Atlas Building Laws 4 Flashcards
RA 9514 new stairs minimum width clearance for < 5 occupants
0.915 m
RA 9514 new stairs minimum width clearance for < 2000 persons
1.12 m
RA 9514 new stairs minimum width clearance for > 2000 persons
1.42 m
RA 9514 new stairs maximum height of risers
0.18 m
RA 9514 new stairs minimum height of risers
0.10 m
RA 9514 new stairs minimum width of run (exclusive of nosing)
0.28 m
RA 9514 new stairs maximum width of nosing
5 mm
RA 9514 new stairs maximum height between landings
3.66 m
RA 9514 new stairs minimum headroom clearance for stairs
2 m
RA 9514 existing stairs minimum width clearance
0.915 m
RA 9514 existing stairs maximum height of risers
0.205 m
RA 9514 existing stairs minimum height of risers
-
RA 9514 existing stairs minimum width of run (exclusive of nosing)
0.23 m
RA 9514 existing stairs maximum width of nosing
-
RA 9514 existing stairs maximum height bet. landings
3.66 m
RA 9514 existing stairs minimum headroom clearance for stairs
2 m
BP 220 minimum width clearance
0.60 m
BP 220 maximum height of risers
0.25 m
BP 220 minimum height of risers
-
BP 220 minimum width of run (exclusive of nosing)
0.20 m