Lecture 3: Accessibility Flashcards by Jordan Novak

figural space

figure/ground relationship
occupied vs. unoccupied space
positive vs. negative space

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poche

viewed in plans, figural void, see how it looks

- a way to articulate space

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interstitial space

space between two defined spaces

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gray space

frequently unused spaces, forgotten space

ex. under stairs

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layered space

making smaller spaces appear larger and more interesting through connections

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universal space

completely open space within building with multiple purposes

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space within a space

helps to define a space

ex. soffit, awning

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effect of a window

makes area feel bigger and creates view

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enfilade

series of rooms with doors in line with each other, travel room to room to room
ex. museums

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atrium

large open space located within a building, provides light and ventilation, links spaces together

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primary datum

organize space
vertical element
what is that line connecting spaces

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socialpetal space

design to bring people together

ex. arrangement of furniture

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socialfugal space

design to discourage interaction and social contact

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NFPA

National Fire Protection Association

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IBC

international building code

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Americans with Disabilities Act

rights and laws protecting people with disabilities

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What are the two code components?

occupancy (construction, floor area, height)

2. exit egress (fire protection, fire extinguishing)

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occupancy type: A

assembly

ex. recreation center, church, theater, restaurant

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occupancy type: B

business

ex. universities, offices

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occupancy type: E

education (K-12)

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occupancy type: I

institutional

ex. nursing home, hospital, mental health institutes, prison/jail

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occupancy type: M

mercantile

ex. retail

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occupancy type: R

residential

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What two things are required in a bedroom?

window

2. closet

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construction types

Type I (lightly protected) - Type V (unprotected)

system

continuous unobstructed path of vertical and horizontal egress travel from any point in building/structure

rated walls

how long it takes to burn in a fire

The number of required exits is dependent on:

occupancy occupant load limitations

exit access

portion of egress that leads to exit, could be anywhere

exit

protected path, non-combustible material

exit discharge

between termination of exit and the public

exit doors

- must swing in to path of travel | - must not swing into a required path of travel, such as a corridor

occupancy of ______ people require multiple exits

50+ | must be placed a distance apart equal to half of the diagonal distance of the room

stair width

occupant load 50+ people: at least 44" | occupant load

minimum tread width

11"

maximum riser height

7-7.5"

handrail distance from wall

4.5" on each side

handrail height

34-38"

Baluster clearance (child's head)

nosing length

1" minimum (helps not trip)

head room

6'0" minimum

all stairwells with ____ risers must have a handrail that is continuous for entire stair length

maximum handrail size

1.25-2"

minimum residential stair width

36"

minimum commercial stair width

44"

ramp landing every ____ ft. (place of rest)

ramp: 1 foot raise = _________

12 feet long

drawing stairs: break lines ____ cut going up

What to include when drawing stairs:

- handrail - treads - landings - entrance - break lines

How to determine the maximum number of treads and risers:

- must know vertical dimension between floor levels - always one treas fewer than the number of risers because you start on the ground - 7/11 - always round up

corridors

try to avoid dead end corridors - 20'

accessible route

someone in a wheelchair can go through

wheelchair passage

minimum 60" for 2 wheelchairs | no more than 200 ft

minimum turn around for wheelchair

36"

passageway for wheelchair

32"

wheelchair passage point cannot be more than ____ feet

200

wheelchair minimum floor clear space

30" by 48"

wheelchair: ___ diameter circle for turning 180 degrees

60"

door clearance for wheelchair:

12" push side of door | 18" pull side of door

wheelchair: maximum threshold height

1/2"

toilet room: ___ wheelchair turning radius

wheelchair toilet stalls width

32"

grab bar height

33"-36"

toilet must be ____ from wall

18"

faucets must be operable with _________

one hand

wheelchair mirrors

- angled down | - mounted lower

wheelchair floors slip resistant

- no level changes less than 1/4" | - firm/no cushion in carpeting

ramps: ____ before landing is required

30"

minimum clearing width for ramps

36"

ramp handrail height

mounted 32"-38" on both sides

ADA signage: seating

at least 5% has to be accessible for those in wheelchairs

interior is ____ more polluted than outisde

10-50 times