NBC CLEARANCES AND DIMENSIONS

Question 1

In toilets, bathrooms, laundry rooms and similar without artificial ventilation should have an opening with an area not less than what?

Answer 1

1/20 of floor area and not less than 240 sq. mm.

Question 2

eaves, canopies, awnings over required windows shall not be less than — mm from the side and rear property lines

Answer 2

750 mm.

Question 3

minimum clear opening of emergency windows

Answer 3

820 mm. wide and 1 meter high

Question 4

bottom of the opening or the stool of emergency windows should not be more than?

Answer 4

820 mm. from FFL

Question 5

clearance between the established grade of the street and/or sidewalk and the lowest under the surface of any part of the balcony/arcade/canopy/marquee shall not be less than

Answer 5

3 meters

Question 6

horizontal clearance between the outermost edge of the canopy/marquee/awning/hood and the curb line shall not be less than

Answer 6

300 mm

Question 7

materials to be stored at or near the construction sites shall be piled or stacked in an orderly manner to avoid toppling over or be displaced. No materials shall be piled or stacked higher than

Answer 7

1.8 meters

Question 8

piles exceeding this height shall be arranged that the sides and ends of the piles taper back

Answer 8

1.20 meters high

Question 9

except for Group A occupancies, ramp shall be provided when there is a change in floor elevation of less than — mm. serving a tributary occupant load of 10.

Answer 9

less than 300 mm.

Question 10

the least number of exits for an occupant load of 500-999

Answer 10

3

Question 11

the least number of exits for an occupant load of 1000 or more

Answer 11

4

Question 12

if only 2 exits are required, they shall be placed a distance to not less than (in all occupant load of > 10)

Answer 12

1/5 of the perimeter of the area

Question 13

no point in a building without a sprinkler system shall be more than – meters from an exit door (in all occupant load of > 10)

Answer 13

45 meters

Question 14

In a building equipped with a complete automatic fire extinguishing system, the distance from exits may be increased to – meters. (in all occupant load of > 10)

Answer 14

60 meters

Question 15

double acting door shall be provided with a view panel not less than (exit door in all occupant load of > 10)

Answer 15

1300 sq. cm ( 13 x 100 cm)

Question 16

exit doors should have a minimum width and height of (exit door in all occupant load of > 10)

Answer 16

900 mm width and 2 meters high

Question 17

exitway should not be less than (exit door in all occupant load of > 10)

Answer 17

700 mm

Question 18

maximum door leaf width of an exit door (exit door in all occupant load of > 10)

Answer 18

1.20 meters

Question 19

the landing on the side of the exit door should not be – mm lower than the threshold of the doorway

Answer 19

50 mm

Question 20

for Groups C-J, the landing on the side of the exit door should not be more than — mm below the floor level. (exit door in all occupant load of > 10)

Answer 20

200 mm

Question 21

(when additional doors are provided for exit door) approved revolving doors having leaves which will collapse under opposing pressures may be used in exit situations; provided that such doors have a minimum width of?

Answer 21

2 meters

Question 22

corridor or exit balcony shall not be less than — meters in width.

Answer 22

1.10 meters

Question 23

corridors or exit balconies should have a minimum width of — mm when doors are opened.

Answer 23

900 mm

Question 24

corridors and exit balconies with dead ends should not exceed - meters in length

Answer 24

6 meters

Question 25

tolerance of dimensions between landings in a stairway (corridors and exterior exit balconies in all occupant load of > 10)

Answer 25

5mm

Question 26

circular stairways used as an exit provided the minimum width of run is not less than

Answer 26

250 mm

Question 27

no case in a circular stairway shall any width of the run be less than

Answer 27

150 mm

Question 28

stairways having less than - risers should need not have handrails

Answer 28

4

Question 29

minimum and maximum height of handrail

Answer 29

800-900

Question 30

every required stairway shall have a headroom clearance of not less than

Answer 30

2 m.

Question 31

capacity of floor area from a horizontal exit

Answer 31

.30 sq. meters net floor area per ambulatory and 1.90 sq. meters per non-ambulatory occupant

Question 32

exits shall be illuminated at any time the building is occupied with lights having an intensity of not less than

Answer 32

10.76 Lux

Question 33

if serving only one side, an aisle (in general) shall have a minimum width of

Answer 33

800 mm

Question 34

minimum width of aisle (in general) serving both sides

Answer 34

1 meter

Question 35

increments of aisle (in general) width for every meter going to the exit, cross aisle or foyer

Answer 35

30 mm

Question 36

maximum line of travel to an exit door by an aisle (in general)

Answer 36

45 meters

Question 37

maximum number of seats between the wall and an aisle (in general)

Answer 37

7

Question 38

maximum seat number when exit doors are provided along each side of aisle of the row of seats at the rate of 1 pair of exit floors for every 5 rows of seats (in general)

Answer 38

30

Question 39

30 seats along each side of aisle of the row of seats (with 1 pair of exit floors for every 5 row of seats) should have a minimum distance back to back at least

Answer 39

1 m.

Question 40

In group C,H and E occupancies, aisles should not be provided a dead end greater than (in general)

Answer 40

6 meters in length

Question 41

slope portion of aisles shall not exceed a fall of (in general)

Answer 41

1 in 8

Question 42

Maximum door size of steel fire doors

Answer 42

4' x 10' or 1220 mm x 3050 mm

Question 43

minimum spacing of rows of seats back-to-back for continental seating

Answer 43

840 mm

Question 44

minimum width of seat for continental seating

Answer 44

450 mm width

Question 45

limit of rows and height of stands made of combustible framing

Answer 45

11 rows or 2.70 meters high

Question 46

minimum spacing of seats from back to back for stands, grandstands, bleachers without backrest

Answer 46

600 mm width

Question 47

minimum spacing of seats from back to back for stands, grandstands, bleachers with backrest

Answer 47

750 mm width

Question 48

minimum clear width of passage for stands, grandstands, bleachers

Answer 48

300 mm width

Question 49

maximum rise between rows of seats for stands, grandstands, bleachers

Answer 49

400 mm width

Question 50

minimum and maximum width of seat for stands, grandstands, bleachers

Answer 50

450-480 mm width

Question 51

maximum number of seats for stands, grandstands, bleachers between aisles in exterior setting

Answer 51

15

Question 52

maximum number of seats for stands, grandstands, bleachers between aisles in interior setting

Answer 52

6

Question 53

maximum number of rows for stands, grandstands, bleachers between aisles in exterior setting

Answer 53

11 rows

Question 54

rise from row to row of aisles for stands, grandstands, bleachers between aisles in exterior setting

Answer 54

300

Question 55

minimum width of run for stands, grandstands, bleachers' stairs

Answer 55

280

Question 56

diameter of wire on screen protecting skylight glass should not be smaller than

Answer 56

2.55 mm. Diameter

Question 57

spacing between supports for flat wired glass in skylights

Answer 57

625 mm

Question 58

spacing between supports for corrugated wired glass

Answer 58

1.5 meters

Question 59

ordinary glass may be used in the roof of skylights for greenhouses provided that height of the greenhouses at the ridge does not exceed

Answer 59

6 meters above grade

Question 60

thickness of glass used for floors or sidewalks for the transmission of light

Answer 60

12.5 mm thick

Question 61

depth of firebox

Answer 61

500 mm

Question 62

minimum distance of the metal hood from combustible materials

Answer 62

400 mm

Question 63

gauge of copper, galvanized iron, or other corrosion resistant ferrous metal with all seams and connection of smokeproof unsoldered construction for metal hoods used as part of a fireplace/barbecue

Answer 63

no. 18 gauge

Question 64

2 hour incombustible construction of proscenium wall shall extend not less than --- meters above the roof over the auditorium

Answer 64

1.20 meters

Question 65

stage floor shall be designed to support not less than

Answer 65

620 kg. per sq. meters

Question 66

gridirons and fly galleries should support a live load of not less than

Answer 66

367 kgs. per sq.m

Question 67

tight-fitting trap doors of wood shall have a nominal thickness of

Answer 67

50 mm

Question 68

size of platforms without the need of ventilators

Answer 68

45 sq. meters (9 x 5)

Question 69

minimum width of exit stairs from each fly gallery

Answer 69

750 mm

Question 70

exhaust ducts if discharge into corridors/hallways/arcades/sidewalks should be installed not less than

Answer 70

2.10 meters from floor level

Question 71

minimum thickness and maximum length of glass in jalousies and louvered windows

Answer 71

5.6 mm thick and 1.2 m long

Question 72

bath tub and shower enclosures shall be constructed from approved shatter-resistant materials such as wire-reinforced glass not less than

Answer 72

5.6 mm thick

Question 73

bath tub and shower enclosures shall be constructed from approved shatter-resistant materials such as fully tempered glass

Answer 73

4.8 mm thick

Question 74

bath tub and shower enclosures shall be constructed from approved shatter-resistant materials such as laminated safety glass that is (thickness)

Answer 74

6.4 mm thick

Question 75

glass lights dimensions

Answer 75

300 x 500 (1.5 sq. m)

Question 76

sign or structure must not project more than - meter into the public alley where the sign or sign structure is located more than 4.5 meters above established sidewalk grade (clearances from fire escapes, exit, or standpipes)

Answer 76

1 meter

Question 77

signs projecting to a sidewalk should be --- meters minimum and - meters high

Answer 77

1.2 meters width and 3 meters high

Question 78

signs projecting to an arcaded sidewalk should have a minimum of -- meters and should be - meters high

Answer 78

.60 meters width and 5 meters high

Question 79

signs projecting to a RROW w/o a side walk should have a minimum of

Answer 79

.30 meters

Question 80

projecting signs should be - meter away from electrical lines

Answer 80

1 meter

Question 81

thickness of glass in millimeters

Answer 81

8, 10, 12, 15

Question 82

8 mm. glass should have a maximum dimension of

Answer 82

1.10 x 1.10 (1.21 sq. m)

Question 83

10 mm. glass should have a maximum dimension of

Answer 83

2.25 x 2.25 (5.06 sq. m)

Question 84

12 mm. glass should have a maximum dimension of

Answer 84

3 x 3 (9 sq. m)

Question 85

15 mm. glass should have a minimum dimension of

Answer 85

3 meters or more

Question 86

minimum number of seats for every row between aisles (in general)

Answer 86

14 seats

Question 87

minimum projection of signs from fire escapes exits, or standpipes

Answer 87

300

Question 88

signs located 3 meters to 4.5 meters above established sidewalk grade should not project more than --- mm into the public alley.

Answer 88

300 mm

Question 89

signs located 4.5 meters above established sidewalk grade should not project more than - meter into the public alley.

Answer 89

1 meter