Design Professionals
After reviewing the PICP presentations, evaluate your knowledge with this quiz.
1.) The thickness of which layer is typically specified to meet hydrologic or structural requirements?
a) Concrete pavers
b) Open-graded bedding course
c) Open-graded base reservoir
d) Open-graded sub-base reservoir
2.) PICP helps to mimic predevelopment hydrology due to increased:
a) Evaporation
b) Infiltration
c) Surface runoff
d) Reduced rainfall
3.) PICP should not be installed at locations with:
a) Water tables near the ground surface
b) Existing pavement
c) Clay soils
d) Undisturbed soils
4.) To improve surface infiltration rates, PICP is best maintained with a(n):
a) Excavator
b) Broom sweeper
c) Vacuum sweeper
d) Fire hose
5.) PICP can be less expensive than conventional concrete and asphalt pavement primarily due to:
a) Reduced installation costs
b) Reduced cost of pavement materials
c) Reduced need for stormwater infrastructure
d) Reduced volume of pavement materials
6.) PICP can be designed to handle loads from:
a) Cars and light trucks
b) School buses
c) Transfer trucks
d) All of the above
7.) Which of the following steps is NOT recommended before installing PICP?
a) Compact soil
b) Check water table depth
c) Locate nearby drinking water wells
d) Stabilize watershed
8.) The surface infiltration rate of newly installed PICP is typically:
a) 0 - 10 in/hr
b) 10 - 100 in/hr
c) 100 - 1,000 in/hr
d) low until several rainfall events have occurred
9.) After exposure to fine particles and sediment, PICP infiltration rates are typically:
a) Less than the surrounding soil
b) Roughly the same as the surrounding soil
c) Greater than the surrounding soil
d) Effectively impermeable
10.) Infiltration into the subsoil can be encouraged by:
a) Installing a geotextile
b) Pre-compacting the subsoil before construction
c) Leaving a gravel storage layer below the underdrain
d) Reducing surface infiltration rates to that of the subsoil
11.) PICP structural design consists of:
a) PICP specific design procedures
b) Standard flexible pavement design procedures
c) Based entirely on hydrologic design
d) Following PPIA guidelines
12.) Sand should be applied to the PICP surface in cold climates to improve traction.
a) True
b) False
13.) All PICP systems require underdrains.
a) True
b) False
14.) Base course aggregate should be washed before installation.
a) True
b) False
15.) Impermeable pavement must be used to meet ADA requirements.
a) True
b) False