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52 Cards in this Set

  • Front
  • Back

How far can HCAP stalls be from building entries?

100' max.

How far can waiting areas be from building entry?

300' max.

Objects should not protrude into pedestrian pathways above a __ height

27" (for typhlo cane to detect)

Max. vertical height between stair landings


Min. stairway width


Min. ramp width 1-way & 2-way

1-way: 3'

2-way: 5' (6' ADA)

Min. ramp landing size


Max. ramp run


Min. wheelchair width (avg.)


# of ADA parking stalls req.

Total parking ADA spaces

1-25 1

26-50 2

51-75 3

76-100 4

101-150 5

151-200 6

201-300 7

301-400 8

401-500 9

501-1000 2% total

1001+ 20 + 1 for

each 100 over 1000

Reg ADA accessible space

Van ADA accessible space

Reg: 5'

Van: 8'

Min. spatial walkway for 1 person


Typ. spatial bubbles:

-public event


-normal walk

-pleasure walk

public event: 6'

shopping: 9'-12'

normal walk: 15'-18'

pleasure walk: 35'+

Most people not willing to walk more than ___'


Cone of vision



vert: 30 deg.

horiz: 60 deg.

External enclosure is most comfortable when the vertical planes are __ to __ as high as the wdith of the space enclosed

1/2 - 1/3

(below 1/4 space feel less enclosed)

Max. pedestrian longitudinal slope


(0-3% preferred)

[2% typ. cross slope]

Max. height between stairway landings

12 risers @ 6" or 6'

(5' preferred to see next landing)

Min. bike path width


Route selection for Bike Paths

1. Bike traffic generators (destinations)

2. Scenic / Rec. Amenities

3. Terrain

4. Continuity

5. Width

6. Negative factors (freeways, embankments, etc.)

4 major street categories


2. Major arterial

3. Collector

4. Local

Three operating characteristics that influence roadway design:

1. turning radius

2. acceleration

3. braking distance

__% or less for intersections


US divided into 4 climate zones:

1. Cold

2. Temperate

3. Hot-Arid

4. Hot-Humid

Where to locate structure in COLD climate:

SSW lower slope; advantage of sun and protection from winds

Where to locate structure in TEMPERATE climate:

SE 'military crest'; take advantage of sun & breeze; avoid cold winds @ true crest

Where to locate structure in HOT-ARID climate:

E slope base; cool air & avoid sun

Where to locate structure in HOT-HUMID climate:

E top of slope; avoid harsh W sun; evaporative cooling winds w/ turbulence @ top

climactic variables of human comfort (3);

1. solar radiation (68 deg-80deg)

2. air movement (.26-.6mph)

3. humidity (80%-20%)

Typical vertical garden clearances:

overhead: 7-8'

walkway: 5'

path: 2-3'

Standard width of two way parking drive aisle


Least & most efficient parking layout

Least: 30 deg angle

Most: 90 deg angle

__' setback at entrances for vision


__ min. buffer between road & p-lot edge


Typ. street entry radius


Min. space needed for med. jungle gym

500 sf

Min. space needed for open space for games

10,000 sf

Min. space needed for outdoor theatre

2,000 sf

Min. space needed for football/soccer field

36,000 sf

Min. space needed for playground baseball field

20,000 sf

Min. space needed for tennis

7,200 sf

Min. space needed for basketball

3,500 sf

What is the principal determinant of infiltration rate?

Soil type

Minor Flood System

Major Flood System

Minor: 2, 5, 10 yr storms

Major: 25, 50, 100 yr storms

What delivers largest load of pollutants into water bodies that receive runoff?

erosion / sedimentation

What is most common cause of depletion of dissolved Oxygen?

excessive nutrient loading into water bodies

(carbon, nitrogen, phosphorous)

SD phase for stormwater management

-slow runoff design to pre-development conditions (prevent sedimentation/erosion)

-infiltration strategies to mitigate the loss of pervious surface / minimize impervious surfaces

-fit development into terrain, away from drainageways, steep slopes, complex plants, porous soil

-use natural drainage systems

What is desication?

Drying of soil

(tree roots are culpable)

Methods to prevent expansive soils

-alternate site

-excavate & replace




-chemical additives (lime)

-moisture barrier (capillary)


-floating slabs

Playground safety measures (10)

1.protective surfacing (12" deep)

2.fall zones (min. 6' all directions; 2x height of suspending bar) spacing (12' apart)

4. Catch points/portruding hardware

5.openings that can trap (must be less than 3.5"; more than 9")

6. pinch, crush, shear, sharp

7. tripping

8. guardrails

9. routine maintenance

10. supervision

Avg. size needed for tot lot

2,500-5,000 sf

Warm tones favored when illumination is ____

Cold tones favored when illumination is ____

Warm: low

Cold: high