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ADA Standards & Codes Flashcards

(76 cards)

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1
Q

Distance from the wall to the centerline of a water closet

A

16”-18”

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2
Q

Distance from a wall partition to the centerline of a water closet in an ambulatory accessible toilet compartment

A

17”-19”

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3
Q

ICC A117.1
Accessible urinals must sit a maximum of how many inches to the top of the rim?

A

17”

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4
Q

ICC A117.1
Shelves located above an accessible work surface must no exceed

A

48”H

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5
Q

404.2.2 Clear Width

A

Door openings shall have a clear opening of 32” min

(a 36” door w a door jamb and hardware will result in a 32” clear door)

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6
Q

ADA 403.5.3 Passing Spaces

A

Accessible routes with clear widths less than 60” will:

Provide passing spaces (60”x60”) every 200 feet.

Or

Provide an intersection creating a T-shape to comply with 304.3.2. Base and arms extend 48” min beyond intersection

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7
Q

ADA 404.2.2 Clear Widths

A

door openings: clr width 32” min

Openings deeper than 24” w/o doors will have a clr opening of 36” min

Projections into clear opening width will not exceed 4” if in between 34”-80” AFF

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8
Q

Minimum STC between dwelling unit or guest room walls

Minimum IIC for floors

A

50, 50

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9
Q

how to determine minimum width of exits

A

stairways = occupant load x .3”

must not be less than IBC required codes

if 2+ exits; total width must be divided

base each exit off of individual floors

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10
Q

typical corridor widths in commercial projects

A

5’
(but can be modified based on space & foot traffic)

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11
Q

Min width for a corridor serving 50 occupants or more

A

AT LEAST 44” wide

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12
Q

Min width for a corridor serving under 50 occupants

A

36”

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13
Q

min width for corridors in schools serving 100 occupants or more

A

72”

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14
Q

Exceptions to leaving the width of a corridor unobstructed include

A
  • doors opening into a path of egress can reduce the width up to 1/2 during the course of it’s swing, but can only project into the hallway 7” max when fully open
  • handrails may reduce the width no more than 4.5” on each side
  • nonstructural horizontal projections (trim, decorative features, etc.) can project 1.5” maximum from each side
  • structural elements (light fixtures, furnishings, etc.) can project horizontally 4” max into the width at a height of 27-80”
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15
Q

when can glass be used in a 1 hr rated corridor wall

A

if it’s listed and labeled as a 3/4 hour fire protection rating

& the total area doesn’t exceed 25% of the length of the wall of said room

fire-resistance-rated glazing has no limitation of wall space (but has to be tested according to ASTM E119)

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16
Q

minimum height of egress doors

A

80”

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17
Q

width of stairways serving 50+ occupants

A

at least 44” if multiplier factor determined the required width less

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18
Q

width of stairways serving 49 or less occupants

A

36” wide
handrails can project 4.5” on each side

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19
Q

range for riser height

A

4”-7”max

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20
Q

Max riser height and min tread depth for residential occupancies serving less than 10 people

A

Riser: 7.75” max
Tread: 10” min

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21
Q

Height of top of handrails

A

34”-38” above nosing of treads

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22
Q

How far should a handrail extend pass the top riser & bottom riser

A

at least 12” on top

no less that the depth of one tread at the bottom

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23
Q

Required space between wall and handrail

A

at least 1.5”

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24
Q

Where are emergency escape and rescue openings required

A

R-2 occupancies w only 1 exit, R-3, and R-4

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25
Min openable area for escape windows
5.7 ft^2 w/ window sill at 44" max AFF Width: 20" min Height: 24" min at grade: min 5 ft^2 opening
26
min clear width for an accessible route
36" continuously 32" at a passage point
27
passage points can not be longer than..
24" long for 32" doorways any longer and opening must be at least 36"
28
min clear floor space for one stationary wheelchair
30" x 48"
29
how high can a slope of an accessible route be before being considered a ramp?
1:20 (1" rise for every 20" distance) 5%
30
Max height of threshold change between doorways
1/4" vertical change height changes between 1/4" and 1/2" must be beveled anything greater applies with ramp qualifications
31
what is required by ADA/ABA Guidelines in bathrooms where there are 6+ toilet stalls or where the combination of urinals and water closets are 6+
at least 1 ambulatory toilet stall
32
Location of toilet paper dispensers
Centerline between 7-9" in front of water closet 15-48" AFF
32
required floor space in front of a urinal
30" x 48" can overlap accessible route
32
Location of the edge of a lavatory in a residential unit
18" min from centerline of toilet
33
required toe clearance below front stall partition & at least 1 side partition
9" min
34
maximum height of a urinal rim for ADA
17" AFF
35
what type of lavatory is best when accessibility is a concern
wall hung
36
maximum height of a sink for accessibility
34"
36
height of mirrors above sinks and countertops
bottom edge no higher than 40" from floor
37
ADA drinking fountain requirements
30" x 48" clear space in front spout max 5" from front edge of unit
38
maximum pile height for ADA carpets
1/2"
39
Maximum rise for any ramp
30" before a level landing 1:12
40
Minimum landing on ramps
60" 60"^2 if changing directions
41
diameter of gripping surface per ramp handrails
1.25" to 1.5"
42
when should ramps have handrails on both sides
when the rise of the ramp is greater than 6" or length of ramp is greater than 72"
43
gripping area on handrails in stairways
1.25" to 2"
44
clear width of stairways between handrails when it is part of the exit route/accessible route
48"
45
Permanent room signage must have lettering sizing of ...
5/8" to 2" H depending on viewing distance
46
Permanent room signage characteristics (not sizing)
- uppercase lettering - sans serif or simple serif type -Grade 2 Braille - at least 6" H pictograms (if used) -eggshell matte or nonglare finish -must contrast
47
where is permanent room signage to be installed
mounted on the wall adjacent to the latch side - clear floor space of 18"x18" to center or to the right of a right-hand door (if no wall space is available) ------------------------------------------------ lowest tactile character must be 48" - 60" AFF
48
directional & information sign lettering sizes
5/8" to 3" depending on viewing distance
49
floor button height in elevators
no higher than 48" (54" if a side approach is possible & the panel serves more than 16 openings) no less than 35" AFF emergency controls grouped at bottom
50
How much space should be allocated to accessible fixed/built-in seating in public areas?
at least 5% - no less than one table
51
ADA 306 Knee & Toe Clearance
Toe Clearance: 9"H x 6" D x 30"W under a vanity : max 25" D Knee Clearance: 27" H x 11"D (min)
52
Height of an accessible toilet
17"-19" measured to the top of the seat
53
E104.2.4 Notification devices
Visible notification devices alert room occupants of incoming telephone calls, door knocks, or bells
54
Exit access corridors in nonsprinklered buildings must have a rating of
1 hr
55
IBC Section 806 Decorative Materials & Trim --- combination of combustible & non-combustible trim & decoration
10% combustible unlimited noncombustible
56
1003.4 slip resistant surface
circulation paths of the means of egress shall have slip-resistant surfaces & be securely attached
57
1011.5.4.1 Non uniform height risers
bottom/top risers reduced in height must have a distinct marking stripe on nosing
58
1012.7.1 Ramp Surface
all ramps will be made of slip resistant materials & securely attached
59
1029.12.1 Walking Surface
surface of aisles, stepped aisles, & ramp aisles shall be designed so water will not accumulate on walking surfaces
60
1005.3.1 Stairways (means of egress sizing)
OL x .3" to find out the capacity of stair ways OL varies per floor can not be less than code specified widths (1009.3.2)
61
1009.3.2 Stairway Width (accessible means of egress)
stairways shall have a clear width of 48" between handrails
62
1005.3.2 Other Egress Components
OL x .2" for other means of egress ex. hallways
63
1005.5 Distribution of Min. Width & Required Capacity
Exits shall not be too close together (diagonal rule)
64
Clear space on pull and push side of door
Pull: Min. 18" Push: Min. 12"
65
ASHRAE 62
standard that sets minimum ventilation requirements to provide safe indoor air quality in institutional, commercial, and residential buildings - Standard 62.1 Ventilation and Acceptable Indoor Air Quality - Standard 62.2 Ventilation and Acceptable Indoor Air Quality in Residential Buildings
66
(ADA) 308.2.1 Unobstructed Forward Reach
Where a forward reach is unobstructed, the high forward reach shall be 48" max and low forward reach shall be 15" min above the finish floor or ground
67
2018 IBC 1020.4 Dead End (name exceptions)
dead-end corridors shall not exceed 20 feet in length except: - in group I-3, 2, 3, or 4 ; shall not exceed 50' - equipped with an automatic sprinkler system? 50' max - shall not be limited in length where the length of the dead-end corridor is less than 2.5 times the least width of the dead-corridor
68
ANSI/BIFMA X7.1
defines the acceptance criteria for VOC emissions from furniture used in offices to be classified as a low-emitting product
69
BIFMA e3
Furniture Sustainability Standard provides measurable market-based definitions of progressively more sustainable furniture
70
NSF/ANSI 336
addresses environmental, economic, and social aspects of commercial furnishings fabric used in public occupancy settings (office, hospitality, healthcare, and institutional interiors).
71
BIFMA X5.11 and BIFMA HCF 8.2
standards for large occupants X5.11(254-400 lbs) HCF.82 (up to 600lbs)
72
ADA 811 Storage
when applying a reach over a surface exceeding 20" in depth, a maximum height of installation is 44"
73
308.2.2 Obstructed High Reach
Where a high forward reach is over an obstruction, the clear floor space shall extend beneath the element for a distance not less than the require reach depth over the obstructions. high forward reach max : 48" H reach depth: 20" D Reach depth: 21-25" max D high forward reach : 44"H

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