1. NBC Flashcards
In toilets, bathrooms, laundry rooms and similar without artificial ventilation should have an opening with an area not less than what?
1/20 of floor area and not less than 240 sq. mm.
eaves, canopies, awnings over required windows shall not be less than — mm from the side and rear property lines
750 mm.
minimum clear opening of emergency windows
820 mm. wide and 1 meter high
bottom of the opening or the stool of emergency windows should not be more than?
820 mm. from FFL
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
3 meters
horizontal clearance between the outermost edge of the canopy/marquee/awning/hood and the curb line shall not be less than
300 mm
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
1.8 meters
piles exceeding this height shall be arranged that the sides and ends of the piles taper back
1.20 meters high
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.
less than 300 mm.
the least number of exits for an occupant load of 500-999
3
the least number of exits for an occupant load of 1000 or more
4
if only 2 exits are required, they shall be placed a distance to not less than (in all occupant load of > 10)
1/5 of the perimeter of the area
no point in a building without a sprinkler system shall be more than – meters from an exit door (in all occupant load of > 10)
45 meters
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)
60 meters
double acting door shall be provided with a view panel not less than (exit door in all occupant load of > 10)
1300 sq. cm ( 13 x 100 cm)
exit doors should have a minimum width and height of (exit door in all occupant load of > 10)
900 mm width and 2 meters high
exitway should not be less than (exit door in all occupant load of > 10)
700 mm
maximum door leaf width of an exit door (exit door in all occupant load of > 10)
1.20 meters
the landing on the side of the exit door should not be – mm lower than the threshold of the doorway
50 mm
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)
200 mm
(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?
2 meters
corridor or exit balcony shall not be less than — meters in width.
1.10 meters
corridors or exit balconies should have a minimum width of — mm when doors are opened.
900 mm
corridors and exit balconies with dead ends should not exceed - meters in length
6 meters
tolerance of dimensions between landings in a stairway (corridors and exterior exit balconies in all occupant load of > 10)
5mm
circular stairways used as an exit provided the minimum width of run is not less than
250 mm
no case in a circular stairway shall any width of the run be less than
150 mm
stairways having less than - risers should need not have handrails
4
minimum and maximum height of handrail
800-900
every required stairway shall have a headroom clearance of not less than
2 m.
capacity of floor area from a horizontal exit
.30 sq. meters net floor area per ambulatory and 1.90 sq. meters per non-ambulatory occupant
exits shall be illuminated at any time the building is occupied with lights having an intensity of not less than
10.76 Lux
if serving only one side, an aisle (in general) shall have a minimum width of
800 mm
minimum width of aisle (in general) serving both sides
1 meter
increments of aisle (in general) width for every meter going to the exit, cross aisle or foyer
30 mm
maximum line of travel to an exit door by an aisle (in general)
45 meters
maximum number of seats between the wall and an aisle (in general)
7
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)
30
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
1 m.
In group C,H and E occupancies, aisles should not be provided a dead end greater than (in general)
6 meters in length
slope portion of aisles shall not exceed a fall of (in general)
1 in 8
Maximum door size of steel fire doors
4’ x 10’ or 1220 mm x 3050 mm
minimum spacing of rows of seats back-to-back for continental seating
840 mm
minimum width of seat for continental seating
450 mm width
limit of rows and height of stands made of combustible framing
11 rows or 2.70 meters high
minimum spacing of seats from back to back for stands, grandstands, bleachers without backrest
600 mm width
minimum spacing of seats from back to back for stands, grandstands, bleachers with backrest
750 mm width
minimum clear width of passage for stands, grandstands, bleachers
300 mm width
maximum rise between rows of seats for stands, grandstands, bleachers
400 mm width
minimum and maximum width of seat for stands, grandstands, bleachers
450-480 mm width
maximum number of seats for stands, grandstands, bleachers between aisles in exterior setting
15
maximum number of seats for stands, grandstands, bleachers between aisles in interior setting
6
maximum number of rows for stands, grandstands, bleachers between aisles in exterior setting
11 rows
rise from row to row of aisles for stands, grandstands, bleachers between aisles in exterior setting
300
minimum width of run for stands, grandstands, bleachers’ stairs
280
diameter of wire on screen protecting skylight glass should not be smaller than
2.55 mm. Diameter
spacing between supports for flat wired glass in skylights
625 mm
spacing between supports for corrugated wired glass
1.5 meters
ordinary glass may be used in the roof of skylights for greenhouses provided that height of the greenhouses at the ridge does not exceed
6 meters above grade
thickness of glass used for floors or sidewalks for the transmission of light
12.5 mm thick
depth of firebox
500 mm
minimum distance of the metal hood from combustible materials
400 mm
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
no. 18 gauge
2 hour incombustible construction of proscenium wall shall extend not less than — meters above the roof over the auditorium
1.20 meters
stage floor shall be designed to support not less than
620 kg. per sq. meters
gridirons and fly galleries should support a live load of not less than
367 kgs. per sq.m
tight-fitting trap doors of wood shall have a nominal thickness of
50 mm
size of platforms without the need of ventilators
45 sq. meters (9 x 5)
minimum width of exit stairs from each fly gallery
750 mm
exhaust ducts if discharge into corridors/hallways/arcades/sidewalks should be installed not less than
2.10 meters from floor level
minimum thickness and maximum length of glass in jalousies and louvered windows
5.6 mm thick and 1.2 m long
bath tub and shower enclosures shall be constructed from approved shatter-resistant materials such as wire-reinforced glass not less than
5.6 mm thick
bath tub and shower enclosures shall be constructed from approved shatter-resistant materials such as fully tempered glass
4.8 mm thick
bath tub and shower enclosures shall be constructed from approved shatter-resistant materials such as laminated safety glass that is (thickness)
6.4 mm thick
glass lights dimensions
300 x 500 (1.5 sq. m)
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)
1 meter
signs projecting to a sidewalk should be — meters minimum and - meters high
1.2 meters width and 3 meters high
signs projecting to an arcaded sidewalk should have a minimum of – meters and should be - meters high
.60 meters width and 5 meters high
signs projecting to a RROW w/o a side walk should have a minimum of
.30 meters
projecting signs should be - meter away from electrical lines
1 meter
thickness of glass in millimeters
8, 10, 12, 15
8 mm. glass should have a maximum dimension of
1.10 x 1.10 (1.21 sq. m)
10 mm. glass should have a maximum dimension of
2.25 x 2.25 (5.06 sq. m)
12 mm. glass should have a maximum dimension of
3 x 3 (9 sq. m)
15 mm. glass should have a minimum dimension of
3 meters or more
minimum number of seats for every row between aisles (in general)
14 seats
minimum projection of signs from fire escapes exits, or standpipes
300
signs located 3 meters to 4.5 meters above established sidewalk grade should not project more than — mm into the public alley.
300 mm
signs located 4.5 meters above established sidewalk grade should not project more than - meter into the public alley.
1 meter
