the floor area assigned to that use by the occupant load factor set forth in
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<br /> moo: Table 10-A.Where an intended use is not listed in Table 10-A,-the buildingofficial shall establish an
<br /> rutted from the t occupant load factor based on`a listed use which most nearly resembles the intended use j, t
<br /> ted to the public x" 11,-,For a building.or portion thereof.,which more than one use,the_occupant load shall deter- , tF .
<br /> mined by the use which gives the largest number..of.persons.,::nr a!t . :-."!,,tot
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