SECTION H

Question 1

drainage for driveways

Answer 1

min 0.5%
max 20%

Question 2

drainage for walkways

Answer 2

min 0.5%
max 10%

Question 3

drainage for patios

Answer 3

min 0.5%
max 2%

Question 4

drainage for greenspace

Answer 4

min 2%
max 20%

Question 5

what does BM mean

Answer 5

benchmark- permanent object that has a known elevation

Question 6

what does TBM

Answer 6

temporary benchmark- moveable object that has known elevation

Question 7

what does TP mean

Answer 7

turning point- fixed object used when determining the elevation of the other points. *think of turning points as stepping stones in your level survey

Question 8

what does HI mean

Answer 8

height of instrument- the elevation of the line of sight established by the instrument

Question 9

what does BS mean

Answer 9

backsight- reading on the rod when held on a known or assumed elevation, used to figure out the HI

Question 10

what does FS mean

Answer 10

foresight- reading on the rod when held at a location where the elevation is to be determined, used to establish the elevation of another location, often turning point

Question 11

what does IFS mean

Answer 11

intermediate foresight- reading on the rod when held at a location where the elevation is to be determined but not used as a turning point

Question 12

the three grading purposes for a site

Answer 12

1. reform the land surface to make it compatible with the land use
2. establish and control drainage patterns
3. define character/aesthetics of site

Question 13

bioswale

Answer 13

surface contours meant to collect and slow rainfall runoff while directing water to an outflow point

Question 14

groundwater recharge

Answer 14

practice of directing rainfall or snowmelt into designed or natural spaces

Question 15

plant behaviour due to insufficient drainage

Answer 15

reduced vigor and growth (ROOTS!)
chlorosis
root death or damage
signs of disease infection

Question 16

hydroseeding

Answer 16

application of seed mixed in a slurry of mulch and other materials onto soil from a hose, preventing erosion

Question 17

Answer 17

curb inlet with grate
for high velocity and curb flow

Question 18

Answer 18

circular grate
even direct flow

Question 19

Answer 19

rectangular grate
uneven flow directions

Question 20

Answer 20

square grate
even direct flow

Question 21

drainage depth and spacing considerations

Answer 21

soil permeability
plant material growing on site
soil management practices
surface drainage amounts
depth to impermeable layer

Question 22

private/public utilities

Answer 22

fibre optics
gas lines
septic
hydro
water
sewer