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Federal Register / Vol.66,No.44 / Wednesday,March 8,1991/Rules and Regulations 8607 Requirement 4. AccsnWk route Into and through the (5) Exterior deck,patio,or balcony surfaces are no mat than hovered dwelling unit 1/2 inch below the floor level of the interior of the dwelling unit,unless they are comernued of impervious Section 100.205(c)(3Xi)provides that all covered mishits- material such as amcete,brick or flagstone.In such cue, wily dwellings with a building entrance on an accessible the surface is no more than inches below the floor level route shall be designed and mrauuemd in mach a manner of the interior of!bedwetting unit,or lower if required by that all premises within covered multifamily dwe0ingg units local building code. contain an accessible mute into and through the coveted dwel0ng unit. (6) At the primary entry door to dwelling units with direct exterior acme,outside landing surfaces owmmtgd of Guideline impervgta materials such as concrete,brick or flagstone, are no more thin 1/2 Inch below the floor level of the Accessible routes into and through dwelling units would interiorof the dwelling unit The finished surfaceof this meet section I00.205(c)(3Xi)if: area that is located immediately outside the entry may be sloped,uptol/8inch per foot(12 inches),tordrsinage. (1) A minimum clear width of 36 inches is provided. Requirement S. light switches,electrical outlets.thenmo- (2) In single-story dwelling units,changes in level within the Mats and other environmental controls In accessible loco- dwelling unit with heights between 1/4 inch and 12 inch thus. are beveled with aslope no grwterthsn 1:2.Except for designfeamres,snch us loft oran area on a different level Section 100.205(ex3)0i)requires that all covered molds- within a room(e.g.,ssunken living room),chaugesin mily dwellinpwith a building entrance on an acrosible level greater than 12inch are rampedor have otherwise' mute shall bedesiped and constructed in such a manna of access.Where a single story dwelling unit has special that all premises within covered multifamily dwelling units desip haves,all portions of the single-story unit,except contain light switches,electrical outlets,thcrmataa,end the!phonily sunken orniaedana,aeon inaccessible other environmental controls in accessible locations. route;and Guideline (a) In single-story dwelling units with lofts,all spans other 6 �,_ than the loft are on an acceuible route. Light switches,elentdW outlets,thermosanad other en- CV; vimmxnal controls would meet cession 100.205(cX3)(ii) (b) Design textures such uaunkenorNsad Malone! ifoperableparno the conirokarelocatedno higher than areas do not intemupt the sae W bin route through the 48 inches,and no lower than 15 inches,above the floor.If remainder of the dwelling unit. the mach is over an obstruction(for example,an averting- ingshelfl between 20 and 25 inches in depeb,themaxi- (3) In multistory dwelling units in buildings with elevators,the mum height is reduced to 44 inches for forward approach; story of the unit that is served by thebuildingelevator(a) or46 Inches for side approach,provided the oburmion istheprimaryentry to the unit,(b)complies with Require- (forexmple,akitchenbueeabinet)isno more than 24 menus 2 through 7 with respect to the rooms located on the inches in depth. Obstructions should not emend more than e,try/eccanibie floor,and(c)contains a bathroom or 25 inches from thewallbeneath a control.(See Fig.2.) powder mom which complies with Requirement 7. (Note: multistory dwelling units in non-elevator buildinp am not Nair covered dwelling units because,in such ores,there is no Controls or outlets that do not satisfy these speci0atiw ground floor unit.) are acoeptsbk peovided that comparable controls or owlets (Le.,that perform the same functions)are provided within (4) Except as provided in paragraphs(5)and(6)below, the same area and are amamble,in accordance with this thresholds at exterior doors,including sliding door trade, guideline for Requirement 5. arene higher than 3/4 Inch.Thresholds and changesin levclattheselocatiouatebeveledwith aslopenog rater than 1:2.