Stormwater Erosion and Sedimentation Control Exam With Detailed Questions And Expert Answers
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Course
Virginia Erosion and Sediment Control Inspe
Institution
Virginia Erosion And Sediment Control Inspe
Erosion - Answer Process by which the land surface is worn away by the action of wind, water, and gravity
Sedimentation - Answer Settling out of soil particles transported by wind and water.
Water Erosion Classifications - Answer Overland and Stream/Channel
Four Processes of Overland Erosi...
Stormwater Erosion and Sedimentation Control Exam
With Detailed Questions And Expert Answers
Erosion - Answer Process by which the land surface is worn away by the action of wind, water, and
gravity
Sedimentation - Answer Settling out of soil particles transported by wind and water.
Water Erosion Classifications - Answer Overland and Stream/Channel
Four Processes of Overland Erosion - Answer Splash/Drop, Sheet, Rill, Gully
3 Physical Effects of Erosion and Sedimentation - Answer Increased Flooding
Reduced hydraulic capacities in Rivers, Streams, Channels, Reservoirs
Increased maintenance of stormwater systems
Increased water treatment costs
Decreased recreational value
3 Biological Effects of Erosion and Sedimentation - Answer Reduced light for aquatic plants
Clogs fish gills
Impairs spawning
Disrupts food chain
Blankets bottom
Suppresses aquatic life
Disrupts ecosystem
Planning the development to fit the terrain using the particular - - Answer Topography
Soil
Drainage patterns
, Natural vegetation of the site
Minimize the extent of the area exposed at one time and duration of exposure
Perimeter Controls - Answer Protect the disturbed area from off-site runoff
Protect off-site areas from sediment damage
Erosion Conteol - Answer Prevent on-site damages
Keep ____ low and ____ runoff from site - Answer Low
Retain
Stabilized Disturbed Areas ____ after final grading to prevent _____ from causing erosion - Answer
Immediately
Raindrop Impacts
Implement a thorough _____ and _____ (inspection) program as required in the Construction Generic
Permit (CGP) - Answer Maintenance
Follow up
Clay and Much - Answer Soil particles smaller than .002mm
Cause most erosion and turbidity problems in Florida and World
Soils in Type A Hydrologic Group - Answer Low infiltration rates
High runoff potential when thoroughly wetted
Rainfall Index - Answer Only factor in the Universal Soil Loss Equation which is beyond the developers
control
Slope ___, ____ and ____ are the factors that are most easily manipulated by the developer - Answer
Length, Gradient and Cover Factor
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