403A Building Codes

Question 1

Which code serves as the model building code for most provinces and territories in Canada?

Accepted Answer

The National Building Code of Canada (NBC)

Answer

The International Building Code (IBC)

Answer

The Canadian Standards Association Code (CSA)

Answer

The Uniform Building Code (UBC)

Question 2

According to the NBC, what is the minimum ceiling height for habitable rooms in a residential dwelling?

Accepted Answer

2.3 m (7 ft 7 in.)

Answer

2.0 m (6 ft 7 in.)

Answer

2.1 m (6 ft 11 in.)

Answer

2.4 m (7 ft 10 in.)

Question 3

What is the maximum riser height permitted for residential stairs under the NBC?

Accepted Answer

200 mm (7-7/8 in.)

Answer

175 mm (6-7/8 in.)

Answer

210 mm (8-1/4 in.)

Answer

225 mm (8-7/8 in.)

Question 4

Under the NBC, what is the minimum width of an egress door in a dwelling unit?

Accepted Answer

810 mm (32 in.)

Answer

710 mm (28 in.)

Answer

860 mm (34 in.)

Answer

910 mm (36 in.)

Question 5

What does Part 9 of the National Building Code of Canada primarily cover?

Accepted Answer

Housing and small buildings (3 storeys or less, 600 m² or less)

Answer

Structural design of commercial buildings

Answer

Fire protection systems for high-rise buildings

Answer

Plumbing and drainage standards

Question 6

According to the NBC, what is the minimum guard (guardrail) height required for residential balconies?

Accepted Answer

900 mm (35 in.)

Answer

1070 mm (42 in.)

Answer

1200 mm (47 in.)

Answer

1500 mm (59 in.)