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LARE Section 3 Flashcards

(347 cards)

1
Q

Floodway

A

area of the floodplain which is used to convey floodwater under 100 year flood

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2
Q

Ground heave

A

upward movement of the ground (usually associated with the clay soil expansion which swells when wet)

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3
Q

4 types of bikeways:

A

Bicycle Paths (8-12 ft)
Bicycle Lanes (5-6ft)

Ideally used on only low-speed, low-traffic streets:
Wide Outside Lanes (14ft)
- located on the right side of traffic and are intended to be shared with vehicles

Shared Roadways
-bicycles are treated as cars

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4
Q

Noise Barriers:

A
  • Distance (should be constructed as close as possible to the source)
  • Height (at minimum, barriers should be built to a height such that they block the line between source and receiver)
  • Continuity ( Single, continuous barrier more efficient than multiple)
  • Length (should generally be 1-2 times the distance between source and the barrier to minimise sound diffraction)
  • Mass (Greater mass- better protection)

Surface texture impacts noise diffraction (smooth deflects more)
Vegetation make relatively poor barrier

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5
Q

Opinion of probable costs:

A
  • used for construction estimates produced by designer
  • Based on quantity, details, specifications
  • Not authoritative, not for biding
  • Produced early in the lifecycle of the project
  • Will include contingency (5-10%, up to 20%)
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6
Q

Roadways and Topography

A

Parallel to the contours
+ Easy access between roads and buildings
- buildings disrupt natural drainage pattern

Perpendicular to the contours
+ Building orientation is more conducive to the natural drainage patterns
- steep roads
- awkward between roads and buildings
-costly grade changes may be required between buildings

Diagonal across contours
+ efficient storm drainage design
+ good access between the road and buildings
+ gradients less steep
+ least amount of landscape disturbance

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7
Q

Contingent liability (Условное обязательство)

A

an injured 3r party is not affected by a contract between 2 parties. Example: passerby is injured by a contractor working on an owners project, the passerby can sue the owner even of contractor is directly responsible. It is because the owner owns the site and project and passerby does not have to understand the contractual relationships to take legal action

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8
Q

Low Impact Development (LID)

A

LID is a sustainable stormwater management strategy. It emphasises holistic approach to site design and overall sustainable design to manage storm water at its source and collect rainwater for secondary use.

LID promotes a decentralised system that distributes storm water across a project site in order to replenish groundwater supplies.
Of particular concern are the rate of storm water runoff, the pollutants in the water, and recharge of water into the ground.

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9
Q

Environmental Impact Statements (EIS)

A

For large projects having a noticeable impact on the environment
National Environmental Policy Act (NEPA): Uses federal funding

Purpose: to enlarge body of fact and opinion that decision-makers have at their disposal. Typically occurs immediately after the Master Plan stage.

Goals: expose predictions, invite scrutiny & competing opinion

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10
Q

“Convener-picked” def

A

convener/person/party who organizes the public participation process select stakeholders

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11
Q

Basis of Design BOD

A

submitted at the schematic design SD phase, updated through the DD and CD

BOD - a set of documents used to formally establish a project’s design intent and used to evaluate conformance to the desired design. Make sure that projects fulfil desired functional, aesthetic, and environmental goals while being feasible, safe and cost-effective.

can include geotechnical report, budget, schedule info and other

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12
Q

Backflow preventer

A

Backflow preventer - placed at the very beginning of the irrigation system and used to protect potable water supplies from contamination or pollution due to backflow. It allows potable water into irrigation systems, but prevent from re-entering the water source

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13
Q

Pre-Design Goals and Activities:

A

Execute a contract for design services
Conduct client and user interviews
Prepare a detailed site base plan
Soils and geotechnical report
Initial project program
Code review (laws, rules, regulations)
Determine process for review and approval
Coordinate with the client estimated construction budget
Project work plan, share it with team

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14
Q

Regional Park amenities

A
  • Designed to serve multiple municipalities
  • Thousands of acres
  • Cross multiple political boundaries
  • Typically oriented around significant natural resource
  • Amenities correspond to assets within the park
  • Connections to major transportation network
  • Integration into regional multi-user trail
  • Amenities necessary for day use (restrooms, seating area, water fountains)
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15
Q

Functional Use Diagrams

A

the relationship between project elements

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16
Q

Quantities, Cost Estimates

A

Linear Feet - for linear elements (PVC, steel header, curb), cross section of this materials remains consistent

Square Feet - for fixed hardscape elements (brick, pavers, concrete)

Cubic Feet/ cubic yards - loose project materials with 3d qualities, like soil, gravel, mulch, Usually used for structural purposes and not for finish quality. Tend to be inexpensive.

Tonnage - usually used to measure stones and boulders, because they are heavy, have irregular shape, weight remains consistent regardless of weather

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17
Q

Woonerf

A

type of roadway design originally from the Netherlands, in which traffic calming measures, low-speed limits, and shared space between different road users are provided to increase safety within the right-of-way

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18
Q

Parks, open space and trails master plan can address

A

Transportation
Culture
History
Scenic
Urban Design
Environment
Recreation

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19
Q

Planned Unit Development (PUD)

A

Rezoned special districts, controlled by one entity and planned and developed as single development over a long period of time (5-15 years)

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20
Q

Statue of Limitations

A

the max time after the event when legal action may be initiated against another party. In LA it is usually 6-10 years.

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21
Q

Wetland Mitigation Strategies:

A
  • A clear statement of the objectives of the mitigation
  • An assessment of the wetland values or resources that will be lost and that will be replaced
  • A statement of the location, elevation, and hydrology of the new site
  • A description of what will be planted where and when
  • A monitoring and maintenance plan
  • A contingency plan
  • A guarantee that the work will be performed as planned and approved.
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22
Q

Multi-Modal Transportation Plan contain:

A

Executive summary, goals, objectives
Descripton of planning and public outreach strategy
Exisitn g conditions
Summary of transportation needs
Projections of future conditions
Develop scenarios to meet future conditions
Cost implications, funding sources
Implementation [la, performance monitoring

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23
Q

Habitat:

A

-Avoid habitat fragmentation to preserve biodiversity
-Riparian corridors, wetland areas, large continuous areas - highest priority for protection
-Existing corridors require protection to maintain ecosystem connectivity and biodiversity
-Habitat restoration is most effective when addresses gaps in existing corridors
-Many animal species need more than 1 habitat type for different life cycles

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24
Q

Economic Goals:

A

Attract investment
Drive tourism
Increase property value
Attract skilled workers
Reduce commuting times
Promote Efficient land use

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25
Land Use plan
is the regulation of the land uses, with the goal of preventing conflicts.
26
Roadway Patterns
Grid Grid and Squares Web Radial Curvilinear, Irregular
27
Land-Use plans
Describe future possibilities for development within a defined planning area (neighborhood, district, city, etc) Located within a larger comprehensive plan. Primary purpose: regulation of land uses.
28
Building Location
Health, safety, welfare #1 Minimizing development Impacts Building Location - Orient with respect to topography and minimize the grading - Preserve existing vegetation - Locate near the site entry to minimize road length - Primary entry along the major pedestrian pathway - Primary entry on the south side (SSE and SSW the ideal) - Commercial buildings are especially sensitive to building location. Since it will affect the success of a business. - Locate buildings on previously disturbed sites
29
Noise Control Principles
* The closer the sound control measure is placed to the sound source, the more effective it will be. * Sound control measures must be solid to be effective. * Wood walls should be tongue & groove * Gaps must be avoided * Massive structures will tend to absorb sound better than lighter ones * Concrete and masonry are superior to metals * Softer materials (earth) will reflect less sound and absorb more.`
30
Reasons for selecting stakeholders:
Jurisdiction over an Issue (power to make decisions) Particular Information or Knowledge base Party to an Actual or Potential Conflict Connected to community networks
31
Traffic calming measures
Speed bump Raised crosswalk Speed table ( long enough so both wheels to be on top) Raised intersection (covers entire intersection) Neckdowns/ Bilbouts (curv extensions at intersections) Traffic circle (raised island located at an intersection) Roundabout Choker (used at midblocks) Realighned intersection (used at T intersection) Textured surface (ususally used in combination with other traffic measures) Center island narrowing Chicane (prevent cut-through driving down the centerline) Woonerf - type of roadway design (from Netherlands) in which traffic calming measures, low speed limits and shared space between roadway users are provided to increase safety within right-of way.
32
Paving Patterns:
Running bond Stack bond Herringbone Basketweave
33
View Corridor Plan
To protect or control viewshed of a specific area. Viewshed defined vyL topography, structures, vegetation, road, trail, park, historik landmark. It is based upon: - A MP or doc that describes the community supports for viewshed protection - Surveying public opinions and perceptions regarding scenic quality and preferences - Visual inventory and assessment process for the viewshed in question - Enforcement mechanism to protect the viewshed (building height limitations, setbacks etc)
34
Urban Plans:
Similar to comprehensive plans. However urban plans typically use 3D design drawings. They address a greater degree of spatial complexity and they are used to: - create a holistic vision for the future - develop implementation strategies for proposed and other short- and long-range initiatives - improve design quality across a specific district - market a specific district to development interests - Facilitate compromise between competing interest
35
Permitting Process
Land Purchase **Parcel Map Approval** (Planning Department and Country Accessor) Stakeholder outreach and Master Plan SD **Planning Approval** (City Council and Planning Department) DD CD **Building Permit** (Building Department: Fire Marshall, traffic engineering, dept of public works, county health dept, Water Boards and Utilities, Groundbreaking CA Final signoffs - **occupancy permit** (by building inspector) Completion and Occupancy Post Occupancy Evaluation all projects greater than 1 acre need a **general permit** through the NPDES (national pollutants discharge elimination system) Sun program to the Clean Water Act, which is focused on reducing non point source pollution, including storm water.
36
Landscape performance metrics
measure of effectiveness with which landscape solutions fulfil their intended purpose and contribute to sustainability.
37
Bicycle Circulation
Bicycle Paths: 8-12 ft Dedicated lanes, separated from vehicles by open space or barriers within existing roadway Max 2% cross slope, 1.5% ideal Typically paved with asphalt (concrete is more expensive, gravel is less durable, and concrete joints create disruptions) Bicycle Lanes A portion of a larger roadway is designated for bicycles. Delineated by signs, markings, textured strips 5-6 ft Wide Outside Lanes Right side of traffic 14 ft Shared Roadways Most Dangerous Signage to indicate bicycle usage May impede traffic flow
38
Road Classification
Principal Arterial (highways, controlled access highways, a large amount of traffic) Minor Arterial (continuous routes through urban areas, major commercial and institutional uses will be located along the minor arterial. Residential sites do not typically have direct access to minor arterial) Collector (link traffic from numerous local streets to minor arterial. Some residential sites will have access to local roads) Local (short, numerous traffic control devices, low-speed, 90% of all streets in US, 10%of traffic volume)
39
Parkways
- linear parks that also serve as a transportation corridor within city - between 200 to 1000 ft in width -
40
Tools for Economic Development Plan (Redevelopment Plan)
* Setting aside land for business or industry through zoning, remediation, or other means * Underwriting risks for developers, making the project more attractive * Providing amenities and infrastucture through capital improvement (bonds, public funded projects) * Creating an economic development team or department to provide ongoing support * Promoting existing quality of life amenities that might attract new development * Attracting ‘creatives’ to encourage a diverse cultural scene * Establishing a joint economic development zone where developers can have special support * Providing job training * Refining regulations to streamline approvals * Establishing business-retention programs * Adopting design guidelines for commercial, industrial and institutional areas
41
ADA basics:
- ADA-accessible parking should be located as close as possible to the building entrance - all ADA accessible routes should be continuous and free of obstructions - all ADA accessible routes should follow the general pedestrian path to the greatest extent as possible - the primary spaces of a site should be ADA accessible (parking, entrances, buildings)
42
Needs Assessment
Used during the development of master plan or at the very beginning of the design process They are used in order to understand what a specific population believes they are lacking. Needs Assessment include: Identification of target population for the study Determining which survey techniques to use Development of the content for public meetings Collecting data through surveys and meetings Interpreting data
43
Cluster Development
Do not increase development density on a site, preserving open space. Benefits of cluster development: Preservation of open space and site character Protection of natural/cultural resources Reduction of impervious surface Lowered construction costs for streets Reduction in site disturbance/grading Reduced visual impact
44
Benefits of Mixed Use Development:
important to sitting comparable uses next to each other. - Provide a distinct sense of place - Sustainability via efficient, high-density development - Mixed uses cater to a diverse public - Density encourages pedestrian activity, public transport - Create active public spaces - Greater public safety - Urban in-fill redevelopment and re-use of historic structures
45
TMDL Total maximum daily load
TMDL Total maximum daily load - is the max amount of pollutant allowed to enter a waterbody so that the waterbody will meet and continue to meet the water quality standards for the particular pollutant
46
Stakeholders should be selected on the basis:
Are directly impacted by an issue or project Have jurisdiction or control over something relevant to the project Possess specialist knowledge related to the project Directly represent or are connected to influential social/community networks Parties that are directly affected by or have a stake ina project are stakeholders
47
The setbacks for buildings are:
50 feet from the edge of any stream or other identified water body; 100 feet from the edge of any wetland; 25 feet from any street right-of-way; and 15 feet from any property line. The setbacks for paved circulation ways are: 100 feet from the edge of any wetland; 15 feet from any street right-of-way; and 10 feet from any property line.
48
Cyclist safety:
Whenever bicycles share a road with vehicles, they are at risk when: - cyclist turn left across oncoming traffic - cyclist cross an intersection when vehicular traffic is entering from or turning from the right - either/both cyclist and driver fail to yield
49
Visioning
Visioning is a relatively broad planning activity in which a community develops a shared concept for their future and how this concept will be achieved. It should: Reflect core community values Draw from the whole community Address emerging issues or trends Promote local action Envision a preferred future.
50
Isolation Valves
Isolation Valves - manually operated, placed at critical junction, used to shut off specific portion for maintenance.
51
Urban Plans contains:
Executive summary Existing conditions Analysis drawings Summary of strength and weaknesses Development program Urban design plan_renderings Street framework plan Open space framework plan Design guidelines Implementation plan
52
Stakeholders selection methods
- Convener picked - Selection committee - Self-nomination - Snowball (can compliment any of the 3 strategy)
53
Principles of urban forest management
* Use a variety of tree species, avoid monocultures * Age diversity * Preservation of heritage specimens * Reduce the heat island effect * Use of vegetation to reduce heating and cooling costs of buildings * Management of urban soils * SilvaCells * Structural soil
54
Examples of erosion control methods include the following:
cellular confinement systems (geocells) fiber rolls (also called straw wattles made of straw and coconut fibers) Gabions (a cage filled with rocks, concrete, or sometimes sand and soil) Hydroseeding (slurry with mulch and seeds) level spreaders Mulching Reforestation perennial crops riparian buffer riprap sand fence vegetated waterway (bioswale) terracing windbreaks
55
Material Sample boards
Material Sample boards - provides physical samples of actual materials used in project Considered superior to photos, cutsheets and renderings in terms of representing quality
56
Development should be avoided if:
Prime farmland or are undeveloped Provide habitat for threatened or endangered species or contain sensitive ecosystem (wetlands) Located within 100 flood zone Require extensive excavation or grading
57
Flood hazards might be mitigated by:
Expanding opportunities for stormwater infiltration minimizing impervious surface decreasing the runoff volume during storm events restricting development to outside floodplain areas replacing hard engineered structures with green infrastructure that slows water velocities
58
Nature trails
- not multi-user trails, different criteria - surfaced with natural soils or crashed aggregate - follow the surrounding topo easy trails 3-5% moderate 8-10% strenuous >10% (напряженный)
59
The program document has 2 purposes:
Acts as a summary and a synthesis of the site inventory/analysis and client interview Functions as a checklist to compare the design proposal against
60
Preferences sites for development:
Reflective of input from stakeholders Located in or adjacent to existing communities Previously developed (brownfields, greyfields) Adjacent to public transportation
61
Safety/conflict on multi-user trails
between pedestrian and bicyclist due to overcrowding To increase safety - sufficient width and/or dividing trails
62
Quick coupler valve
Quick coupler valve - to connect hose to irrigation system. HOSE - шланг
63
Primary goals of site planning: (pre-design phase)
- Promoting public health, safety, welfare - Protecting public from natural disasters - Reducing construction and maintenance costs - Improving site function, including access - Increase profit from development - Protecting valuable natural/cultural resources - Supporting critical ecological processes
64
Benefits of the effective site planning:
Promoting public health, safety, welfare Protecting the public from natural disasters Reduced construction costs Increased profit from development Protecting valuable natural and cultural amenities Supporting critical ecological processes
65
DD Content:
Document Set Organization Sheet layout and content (scale, name, purpose) Detail names and numbering Drawing notations and conventions (keynotes, symbols, general notes) Specification format and organization
66
Residential Lot Types
Deep Narrow Lots - garage in front of the house, maximize space behind the house. Unattractive view from the street, minimum privacy Shallow Wide Lots - More Space between houses, lack useful yard space, more development costs Alley Houses - placing garage at the rear of the property facing the alley, aesthetically pleasing neighbourhoods, can introduce narrower streets to compensate cost of an alley. Z-Lots - zero lot line layout, house is placed at the or near property line.
67
Design Guidelines
Improve the built-environment Establi aesthetic continuity Support and maintain broader planning and design objective Ensure the health, safety and welfare Mitigate the negative impacts of development
68
Transit-oriented development
encourages mixed-use, high-density development around multi-modal transportation hubs. (1/8 mile downtown or 1/2 mile in other conditions. 1/4 mile primary TOD area)
69
Value Engineering:
- Review of contract docs to see if construction costs and duration can be reduced while maintaining project quality - Should not impact health, safety of welfare - Should not affect durability or long-term functioning - Example: change finish surface, but not subgrade preparation, aggregate thickness base since latter have structural purpose.
70
Site maintenance plan:
Should promote clients objectives, preserve design intent, be future-oriented (anticipated site users, potable water use, financial resources) Routine maintenance requirements Season maintenance requirements Long term, preventive or as-needed requirements Operating manuals for landscape infrastructure such as irrigation controllers As-build drawings of the project Guide to plant material List of replacement parts for key equipment
71
Program development
period of research and information gathering used to determine project outcomes, and programming studies are guided by the following information: Market analysis Literature review User demand studies Stakeholder interviews/surveys Analysis of relevant precedents Client objectives Project budget
72
Schematic Design SD
the first opportunity to formulate a detailed/specific/technical design intent for the project. SD refines elements of the concept, introduces new drawing types (sections, elevations, 3d perspectives) SD, key goals and activities: Refine content from the concept design phase Site context plan Preferred Plan option Key compliance and regulatory requirements Coordinate preferred plan with off-site systems ( circulation, stormwater, utilities) Probable construction costs Project cover sheet Study models, character images Illustrative elevations, sections, 3D drawings Sketch details Materials and components palette
73
Neighborhood parks amenities (1-10 acres)
- Play areas for multiple age groups - ADA-accessible circulation group - well-maintained open space for informal use - sport features (basketball half-court, tennis, volleyball, etc) - general site amenities (trash bins, benches etc) - landscape planting - natural areas - limited parking
74
Sight Triangle:
- sight distance at intersection - Must be free from any obstructions, including trees and vegetation. - Plants should not be higher than 2 ft.
75
Flood fringe
area of the floodplain outside of the floodway that does not usually convey floodwater and usually contains slow-moving or standing water.
76
Settlement
is the downward movement of the ground caused by the weight of the structure
77
Challenges of Mixed Use Development:
Zoning ordinance discourage from mix-used Require complex financing Increase project complexity Interdisciplinary coordination May be more extended/complicated approval process
78
Liquefaction
make solid soils behave like liquids the greater the soil density, the lower the liquefaction risks
79
Site inventory and analysis are affected by:
- Cost of data collection and analysis - Existing site conditions - Permit requirements - Proposed site uses
80
Neighborhood Park:
- Should be centrally located in the neighborhood that they serve - Connect to broader circulation network - Range in size from 1-10 acre, generally at least 3 acre to 5 - Should be contiguous and uninterrupted by roads or rivers, wetlands - Site not suitable for other development usually is not suitable for neighborhood park
81
Types of sites:
Greenfield sites Brownfield sites Greyfield sites Urban Infill
82
CPTED implemented in 3 ways:
Electronic devices (locks, alarms, CCTV, gadgets) Site lighting should be uniform and consistent. Design methods Building design, lighting, circulation control, site layout, planting. Minimsing blind spots, dead ends, Organisational methods (site security, doorman, regulating hours Plants should grow no more than 3 ft, trees are ok, but you have to provide clear line of sight from 3-6ft School experience increase level of crime due to predictable routines
83
Elderly Site Users:
Perceptual ability issues, especially sight and hearing Hard to see small changes in grades Visual clues should be provided Comfortable seating Walking is the most common exercise Playgrounds and daycare facilities are considered complementary to elderly users
84
Sleeving
Sleeving - large diameter tube places under hardscape surface to allow the irrigation mainline or laterals to be routed through the property after placement of the hardscape.
85
Noise Control Techniques
Sound Walls Need to be quite tall and dense to have an effect Sound absorption approx 30 to 20 decibels May increase noise elsewhere (bounce sounds back) Visually overwhelming, expensive per linear foot Visually monotonous Earthen Berms Softer surface, angled face can provide better sound mitigation than wall Require more horizontal space Less expensive than walls and fences Can be planted to appear attractive Vegetation Does not absorb sound effectively (5 to 8 decibels per 100’ of width) Requires more horizontal space Most effective in high frequency ranges (above 1000-2000 Hertz)\ Psychological If source of noise is not visible, impact may be reduced. Mask negative noise by adding positive sounds –running water, etc
86
Riparian corridor
riparian zone is an interface between land and a river or stream.
87
Residential lot types:
Deep, narrow, lots Shallow wide lots (more costly) Alley houses (place garages and the rear of the property) Z-lots (zero lot line)
88
Accessibility, ADA
ADA parking spots closest to building entrances as well as to the shortest ADA path All ADA routes are continuous All ADA routes must follow general public to the greatest extent The primary elements of the site must be accessible If more than 5% it is a ramp Maximum slope 8,33% Maximum cross slope without handrails of 2.1% for paths and 2% for ramps
89
Territorial Reinforcement
companion to natural access control, uses design elements like plants, walls, and hardscape to define a sphere of influence. This way it is clear that a space is heavily maintained and controlled and would prevent from crime
90
Clay soils are:
-not ideal for stormwater infiltration - shrink and expand dramatically
91
Watershed
The land area that contributes surface water to a specific location. Watershed boundaries defined by ridges.
92
Athletic Complexes
- Tend to generate Noise, traffic - Sport field lighting is the major concern - Should never be sited adjacent to residential areas - Space in between sport and residential requires buffering - Designed to serve entire community - Well integrated into existing circulation network - Access from main vehicular routes - Baseball field orientation - northeast - All other sport: north-south
93
Feasibility Studies
Market analysis Development yield (доходность) of a site Project permitting requirements Estimated project timeline Budget/funding mechanisms Initial design concepts
94
Differential subsidence
subsidence occurs when soils beneath the building are unstable and sink downwards dif subsidence - 2 points settle at different rates ( due to 2 different soil profiles)
95
Floodplains
area of land adjoining the water body that has been or may be covered by the floodwater areas that accomodate floodwaters in excess of channel capacity by storing floodwater, thereby reducing peak flows downstream
96
Pedestrian safety at Intersections
Views to and from the crosswalk must be clear Pedestrians are at risk whenever they ross a roadway Crosswalks must be perpendicular to the roadway Pedestrian Islands increase safety across crosswalks Distances could be reduced with bulb-outs, neckdowns Lower vehicle speed Narrow roads are safer than wider ones to cross Visible signage and lights Overpass and underpass cross are not encouraged, cause they are not comfortable/accessible
97
Sustainable landscape maintenance strategies:
Reduce waste and carbon emissions produced by maintenance Address the waste stream on site Replace traditional pest management with integrated pest management (IPM) Treat stormwater and run-off Amend solis using organic matter Control the spread of invasive species
98
General Site Circulation
- Connectivity (new circulation must connect to existing circulation) - Align entries and exits - Visible entries and exits (if multiple entries/exits should be a hierarchy) - Establish a hierarchy (through scale, like larger streets or visual character, like high-end materials vs fewer details). - All major circulation paths have to lead to entry/exits and key site feature - Facilitate wayfinding. Colour is a poor choice for wayfinding, it does not convey hierarchy and does not work for all people. - Hospitals do not follow all these principles. Hospital campuses should be divided into public/private zones. Private circulation should be self-contained and do not connect to adjacent public roads/
99
Channel
area of the floodplain where river/stream flows under normal conditions
100
Erosion control best practices
- Minimise the disturbance to the minimum - Schedule grading to avoid periods of highest erosion potential (spring thaw, rainy seasons) and by favouring dry periods - Limiting grading activities to the area of the site currently under construction - Stabilising soils after grading, construction is complete (hydroseeding, mulching) - Locating non-point pollution source away from steep slopes, erodible soils, areas that drain directly to the water body - Covering and stabilising soil piles - Constructing benches, terraces and ditches at a regular interval to minimise steep slope and reduce runoff velocity - Lining drainage channels with stabilising materials (rip rap каменная наброска) - Adding check dams in swales or channels to reduce runoff velocity
101
Site Inventory and Analysis
Site Inventory - is a process of documenting various site data Site Analysis - follow site inventory, requires LA to interpret the site inventory data to make conclusions relevant to the design process.
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Site design on hot, humid climates
- Avoid using solid walls and earthworks that block cooling winds - Use high canopy trees, open planting patterns to maximise evaporation and cooling winds - Provide shade structures with high ceilings/venting
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Greenfield sites:
have not been previously developed or extensively graded, or land that has been used for agriculture
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Parks and Trail Master Plan
Organised around political/social boundaries as well as ecological resources Include: environmental. Recreational. Scenic, cultural, historic, transportation, urban design elements. Should accomplish following: - Protect natural resources and wildlife - Provide space for public recreation - Enhance sense of community through providing public space - Create new/support existing cultural infrastructure - Support economic development initiatives - Promote general public health - Augment existing development patters (Augment - make (something) greater by adding to it)
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Cut and Fill steps:
1 - site preparation 2 - bulk excavation 3 - backfilling/fine grading 4 - finish surfacing
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Landscape lighting should be used on a site for:
-Improving the legibility of pedestrian circulation - Enhancing safety - Encouraging nighttime use of a site - Minimizing the potential damage to the property - Introducing the hierarchy of a site uses through the variable intensity of lighting - Improving views of the landscape from well-lit interior spaces
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Park, open space, trails master plan
Protect wildlife Provide space for public recreation Enhance the sense of community Create/support cultural infrastructure
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Redevelopment Plan ( Economic Development Plan)
Seeks to improve the financial situation of businesses and workers within a community. Promote economic development, quality of life, especially in underdeveloped areas or in need of economic revitalization. (brownfield/greyfields sites) Redevelopment can be drafted because: Responding to competition from nearby communities Addressing loss of major industry Promoting community to specific industries Tackling economic stagnation Creating tax revenues Finding uses for underutilized spaces
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Professional Liability Insurance
errors and omissions insurance, purchased to protect a professional services firm (architects, surveyors, landscape architects) from claims of negligence or failing to perform their professional duties. Bodily harm or physical damage is not covered by this one. claims of negligence
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Landslides
maybe caused by: heavy rains extreme topo unstable soils construction activity loose of vegetation
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Windbreaks:
Woody, evergreen vegetation is better suited, should be at least 3 plants deep to be effective Deciduous plants do not block wind during winter Vegetation should be placed at the direct path of prevailing wind with adequate spacing from the structure - at least half of their height away from the structure to provide sufficient dead-air space Taller and thicker plants provide superior protection from wind
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Principles of TOD:
High density, mixed use Mitigate urban sprawl Housing for all price ranges Reduce parking requirements Encourage use of public transit Create walkable communities
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Site design on temperate climates
Site design on temperate climates - Promote shade and evaporative cooling during summer months - Block winter winds without disrupting summer wind patterns - Locate uses and structures along southern orientation (SSE to SSW) to promote
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Streetscape Elements
Paving (selected based on - climate, safety considerations, and overall character, Could be used to determine street hierarchy, and increase safety). Overly complex patterns may disorient people with visual impairments. Planting (shade, barrier, air quality, visual character) Lighting (safety, increased visibility, wayfinding, avoid light pollution) Furnishings (should never be located int he middle of circulation path, L shape benches best encourage interaction) Public and Private Amenities (public utility boxes, parking meters, signage, outdoor dining)
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Irrigation
- Irrigation zones (group of plants with similar water needs) are separated by valves, with 1 valve controlling 1 zone. - Multiple methods could ve used within 1 irrigation system, but only 1 method per irrigation zone. All zones are controlled by a control unit - controller. - Irrigation should happen at night or at early morning - Changes in elevation will affect water pressure. Each foot of vertical elevation gain reduces available pressure by 0.433 psi - Water velocity passing through the irrigation pipes (laterals) should be 5 feet per second - Excess pressure could lead to water hammering, broken laterals, overspray
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Estuary
Semi-enclosed coastal body of water connected to open sea. Strongly affected by tidal, contain brackish water
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Brick
+ Non glare non-skid surface (Небликующая нескользящая поверхность) Wide color range Easily reaired - High Installation cost Difficult to clean Can disintegrate in cold winter Susceptible to different settlement and efflorescence (выцветанию)
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ADA measurements
- more than 5% considered a ramp - maximum ADA slope is 8,33% (1:12) - ADA accessible walkways without handrails should have a max cross slope of 2.1% (1:48) and ramps a cross slope of 2% (1:50) stairways are the most significant barrier for the ADA
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Bicycle Lanes
A portion of a larger roadway is designated for bicycles. Delineated by signs, markings, textured strips 5-6 ft
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Regional Plans , Implementation program contains:
Implementation program contains: Implementation schedule Development criteria Monitoring and evaluation Coordination between government units Proposed legislative changes
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Infiltration rate
the rate of speed at which water moves through soil through the small pores
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Framework Plan are generally structured as:
a series of independent elements that come together within the plan structure
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Sustainable Turf Maintenance
- Natural lawn practices - Fewer moving events - Aeration - Overseeding with grass suitable for microclimate - Slow, deep, less frequent watering will produce healthier conditions
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Objectives of public outreach
specific statements that suggest how goals are going to be accomplished, more action oriented
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Urban Plans contain:
Executive summary Existing conditions Analysis drawings Strength and weaknesses Development program (market studies) Urban design plans Street framework plan Open space framework plan Design guidelines Implementation plan
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LID techniques:
Green roofs Bioretentions Rainwater harvesting systems Improve water quality Reduce runoff volume More pervious surface Stormwater runoff NEVER goes directly into body of water or wetland Topography and presence of water feature will dictate where stormwater features will be located
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Recharge (hydrology)
refers to the water that infiltrates the surface and percolates downward to infiltrate the underlying water table
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Parking and Loading Requirements
- parking space shall be 9’x20’ [2.7m x 6m] - Parallel parking spaces min length of 22’ and a min width of 9’. - Parking lots with more than forty (40) spaces shall have a max of 10 contiguous spaces without an island. Min width of an island – 9’ - Parking areas must be graded at a slope not to exceed 5% - No dead end parking areas shall be permitted
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Bid Alternates
**Additive alternates**: As the budget allows, bid alternates are added to the base in a predefined order to establish the low bid. **Deductive alternates** :To meet the budget, bid alternates are deducted from the base scope in a predefined order to result in a contract that fits the budget
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Grading, slope character in %: Slope= rise/run
0-3% nearly level 3-7% gently sloping 7-12% moderately sloping 12-25% strongly sloping 25-40% strongly sloping 40-70% very steeply sloping >70% extreme slope 2% - minimum slope necessary for a site to shed water and have a proper drainage.
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Site master plans used to:
Incorporate public feedback into site development Outline a phased-growth plan for future site development consider how sustainable design measures could be incorporated highlight critical cultural and environmental resources identify maximum potential development to the site (20-30 years timeline)
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Elderly Site Users (ESU)
- characterized by diminished perceptual abilities, especially vision, and hearing - ESU have difficulties seeing small changes in grade. Visual cues should be provided at all grade changes - provide comfortable seating - walking paths are the most common exercise for elder Americans - playgrounds and daycare facilities are considered to be complimentary uses for ESU
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Environmental Goals:
Conserve natural resources Protect sensitive ecosystems Preserve biodiversity Consider development intensity and location Reduce pollution
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Comprehensive plans (CP) Address the following subjects:
Land Use Economic Development Natural and cultural resources Housing Transportation Utilities Demographics Community facilities (utilities, parks, open space) ** Critical and sensitive areas Agricultural lands Natural Hazards
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Historic Preservation Plan
Historic/ cultural restoration and preservation plans are used to identify, preserve and restore cultural and historic resources.
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Estimating Cut and Fill
Estimating Cut and Fill There are 3 basic techniques for estimating cut and fill: Average End Area Grid Contour Planes
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Design Development DD, key goals and activities:
Team roles and responsibilities Interdisciplinary coordination needs Establish conventions (quality control, CAD protocols, cost estimating) Confirm Permitting/regulatory approval requirements Deadlines and production schedule Mock-ups and projected document set and specifications Refine construction budget (53-54 LAD Standards)
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Selection of stakeholders:
Are directly impacted by an issue or project Have jurisdiction or control over sth relevant to the project Possess specialist knowledge related to the project Directly represent or are connected to influential social/ community networks
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Grading key design moments:
Minimum slope necessary for proper drainage 2% Athletic fields 1-2%, 1% preferred Sidewalks 1-5%, 2% cross-slope Streets 1-10%, 20% maximum Parking lots 2-3%, 5% max Sitting area 1%. 2%max Lawns 5-10% (25% max) Townhouses and other multi-family development well suited to accommodate 5-10% slope Walking where grading is done by Cut is more stable where grading is done by fill.
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The extent of the floodplain is determined by:
Topography Soils Vegetation types The extent of past flood flows
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Setbacks, general guide
- Active Recreation Setback: Occurs within 30 feet of active recreation fields. - Security Setback: Occurs within 3 feet of walks and routes of pedestrian travel. - Wetland: 100’ setback for structures - Stream: 50’ setback for structures - Floodplain: No structures permitted (only grass play fields) - Buildings shall be set back at least 25’ from property line along a street, and 15’ from all other property lines
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Greyfield sites:
Underutilized or abandoned commercial or retail properties located in urban or suburban areas. Large commercial building surrounded by parking lots
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Site program
list of all requirements that the design solution must satisfy, program document will always include: A list of goals and objectives Elements to be included in the design Special requirements for the design to fulfill
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Sight Distance:
- Length of the road ahead of the vehicle that is visible to the driver. - - - Roadway alignments, speed limits, intersection locations, and exits/entries are all affected by sight distance. - Minimum sight distance = allow the vehicle to stop before reaching an object Therefore sight distance is **affected by distance and vehicle speed**
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Site design on hot, arid climates
- Avoid heat-absorbing materials (metal), large exposed glass surfaces - Use walls to create favorable microclimates - Deflect hot,dry winds with earthworks, screening, walls - Prevent heat build-up in structures through the use of thick walls - Use drought-tolerant plants - Use pergola on south and southwest walls - Provide shade in outdoor areas, but allow winter sun
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Legal Considerations
Education owner o the potential risks Being fair and unbiased Permit drawings, CD sets are not considered valid without the signature and stamp of the project LA A registered LA can sign and seal the work performed by other landscape designer under their supervision Many states require for landscape designer to work under LA before becoming registered themselves.
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Stormwater Management SM is affected by:
Vegetation Soil Topo Precipitation SlopeTpo
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Restoration (def)
Restoration - the process of removing a historic resource to accurately depict the historic resources as it would have appeared in a particular period of time. It could also entail reconstructing features that were removed from the original structure.
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Floodplains are composed of 3 areas:
Channel Floodway Flood fringe
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Playground Design features
Fencing with easily controllable access Signage that indicates entry points, hours of operation, age restriction Seating in both sunny and shady areas Play areas segregated according to age Play areas for children with and without disabilities Water is considered an ideal material for universal play, therefore area around water play area should be accessible by wheelchair Safe surfacing - poured in place rubber, hardwood wooden fibre, shredded rubber, sand, pea-gravel Hard surfaces used sparingly and if needed Comfort amenities like restroom, tables, water fountains Service amenities: trash bins, bike/car parking, storage Substantial lighting only if needed Emergency call box Additional- garden areas and landforms with provided access to them
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Impervious Surface reduction:
Reduce the footprint of structure Use green roofs Reduce road lengths and widths Reduce size of parking lots by altering dimensions or reducing # of parking lots Replace impervious surface with pervious materials
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Swamp
type of wetland with woody vegetation
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When design irrigation system think about:
Soil characteristics Water source Available flow and pressure Water quality Water cost Site grading and elevation Sun species and placement Evapotranspiration rate Annual Precipitation Construction budget
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Asphalt
+ Low heat and light reflectivity Versatile, durable, year-round use Low maintenance Water repellant, but could be porous Adaptable to a variety of shapes - Degradation at edge without support Can soften in extreme heat Susceptible to freeze damage
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Roadway patterns
Grid Pattern Radial pattern Classic pattern Linear system Grid/Grid and Squares/Web/Radial/Curvilinear/Irregular
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Sustainable site planning
context sensitive, minimizes negative development impacts by respecting the landscape’s natural patterns and processes. -protecting env from unnecessary impact - using design as an opportunity to restore env - avoid development on greenfield sites - encourage dense, mixed use walkable communities - promote resource conservation/ efficient use
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Roadway Alignments
- Horizontal alignment: straight lines and arcs - As direct as possible, but mind topography and site feautures - Longer curves are safer - Avoid abrupt changes - Learn terms: PC Point of Curvature, PI Point of Intersection, PT Point of Tangency, Chord - Intersections and site entries should not be placed at steep topography due to site distance criteria.
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Historic Preservation Plan
HPP - Used to identify, preserve and restore cultural and historic resources. Development can not have an adverse effect on historic properties and resources. HP site would assessed based on: Is the site associated with historic events? Is the site associated with person significant to US history Does the site embody the distinctive characteristics of type, period or method of construction, the work of a master, possess high artistic value Has the site yielded or may be likely to yield information important to history
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Fertigation
Fertigation - irrigation system that introduces fertilisers into the water prior to be emitted to plants
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Base flow
is the sustained flow of a stream or groundwater in the absence of direct runoff. It includes natural and human-induced stream flows. Natural stream flow is sustained by groundwater discharge это устойчивый поток ручья или грунтовых вод при отсутствии прямого стока. Сюда входят естественные и антропогенные водотоки. Естественный сток поддерживается за счет разгрузки подземных вод.
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CPTED concepts are implemented in 3 ways:
Electronic methods Design methods Organizational methods +it is recommended to maintain clear lines of sight between 3-6ft height (select plants that grow less than 3ft, trees should be pruned, remove branches below 6 ft)
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Building Scale, Massing, Character
2-4 stories is human scale (well articulated for at least 2 stories) Articulation is good (large transparent windows, smth that creates human scale, avoid long monotonous facades) Consider wind and shade - do not cast shadows, create wind tunnels for streetscape and public spaces. Breaking up mass into smaller units helps to mitigate negative effects Reduce energy use (reduce surface area, increase natural light and ventilation) Footprint = Impact
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Hydrology Impacts of Urbanization
- Peak flows increase due to increased runoff - Volume of runoff increases due to increased runoff - Time to peak decreases due to smoother watershed surfaces - Channel erosion increases - Flood high water levels and frequency of flooding increase - Channel flows become more erratic - Riparian habitats are degraded - Ground water levels decline
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Treatment train:
Green roof Permeable pavement Bioretention basin with underdrain Water harvest/re-use cistern
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Building Protection zone:
30 ft from structure vegetation free or only low growing, fire-resistant plant species. site furniture - nonflammable no bark mulch
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Location-specific conditions:
Lot size and shape Historic structures Vegetation Hydrology Geology, soils Topography Climate conditions Wildfire Wildlife habitat Noise and other surroubdings
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Urban heat island effect:
- Dark roofs are significant contributors to heat island effect - Dark asphalts absorb more heat energy than concrete - Green roofs can be used to mitigate heat-islands - Vegetation and water can be used to mitigate urban heat islands - Tree canopy cover can play a significant role in reducing surface temperatures in urban env. - should use light colored pavement or high albedo pavement
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Comprehensive Plans
= Master Plans include speculative plans to show how policy goals be translated into the built environment AND implementation program Used to: Organize large-scale process Coordinate decision-making at the local level General guidance to landowners, developers, stakeholders Promote informed decision-making Establish direction and consensus related to future development
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Maintenance friendly design considerations:
Conduction soil tests prior planting Required 2-3 inches of mulch coverage in planting beds to suppress weed Use well-proven or drought tolerant planting materials Minimise turf areas Develop site maintenance plan, providing it to owner and request that copies will be distributed to maintenance staff
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Natural surveillance
uses site and architectural design to create spaces to maximise visibility to increase safety. (windows, adequate nightlighting, active pedestrian streetscape)
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Level of service
The frequency of an amenity relevant to population size (related to needs assessment)
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Federal Laws Regulating Wetlands
The Rivers and Harbors Act (1899) The National Flood Insurance Act (1968) The National Environmental Policy Act (1969) The Coastal Zone Management Act (1972) The Endangered Species Act (1973) The Clean Water Act (1972 and 1977) The Coastal Barrier Resources Act (1982) Fish and Wildlife Coordination Act (1934, 1977
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Environmental Resources Plan
Used to identify and protect lands, water bodies, wildlife, natural resources. ERP will contain: Description of critical resource GIS maps of critical resource + field surveys An analysis of carrying capacity A description of the public outreach used to determine which resources are critical Policies to protect resources Implementation strategies
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Playground design feature
-fence with clear entry points -signage with operation hours -seating both in sunny and shady areas - play areas segregated by age - safe surfacing (poured-in-place rubber, hardwood wooden fiber, shredded rubber, sand, pea gravel) -hard surface used sparingly and if needed - comfort amenities (restroom, water fountain, tables) - service amenities( trash bins, parking, storage) - substantial lighting only if needed - emergency call box
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Sport fields Grading:
1-2%, with 1% preferred 0% with substantial under drainage Equestrian facilities should be located on a flat ground
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Materials Safety Data sheet (SDS)
lists the hazardous ingredients of a product, its physical and chemical characteristics (e.g. flammability, explosive properties), its effect on human health, the chemicals with which it can adversely react, handling precautions, the types of measures that can be used to control exposure, emergency and first aid procedures, and methods to contain a spill. When new regulatory information, such as exposure limits, or new health effects information becomes available, the MSDS must be updated to reflect it.
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Evapotranspiration
Transpiration from plants, water, and surfaces to return water to the atmosphere
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Regional Plans
similar in intent to comprehensive plans, regional plans are distinct in that they cover geographical areas that cross the jurisdiction of more than 1 government unit. (watershed boundaries, transportation network, metropolitan region, etc) All regional plans will contain maps as well as implementation program. The implementation program is composed of: - Implementation schedule - Development criteria - Monitoring and evaluation - Coordination between governmental units - Proposed legislative changes
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Damage by the earthquakes is exacerbated:
damage by the earthquakes is exacerbated: 1. Building height 2. Hillslides, ridges and steep topo 3. Proximity to major fault lines 4. Placing structures parallel to the anticipated direction of seismic waves
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Easement
the purchase of partial right to a piece of land and it requires an agreement between 2 parties for the purchase of a specific use. Example: owner allowing utility company to cross their land with a service line, access across one property to another
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Purpose of parks, open spaces, trails master plans:
Purpose of parks, open spaces, trails master plans: protect natural resources provide spaces for public recreation enhance a sense of community create new/ support existing cultural infrastructure Support economic development promote general public health augment existing development patterns
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Community Visioning
Broad planning activity where the community develops a shared concept for their future and determines how this concept will be achieved: - reflect core community values - draw from the whole of the community - address emerging issues or trends -promote local action -envision a preferred future
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Transit-Oriented Development (TOD)
high density, mixed use development around multi modal transportation hubs. Developments should be located within ⅛ of transit hubs in downtown and ½ around mass transit stations. 1.4 mile - primary area for TOD development, ¼ to ½ secondary area.
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Greenways:
- are created to protect and buffer key ecological resources including sensitive - -ecological areas and wildlife corridors passive use recreational opportunities
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Strategic Implementation Plan
- Funding and other financial considerations - Specific sites and resources that will be targeted by program - Design/planning standards - Participant and organizations that are vital for the implementation strategy - Specific targets and timelines - How progress will be measured
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Slope
Slope = rise/run Ridges are identified by contour lines that point donhill Valleys/swales are identified by contour lines that point uphill
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Maintenance Audits
Identify operational inefficiencies, sources of cost savings Post Occupancy Evaluation POE
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Large Urban Parks amenities
- all amenities from the neighborhood park - group picnic facilities - an extensive network of looped internal trails for a variety of users - large, well-maintained open spaces - some formal athletic facilities that can blend in - special-use facilities (campgrounds, dog parks, skateboard park) - dedicated parking lots
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CPTED (Crime Prevention Through Environmental Design): public spaces are safer when:
A clear demarcation of private and public space (minimise “no man’s land”); Diversity of use; A high level of pedestrian use of the sidewalks. Commercial strip environments are particularly vulnerable to crime because they disperse pedestrian activity; “Natural surveillability” and “defensible space” – design should allow people to see and be seen continuously; A sense of ownership of outdoor spaces, awareness of who is part of the community; Good maintenance and prompt repair of broken items. Clear wayfinding
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Time of concentration
Amount of time needed for water to flow from the most remote point of the watershed to watershed outlet.
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Vehicular requirements (dimensions)
- All required access shall be paved - Maximum length for a cul-de-sal (deadend) shall be 800’ [240m]. - The longer a dead end road, the greater the safety hazard. - Design of parking shall not necessitate backing from a space into a street, primary circulation route, or entrance - sight triangle 45'
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How to organize elements across a site?
- Entry and exit points connect to existing circulation - Safety of site users #1priority - Strong sense of arrival - Entry may be placed on-axis with buildings - Entrance and main circulation could be oriented to notable site elements like a group of trees
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Relief
topographic relief is the relative difference in elevation between 2 or more points.
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Bike Paths vs Lanes:
As a rule, bike paths are specially created pathways away from the main roads, typically in recreational areas. Bike lanes provide the bicyclist with his or her own lane on a road shared with motorists and typically provide direct routes for travellers wanting to get to work or school.
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Compatible Land Uses
* School—Park—Residential Neighborhoods * Separate Commercial/Industrial from Residential * Elderly—Park—Hospital
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The location specific conditions include:
Lot size and shape Historic structures, prominent views Significant vegetation Hydrology, site drainage, water table Geology and soils Topography Climatic conditions, including sun, wind Wildfires Wildlife habitat Noise and other nuisances
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Short and Long term considerations:
Maintenance period by contractor is usually 90 days to 1 year. Contractor responsible for plant materials (water, fertiliser) Care of planting areas (mulch, weed) Pest,disease control and replacement of dead plants Adjustment of irrigation equipment Sometimes landscape contractor is awarded a contract to maintain site in a long distance
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Irrigation Controllers
Irrigation Controllers - to regulate time and duration that each valve provides water to the devices in a distinct zone. Could be connected to weather sensor.
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Soil permeability
the rate at which water moves through soil
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100-year floodplain
area of land that has a 1% chance of the flood in any given year
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Rehabilitation (def)
Preservation - entails repairing, altering, or adding to an existing historic resource to accommodate a compatible use. Should preserve all features that contain historic or cultural merit.
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Vision/ Framework plan
is generally understood to be a planning tool or document that can coordinate future growth, development, and investment within a given community. A holistic, project-wide idea, encompassing the full complement of disciplines involved in the project. Should reflect critical contextual relationships. future land use recreational open space vehicular circulation, transportation architecture sustainability circulation
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Bicycle Key Design considerations:
Sight line Adequate topo (8-10%, avoid 10% and more if possible) Adequate lane widths (path 8-12, lane 5-6) Safe intersections Signage, markings, striping Adequate drainage Pavement to meet the climate Integration with existing bicycle network
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Bicycle Paths:
8-12 ft Dedicated lanes, separated from vehicles by open space or barriers within existing roadway Max 2% cross slope, 1.5% ideal Typically paved with asphalt (concrete is more expensive, gravel is less durable, and concrete joints create disruptions)
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Site selection process is vital because suitable sites for anticipated use will provide:
- Enhanced aesthetics - Reduced construction costs - Reduced environmental impacts - convenience for site users
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Redevelopment Plan outline:
A community relationship to the local economy Desired industries or other economic drivers Location and characteristics of sites identified for redevelopment Public resources that can/will be dedicated toward redevelopment efforts Public-provate coordination strategy Implementation plan and performance monitoring
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SITES concentrated on ecosystem services:
Create generative systems, foster resiliency Ensure future resource supply and mitigate climate change Transform the market through design, development, maintenance practices Enhance human well-being and strengthen community
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Material Costs
High: Pervious concrete, Porous asphalt, Brick Natural stone Medium: Concrete, asphalt (cheaper than concrete), turf block, concrete unit pavers Low: Gravel, Wood mulch, Cobbles
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How to reduce parking Lot size?
Pervious materials Dimensions of parking stalls could be reduced Dimensions of parking aisles could be reduced Total parking quantities could be reduced by integrating mass transit to the site. 45-degree stalls are narrower than 60 and 90 degrees 90-degree stalls accommodate the most amount of cars.
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Social/Cultural goals:
Promote a sense of community Protect cultural and historic resources Reduce crime and increase public safety Provide equitable access to public services Increase access to outdoor recreation Minimise negative impacts to adjacent properties
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Concept plans
first design drawings that are specific to the site.3 key elements - open space, circulation, development pods, and activity zones
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CPTED Design Tactics:
Use passing vehicular traffic as a surveillance asset. In front yards, use waist-level, picket-type fencing along residential property to encourage surveillance. Avoid poorly placed lights that create blind-spots Ensure potential problem areas are well-lit. Avoid glare. Use shoulder-level, open-type fencing along lateral residential property lines between side yards and extending to between back yards to promote social interaction between neighbours. Provide trees in residential areas. Well maintained landscaped Avoid cyclone fencing and razor-wire fence topping Clarify legitimate pathways and suppress illicit ones. Use low, thorny (колючий) bushes beneath ground level windows. Eliminate design features that provide access to roofs or upper levels Use a locking gate between front and backyards. Use substantial, high, closed fencing (for example, masonry) between a backyard and a public alley. Planting trees with canopies that start 7-8’ above the ground with low shrubbery (3’ or less) provides some privacy screening.
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Indemnification
Indemnification - hold harmless clauses drafted in contract
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Wetland benefits:
- Groundwater recharge - Sediment stabilization - Flood attenuation - Water quality maintenance - Wildlife habitat - Climate moderation - Shoreline protection
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Freeboard
Any portion of the flood in excess of the base flood elevation (measure in feet)
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Park Typology
Neighborhood parks (1-10 acres) Large Urban Parks Regional Park Parkways Greenways
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Program development are guided by:
Market analysis Literature review User demand studies Stakeholder interviews Analysis of relevant precedents Client objectives (desired users, special features, design styles) Project budget
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Turf Grass
Turf Grass + Non abrasive, comfortable Good drainage Low installation costs - Difficult to maintain under heavy use Requires significant resources input (water, fertillizer)
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Flagstone
+ Very durable Natural weathering - Moderately expensive to install Can be slippery in wet weather Colors and patterns can be difficult to match
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Master valve and flow sensor
Master valve and flow sensor - to protect system from the line break by shutting off water to the irrigation system when none of the zone valves are operating. Flow sensor detects leaking.
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Defensible Space:
Physical and suggested physiological/ social barriers that define a space for the purpose of surveillance and control and consists of: Territory Access Surveillance
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Site topography
most important factor in determining site design Spot elevations - are highly accurate readings shown for specific points Contour lines - lines on topo map that establish the elevation at any point along the line. Accurate to 0.5 the contour interval.
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For a tort to occur:
One party owe another party a duty Breach of performance of that duty Someone must be harmed by this breach of performance Clear relationship between the harm and the breach of performance
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Embodied energy materials rating
Aluminium PVC Steel Imported granite Asphalt Kiln-dried lumber Bricks Local granite Concrete Gravel Sand
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Regional Park:
- Designed to serve multiple municipalities - Thousands of acres - Cross multiple political boundaries - Typically oriented around significant natural resource - Amenities correspond to assets within the park - Connections to major transportation network - Integration into regional multi-user trail - Amenities necessary for day use (restrooms, seating area, water fountains)
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Site design on cold climates:
Site design on cold climates - Locate uses and structures along southern orientation (SSE to SSW) to promote solar gain in winter - Avoid northern entrances - Block winter winds with mixed deciduous and evergreen plants - Use earthwork, walls or structures to divert cold NE/NW winter winds - Promote cooling summer winds - Provide afternoon shade during summer months using deciduous trees
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Hydrographs:
Identify storm pulses Deduce that storm pulse higher after development Time lag between precipitation event and storm pulse is reduced by development
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First flush
First flush- is the initial surface runoff from impervious surface with high concentration of pollution compared to the remainder of the storm
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Comprehensive General Liability
protection from third party lawsuits, including property damage, bodily injury. Always carried by contractors and LA. Most contracts necessitate that liability coverage be obtained because the owner often shifts additional risks to the contracted party. property damage, bodily injury
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Granite
+ Very durable, hard and dense Can support heavy traffic - Relatively expensive to install Can be difficult to work with shape
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Water sources:
Grey water, type of reclaimed water, (hand washing, clothes washing, bathing, light pollution), usually used in combination with drip system Cistern and water harvesting (collect rainwater, usually connected to roof drain or other impervious surfaces) Detention cistern(release water into the system after peak stormwater passes) vs non potable rainwater collected, filtered and stored for later:irrigation, cooling system, toilets etc Key components: catchment area, conveyance and filtering system, cistern, distribution system. Purple pipe system - reclaimed water usually provided in separate water system that has to be in pink pipes. Black water
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Phasing Plan
Usually used on large scale sites or complex projects. Provide time and capacity required to accommodate planned growth. Allows the real estate market to adjust to new growth and provide level of service.
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Contents of an Environmental Impact Statement
* Notice of Intent * Project Description and Scope * Purpose and Need * Alternatives to the Proposed Project * Affected Environment * Environmental Consequences * Comments and Coordination * List of Preparers * Record of Decision
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Irrigation Equipment
Spray Irrigation + tree bubblers (GPM gallons per minute) Rotor-Style irrigation Drip Irrigation (GPH gallons per hour) More efficient than spray/rotor systems Requires filtration system Requires specialised control valves Requires air relief and drainage valves Operate at considerably lower pressure than spray systems Water metre (measure amount of water used by a specific property/location) Most conventional irrigation systems use potable water →water meter connected to the same municipal mains Backflow Preventer Master Valve Flow sensor Irrigation Controller Weather Sensor Irrigation WIring Isolation valves Automatic control Valve Quick coupler valve Valve Box Irrigation piping (PVC Sleeving Fertigation
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Libel or slander (Клевета или клевета)
defamation (Клевета) of character and thus include published defamatory statement(libel) and spoken defamatory statement (slander)
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5 factors of communication to the public:
Message (of the graphic, how it will be perceived) Medium (hat type of graphics best to use to communicate the message) Audience Setting Time (the amount of available time)
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Aggregate
+ Economical surfacing of materials Range of colors - Requires replenishment every few years depending on level of use Allow weed growth Requires edging
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Healing Gardens
* Foster a sense of control in patients * Easily accessible * Provides privacy * Allows for social support * Allow for physical movement and exercise * Provide access to nature and other distractions
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Certificate of Insurance
proof that the contractor/consultant has obtained the required insurance. The type of insurance, limits of coverage and the duration may be specified in contract
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Site Master Plans
Primary goals of the site master plan: - outlining a phased growth plan for future site development - identifying max development potential for a site - highlighting critical cultural and environmental resources to ensure that future development preserves these site assets - considering how sustainable site design measures can be incorporated - incorporate public feedback into site development
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Horizontal roadway alignment
composed of 2 elements - straight lines and arcs road alignment should be as direct as possible all straight lines should be tangent to any arcs longer curved tend to be safer abrupt changes in the road should be avoided
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Weather considerations for materials
Cold climate - stress on materials, especially sanding, salting, plowing. Granite curbs are the most resilient to this Salt weather is highly corrosive, stainless steel is the best metal suited to use near ocean Non slip materials should be used in areas with high precipitation or near water features, water bodies
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Sustainable stormwater management should:
Preserve predevelopment stormwater volume Treat, re use , infiltrate stormwater on site Improve water quality by reducing non point source of pollution Lower peak stormwater frequency and duration Manage precipitation during extreme weather to reduce downstream flood risk Reduce erosion, stream siltation (заиление ручьев) and downstream scouring (очистка ниже по течению Reduce potable water demand Stormwater management should be treated as a n opportunity to provide habitat, provide sites with unique character, improve aesthetics, increase recreation
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Complete Streets
streets designed and operated to enable safe use and support mobility for all users, regardless of their mode of transportation.
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Easement restrictions
right of passage Installation or maintenance of utility
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Encourage multi-disciplinary collaboration:
additional time encouraging exploration integrate input of other teams developing project goals diagramming the design process determining performance targets
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Building buffer zone:
100 ft - Well-spaced and pruned trees - Trees and shrubs should be spaced at least 10 ft apart - Plants should be removed if density is too high - Tree branches that are within 6 ft of the ground/ 1/3 of live crown height should be removed
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Preservation (def)
Preservation (def) - is the process of applying measures to protect the existing form, integrity, and materials of a historic property, structure, or resource. it will **prioritize maintenance rather than the replacement** of features or new construction.
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Large Urban Park
- At least 20 acres, 40 acres to be ideal - Broader range of uses to larger population - Serve multiple neighbourhoods, framed smt as regional destination - Connect to existing circulation network - Could be a start of regional trail systems/greenways
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Form-based code
type of land development regulation that uses the physical form of the built environment as its primary organising principle. Used to promote high-quality urban design, unlike zoning not oriented around controlling allowed uses within a given area.
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Presenting to the Public
Public has difficulty understanding plan view drawings, tech drawings Photographs and photo-realistic renderings are the most effective way to communicate visual info Tech and specialist language should be avoided Ensure that graphics, visual aids are written in clear language and that font size is readable No single presentation style fits all situations
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Plan
Plan - an adopted statement of policy in the form of text, maps, graphics, used to guide public and private actions that affect the future. All plans are developed in response to a series of goals and objectives.
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Opportunities and Constraints
Opportunities and Constraints- impact on site design: The compatibility of adjacent land uses, existing infrastructure, natural features, cultural factors can affect the planning and development of a site.
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Siting a parking and drop-off area:
Minimize disturbance. Does not drain in wetlands or water bodies. Make parking convenient, near entrances. No more than 700ft (⅛ mile), ADA spaces closest to the building entrances. Flat sites (1-5%) No dead ends Separate pedestrians and vehicles. Create safe drop-offs Parking should be located behind the building to have a better street experience
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Recommended grading for specific uses:
min slope for proper drainage: 2% athletic field 1-2% (1% preferred) sidewalks 1-5%, 2% cross slope streets 1-10%, max 20% parking lots 2-3% (5 max) sitting areas 1% (max 2%) lawns 5-10% (max 25%) townhouses and other multi-family residential are well suited to accommodate 5-10%
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Concrete
+ Range of colors Easy to install Versatile, durable, year-round use Low life-time maintenance Hard, resilient surface Adaptable to a variety of shapes - Joints are required Difficult to color evenly and permanently Can disintegrate if not properly installed Reflect lights/glare Can easily crack
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Stakeholder
person, entity, or organization with an interest or concern in a specific activity, action, outcome 1 - members of the public 2 - special interest groups 3 - government agencies 4 - elected officials
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Bog
in northern climates acidic soils rich deposits of organic material diversity of vegetation
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Parks and Trail Master Plan Goals and objectives:
Quantify specific resources (e.g. % of land in development that will be set aside for open space) Location and accessibility of desired resources Balance of resources Environmental protection Sustainability and maintenance Coordination with broader police initiatives Inventory of existing g assets Demand assessment based upon projected trends Surplus and deficiency analysis to identify development opportunities Implementation plan targeted at addressing deficiencies
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High Water Table constrains:
Preventing adequate site drainage, including groundwater recharge Precluding the use of septic systems Complicating subsurface excavation Requiring waterproofing for building foundations and subsurface structures.
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Playgrounds
- Fall zone - area around play equipment where protective surface is required - Play areas segregated according to age - Protection from circulation, adequate distance away from roads and vehicles - Multi-user trails, bicycle paths etc do not intersect with play areas - Clear entries and exits. They should be located along pedestrian paths only. - Substantial buffering - Incompatible uses: industrial areas, railroad tracks, water features, busy roads, prominent intersections - Safe and easy access to associated buildings - Clear line of sight between playground and adjacent adult activities - Variety of microclimates: both sunny and shady - Account for wind
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Neighborhood plans
similar to urban plans, yet they translate the concerns of a comprehensive plan to a smaller scale. address detailed goals, policies, and guidelines related to land uses in a specific neighborhood.
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Multi-Modal Transportation Plan
Address improvements to and investment in a transportation network with an explicit goal of increasing safety and accessibility. TP are used to: Evaluate system capacity, deficiencies and needs Establish goals and objectives Define and prioritize future needs Develop, evaluate, select potential solutions Prepare, adopt plan including public review and comment Implement, monitor and evaluate plan performance
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Wildfires:
30 ft bounding protection zone 100 ft building buffer zone Best fire management - proactive removal of fuel and creating a landscape that provides a fire-resistant buffer surrounding all structures. - vegetation free or only low growing, fire-resistant plant species. - site furniture - nonflammable - no bark mulch
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Post-Occupancy Evaluation (POE)
If the built design meets the needs of the owner and site users
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Adjustments for Shrink/Swell
* Rock and soil volume swell when blasted or excavated. * Rock swells about 50% when blasted. * Soil swells from 12% for sand and gravel to 20% for loam and 25% for clay. These percentages of soil swell are important when estimating loading and hauling costs to or from the site. * Blast rock does not shrink under compaction * Base rock shrinks about 10% under compaction due to fines present. * Soil shrinks under compaction by 12-20% with 15% being an average. (sand=less shrinkage, clay=more shrinkage) This also varies depending on the degree of compaction relative to maximum density at optimum moisture content. Note that these shrinkage figures for compacted soil are calculated based on the raw cut volume (the cut measured prior to figuring in swelling). A common rule of thumb is that the amount of cut measured should be reduced by 15% to account for shrinkage during compaction as fill. Therefore, **you need more cut than fill to balance earthwork on a site**
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Automatic control valve
Automatic control valve - control valves communicate with controller to regulate the flow of water within specific section. Control valves for drip systems are not compatible for spray/ror irrigation and vice versa.
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Noise analysis:
Source and type Direction and distance that noise travels from Duration and intensity of the noise
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Athletic complexes
- they tend to generate noise, traffic, other negative impacts, like light pollution - SHOULD NEVER BE SITED adjacent to RESIDENTIAL USES, then need a buffer in between. - located on sites >20 acres (40-80) -access from main vehicular routes - flat topo -supporting amenities as restroom, bleacher seating, picnic areas etc
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Avoid in Contracts:
Avoid vague languages Avoid hold harmless clauses Avoid guarantees, warranties, certification clauses that require LA to take responsibility for things beyond their control
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Athletic complexes and sports fields (SF) grading and orientation
- SF 1-2% or dead level with substantial under-drainage. - apart from the baseball field (NE orientation) all other best-oriented north-south orientation
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Multi-User trails:
- Should accommodate a range of users including hikers, runners, bicyclists, skaters, broad range fitness levels, graduate difficulty of access. - Main trail network should be paved and designed 5% or less, to meet ADA. Primary for recreation. SAFETY: interaction between bicyclists and walkers. EIther sufficient width or divide them. All trails should have signage.
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Brownfield sites
Any previously developed land that has not been in use All brownfield sites require a Phase I environmental assessment (prior to the sale of the property) to identify presence of any site contamination. Phase II requires identifying the location and remediation method and restrictions to land uses
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Valve box
Valve box - plastic housing that contains 1 or more control valves, located underground have a lid.
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Littoral shelf Прибрежный шельф
The littoral shelf is a shallow area in a water body that is planted with native aquatic vegetation. Plantings located in the littoral shelf are used to filter out the nutrients and improve water quality
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Transportation plans contain:
- Executive summary, goals, and objectives - Description of planning and public outreach strategy - Description of existing conditions (restricted to transportation and land use) -Summary of transportation needs - Projections of future conditions - Development scenarios to meet future conditions - Cost implications and potential funding sources - Implementation plan and [erformance monitoring
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Meeting Types
Community Visioning Charrettes Public Meetings (Informational meetings, public hearings, advisory meetings, workshops, open house, problem-solving meetings)
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Regional Plans
Regional Plans - differ from CP in that they cover geographic areas that cross jurisdiction of government units. Could be defined as watershed boundaries, transportation network etc. All regional plans will contain maps and implementation programs.
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Soil percolation
the downward movement of water in a soil
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Covenants - deed restrictions (Заветы - ограничения на действия) -
consensual agreement that restrict what can be done with private property. Usually private parties impose covenants, the constitute valid contracts, legally enforceable, could forbid to hang laundry outside.
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Comprehensive plans (CP)
Comprehensive plans (CP) establishes a government’s policy for the long term future development (20-30 years). Establish a series of non-binding policy goals. CP are used to: Organise large-scale processes Coordinate decision making at the local level Provide general guidance to landowners, developers, stakeholders Promote informed decision-making Establish direction and consensus related to future development
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Site Design should accomplish
Protect the environment Restore the environmentally degraded areas Reuse already-developed sites Build compact walkable spaces Conserve resources
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Roadways classification
Principal arterial (major arterials, highways) Minor arterial (provide continuous routed through urban landscapes) residential sites do NOT have access to minor arterial Collector - connect local streets with minor arterial, residential sites MAY have access to collector Local - usually short and include numerous traffic control divices
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Concept Design Key goals:
Synthesize data from the site analysis Continue to develop and evaluate the proposed site program and design intent Consider design alternatives Draft a design brief based on design intent Establish performance metrics and key design principles Evaluate relationships among programmatic elements Conceptual level estimate of construction costs Preliminary phasing plan Determine if Interdisciplinary coordination is needed
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Reconstruction (def)
Reconstruction - involves using new construction to accurately depict the form, features, and detailing of a non-surviving historic resource.
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The Galvanic Scale (from most likely to corrode to most protected from corrosion)
Zinc Aluminium Galvanised steel MIld steel, cast iron Lead Tin (олово) Brass (латунь), bronze Copper Silver solder (Серебряный припой) Stainless steel SIlver Graphite Gold
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Eutrophication
overabundance of nutrients (nitrogen, phosphorous) in water, leading to plant growth like algae. Results from fertilizer runoff
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Design determinants:
On site: Physical conditions Regulations and standards Open space (protect natural resources) Boundary interface with off-site properties Off-site: - Neighbourhood community, regional character - Nuisances (like highway that produces noise) - Number and location of site entrances - Presence of significant views
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Acidification
occurs in water due to excessive carbon dioxide or the presence of sulfur and nitrogen compounds. due to air pollution or large scale climate changes processes
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Sediment control practices;
- Sediment basins - Sediment traps - Filter fabric fencing - Straw bale barriers - Drain inlet protection traps - Vegetated filter strips
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Charrettes
for high-stake and complex projects Charrettes - intense design activity when multidisciplinary design team works closely with a group of stakeholders to develop elements of a plan General plan vision-->initial plan concept 1,2,3-->ppublic input-->refined plan 1,2-->public review-->final plan-->Public Confirmation
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Integrated Pest Management (IPM)
- ecosystem based strategy on long term prevention of pests or their damage through a combination of techniques (biological control, habitat manipulation, modification of cultural practices, use of resistant varieties). Techniques should minimise risks to human health, beneficial and non-targeted organisms, and the Environment. growing a healthy crop that can withstand pest attacks, using disease-resistant plants, or caulking cracks to keep insects or rodents from entering a building.
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Fire danger is determined by:
- Existing fuel load - Weather - Topography
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Cost-Plus-Time (A + B Bidding)
Cost-plus-time bidding, more commonly referred to as A + B bidding, reduces total construction cost by making time a factor, in addition to cost, when awarding a contract.
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Benefits of public participation:
- Engaging stakeholders - creating an atmosphere of mutual respect - creating a forum for meaningful discussion - embracing a diversity of viewpoints - sharing and receiving information - incorporating public feedback into the design project - saving time and money through all of the above (mitigating conflict)
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Torts (Правонарушения) -
private or civil wrong, not criminal in nature. Usually settled throw common law interpretations. Torts result from a specific action or failure to act and in this sense violate social norms. Usually related to physical damage, injuries, destruction of property
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Floodplains determined by:
Topography Soils Vegetation types Extent of past flood flows
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Pedestrian Shed Concepts
5 min walk (¼ mile/400m) Applied around bus stops as the maximum distance a typical person will be willing to walk 10 min wal (½ mile or 800m) People are willing to walk further to access rail systems. It also linked to public health goals and applied to neighbourhood parks. CDC considers 10 minute wals to be a cornestone of health - therefore park within 10 minutes walk of every resident. Pedestrian Shed in LEED LEED for Neighborhood Development defines walkability in this way, awarding points “if 50% of dwelling units are within a 1/4 mile walking distance of a bus, streetcar, or rideshare stop, or with a 1/2 mile walking distance of at least one bus rapid transit stop, light or heavy rail station, or commuter ferry terminal. “
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Wetlands
defined by their hydrology, soils, presence of specific vegetation. 1.Marine (open ocean) 2. Estuarine (tidal waters of coastal rivers) 3. Riverine 4. Lacustrine (lakes, reservoirs) 5. Palustrine (marshes, wet meadows, fens, bogs, swamps) Salt marshes -the most important, productive ecosystem types
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Light efficiency ranking
Incandescent 10-25 Fluorescent 40-80 Mercury Vapor 25-60 Induction 63-70 Metal halide 65-105 White high-pressure sodium 75-80 High Pressure sodium (STP) 60-120 Low Pressure sodium 70-150 LED
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Negligence
Negligence - failure of one person to exercise sufficient care or precaution to protect the health and safety of another person. Must compromise health, safety.
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Base-flood elevation (BFE)
that helps identify the flood risk in a certain area. The BFE is the expected water level rise during a flood with a 1% chance of occurring in any given year.
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Low Impact Development:
retaining , evaporation and infiltrating runoff created by development Preserving existing hydrological features (wetlands, floodplains) Limiting area disturbed by construction Controlling stormwater at its source Discouraging large, continuous areas of impervious surface Lengthening the flow path of stormwater and distributing drainage across pervious and vegetated areas Encouraging use of non structural drainage infrastructure (planted swales, rain gardens)
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Marsh
type of wetlands characterized by herbaceous vegetation no taller than 6'
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Strategic Implementation plan characterized by:
- Being a component found within other plan documents - How progress will be measured - Funding and other financial considerations
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Light definitions
Lumens: A quantitative measurement of light energy emitted from a source. One lux is equal to one lumen per square meter. Footcandle: A quantitative measurement that considers the amount of light falling on a point. One footcandle equals one lumen cast upon a square foot area. Efficacy: Ability of a lamp to convert watts into light energy (lumens produced per watts consumed) Efficiency: Used interchangeably with efficacy.
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Public participation is used to:
Actively involve community in the design process Provide a platform to offer input, thereby improving plans, decision making Facilitate dialogue Encourage exploration Provide transparency in decision making Develop project goals Establish performance targets
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Crime Prevention through the Environmental Design (CPTED):
Defensible Space Natural Access control Territorial Reinforcement Natural Surveillance Management and maintenance
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Military Crest
refers to the point on a hill just below the top of the hill that offers greatest visibility of the slope below.
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Site Selection process:
-clarify the project's purpose, goals, requirements - determine the site selection criteria, including factors such as access, utilities, size - identify potential sites - evaluate the suitability of each site, weighing the environmental, economic, and social opportunities and constraints - rank and prioritize the selected sites - select the most suitable site and develop a site selection report to document the results - conduct feasibility studies to determine items such as market analysis, design concepts, project costs
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Pedestrian Circulation
700ft (⅛ mile) maximum distance that people are willing to walk, while UDS refers to ¼-½ mile as a pedestrian shed. Separation - pedestrian systems should be designed to minimize pedestrian conflicts with vehicles and cyclists. Substantial access to pedestrian-only areas. When pedestrians and vehicles/cyclists intersect - pedestrian areas should be clearly identified through signage, pavement changes, other markings Connectivity - the interruptions of the pathway should be minimized. Capacity - pathway widths should correspond to hierarchy, accommodate anticipated traffic Accessibility - should serve all users, direct access from parking to walkways, and entrances. Surfaces and grading are safe for all weather conditions., rest areas are provided. Amenities - furnishing, signage, lighting, vegetation, special material treatment)
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Site sediment controls:
Sediment basins Sediment traps Filter fabric fencing Straw bale barriers Drain inlet protection traps Vegetated filter strips
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ADA Design Considerations:
Stairs are the main obstacle Any level change - potential hazard Ramps and stairs should be provided together if possible Handrails are critical for accessibility Tactile warnings along edge and furniture of can not be detected with guide cane Bollards should never be placed in the centre of the main flow Chain barriers are especially dangerous Seating, restrooms, shade. Water fountain make site easier to navigate ADA Measurements: 90 degree: Parking spot 9’x18’ + 5’ strip 45 degree: 16’x9’ +5’
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Survey Techniques: Surveys: questionnaires and interview, best work when:
They are preceded by pre-notification Contain clear, non-technical language Have a well delineated purpose Are concise and make use of graphics if needed Are not overly difficult or time-consuming
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Performance metrics used to measure
water, microclimate, air quality, sound soils and amendments water vegetation society and culture economics
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FAR Floor area ration
relationship between the gross square footage of the building and the size of the lot
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Natural Access control:
defines entry points, barrier to limit access to a specific site. Limiting access decreasing opportunities for the crime
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Vegetation Design Considerations:
Ecological benefits Human benefits (wind, harsh light, heat, humidity) Heat Island effect reduction Larger trees produce more shade (scale of plants) Seasonal impact (deciduous trees provide shade in summer and no in winter) Windbreakers should be located on the north part of the site If there are trees on the south part - they should be deciduous to benefit from passive heating in winter) Vegetation on east has little impact on the microclimate West - receives the most amount of sun in summer
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Design for Special Populations
Visually Impaired: * Tactile cues (truncated domes, special textures in crosswalks, color standards for ramps and signage) * Audible cues (chirping crosswalks) * Eliminate hazards in paths of travel * Standards for color contrast in signage Elderly or Impaired Mobility: SGLA LARE Prep Course Section 3 30 * Minimize litter-producing plants to keep pavements safe * Provide social spaces that allow wheelchair-bound users to interact with walkers, especially at tables, benches, other amenities * Provide accessible path serving significant destination points * Playgrounds: Provide “transfer stations” allowing easy access to structures and activities for wheelchair-bound children
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ASLA Performance Metrics measurements:
- Weather, microclimate, air quality (ex: temperature, noise) - Soils and Amendments (physical, particle syze, distribution, chemical, biological (organic matter)) - Water (Stormwater quantity, quality (pollutants, pH)) - Vegetation (growth rate. Rooting depth, nutrient levels, disease, pestes, biomass density index) - Society and Culture (comfort, safety, accessibility) - Economics (revenue generation, cost savings)
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Site Master Plan
Site Master Plan Address CP into the scale of a site. SM goals are: Outlining a phased growth Identifying max development for site Highlight critical cultural and environmental resources Considering how sustainable site design measures could be incorporated Incorporate public feedback in sire development
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Playgrounds siting
-provide play areas that are segregated according to age -clear entry and exit points - site away from incompatible uses (busy roads, lakes, industrial uses, intersections, water features) - safe and easy access to associated buildings - clear line of sight - variety of microclimates - account for wind
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Umbrella Excess Liability coverage
provides additional protection to contractors by supplementing the limits of liability offered by underlying liability policies. To extend the limit of liability coverage and uses the limits of a basic liability policy as the deductible amount.
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Soil related risks:
Expansive soil Liquefaction Differential subsidence (дифференциальная просадка) Settlement Landslide
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Surface runoff
is precipitation that runs off the lands surface and flows downhill
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Microclimate key points
- Southern slopes receive the most sun in winter - Southeastern slopes offer the most desirable microclimates - North facing slopes are colder than south facing - Western slopes are hottest in the summer - Cold winter winds blow from the northwest - Cooling summer breezes blow from the southwest - Water features mitigate climate extremes (act as heat sink in the winter and provide cooling effect during summer)
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General site circulation
new site circulation absolutely must connect to the existing one align entries and exits visible entries and exits site circulation should have a hierarchy facilitate wayfinding Hospitals do not follow these site circulation principals
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Expansive soils
Soils that swell when exposed to large amounts of water and shrink when the water evaporates. Large ration of clay. Better to find alternative construction site.
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Irrigation wiring -
Irrigation wiring - connects valves with the controller. Two-wire irrigation system allows to connect valve to one another, so additional valves could be installed without massive excavation.
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Environmental
* Avoid or minimize tree removal, especially significant trees * Minimize or avoiding stream crossings except where needed * Respect setbacks from streams, lakes and wetlands * Avoid placing development in or near sensitive habitat areas * Protect historic/geological/archeological features * Floodplains * Floodplains do not have setbacks. They are lines on a map. * You are prohibited from placing enclosed structures within floodplains. * Road and trail crossing are permitted if needed. * Playfields at the master plan/concept plan level are permitted in floodplains
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Effluent
сточные воды
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Optics.
Optics: A description of the light distribution pattern for a given light fixture.
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Average End Area (cut/fill balance)
* Mainly used by engineers * Primarily for linear systems such as roads and pipelines * Take a series of cross sections at regular intervals * Measure the end area of cut and of fill at each section * Multiply by the distance between sections
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Grid Method (cut/fill balance)
Best for fairly minimal grade changes, flat areas, or highly architectural situations. Rather more work than contour planes method.
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Lighting Definitions
Lumens: A quantitative measurement of light energy emitted from a source. One lux is equal to one lumen per square meter. Footcandle: A quantitative measurement that considers the amount of light falling on a point. One footcandle equals one lumen cast upon a square foot area. Efficacy: Ability of a lamp to convert watts into light energy (lumens produced per watts consumed) Efficiency: Used interchangeably with efficacy. Photometrics: Graphic and numeric representation of light levels produced by a given light fixture and lamp. Often shown as a contour interval plan. A photometric analysis can be generated for an entire site design; the light levels are often represented in a grid of points. Optics: A description of the light distribution pattern for a given light fixture. “Type II” is a common asymmetrical distribution for use along paths or roads; “Type IV” is an asymmetrical distribution for lighting a large area from its edge; “Type V” is a circular distribution for fixtures used in the middle of plazas and parking lots Color rendering: quantitative measure of the ability of a light source to reproduce the colors of various objects faithfully in comparison with an ideal or natural light source Incident Illumination: The amount of light reaching a surface. Voltage Drop: Gradual decrease in voltage that occurs along the length of a 12-volt power feed wire.
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Complete Streets
**Complete streets** is a transportation policy and design approach that requires streets to be planned, designed, operated and maintained to enable safe, convenient and comfortable travel and access **for users of all ages and abilities regardless of their mode of transportation.**
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Mesophytes, Hydrophyte, Xerophyte
Mesophytes - plant with moderate consumption of water Hydrophytes - adapted to living in watery conditions. Xerophytes - are the opposite of hydrophytes, and are plants adapted for living in extremely dry conditions
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Bicycle facilities are classified in 3 groups (based on pavement and relation to vehicle lanes)
Class 1 - Shared use paths separate from auto traffic. Includes greenways, off-road paths, and multi-use recreational trails. Class 2 - Bike lanes and roadbed shoulders. One-way routes that flow along with traffic (two-way bike lanes on one-way streets sometimes.) Separated from auto traffic by painted lines Class 3 - Cyclist shares the roadway environment with motor vehicles.
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Recommended Levels of Illumination
Building Entry - Active Use 50 lux/ 5 FC Streets - Residential 5 lux/ 0.5 FC Park Walkways 5 lux/ 0.5 FC Roadways - Commercial & Mixed 10 lux/ 1 Building Entry - Infrequent Use 10lux/ 1 FC Front Walk to Houses 10lux/ 1 FC Self-Parking Lots 10 lux/ 1 FC Recreational Basketball 100 lux/ 10 FC Class I Football 1000 lux/ 100 FC
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Incident Illumination
Incident Illumination: The amount of light reaching a surface
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Feet to yard Cubic yard to ft3 to inch3 1 acre to sq ft
1 acre=43560 sq ft = 4840 sq yards 1 cubic yard = 27 sq ft = 46656 sq inch 1 yard = 3 feet = 36 inch A cubic yard of materials can cover 100 sq ft at 3 inch deep
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Pollarding
Pollarding is a pruning system involving the removal of the upper branches of a tree, which promotes the growth of a dense head of foliage and branches.
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Pleaching
Pleaching or plashing is a technique of interweaving living and dead branches through a hedge creating a fence, hedge or lattices.
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Espaliering planting
Espaliering is the technique of growing a woody plant on a flat plane using the plant's trunk and limbs to form a pattern against walls, fences or other structures, or as a freestanding work of botanical art anywhere in the yard.
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