F2 - Prepare Site

Question 1

what is the alternative form a gravity fed drainage system?

Answer 1

A pumped system

Question 2

what should you do if you are excavating near a line?

Answer 2

shut off the services to that line

Question 3

Existing services should be bedded in what?

Answer 3

Sand

Question 4

where should the building be if the building is constructed in a floodplain area.

Answer 4

the lowest floor system above the 200 year high-water level

Question 5

Required height above high tide level can range from?

Answer 5

2m - 10m

Question 6

what should be done with topsoil on site?

Answer 6

stripped off, piled separately and tarpped over

Question 7

no work is to take place until what is done to protect the public?

Answer 7

hoarding and barricades set up

Question 8

what is used to predict environmental consequences?

Answer 8

environmental impact assessment (EIA)

Question 9

What do Biophysical effects include?

Answer 9

Wildfire, water, soils, or possibly economic or social environments

Question 10

what is done to remove still water on site?

Answer 10

using wells or well points

Question 11

what is a perimeter drainage system and where is it located?

Answer 11

Drain tile and or pipe installed at the footing level around the outside

Question 12

what are most perimeter drain pipes made from today?

Answer 12

PVC

Question 13

perforated drain pipe has what and is installed how?

Answer 13

2 rows of small holes and is installed with the holes down

Question 14

True or false. A perforated pipe can be installed level

Answer 14

True, and can also slope away from building

Question 15

Building Code requires the top of the pipe to be where?

Answer 15

below the bottom of the basement slab

Question 16

how big typically is drain pipe?

Answer 16

4 inches in diameter

Question 17

how should 90 degree corners be made?

Answer 17

2 - 45 degree fittings or 1 long sweep

Question 18

where should a clean out be installed?

Answer 18

the top end of the drainage system, and or where it leaves a building

Question 19

how much drain rock is needed over top of the pipe for coverage?

Answer 19

150mm (6”)

Question 20

what should the drain rock not include?

Answer 20

sand or small sediments

Question 21

what is laid on top of the drain rock?

Answer 21

filter cloth

Question 22

what is the minimum that grad is to be below top of foundation wall?

Answer 22

6-8 inches min

Question 23

what can be used instead of a perimeter drainage system and what does is consist of?

Answer 23

a granular drainage system, consists of 5 inch layer under the entire building and extends past 12” past the footings

Question 24

how thick of granular lay should be in wetter cities?

Answer 24

125mm clean drainage layer

Question 25

when are sump pumps allowed in the BCBC?

Answer 25

in new construction granular drainage

Question 26

what is the minimum grade for a storm sewer pipe?

Answer 26

1%

Question 27

what should a drain pipe lead to if storm sewer or ditch is not available?

Answer 27

a dry well

Question 28

what is a dry well and how far away from a building should it be?

Answer 28

A large Pit filled with rocks and 5 meters from the building

Question 29

what should downspouts be connected too?

Answer 29

a separate non perforated PVC pipe drain system

Question 30

what slope is minimum for the downspout/leader system?

Answer 30

1:100 (1/8th” per foot)

Question 31

how often should septic tanks be pumped out?

Answer 31

3 to 5 years

Question 32

where must the drywall bottom be?

Answer 32

above the water table

Question 33

BCBC requires no rocks ___ mm or larger be allowed in the back fill within ___ mm of a foundation wall

Answer 33

250mm, 600mm

Question 34

what are some soil materials that should not be in backfill?

Answer 34

sulphates, pyritic materials

Question 35

what does pyritic do to foundations?

Answer 35

when exposed to air due to weathering, it will expand and cause a foundation wall to collapse

Question 36

what is a good general rule for sloping material away from building?

Answer 36

slope at least 1.8 meters from the building (6ft)`

Question 37

moisture in what 2 soils can cause freezing and crack a foundation wall?

Answer 37

silt and clay

Question 38

what is the min for a foundation wall to extend above grade?

Answer 38

150mm (6”)

Question 39

siding that is subject to rot must be ___mm above grade and ___ mm above sidewalk

Answer 39

200mm (8”) , 50mm (2”)

Question 40

what is a swale?

Answer 40

a downward depression to direct water away from the building

Question 41

how thick is the sand to be under and over a service?

Answer 41

100mm min under, 150mm over

Question 42

where should a warning tape be set above a service?

Answer 42

600mm 12”

Question 43

how many days should a foundation be allowed to cure before backfilling?

Answer 43

14 days

Question 44

What forms Glacial Till?

Answer 44

anything from silt to cobbles

Question 45

what is something that cause a building to settle?

Answer 45

compaction of soils

Question 46

question on test: answer

Answer 46

7 inches

Question 47

what is the main reason for settlement of buildings?

Answer 47

compressibility of the soil