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NBC > NBC CLEARANCES AND DIMENSIONS > Flashcards

NBC CLEARANCES AND DIMENSIONS Flashcards

1
Q

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

A

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

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2
Q

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

A

750 mm.

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3
Q

minimum clear opening of emergency windows

A

820 mm. wide and 1 meter high

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4
Q

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

A

820 mm. from FFL

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5
Q

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

A

3 meters

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6
Q

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

A

300 mm

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7
Q

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

A

1.8 meters

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8
Q

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

A

1.20 meters high

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9
Q

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.

A

less than 300 mm.

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10
Q

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

A

3

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11
Q

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

A

4

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12
Q

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

A

1/5 of the perimeter of the area

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13
Q

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

A

45 meters

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14
Q

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)

A

60 meters

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15
Q

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

A

1300 sq. cm ( 13 x 100 cm)

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16
Q

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

A

900 mm width and 2 meters high

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17
Q

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

A

700 mm

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18
Q

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

A

1.20 meters

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19
Q

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

A

50 mm

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20
Q

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)

A

200 mm

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21
Q

(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?

A

2 meters

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22
Q

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

A

1.10 meters

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23
Q

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

A

900 mm

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24
Q

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

A

6 meters

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25
Q

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

A

5mm

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26
Q

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

A

250 mm

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27
Q

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

A

150 mm

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28
Q

stairways having less than - risers should need not have handrails

A

4

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29
Q

minimum and maximum height of handrail

A

800-900

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30
Q

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

A

2 m.

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31
Q

capacity of floor area from a horizontal exit

A

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

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32
Q

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

A

10.76 Lux

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33
Q

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

A

800 mm

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34
Q

minimum width of aisle (in general) serving both sides

A

1 meter

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35
Q

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

A

30 mm

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36
Q

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

A

45 meters

37
Q

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

A

7

38
Q

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)

A

30

39
Q

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

A

1 m.

40
Q

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

A

6 meters in length

41
Q

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

A

1 in 8

42
Q

Maximum door size of steel fire doors

A

4’ x 10’ or 1220 mm x 3050 mm

43
Q

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

A

840 mm

44
Q

minimum width of seat for continental seating

A

450 mm width

45
Q

limit of rows and height of stands made of combustible framing

A

11 rows or 2.70 meters high

46
Q

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

A

600 mm width

47
Q

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

A

750 mm width

48
Q

minimum clear width of passage for stands, grandstands, bleachers

A

300 mm width

49
Q

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

A

400 mm width

50
Q

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

A

450-480 mm width

51
Q

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

A

15

52
Q

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

A

6

53
Q

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

A

11 rows

54
Q

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

A

300

55
Q

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

A

280

56
Q

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

A

2.55 mm. Diameter

57
Q

spacing between supports for flat wired glass in skylights

A

625 mm

58
Q

spacing between supports for corrugated wired glass

A

1.5 meters

59
Q

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

A

6 meters above grade

60
Q

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

A

12.5 mm thick

61
Q

depth of firebox

A

500 mm

62
Q

minimum distance of the metal hood from combustible materials

A

400 mm

63
Q

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

A

no. 18 gauge

64
Q

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

A

1.20 meters

65
Q

stage floor shall be designed to support not less than

A

620 kg. per sq. meters

66
Q

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

A

367 kgs. per sq.m

67
Q

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

A

50 mm

68
Q

size of platforms without the need of ventilators

A

45 sq. meters (9 x 5)

69
Q

minimum width of exit stairs from each fly gallery

A

750 mm

70
Q

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

A

2.10 meters from floor level

71
Q

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

A

5.6 mm thick and 1.2 m long

72
Q

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

A

5.6 mm thick

73
Q

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

A

4.8 mm thick

74
Q

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

A

6.4 mm thick

75
Q

glass lights dimensions

A

300 x 500 (1.5 sq. m)

76
Q

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)

A

1 meter

77
Q

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

A

1.2 meters width and 3 meters high

78
Q

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

A

.60 meters width and 5 meters high

79
Q

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

A

.30 meters

80
Q

projecting signs should be - meter away from electrical lines

A

1 meter

81
Q

thickness of glass in millimeters

A

8, 10, 12, 15

82
Q

8 mm. glass should have a maximum dimension of

A

1.10 x 1.10 (1.21 sq. m)

83
Q

10 mm. glass should have a maximum dimension of

A

2.25 x 2.25 (5.06 sq. m)

84
Q

12 mm. glass should have a maximum dimension of

A

3 x 3 (9 sq. m)

85
Q

15 mm. glass should have a minimum dimension of

A

3 meters or more

86
Q

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

A

14 seats

87
Q

minimum projection of signs from fire escapes exits, or standpipes

A

300

88
Q

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

A

300 mm

89
Q

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

A

1 meter

NBC (2 decks)

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