MD Erosion and Sediment Control Prep Exam Questions And All Correct Solutions.
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Course
Maryland E&S Certification
Institution
Maryland E&S Certification
woven silt film - Answer used in silt fences, super silt fences and standard inlet protections
woven monofilament - Answer used in temporary stone outlet and gabion outlet structures
Nonwoven geotextile - Answer commonly used in practices like inflow and outflow protections, at grade...
MD Erosion and Sediment Control Prep
Exam Questions And All Correct
Solutions.
woven silt film - Answer used in silt fences, super silt fences and standard inlet protections
woven monofilament - Answer used in temporary stone outlet and gabion outlet structures
Nonwoven geotextile - Answer commonly used in practices like inflow and outflow protections, at
grade, median curb inlet protections, and in all dewatering practices
Galvanized Chain Link Fence - Answer Used in super silt fence and diversion fence
gabion baskets - Answer Used in inflow and inlet protections, minimum 11 gauge wire, stone size used
to fill baskets 4-7"
compost - Answer Decomposed organic material that is produced when bacteria in soil break down
garbage and biodegradable trash, making organic fertilizer
stabilized construction entrance - Answer Reduces tracking of Sediment onto roadways, provides stable
area for egress and ingress from construction site
benching - Answer Provides erosion control and vegetative establishment for extreme changes in
grade, provides subsurface drainage where necessary for slope stability, to be free of sediment during
construction
vegetative stabilization - Answer Promotes establishment of vegetation on exposed soil (disturbed
areas) not stabilized by other methods, requires 95 % ground cover
incremental stabilization - Answer Excavate and stabilize in increments less than 15', seeding and
mulching to be done as work progresses
, Vegetative Stabilization-Soil Preparation - Answer requires seed bed preparation and application of
lime and fertilizer in the top 3"-5"soil by disking or other means
soil stabilization matting - Answer Material used to temporarily or permanently stabilize channels or
steep slopes until ground cover is established
stockpile area - Answer Side slopes not steeper than 2:1,
Access should be from the upslope side,
Runoff must drain to a sediment control practice
follow benching criteria when height exceeds 20 feet
earth dike - Answer Directs a sediment laden water to traps, Diverts clear water away from disturbed
areas, Maximum drainage area (DA) and slope-10 acres & 10%, Dike to divert clear water should be lined
with matting or stone
temporary swale - Answer Directs a sediment laden water to traps
perimeter dike/swale - Answer A combination of the earth dike and temporary swale,
Handles drainage areas less than 2 acres
temporary storm drain diversion - Answer A temporary swale or pipe that directs a storm drain system
into a sediment basin or trap
Used to prevent sediment laden water entering a storm drain system and redirects it to a trap or basin
temporary asphalt berm - Answer a temporary macadam mound which directs sediment laden runoff
to sediment control, intercepts and diverts clear water, and segments drainage area
clear water diversion pipe - Answer Used to convey clear water in conjunction with sand bags around a
work area in a drainage way,
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