Grading
the difference in elevation between each contour line
What is contour interval?
storm water that moves on the ground and flows into streams, ponds, lakes, etc.
What is storm runoff?
basic form of a road
What is a ridge?
water flows along contour lines
What is perpendicular?
What is layout plan?
graphic convention for an existing contour
What is a dotted line?
open drainage system to convey water
What is a swale?
max slope of a ramp
What is 8.33% or 1:12?
name of artist Nilay worked with to create mound in Hornner Park
Who is Santiago X?
3 categories of dimensions
What is fixed, semifixed, flexible dimensions?
slope equation
What is S = DE / L?
drains away from a structure to avoid moisture and structural issues
What is positive drainage?
needed when stairs are wider than 6'
What is intermediate handrail?
number of contour lines required to indicate a 3D form
What is 2?
graphic convention shows existing tree to be removed
What is an X?
warped plane, 2% standard slope for positive drainage, typically have curbs to keep runoff onsite
What is parking lot?
Secret Bonus!!
Secret Bonus!!
vertical change before landing needed in stairs
What is 5 feet?
decreases in steepness as it loses elevation
What is a concave slope?
measurement taken after construction has begun
What is field dimension?
2 topographic factors that influence a site's potential for erosion
What is length & degree of slopes?
wet ponds, detention facilities, infiltration facilities, water quality basins, green roofs, cisterns, rain gardens, constructed wetlands
What is a Best Management Practice for storm water management?
slope when stairs should be used
What is greater than 5%?
no soil removed or added to a site
What is balanced cut and fill?
prevents ponding on roadway, increases speed of storm water runoff, & helps reinforce separation between opposite lanes of traffic
What is a crown?