B2-Codes/Bylaws

Question 1

What is the minimum sound transmission class (STC) rating between dwelling units?

Answer 1

50

Question 2

What is the minimum height of guards on a deck not more then 1.8 m above adjacent ground level?

Answer 2

900 mm

Question 3

What is the maximum spacing for the attachments of handrails?

Answer 3

1.2 m

Question 4

How much natural unobstructed ventilation is required in a combination living-dining room area in a dwelling unit?

Answer 4

.28 m2

Question 5

What is the code reference that describes the location of warm-air supply outlets in finished rooms in a dwelling unit?

Answer 5

9.33.6.12 (1) & (2)

Question 6

What is the minimum thickness of lumber of plywood treads for stairs within a dwelling unit where the distance between the stringers is less than 750 mm?

Answer 6

25 mm

Question 7

What minimum clearance is required between wood siding and grade?
Question 7

Answer 7

200 mm

Question 8

What is the minimum acceptable strength for unreinforced concrete in the exterior steps?

Answer 8

32 MPa

Question 9

What is the minimum distance that the joints in the top plates of a loadbearing wall should be staggered?

Answer 9

At least one stud spacing

Question 10

What is the distance of windows to the adjacent ground at which the requirements for resistance to forced entry?

Answer 10

2.0 m

Question 11

What is the required attic venting for a 10 m x 20 m house with a roof slope of greater than 1 in 6?

Answer 11

0.66 m

Question 12

What is the maximum allowable backfill depth above the basement floor of a laterally supported 150 mm foundation wall, 2.6 m high using 15 MPa unreinforced concrete?
Question 12

Answer 12

1.5 m

Question 13

What is the required size of a lintel spanning 1.82 m (6’) supporting the roof and ceiling load and one storey in a building using No. 2 S-P-F and a 1 kPa snow load?

Answer 13

38 x 184 mm (2-2 x 8)

Question 14

What is the maximum allowable span for a lintel made up of two-38 mm x 235 (2 x 10) Hem-Fir members in an exterior wall with non-structural sheathing supporting a roof without attic storage and 1 kPa snow load?

Answer 14

2.78 m

Question 15

What is the maximum moisture content acceptable in lumber used in construction?

Answer 15

19%

Question 16

What is the maximum deflection allowable in roof trusses supporting a gypsum board ceiling?

Answer 16

1/360 of the clear span

Question 17

What is the minimum width of a bathroom door in a single-family home with one bathroom having a hallway of 900 mm?

Answer 17

760 mm

Question 18

What is the minimum height of a guard located in a dwelling unit excluding stairs and landing?
Question 18

Answer 18

900 mm

Question 19

What is the maximum spacing for spindles located in guards on landing in a stair serving not more than one dwelling unit?

Answer 19

100 mm

Question 20

What is the minimum plywood thickness acceptable as roof sheathing on trusses spaced 600 mm (24”) O.C., with edges supported by H clips?

Answer 20

9.5 mm (3/8 in)

Question 21

The parts of the British Columbia Building Code that carpenters are concerned with most often are

Answer 21

Fire Protection, Occupant Safety and Accessibility Part 9: Housing and Small Buildings

Question 22

What is required in order to use a section of a municipality’s sidewalk for construction purposes?

Answer 22

hoarding permit

Question 23

Travel distance required to reach an exit is based on building use, floor area, and occupant load. In what type of building is a greater travel distance allowed?

Answer 23

sprinklered

Question 24

What is the minimum exit width for passageways, corridors, and ramps for public use?

Answer 24

1100

Question 25

What are the fire resistance ratings and clean air supply ventilation requirements for fire- protected areas defined as refuge areas?

Answer 25

one hour and two hours

Question 26

What it the maximum slope of a ramp for assembly, care or detention, and residential occupancies?

Answer 26

1 in 10

Question 27

What is the standard minimum width of ramps required for persons with disabilities?

Answer 27

1500 mm

Question 28

Guards must be installed on a floor level, ramp or stair when there is a risk of falling more than which of the following dimensions?

Answer 28

600 mm

Question 29

What is the required height of guards if the distance from the walkway to the ground is less than 1.8 m?

Answer 29

900 mm

Question 30

What is the occupancy classification of hotels and motels? Question 30

Answer 30

Group C occupancy

Question 31

Under the BCBC, classrooms for assembly uses would have an occupant load of one person per every 1.85 m². If the classroom floor area were 5.4 m x 8.2 m, what would the occupant load be? Question 31

Answer 31

24