A storm cuts rills down a newly graded slope. What is the appropriate response?
Correct Answer
D) Repair erosion, stabilize the slope, and improve runoff controls.
Erosion damage indicates stabilization and runoff controls are inadequate.
Why This Is the Correct Answer
Erosion damage indicates stabilization and runoff controls are inadequate.
Why the Other Options Are Wrong
Option A: The site crew should wait until final acceptance
Choice A gives Wait until final acceptance. Its specific error: it leaves the work at an informal or incomplete stage, while Erosion after storm requires Repair erosion, stabilize the slope, and improve runoff controls.
Option B: Base the erosion after storm response on blade sediment into the creek
Choice B (Blade sediment into the creek.) is rejected because it points to Blade sediment into the creek. but.
Option C: The site crew should remove all slope drains
In site construction, Remove all slope drains. is the wrong selection for Erosion after storm: it answers the Erosion after storm prompt with the wrong practical move.
Memory Technique
Use the phrase "problem, control, result" for erosion after storm; the result side is Repair erosion, stabilize the slope, and improve runoff controls.
Reference Hint
Open Developing Your Stormwater Pollution Prevention Plan, EPA 833-R-06-004, 2007; use the index entry or section for "EPA 833-R-06-004 - SWPPP development / permit and inspection topics" to confirm that Erosion damage indicates stabilization and runoff controls are inadequate.
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