Jenny's Notes Flashcards
How many square feet in one acre?
43,560
How many square feet are required for 1 parked car?
400 sq ft
What is a check in regards to the U.S. Survey that divided land?
An area 24 miles on a side defined by parallels and meridians
What is a township in regards to the U.S. Survey that divided land?
An area 6 miles on a side.
16 townships per check
What is a section in regards to the U.S. Survey that divided land?
1 square mile of land containing 640 acres
What is a quarter section in regards to the U.S. Survey that divided land?
An area 1/2 miles on each side
Slope of storm drains
0.3% min
Slope of sanitary sewers
0.4% - 1.4%
Slope of surface street drainage
0.5% min
Slope of planted areas or large pavers
1% min
Slope of lawns
25% max
Slope of planted beds
50% max
Slope of parking area/lot
5% max
Slope of automobile ramps
8% max
Slope of sidewalks
10% max
Slope of streets/paved driveways
10% max
What is the angle of repose for loose wet clay or silt?
30%
What is the angle of repose for dry compacted clay?
100%
What is the angle of repose for wet sand?
80%
What is the angle of repose for dry sand?
65%
Grade separation is required where there are more than _____ cars per hour at an intersection.
3,000
A traffic light is required at intersections where there are more than _____ cars per hour.
750
A verbal description of land that begins at a known point and describes the bearing and length of each side of the property until the point of the beginning is reached.
Metes and bounds
Elevated artificial channel that carries fast moving water and is used to transport things like logs and fish.
Flume
An embankment, levee, or dam formed to hold a river or stream or divert water flow.
Weir
Based on latitude, elevation, and proximity to water.
Macroclimate
Based on solar radiation, the angle between the ground and altitude
Microclimate
Max bearing pressure for foundation soil: bedrock
10,000 psf
Max bearing pressure for foundation soil: well graded gravel/sand
3,000 - 12,000 psf
Max bearing pressure for foundation soil: compacted sand/fill
2,000 - 3,000 psf
Max bearing pressure for foundation soil: silt/ clay
1,000 - 4,000 psf
How many accessible parking spaces are required for a parking lot of 7-50 cars?
2 accessible spaces
How many accessible parking spaces are required for a parking lot of 51-100 cars?
3 accessible spaces
How many accessible parking spaces are required for a parking lot of 101-150 cars?
5 accessible spaces
