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CEPSCI Practice Exam 24 Questions and Answers Grade A+
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CEPSCI Practice Exam 24 Questions and Answers Grade A+
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1|Page | © copyright 2024/2025 | Grade A+CEPSCI Practice Exam 24 Questions
and Answers Grade A+
Storm Water Runoff Measures
✓ Pipe Slope Drain
✓ Runoff Diversion Measures
✓ Temporary Stream Crossing
✓ Construction De-Watering
✓ Buffers and Flow Control
PIpe Slope Drain
✓ Pipe slope drains are used when it is necessary for water to flow down
slope without causing erosion, especially before slope is been stabilized
or before permanent drainage structures are installed.
Pipe Slope Drain: Pipe Seperates
✓ Reconnect pipe sections. Securely anchor and stabilize pipe into soil.
Ensure pipe joints are water tight.
Pipe Slope Drain: Pipe Outlet Erodes
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ Repair the damage and stabilize the outlet with a flared end section,
riprap, TRM or velocitiy dissipation device. If necessary, reduce flows
being discharged
Pipe Slope Drain: Pipe Becomes Clogged
✓ Flush out pipe. Place a screen or grate at inlet to capture trash and
large particles.
Runoff Diversion Measures
✓ - Diversion dikes and berms (ridges of compacted soil) used to divert
upslope clean water runoff from crossing areas with high risk of erosion
✓ - Temporary silt ditches or swales (excavated depressions) used to
direct sediment laden runoff unto sediment control BMPs.
Runoff Diversion Measures Installation
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ Clear and grub all objects in path of structure. Ensure minimum
constructed cross section meets all dimensions shown on plans
✓ Construct and stabilize using vegetation, sod, and ECBs or TRMs before
any major land disturbing activity takes place
✓ Minimize construction traffic over dikes or berms
✓ Inspect diversion dikes and silt ditches after specified intervals
Runoff Diversion Measures: Trouble Shooting
Dikes Wash Out
Area Behind Dikes Erode
Concentrated Flow Causes Erosion
Ditches and Swales Erode Due to High Velocity Flows
✓ 1. Regrade, compact, and stabilize the soil used to build earthen dikes
✓ 2. Stabilize the area. Use other BMPs to stabilize the uphill side of the
dike
✓ 3. Stabilize area and use check dams, ECBs, TRMs, or riprap to prevent
erosion
✓ 4. Stabilize and use check dams, ECBs, TRMs, or riprap to prevent
erosion
Temporary Stream Crossing
Master01 | October, 2024/2025 | Latest update
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