Sedimentation and erosion control certification Questions Completed With A+ Graded Answers
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Course
Virginia Erosion and Sediment Control Inspector
Institution
Virginia Erosion And Sediment Control Inspector
Erosion - Correct Answer is the process by which land surface is worn away by the action of wind, water, and gravity.
Sedimentation - Correct Answer is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion - Correct Answer wind , water
Water...
Sedimentation and erosion control
certification Questions Completed With
A+ Graded Answers
Erosion - Correct Answer is the process by which land surface is worn away by the action of wind, water,
and gravity.
Sedimentation - Correct Answer is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion - Correct Answer wind , water
Water erosion can be classified as either ______ erosion or _____ erosion - Correct Answer overland ,
stream
Four processes of overland erosion - Correct Answer splash erosion, sheet erosion, rill erosion, gully
erosion
Four principle factors influencing soil erosion are - Correct Answer soil characteristics, vegetative cover,
topography, climate
Physical effects of erosion and sedimentation - Correct Answer increase flooding, reduce hydraulic
capacity, increased maintenance of storm water systems, increased water treatment costs, decreased
recreational value
Biological effects of erosion and sedimentation - Correct Answer reduced light for aquatic plants, clogs
fish gills, impairs spawning, disrupts food chain, blankets bottom, disrupts ecosystem
Minimize the _______ of the area exposed at one time and the ______ of exposure - Correct Answer
extent, duration
Apply __________ practices to protect the disturbed area from off-site runoff and to protect off-site
areas from sediment damage - Correct Answer perimeter control
, Apply ________ practices to prevent excessive on site damage - Correct Answer erosion control
Keep runoff velocities _____ and _____ runoff on site - Correct Answer low , retain
Stabilize disturbed areas ________ after final grading - Correct Answer inmediately
Implement a thorough ____ and ____ (inspection) program - Correct Answer maintenance, follow up
Type A soils have ___ infiltration rates and ___ runoff potential. Examples - Correct Answer high, low
(Sand)
Type D soils have _____ infiltration rates and _______ runoff potential. Examples - Correct Answer low,
high (muck, clay)
Based on EPA guidance, FDEP has determined that ______ also meet the definition of construction
activities - Correct Answer demolition
Any type of soil disturbance over 1 acre must get ______ permit - Correct Answer CGP (Construction
Generic Permit)
A CGP is required for projects that disturb _____ or more acres of land - Correct Answer 1
The CGP permit requires inspections how often? - Correct Answer weekly and within 24 hours of the
end of a storm 1/2 inch or greater
A storm water event with a ______ hour break in between is still considered one storm water event -
Correct Answer 4
The CGP permit requires sediment basins for areas _____ or more - Correct Answer 10 acres
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