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Federal Register / Vol.M.No.44 / Wednesday,March 6,1991/Rules and Regulations 9607 Requirement 4. Accessible rents Into and thump the (5) Exterior deck,patio,or balcony surfaces are no more than covered dwelling unit. 12 inch below the floor level ofthe interior ofthe dwelling unit,unless they are constructed of impervious Section 100205(c)(3)(i)provides that all covered muldfa- material such as concrete,brki or flagstone.In etch a ae, mily dwellings with a building entrance on an accessible the surface ism more than inches below the floor level route shall be designed and constructed in such amanner of the interim of the dwelling unh,orlowerif required by that all premises within coveted multifamily dwelling Willi local building code. contain an secaasibk mute into and through the covered dwelling unit. (6) At the primary entry door to Selling units with direct Gaoling impervious scans,outride landing surfacescommrocted of impervious materials such as comets,brick or flagstone, are no more Mu la inch below the floorlevel of the Accessible routes into and through dwelling units would interior of the dwellingunit.The finished surface of this meet section 1O0305(eX3Xi)if: area that is loaned immediately outside the entry may be sloped,up to 1/8 inch per foot(12 inches),fordrainage. (1) A minimum clear width of 36 inches isprovided. do (2) In single-story dwelling units,changes in level within the stetsstetsand othere renvinnmenal controls In accgdble loop dwelling unit with heights between 1/4 inch and 12 inch thus. are beveled with*slope no pester than 1;2.Except for design features,such ass loft or an area on a different level Section l00.205(e)(3)(d)requires that all covered melds- within aroom(a.g.,asunken living room),changesin tnily dwellings with a bnidtngentrana on an accessible level greater than 12 inch are ramped or have other means mute shall be designed and constructed in such a manner ofaccess.Where a single story dwellingunit basapedal that sit premiss within covered multifmNy dwelling units design features,all portions of the single-story unit,except contain light switched,electrical outlets,thermostats,and the loftor the sunken arniaed ares,ueonanaccessible other environmental controls in accessible locations. route;and Guideline (a) In single-story dwelling units with lofts,all spaces other than the loft are on an accessible mute. Light switcha,electrical cadets.thermos W a and other pat. virommntal eommb would meet section 100.205(c)(3)(0) (b) Design features arch as auakenorraised functionalIfoperablepartsofthecontrobarelorseednobigherthan areas do not intemhpt the accessible route through the 48 inches,and no lower than 15 inches,above the floor.If remainder of the dwelling unit, the reach is over an obstruction(for example,an overhang, Ing shelf)between 20 and 25 inches in depth,the maxi- (3) In multistory dwelling units in buildings with elevators,the mum height is reduced to 44 inches for forward approach; story of the unitthatisservedby thebulldiogsievsor(a) or46 inches for side approach,provided the obsuuuion is the primary entry totheunit,(b)complieswithRequin- (forexample,a kitchen bug cabinet)is no more than24 ments 2 through 7 with respect tone rooms located on Use inches in depth. Obstructions should not extend more than enuyheautbie floor;and(c)contains a bathroom or 25 inches from the wall beneath'control.(SeeFig.2.) powder room which complies with Requitement 7. (Noe: multistory dwelling units a nonwievetor buildings ore not Neer covered dwelling units because,in such as,then is no Cmtrob oroutlets that do not:teddy these specifications ground floor unit-) me sncaptabk provided that comparable controls or mikes that(4) Except s provided in paragraphs(5)and(6)below, the same� Sodom)the same are aaasbbk,'in accordance with this thresholds at exterior door;including sliding der radar guideline for Requirement 5. are no higher than 3/4 inch.Thresholds and abuttals s level attheselocadonssmheveledwithaslopenognater than 1;2.