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Issues in Engineering (CIVL 3011) > BMPs > Flashcards

BMPs Flashcards

1
Q

What are Best Management Practices?

A

Strategies that help reduce human impact on the environment.

  • Results Based
  • Rely on accountability of professionals
  • Strengthen Due Diligence defense
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2
Q

What are the objectives of BMPs?

A

Maintain natural capital and environmental values during development of urban or rural areas

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3
Q

What are some of the main areas covered by BMPs?

A
  • Community Planning
  • Consultation
  • Climate Change
  • Heritage & Archeology
  • Noise
  • Ecosystems, species and habitat
  • Sediment and Erosion Control
  • Pollution Prevention
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4
Q

What is Community Planning in relation to BMPs?

A

Healthy Built Environment influences Physical and Mental Health:

  • emissions, air, water & soil
  • noise
  • light
  • distances people travel
  • conveniences of active lifestyle
  • safety
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5
Q

What is Consultation in relation to BMPs?

A

Public consultation especially with First Nations and includes:

  • giving public notice
  • providing access to information
  • conducting general public consultation
  • consulting with people/organizations
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6
Q

How is Climate Change integrated into BMPs?

A
  • Designs that minimize GHGs
  • Designs that use products with lower CO2 footprints
  • Construction practices that minimize GHG emissions
  • Use of Carbon sinks with vegetation
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7
Q

What is the design criteria in relation to Climate Change?

A
  • higher sea levels
  • greater storm surges
  • changes in precipitation
  • increase in peak flood events
  • increased wind loading
  • increase in wildfirest
  • increase in annual temperature
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8
Q

What are Heritage Sites?

A

Land or water that has heritage value to the community or aboriginal people

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9
Q

What are Archaeological sites?

A

sites consisting of physical remains of past human activity

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10
Q

How old does a site have to be to be automatically protected by the BC Heritage Conservation Act?

A

any site predating 1846

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11
Q

What are Archaeological Overview Assessments? (AOAs)

A

Initial review of known information in the area to determin likelihood of an archeological site

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12
Q

What does Noise Control involve?

A
  • Removing the source
  • Removing the receptor
  • Protecting the receptor
  • Control and reduction measures
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13
Q

What are examples of Noise reduction measures?

A
  • Equipment position
  • Turning off equipment
  • Noise blankets
  • Noise barriers
  • Quiet pavement
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14
Q

What is Air Quality in relation to BMPs?

A
  • System design and selection
  • Traffic congestion minimizing
  • materials used
  • set backs from busy roads
  • location of vents/ discharges
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15
Q

How are BMPs implemented in relation to Ecosystems, Species & Habitat?

A
  • Gathering detailed information on environmentally valuable resources near site
  • Locate development in less sensitive areas
  • Avoid building on or alterating floodplains
  • Provide buffer zones around valued areas
  • Provide wildlife corridors
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16
Q

What is a Buffer?

A

An area left in a natural state around a sensitive source

17
Q

What is Erosion?

A

removal of soil particles by action of water, wind, ice or gravity

18
Q

What is Sediment?

A

Naturally occurring material transported by water, wind, ice or gravity

19
Q

What is the relationship between Erosion and Settlement?

A

Erosion creates sediment; therefore if less erosion occurs, less sediment control is needed

20
Q

What are the two Erosion & Sediment BMPs?

A

Source Control (Erosion reduction) BMPs

Sediment Control BMPs

21
Q

What does Erosion potential depend on?

A
  • Soil type
  • Vegetative cover
  • Slope steepness
  • Slope Length
  • Precipitation intensity and duration
22
Q

What are the major principles of Erosion and Sediment Control?

A
  1. Plan the development to fit the site
  2. Minimize the extend and duration of disturbed areas
  3. Stabilize and protect disturbed areas
  4. Keep runoff velocities low
  5. Protect disturbed areas from runoff
  6. Retain sediment within site
  7. Implement thorough maintenance and checkup program
23
Q

What is a Diversion in Erosion & Sediment Control?

A
  • Interceptor ditches or swale on uphill boundaries of site
  • Requires outlet structures with sediment control
  • Ditches may require lining to limit erosion
24
Q

How is overland flow/ water velocity controlled in Erosion and Sediment Control?

A
  • Mulching
  • Matting
  • Seeding
  • Rip Rap
25
Q

What are examples of Sediment Control?

A
  • Natural vegetation leave strips
  • Silt fences
  • Sediment trap, sump or pond
26
Q

What may pass through Sediment control structures?

A

Pollutants that are carried in solution or fixed on clay sized particles

27
Q

What are common Pollutants?

A
  • Pesticides
  • Fertilizers
  • Hydrocarbons
  • Concrete wash water
  • Hazardous chemicals

Issues in Engineering (CIVL 3011) (9 decks)

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