Accessibility Flashcards
<p>Accessible routes</p>
<p>unobstructed path that connects accessible arrival point toÂall accessible elements</p>
<p>can't be totally separate from general circulation</p>
<p>accessible route not required when there's no pedestrian route at all</p>
<p>minimum clear width 36" continuous, 32" at doors which can't exceed 24" depth, if double passage, 60" with smaller passing zones every 200ft</p>
<p>in bathrooms, a turning space is needed (60" square or 36" T, can overlap with required clear spaces</p>
<p>turnarounds in corridors must either be 48" longÂbtwn two parallel passages of 36" min, orÂ48" deep with 42" approaches</p>
<p>slope must not exceed 1:20/5%, if so, then it's officially a ramp, must meet ramp guidelines</p>
<p>Reach Range</p>
<p>forward reach: max 48" min 15"</p>
<p>depth of obstuction is 20"- max 25", then max ht is 44"</p>
<p>parallel reach: 48" max, if 10"-34" max obstruction, still 48" ht</p>
<p>Accessible doorways</p>
<p>minimum clear = 32" when 90 deg open, max depth 24" (if deeper, must be 36" wide)</p>
<p>must have adequate maneuvering clearances at operational side - for front approaches: pullÂside is 18" min, 24" preferred, with depth of 60" - pushÂside is 12" min if has a latch and closer with 48" depth</p>
<p>for doors in series, need 48" between each, with 18" clearance past doors on either side is door action is the same, 12" if door action is opposite</p>
<p>if adequate clearance not provided, must include power door operation</p>
<p>Opening force</p>
<p>cannot be more than 5 lbf-ft, unless it's a fire door/code regulated</p>
<p>must take at least 3 sec to move 3 in when closing from 70 deg</p>
<p>auto and power door operators needed when can't conform to this</p>
<p>Accessible door hardware</p>
<p>thresholds can't exceed 1/4" change in elev</p>
<p>elevation changes btwn 1/4-1/2" must be beveled, never more than 1:2 slope</p>
<p>must be easy to grasp, no round doorknobs allowed</p>
<p>mounting max ht is 48"</p>
<p>ADA Toilet stalls</p>
<p>door clearance is 32" min</p>
<p>clear floor space (wcÂcan protrude into, counted from back of wall) is 56" deep for wall mounted wcs, 59" for floor mounted wcs with 60" width</p>
<p>toilet partition must have 9" ht 6" deep toe clearance</p>
<p>grab bars at 33-36" AFF, must go to 54" deep (max 12" from wall) and 36" (12" from wall edge, 24" to room edge, max 6" from wall)Âwide</p>
<p>if door swings in, must have 36" extra added to stall</p>
<p>wc must be 16-18" away from wall</p>
<p>where six or more wcs/urinals exist, at least one 'ambulatory toilet stall' is required, with 35-37" width and two 42" side grab barsÂ(but usually made a fully accessible one)</p>
<p>side approach doors must have 42" if latch, 48" if not</p>
<p>toilet paper dispensers must allow continuous dispensing, must be btwn 7-9" in front of wc, between 15-48" AFF, with adequate grab bar clearance</p>
<p>urinals must be at least 13.5" deep, have extended lip, be max 17" AFF, have a clear space of 30x48</p>
<p>ADA Lavatories, sinks, drinking fountains</p>
<p>have to be able to get under lavatories, no sharp surfaces, pipes protected, all handles easy to operate</p>
<p>max depth of bowl is 6.5", 30x48 clear space (from wall)</p>
<p>mirrors can't be more than 40" AFF of bottom edge</p>
<p>spout can't be more than 5" from front of drinking ftn, same floor clearance</p>
<p>IBC requires one wheelchair ht, one standing ht</p>
<p>ADA Bathtubs</p>
<p>in-tub seat req, near controls, also grab bars, no enclosure tracks on tub rim, enclosure can't interfere w wheelchair transfer or operation control</p>
<p>ADA Showers</p>
<p>either 36x36 stall (seat req) or 30x60 stall (folding seat req)</p>
<p>if accessible sleeping rooms provided, min number of these stalls req</p>
<p>grab bars req</p>
<p>ADA Floors, ramps, stairs</p>
<p>stable, firm, slip-resistant, if 1/4-1/2" change, then beveled</p>
<p>if greater than 1/2" rise, is a ramp</p>
<p>ramps cannot exceed 1:12 slope, 30"Âtotal (or 1:10 is 6" total, 1:8 if 3" total)</p>
<p>min clear is 36"</p>
<p>landings at least 60 in long, square if change of direction</p>
<p>6"+ rise or 72" lengths, handrails req, at 34-38" AFF, 12" past ends, rails of 1.25-1.5" diameter (unless adj to assembly seating)</p>
<p>stairs: max riser ht is 7", min tread is 11", no open risers, smooth nosing undersides, must have contrasting stripes at leading edge</p>
<p>handrails at least 1.5" from wall, btwn 1.25-2" diameter at 34-38" AFF (nosing)</p>
<p>if bldg isn't sprinklered, clear width is 48"</p>
<p>areas of refuge req for temp waiting for non-stair ppl, must have 30x48 for each 200 occupants (not req in sprinklered bldgs)</p>
<p>Protruding objects and detectable surfaces</p>
<p>if moreÂthan 27" AFF,Âcan only be 4" max from wall</p>
<p>if less than 27" AFF, can be any depth as long as clear widths maintained</p>
<p>must have head space of 80" min, or else guardrail req</p>
<p>truncated 0.2 at 1.6-2.4" o.c. square patternedÂdomes that warn of hazard, 24" width at passenger transit platforms</p>
<p>ADA Signage and alarms</p>
<p>alarms must be both visual and auditory, must be at least 15 dB ab. normal sound, visual must flashÂat 1 Hz</p>
<p>permanent rooms must be id w letters 5/8" to 2" high, raised 1/32" from surface, all caps, sans or simple serif w Grade 2 Braille</p>
<p>signs btwn 48"/bottom - 60"/top</p>
<p>all pictograms at least 6" high w verbal description below</p>
<p>signs must be non-glare/eggshell surfaces, background must contrast</p>
<p>signs mounted adjacent to latch side wÂ18x18 clear space outside of door swing or directly to right/left (match door swing)</p>
<p>direction sign letter from 5/8" to 3", lower case allowed</p>
<p>ADA symbol req at ADA parking spaces, passenger loading, entrances, and toilets, bathing, when not all are accessible</p>
<p>ADA Telephones</p>
<p>if public telephones provided, at least one per floor must be ADA, at least one per bank</p>
<p>if 4 or more telephones, one must be a TTD (text telephone)</p>
<p>must use deafness ADA symbol for phones or assistive listening sytems,Â</p>
<p>27" max bottom, 48" max top, with clear space of 30x48</p>
<p>ADA Seating</p>
<p>fixed/built in seating: 5% and no fewer than one must be ADA (either fold down arms or no seat/for wheelchair w companion seat)</p>
<p>must be near accessible paths of travel, must be in all the use types, pay area, lines of sight, etc. (unless non-feasible in a remodel)Âand be marked w sign</p>
<p>ADA Elevators</p>
<p>hall lantern at 72" min, side floor designation sign at 60", call buttons at 48" max</p>
<p>hall lantern must be visible and audible</p>
<p>interior buttons max 48", unless side approac, 54" ok, all emergency buttons all at bottom of panel, no less than 35" AFF</p>
