Barrier-Free Design

Question	Answer
1) ADA isn't a national bldg code, rather a law in 1990, so it isn't enforced by: 2) ADA is a four-title civil rights law, which title most affects designer? 3) multifam housing is regulated by: 4) some federal bldgs are regulated by: 5) all ^abv follow most of std.'s set forth in:	1) inspections, owners must comply or be liable for civil suits 2) Title III 3) the federal Fair Housing Act 4) the Uniform Federal Accessibility Std.'s 5) ICC/ANSI Std. 117.1 Accessible & Usable Buildings & Facilities
1) when is the only time an accessible route is not req'd btwn accessible bldgs/ facilities/ elements/ spaces? 2) req'd width for stationary wheelchair: 3) options for a wheelchair to make a 180deg turn:	1) if the only means of access btwn is a vehicular way not providing ped. access 2) 30" x 48" 3) either a 60" dia turning circle or T-shape w/ 36" aisles in both directions
1) what is the min clr width for an accessible route? 2) clr width at a passage pt like a door? 3) min passaged width for 2 wheelchairs? 4) if route is 60"< 5) in toilet rooms, can turning space overlap req'd clr flr space at fixture & ctrls & accessible route?	1) 36" continuously 2) 32" w/ a max 24" length of passage 3) 60" 4) passing spaces 60"x60" must be prvd at intervals not to exceed 200ft 5) yes
1) see fig.15.3 for 180deg turns in corridor or around obstructions 2) an accessible route can have a slope of: 3) when forward reach range is unobstructed, the high & low reach is: 4) when forward reach is obstructed:	2) 1:20 (1" rise for every 20" distance) or 5% -slope greater must meet ramp req's 3) 48" high & 15" low 4) 44" max for obstructions over 20" up to 25"
1) side reach w/ clr flr space & parallel approach: 2) side reach w/ obstruction that has max depth of 10" & max height of 34": 3) min width of door opened to 90deg & max depth of opening: 4) clr space req'd btwn 2 doors in front of one another Fig.15.6	1) side reach max 48" 2) still side reach max of 48" 3) 32" w/ max depth of 24" opening, otherwise width must increase to 36" 4) 48"
1) max opening force req'd to push/pull open interior hinged doors: 2) w/ a closer used, sweep period of door from open 70deg position takes how long to reach 3" from latch? 3) a doorway threshold can't exceed (__) vert change in elevation	1) cannot be more than 5lbf-ft 2) takes at least 3 seconds 3) 1/4" *review Fig15.5
1) for doorway thresholds, ea. 1/4" vert change in elev must be made over a horiz. distance of at least (__) 2) hdwr for accessible doors must not be mounted more than: 3) acceptable hdwr includes:	1) 1/2" so can't slope more than 1 vert unit for ea. 2 horiz. units 2) 48" abv finished flr 3) levers, push mechanisms, U-shaped handles, no round doorknobs
*see Fig15.7 for std. toilet stall dims 1) grab bars must be mounted AFF: 2) when must a min of 1 ambulatory stall be included? (Fig15.8) 3) for all toilet stalls, min clearance depth depends on: 4) all stalls must have toe clearance of:	1) 33"-36" 2) where 6 or more toilet stalls occur or combo of urinals & WC's totals 6 or more fixtures 3) if a wall-hung or floor-mtd water closet is used in the stall 4) 9" min in front & 6" min at sides
1) in resi units, how far can the edge of a lavatory be located from toilet C.L.? 2) if toilet stalls aren't used, how far is toilet C.L. from wall? 3) what accompanies a toilet on the walls 4) what's the size of the clr flr space at toilet?	1) min of 18" 2) 16" - 18" 3) grab bars at back & side walls 4) min 60" wide & min 56" depth (Fig.15.9)
1) how far should toilet paper dispensers be in front of toilet? 2) ^ how high abv the flr? 3) ^ dispensers must allow for: 4) urinals must be how high abv flr & what min depth?	1) 7" min & 9" max to C.L. 2) btwn 15" & 48", & if abv grab bar 12" req'd abv top of bar & outlet, & if blw 1-1/2" req'd btwn btm of bar & top of dispenser 3) cont. paper delivery, not ctrl'd 4) 17" abv flr & min depth of 13-1/2"
1) what is clr flr space in front of urinal 2) *see Fig15.10 for lavatories, what is the best type to use for accessibility? 3) what is req'd under a wall-hung lav? 4) what type of operably faucets are ok?	1) 30" x 48" & it can overlap an accessible route 2) wall-hung lavatories 3) exposed pipes must be insulated & no sharp surfaces 4) can be operable w/ one hand & doesn't req tight grasping, pinching, twisting of wrist so lever, push-type, & automatic are acceptable
1) how high should mirrors be mtd? 2) req's & clr flr space req's are same for sinks as lavs, but what is max sink bowl depth? 3) how many drinking fountains are typ req'd? 4) what is spout distance from front edge of unit?	1) w/ the btm edge of reflective surface max 40" from flr 2) 6-1/2" 3) 2 - one for ppl standing & one for ppl in wheelchair (see Fig15.11) 4) 5" max
1) see Fig15.12 for bathtubs, what must be prvd in a tub? 2) see Fig15.13 for showers, when are showers req'd? 3) what is req'd in the showers?	1) an in-tub seat or seat at head of the tub, grab bars, & no enclosure tracks can be mtd on rim of tub 2) when facilities w/ accessible sleeping rooms are prvd, a min # of rooms w/ roll-in showers is needed b/c of ADA or Fair Housing Act 3) a seat if using smaller shower config. or folding seat for larger config. if permanent seat is prvd, & grab bars 33"-36" AFF
1) floor surfaces must be firm & slip resistant, & if a change in level <1/4": 2) change btwn 1/4"-1/2" then: 3) changes >1/2" : 4) if carpet is used, it needs trim along all exposed edges, securely attached to flr, & the pile should:	1) it can be vert & w/out edge treatment 2) it must be beveled w/ a slope no greater than 1:2 (1/2" rise to 1" of length) 3) must be accomplished w/ a ramp meeting those req's 4) have firm cushion or backing, or none but w/ level loop, & max pile ht of 1/2"
1) always use the least possible slope for a ramp, but what is the max slope? 2) what is the max rise/ height up for a ramp? 3) sometimes a 1:10 slope must/can be used if the max rise doesn't exceed: 4) when a 1:8 slope is permitted, max rise:	1) 1:12 (1" rise for every 12" run) 2) 30", otherwise a req'd level landing is needed before next ramp is encountered 3) 6" 4) 3"
1) what is the min width of a ramp? 2) what is size of landings? 3) what is the min length of a landing? 4) what is the min dim. of landing if ramp changes direction? 5) when must a ramp have handrails? 6) what is height of handrail from ramp, what is handrail dia., & extension length?	1) 36" 2) wide as the widest ramp leading to it 3) 60" 4) 60" square 5) ramps w/ rises greater than 6" or lengths of 72" 6) 34"-38" / 1-1/4" to 1-1/2" / handrails should extend 12" bynd top & btm of ramp
1) max riser height of stair? 2) min tread of stair? 3) are open risers permitted? 4) what is req'd at the top & btm tread stair nosings? 5) as stairs change direction, the handrails must remain:	1) 7" 2) 11" *see Fig14.8 3) no 4) contrasting strips 5) continuous on both sides, otherwise it should extend 12" at top & 12"+tread width at btm
1) how high is the top of handrail gripping surface abv stair nosings? 2) what is the handrail dia. at stairs: 3) how far away from a wall should handrail be? 4) what is the clr width btwn handrails when a stairway is part of an accessible route in a NS bldg (not houses tho)?	1) 34"-38" 2) 1-1/4"-2" 3) 1-1/2" 4) 48"
1) what is an area of refuge? 2) typ there must be an area of refuge w/in a flr level landing for a stairway to be considered: 3) ea. area of refuge must accommodate a wheelchair space of: 4) when is an area of refuge not req'd?	1) an area where ppl unable to use stairways can remain temporarily while waiting for assistance 2) part of an accessible means of egress 3) 30" x 48" for ea. 200 occupants 4) if a bldg is equipped w/ an auto sprinkler
1) protruding objects btwn (__)in. to (__)in. cannot project more than 4in. max 2) if protruding objects in a passage occur: 3) protruding objects cannot reduce clr width req'd for: 4) if vert clearance of area adj to accessible route is reduced to less than 80", what must be prvd?	1) 27" - 80" 2) min passage width must be maintained 3) an accessible route or maneuvering space 4) a guardrail or barrier, ex: clr flr space blw a stairway, barrier needed at pt where underside of stair is 80"<
1) what is a detectable warning? 2) what ^ are they made up of? 3) where are they req'd to be located?	1) a surface feature built in or applied to a walking surface to warn of hazards on a circulation path 2) truncated domes 0.2" high, spaced 1.6"-2.4" O.C. in sq grid 3) typ are 24" wide at passenger transit platform edges where there's no guard, otherwise depends on local reg's., ANSI Standard A117.1 prvd's no scope stating where it's precisely req'd
1) emergency warning systems that prvd what are req'd? 2) audible alarms must produce: 3) visual alarms must be: 4) ADA req's certain accessible rooms & features be clearly identified w/:	1) visual & audible alarms 2) a sound that exceeds sound level in rm by at least 15dB 3) flashing lights that have flashing frequency of 1Hz (1 cycle per sec) 4) the symbol for accessibility
ACCESSIBILITY SIGNS 1) permanent rms must be identified 2) lettering from 5/8"-2" high, raised1/32" abv surface & all uppercase in sans serif 3) txt to be accompanied by Grade 2 Braille 4) pictograms must be min 6" high & have verbal description blw it	5) signs to be eggshell matte or nonclare w/ characters contrasting 6) signs mtd on wall adj to latch of dr so min clr flr space of 18"x18" is centered on letters & bynd arc of dr swing 7) mounting ht to baseline of lowest txt to be min 48" & 60" max to base of highest txt
ACCESSIBILITY SIGNS 8) when no wall space is at latch side of dr, sign to be placed to right of the right-hand door 9) directional & info signs must have lettering 5/8"-3" high (depending on viewing distance)	10) #9-contrast & finish req's same 11) #9-lettering can be upper/lowercase 12) international acc. symbol is req'd on pkg spaces, passenger loading zones, acc. entrances, toilet & bathing facilities when not all are accessible 13) bldg directories & temp signs don't have to comply
1) if public telephones are prvd, how many are req'd per floor? 2) if 2 or more banks of telephones, how many telephones must conform to ADA 3) when 4 or more public pay tele's are prvd, what is req'd?	1) one 2) there must be at least one conforming telephone per bank 3) one interior public text tele (telecommunication device for the deaf "TDD")
1) accessible telephones can be designed for front or side access, what is req'd clr flr space? 2) how high should highest req'd pushbutton or coin slot be? 3) identification for location of what type of tele is req'd? 4) what must volume ctrl tele's have?	1) 30" x 48" see Fig15.16 2) 48" 3) international TDD (telecommunication device for the deaf) 4) a sign depicting a tele handset w/ radiating sound waves
1) in assembly areas perm. installed assistive listening systems must display: 2) w/ fixed or built-in seating or tables in public common-use areas, how much must be accessible? 3) in assembly w/ fixed seating, min # of wheelchair locations is:	1) the international symbol of access for hearing loss Fig15.17 2) 5% min and no fewer than one seating, & in new const. accessible tables should be dispersed Fig15.18 3) given in Table 15.1
FIXED SEATING WHEELCHAIR REQ'S 1) min 5% of total # of aisle seats must be located closest to accessible routes & have removable/ folding armrests on aisle side 2) aisle seat must have sign/ marker 3) min one companion seat prvd next to wheelchair seat	4) ea. W.C. area must adjoin an accessible route serving a means of emergency egress 5) lines of site must be designed so ppl in W.C. can see over heads of ppl standing in row immediately in front 6) W.C. areas can be clustered w/ companion seats if it's not feasible to disperse them (in remodels)
1) ADA req's elev signals to be located: 2) hall lanterns must prvd: 3) inside the elev car, flr buttons AFF are: 4) when can in-car buttons AFF be 54" 5) emergency ctrls must be grouped at btm of panel w/ C.L. of group min (__)" AFF.	1) see Fig15.19, hall lantern min 72" AFF, flr designations on side of entrance w/ braille at 60", call button a max of 48" 2) a visual and audible signal 3) max of 48" 4) when side approach is possible & elev panel serves more than 16 openings 5) 35"

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	Created by Kara Biczykowski almost 2 years ago