13 4000670450 E 04.19 USA / GB
3632T - HTT13
A
- Foreword
WIND : The aerial work platform can operate up to a maximum wind speed as indicated in the
specifications. To identify the local wind speed, use the Beaufort scale below, use a wind
gauge or an anemometer.
N.B.-:-T
HE BEAUFORT SCALE OF WIND FORCE IS ACCEPTED INTERNATIONALLY AND IS USED WHEN
COMMUNICATING
WEATHER CONDITIONS. A WIND SPEED RANGE AT 10 M (32 FT 9 IN) ABOVE FLAT,
CLEAR LAND IS ASSOCIATED WITH EACH DEGREE.
Beaufort scale
Force
Meteorological
description
Observed effects m/s km/h mph
0 Calm Smoke rises vertically. 0 - 0,3 0 - 1 1
1 Very light breeze Smoke indicates the wind direction. 0,3 - 1,5 1 - 5 1 - 3
2 Light breeze
Wind felt on the face. Leaves rustle.
Weather vanes turn.
1,6 - 3,3 6 - 11 4 - 7
3 Slight breeze
Leaves and small twigs in constant motion.
Flags move slightly.
3,4 - 5,4 12 - 19 8 - 12
4 Nice breeze
Raised dust and loose papers. Small
branches are moved.
5,5 - 7,9 20 - 28 13 - 17
5 Nice breeze
Small trees in leaf to sway. Crested
wavelets form on inland waterways.
8,0 - 10,7 29 - 38 18 - 24
6 Cool wind
Large branches in motion. Power lines and
chimneys 'sing'. Umbrellas used with
difficulty.
10,8 - 13,8 39 - 49 25 - 30
7 Near gale
Whole trees in motion. Inconvenience felt
when walking against wind.
13,9 - 17,1 50 - 61 31 - 38
8 Gale
Some branches break. Generally we
cannot walk against the wind.
17,2 - 20,7 62 - 74 39 - 46
9 Strong gale
The wind causes slight damage to
buildings. Tiles and chimney stacks are
blown off.
20,8 - 24,4 75 - 88 47 - 54
10
Storm, Violent Storm,
Hurricane
Trees uprooted, widespread damage to
structures, widespread devastation.
More
than 24,5
More
than 89
More
than 55
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