“SCHEDULE,
[reg. 94.]
Minimum ReqUIREMENTS FOR CONSTRUCTION AND MateriALS TO BE CAPABLE OF RESISTING THE ACTION of Fire FOR SPECIFIED PERIODS.
Construction and Materials
Table A-Walls and partitions.
Minimum thickness in
HOLLOW BLOCK
CONSTRUCTION.
Clay blocks
Plastered at least 4 inch
Construction and Materials
4
Salto CekiRUG-
אומות
Bricks of clay,
concrete or sand lime
No plaster
*Where plastered at least ☀ inch thick on each slõe and where the wall does not exceed 10 feet in either
height or length, the
inches (excluding plaster) for period of
2
1 + hours. hours. hour. hour.
thickness for this period may be 4 inches.
Concrete Blocks |Claxe } Aggregate
No plaster
4
3
21
Plastered at least 4 inch
thick on each side
4
24
Class 2 Aggregate
No plaster
4
3
Gypsum blocks
Plastered at least 4 inch
thick on each side
No plaster .........**** Plastered at least 4 inch
thick on each side
Wood wool slabs Plastered at least & inch
2
3
3
1
thick on each side |
2
N
Reinforced
Aggregate in accordance
Concrete
with by-law 3.02, with
minimum concrete cover
to reinforcement of 1 inch
7
3
3
Flaster board
Supported at top and
bottom edges in strel channels and plastered on each side at least † inch thickness with gypsum plaster.
3
thick on each side and shells not less than 3 inch thick-
I cell in each block and
cach block not less
than 50 per cent. solid
I cell in each block and
each block not less
than 30 per cent. solid
2 cells in each block and
cach block not less
than 30 per cent. solid
2 cells in each block apd
each block not less
than 30 per cEOL solld
Concrete blocks Plastered at least 3 inch thick
on each side and I cell in
wall thicknes
Class 1 Aggregate
Class 2 Aggregate
Gypsum blocks. Not less than 70 per cent.
CAVITY WALL
CONSTRUCTION.
solid:
No pluster
Plastered at least † inch
thick on each side................
Walls constructed in
accordance with by-law 5.16| (e) of solid bricks or
blocks of clay, CUD- crete or sand lime- Thickness of each leaf
(6) with outer leaf, not
less than 4 inches thick of solid bricks or; blocks of clay, concrete or sand lime:
Minimum thickness in inches (excluding plaster)
for period of
2 1 +
bours. hours. hour. bour,
6
82
41
24
2
بي
बभ
3
2 2