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52 Cards in this Set
- Front
- Back
How far can HCAP stalls be from building entries? |
100' max. |
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How far can waiting areas be from building entry? |
300' max. |
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Objects should not protrude into pedestrian pathways above a __ height |
27" (for typhlo cane to detect) |
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Max. vertical height between stair landings |
5'-0" |
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Min. stairway width |
5'-0" |
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Min. ramp width 1-way & 2-way |
1-way: 3' 2-way: 5' (6' ADA) |
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Min. ramp landing size |
5' |
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Max. ramp run |
30' |
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Min. wheelchair width (avg.) |
32"-36" |
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# 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 |
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Reg ADA accessible space Van ADA accessible space |
Reg: 5' Van: 8' |
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Min. spatial walkway for 1 person |
4' |
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Typ. spatial bubbles: -public event -shopping -normal walk -pleasure walk |
public event: 6' shopping: 9'-12' normal walk: 15'-18' pleasure walk: 35'+ |
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Most people not willing to walk more than ___' |
700' |
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Cone of vision -vertically -horizontally |
vert: 30 deg. horiz: 60 deg. |
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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) |
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Max. pedestrian longitudinal slope |
5% (0-3% preferred) [2% typ. cross slope] |
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Max. height between stairway landings |
12 risers @ 6" or 6' (5' preferred to see next landing) |
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Min. bike path width |
8'-12' |
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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.) |
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4 major street categories |
1.Freeway 2. Major arterial 3. Collector 4. Local |
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Three operating characteristics that influence roadway design: |
1. turning radius 2. acceleration 3. braking distance |
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__% or less for intersections |
3 |
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US divided into 4 climate zones: |
1. Cold 2. Temperate 3. Hot-Arid 4. Hot-Humid |
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Where to locate structure in COLD climate: |
SSW lower slope; advantage of sun and protection from winds |
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Where to locate structure in TEMPERATE climate: |
SE 'military crest'; take advantage of sun & breeze; avoid cold winds @ true crest |
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Where to locate structure in HOT-ARID climate: |
E slope base; cool air & avoid sun |
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Where to locate structure in HOT-HUMID climate: |
E top of slope; avoid harsh W sun; evaporative cooling winds w/ turbulence @ top |
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climactic variables of human comfort (3); |
1. solar radiation (68 deg-80deg) 2. air movement (.26-.6mph) 3. humidity (80%-20%) |
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Typical vertical garden clearances: |
overhead: 7-8' walkway: 5' path: 2-3' |
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Standard width of two way parking drive aisle |
24' |
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Least & most efficient parking layout |
Least: 30 deg angle Most: 90 deg angle |
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__' setback at entrances for vision |
50' |
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__ min. buffer between road & p-lot edge |
16' |
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Typ. street entry radius |
20' |
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Min. space needed for med. jungle gym |
500 sf |
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Min. space needed for open space for games |
10,000 sf |
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Min. space needed for outdoor theatre |
2,000 sf |
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Min. space needed for football/soccer field |
36,000 sf |
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Min. space needed for playground baseball field |
20,000 sf |
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Min. space needed for tennis |
7,200 sf |
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Min. space needed for basketball |
3,500 sf |
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What is the principal determinant of infiltration rate? |
Soil type |
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Minor Flood System Major Flood System |
Minor: 2, 5, 10 yr storms Major: 25, 50, 100 yr storms |
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What delivers largest load of pollutants into water bodies that receive runoff? |
erosion / sedimentation |
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What is most common cause of depletion of dissolved Oxygen? |
excessive nutrient loading into water bodies (carbon, nitrogen, phosphorous) |
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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 |
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What is desication? |
Drying of soil (tree roots are culpable) |
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Methods to prevent expansive soils |
-alternate site -excavate & replace -piers -compaction -pre-wetting -chemical additives (lime) -moisture barrier (capillary) -drainage -floating slabs |
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Playground safety measures (10) |
1.protective surfacing (12" deep) 2.fall zones (min. 6' all directions; 2x height of suspending bar) 3.equipment 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 |
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Avg. size needed for tot lot |
2,500-5,000 sf |
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Warm tones favored when illumination is ____ Cold tones favored when illumination is ____ |
Warm: low Cold: high |