How should an exposed soil stockpile be managed during stormwater-controlled construction?
Correct Answer
D) Stabilize, cover, or perimeter-control it as required
Exposed stockpiles are sediment sources and need stabilization, cover, or perimeter controls.
Why This Is the Correct Answer
Exposed stockpiles are sediment sources and need stabilization, cover, or perimeter controls.
Why the Other Options Are Wrong
Option A: Place it in a drainage swale
The trap in A is Place it in a drainage swale. That selection is wrong because the option does not produce the required Soil stockpile perimeter control outcome, Stabilize, cover, or perimeter-control it as required.
Option B: The site crew should leave it unprotected until final payment
Choice B gives Leave it unprotected until final payment. Its specific error: it shifts the question into contract administration money flow.
Option C: Mix it with concrete washout and clean up the area later
Choice C (Mix it with concrete washout) is rejected because it solves the wrong trade problem; the field result tied to Soil stockpile perimeter control is Stabilize, cover, or perimeter-control it as required.
Memory Technique
File soil stockpile perimeter control under a flashing lip: condition first, number or duty second, answer Stabilize, cover, or perimeter-control it as required.
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 - erosion and sediment controls" to confirm that Exposed stockpiles are sediment sources and need stabilization, cover, or perimeter controls.
More NASCLA Questions
Bid instructions require bid security with each sealed bid. Which purpose should the estimator associate with that requirement?
A wood deck surface has 320 sf of coverage. Boards have a 5-1/2 in. actual face width, and the order includes an 8 percent cutting allowance. What linear footage is closest?
Using the dimensions shown for the stabilized construction entrance, what is the plan area?
A reroof area requires 14,720 sf of rigid insulation. Boards are 4 ft by 8 ft, and the order includes 5 percent waste. How many boards are needed?
Two addenda revise the drawings before bid day. What must a responsive bidder normally do with those addenda?
A utility trench is 180 ft long, 3 ft wide, and 7 ft deep with vertical sides inside a trench shield. What excavation volume is required?
A 120 ft long Type C trench is cut with a 4 ft bottom width and a 6 ft depth. If side slopes are 1-1/2 horizontal to 1 vertical, what excavation volume is closest?
A storm pipe run needs 240 ft of bedding, 4 ft wide and 6 in. thick. Including a 10 percent ordering allowance, how many cubic yards of bedding aggregate are needed?
A mass excavation produces 1,180 loose cubic yards of material for off-site disposal. End-dump trucks can haul 18 loose cubic yards per trip. What truck count is required?
An asphalt-shingle roof has a slope of 3:12. Under the IBC low-slope asphalt-shingle provisions, what underlayment arrangement is required?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Project Management
60 questions · 70% to pass