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LARE SECTION 2 > PHYSICAL SITE ANALYSIS > Flashcards

PHYSICAL SITE ANALYSIS Flashcards

1
Q

Site analysis is a combination of what two site factors

A

Opportunities and constraints

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2
Q

Steep slopes, wetlands, shallow bedrock, water, and local of site access are all examples of what?

A

Unsuitable building conditions

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3
Q

Physical attributes documented during site inventory (5)

A 
Topography
Hydrology
Soils
Geology
Microclimate
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4
Q

Biological attributes documented during site inventory (3)

A

Ecological communities (plant/animal)
Vegetation
Wildlife

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5
Q

Cultural Attributes documented during site inventory

A

Land use, open space regulations, property, sensory perception, infrastructure

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6
Q

4 step design process (La Gro)

A
  1. Delineate conservation areas
  2. Delineate areas suitable for development
  3. Determine development ‘pods’ within those areas
  4. Locate the primary and secondary circulation systems
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7
Q

What three main site components are typically shown on a conceptual plan

A

Conservation areas/developed open spaces
Circulation systems
Building pods or “envelopes”

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8
Q

What should be included in a building envelope?

A

The building, parking, service areas, and landscaped pedestrian areas as required

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9
Q

5 patterns of circulation systems

A

Linear, grid, loop, radial and spiral

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10
Q

A circulation system pattern which is most appropriate for ceremonial processions

A

Spiral Pattern

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11
Q

A circulation system pattern which is best used to form intersections that can then be used as important pedestrian nodes

A

Radial pattern

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12
Q

Circulation pattern that connects a series of open spaces or other activity nodes

A

Loop pattern

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13
Q

Circulation pattern that is advantageous for ease of orientation and flexibility in route selection, typically parallel to a street network in urban areas

A

Grid pattern

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14
Q

Circulation system used in recreational corridors, may be parallel to natural features

A

Linear pattern

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15
Q

Preferred walkshed distances (in relation to transit)

A

.8 km (1/2 mile) for premium transit/rail service

.4 km (1/4 mile) for other bus services

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16
Q

Pedestrian circulation systems perform what 3 important functions

A

Access to site
Mobility within the site
Social spaces/spaces for individual activities such as reading or eating

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17
Q

William Whyte finds 4 main factors that impact social life outside

A

Seating,
Food/Entertainment
Sun/Shade
Nearby sources of people (i.e. office building)

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18
Q

What are 5 basic elements of a quality (safe, functional, convenient) pedestrian system?

A 
Separation of modes
Easy Connectivity
Adequate Capacity
Accessibility
Amenities (site furnishings, vegetation…)
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19
Q

At what block length is Neighbourhood walkability increased?

A

90-150m (300-500 ft)

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20
Q

Interconnected street networks tend to do what to traffic congestion

A

Reduce it

21
Q

3 aesthetic principles of composition

A

Unity, balance, emphasis

22
Q

Elements which enhance unity in a compositions (4)

A

Repetition
Simplicity
Rhythm
Proportion

23
Q

Repetition, simplicity, Rhythm and proportion are all examples of what principle of compositions?

A

Unity

24
Q

What principle of composition is often achieved in relation to an imaginary line or axis imposed on the ground plane?

A

Balance

25
Q

Balance in a composition is achieved by managing which two visual components?

A

Scale and weight

26
Q

Weight in a composition refers to what?

A

A symmetric or asymmetric combination of elements in relation to a point or line

27
Q

Contrast and Hierarchy within a composition are examples of what principle?

A

Emphasis

28
Q

Contrast in a composition provides what important element?

A

Interest of focal points

29
Q

Hierarchy establishes what within a composition

A

Establishes visual dominant and subordinate elements

30
Q

How is a slope analysis typically represented graphically

A

Slopes shown in classes or ranges

31
Q

James Urban’s Evaluation of Trees in Urban Environments has 7 classes of trees:

A 
1 - Excellent Condition
2 - Good Condition
3 - Fair Condition
4 - Poor Condition
5 - Very Poor Condition
6 - Replace
7 - Dead
32
Q

Liquefaction

A

A condition in which solid ground turns mushy when soils are vibrated (like in earthquakes)

33
Q

When liquefaction causes quicksand-like conditions it is typically due to which soils

A

Fine- to medium-grained sands and silts in loosely packed layers. Also in Quick clay with a high water content.

34
Q

What soil factor would provide protection from liquefaction?

A

15% or higher clay content

35
Q

Quick Clay is formed how?

A

Collecting in shallow water and later risen above sea level. Typically in northern states and Canada

36
Q

Typical Lot pattern examples

A

Grid, alley houses, Z-lots,

37
Q

Minimum required pathway width for wheel chair users

A

32”

38
Q

Formula for calculating the width of a pathway

W=V(M)/S

A 
W = the width of the pathway
V = Volume in person/minute
M = the space module or square feet allowed per person
S = walking speed in feet per minute
39
Q

sidewalk cross slope

A

1% - 3%

40
Q

Sidewalk longitudinal slope

A

3 - 5%

41
Q

Minimum Number of stairs to signal a grade change

A

3

42
Q

Minimum/Maximum stair tread height

A

4.5 inches - 7 inches

43
Q

Vertical distance between landings

A

5feet or less

44
Q

Football Field dimensions

A

170’ x 370’

45
Q

Volleyball court dimensions

A

50’ x 80’

46
Q

Soccer field dimensions

A

330’ x 179-200’

47
Q

Basketball court dimensions

A

50’ x 84-94’

48
Q

Ideal slope of a bike path

A

5% or less

LARE SECTION 2 (11 decks)

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