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WorksheetsNBC 3
Total questions: 50
Worksheet time: 50mins
Maximum distance of an accessible elevator from the entrance of a building
30 meters
25 meters
35 meters
20 meters
Minimum height of signs on walls and doors for the disabled to see comfortable
1.40 meters
1.50 meters
1.30 meters
1.60 meters
Minimum door width for an accessible elevator
700 mm
800 mm
900 mm
1000 mm
Minimum dimensions for an accessible water closet stall
1.70 x 1.80 meters
1.60 x 1.70 meters
1.50 x 1.50 meters
1.40 x 1.50 meters
Maximum height of signs on walls and doors for the disabled to see comfortably
1.60 meters
1.70 meters
1.50 meters
1.80 meters
Minimum width of a parking slot for the disabled
3.50 meters
3.60 meters
3.70 meters
3.80 meters
Minimum run of a stair for Group A dwellings (residential)
200 mm
250 mm
300 mm
350 mm
Minimum ceiling height from 3rd floor to succeeding floors with artificial ventilation
1.80 meters
1.90 meters
2.00 meters
2.10 meters
Minimum area of rooms for human habitation
6 sqm
8 sqm
10 sqm
12 sqm
Least dimension of rooms for human habitation
0.90 meter
1.00 meter
1.50 meters
2.00 meters
Least dimension of an air duct
150 mm
200 mm
250 mm
300 mm
Maximum encroachment into a public sidewalk of a foundation at least 600 mm below the grade line
600 mm
500 mm
400 mm
300 mm
Minimum width of an exit door
60 cm
80 cm
90 cm
100 cm
Maximum width reduced by handrails and doors fully opened to balconies and corridors
150 mm
200 mm
250 mm
300 mm
Minimum width of stairs serving more than 50 occupants
900 mm
1000 mm
1100 mm
1200 mm
Minimum width of stairs serving less than 10 occupants
700 mm
750 mm
800 mm
850 mm
Maximum reduction in width of a stair due to trims and handrails
80 mm
90 mm
100 mm
110 mm
Minimum run of a winding stair
130 mm
140 mm
150 mm
160 mm
Allowable tolerance in the rise and run of every step
3.5 mm
4.0 mm
5.0 mm
5.5 mm
Width of stair requiring an intermediate handrail
2.00 meters
2.50 meters
3.00 meters
3.50 meters
Minimum width of an aisle serving both sides
1000 mm
900 mm
800 mm
700 mm
Maximum number of seats between the wall and the aisle
9
8
7
6
Maximum distance between the back of each seat to the front of the seat behind it
350 mm
300 mm
250 mm
200 mm
Maximum width of seat in a stand
500 mm
480 mm
460 mm
450 mm
Maximum projection of a penthouse or other projections above the roof
8.00 meters
8.20 meters
8.40 meters
8.50 meters
Maximum ratio of a penthouse area to that of the supporting roof
1/2
1/3
1/4
1/5
Minimum thickness of masonry chimney for residentials
50 mm
100 mm
150 mm
200 mm
Minimum thickness of rubble stone masonry chimney for residentials
150 mm
200 mm
250 mm
300 mm
Minimum firebox wall thickness
150 mm
200 mm
250 mm
300 mm
Minimum thickness of smoke chamber back walls
150 mm
200 mm
250 mm
300 mm
Minimum thickness of front and side smoke chamber walls
150 mm
200 mm
250 mm
300 mm
Minimum number of storeys requiring one or more dry standpipes
2
3
4
5
Minimum volume of water a dry standpipe should provide
700 liters / minute
800 liters / minute
900 liters / minute
1000 liters / minute
Diameter of a dry standpipe requiring a two-way Siamese connection
4" (100 mm)
5" (125 mm)
6" (150 mm)
Diameter of a dry standpipe requiring a three-way Siamese connection
4" (100 mm)
5" (125 mm)
6" (150 mm)
Diameter of a dry standpipe requiring a four-way Siamese connection
4" (100 mm)
5" (125 mm)
6" (150 mm)
Minimum volume of water an interior wet standpipe should provide
190 liters / minute
180 liters / minute
170 liters / minute
160 liters / minute
Minimum diameter of a wet standpipe
2" (50 mm)
2 1/2" (63 mm)
Standard diameter of a dry standpipe opening
2" (50 mm)
2 1/2" (63 mm)
Standard length of a fire hose
21 meters
22 meters
23 meters
24 meters
Maximum distance of a hose nozzle to any portion of a building
5 meters
6 meters
7 meters
8 meters
Standard diameter of a wet standpipe valve
38 mm (1 1/2")
63 mm (2 1/2")
50 mm (2")
Maximum projection into a sidewalk of a sign 4.50 meters above grade
900 mm
1000 mm
1100 mm
1200 mm
Minimum vertical clearance from the bottom of a signage to an arcaded sidewalk
4.00 meters
4.50 meters
5.00 meters
5.50 meters
Minimum vertical clearance from the bottom of a signage to an non-arcaded sidewalk
2.80 meters
3.00 meters
3.20 meters
3.50 meters
Number of days of work abandonment of stoppage for a building permit to expire
30 days
60 days
90 days
120 days
Width of planting strip for sidewalks 2.00 meters in width
500 mm
600 mm
700 mm
800 mm
Minimum horizontal distance of the curb line to the outermost face of an arcade
500 mm
600 mm
700 mm
800 mm
Maximum vertical clearance of an arcade above grade
3 meters
4 meters
5 meters
6 meters
Maximum run of a winding stair
200 mm
250 mm
300 mm
350 mm
