CEPSCI Construction Site Best Management Practices

Question 1

A stabilized construction entrance is designed to:

Accepted Answer

Remove mud and debris from vehicle tires to prevent tracking onto public roads

Answer

Provide parking for construction workers

Answer

Mark the boundary of the construction site

Answer

Support heavy equipment on soft soil

Question 2

What is the recommended aggregate size for a stabilized construction entrance?

Accepted Answer

Coarse aggregate 1.5 to 3 inches in diameter

Answer

Fine sand (0.5 to 1 mm)

Answer

Crushed concrete fines

Answer

Topsoil

Question 3

Inlet protection BMPs are installed at storm drain inlets to:

Accepted Answer

Prevent sediment-laden runoff from entering the storm drain system and being conveyed directly to receiving waters

Answer

Increase the capacity of the storm drain

Answer

Filter pollutants from stormwater after it enters the pipe

Answer

Mark the location of underground pipes

Question 4

What is the purpose of a concrete washout area on a construction site?

Accepted Answer

To contain wash water and concrete waste from concrete trucks and equipment, preventing discharge to the stormwater system

Answer

To wash construction workers' clothing

Answer

To cool concrete in hot weather

Answer

To store concrete blocks and materials

Question 5

Which BMP is most effective for controlling erosion on a steep slope that cannot be immediately seeded?

Accepted Answer

Erosion control blanket or turf reinforcement mat installed on the slope surface

Answer

Silt fence at the base only

Answer

Gravel mulch applied at the top

Answer

Temporary fence posts only

Question 6

A pipe slope drain is used to:

Accepted Answer

Convey runoff down a steep slope in a controlled manner without causing erosion

Answer

Measure the slope gradient of the site

Answer

Filter sediment from flowing water

Answer

Connect two sediment basins