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le scale che arredano
CALCULATING THE
To determine the tread the formulas "A" and "B" must
be used according to both the staircase installation
type (fan-shaped or with landing) and their configuration
( "L" or "U") in addition to their width sizes. The
variables defining the JAZZ 22 - JAZZ25 models,
according to the staircase width, are reported on
page 8.
JAZZ 22 "P" =
JAZZ 25 "P" =
Formula "A"
JAZZ 22 - JAZZ 25
FAN STRUCTURE and LANDING
"L" and "U" shapes
"L"
M
L
10mm
"U"
10mm
N.
- 20 -
TREAD
min 205 mm, max 220 mm
min 220 mm, max 250 mm
W - PA - M - 10mm
P =
N. of right-angle Steps
(
last step not included)
fan-shaped Config.
W
PA
last
tread
N.
right-angle
steps
FAN STRUCTURE and LANDING
"U" shape (intermediate flight)
fan-shaped Config.
W
last
M
L
right-angle steps
Via C.Colombo, 22/A - 42046 - Reggiolo - Reggio Emilia - Italy
Tel. +39 - 0522-211811 - Fax +39 - 0522-97 31 39
JAZZ 22 FX - JAZZ 25 FX
JAZZ 22 SC - JAZZ 25 SC
TABLE OF SYMBOLS
P =
Tread
W =
Size of the staircase landing opening
J =
Size of the 2
("U" configuration)
M =
Overall dimensions of the fan-shaped staircase turn
PA =
Arrival tread
M + L =
Overall dimensions of two fan turns
( "U" configuration)
10mm =
span between wall and staircase
"L"
M
L
10mm
Formula "B"
JAZZ 22 - JAZZ 25
"U"
PA
tread
10mm
N.
right-angle steps
mobirolo@mobirolo.it
side of the staircase opening
nd
Config. with landing
W
PA
last
tread
N.
right-angle
J - (M+L) - 10mm - 10mm
P =
N. of right-angle steps
Config. with landing
W
PA
last
tread
M
L
JAZZ 22 - 25
steps
Fig.c
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