Specifications

MIIATD-1472E
?
L
t--l
c
DIMENSION
MINIMUM
MAXIMUM RECOMMENDED
A
Tresddepthrange:
For 50° rise
150 mm (6 tn.)
250mm (10 Im)
216 mm (8-1/2
In.]
For
75° rise(open laddersonly)
76 mm (3 in.]
140 mm (51/2 in.)
100
mm [4 in.)
B Riser height
180mm (7 in.)
300mm
(12 in.) 230 mm (9 In.]
C Width [handrail[o handrail)
630
mm [21in.)
610mm
(24 In.]
660mm(22 In.i
O Overheadclearance
1730
rnmd68 In.)
. . .
1930 mm (76 In.)
E Heightof handrail(from leadingedga
of traad)
880 mm (34
In.)
WO mm (37 In.) 880 mm (35 In.}
F Handrail diameter
32 mm (1.1/4 In.)
75mm [3 In.)
38 mm (1-1/2 In.}
G
Railclearancsfromwall 50 mm (2 in.1
. . .
75mm (31n.)
“Whenever the dltsanco D ISIOU Umn 1.880 m (74
In.], tit ovor’hmd 04sarucdvn fhould ~ painwd
V.A?ll~dlow ncf+Wnrk
ltrlpes,
I:IGURE 3S. Stir-1 adder dimcn.si(m