BoSS StairMAX
User Guide
11
StairMAX 700/850
During Use
Beware of high winds in exposed, gusty or medium
breeze conditions. We recomend that in wind speeds
over 7.7 metres per second (17 mph), cease working
on the tower and do not attempt to move it. If the wind
becomes a strong breaze expected to reach 11.3 metres
per second (25mph), tie the tower to a rigid structure. If
the wind is likley to reach gale force, over 18 metres per
second (40mph), the tower should be dismantled.
Wind
Description
Beaufort
Scale
Beaufort
No.
Speed in
m.p.h.
Speed in
m/sec.
Medium
Breeze
Raises dust and loose
paper, twigs snap off.
4
8-12
4-6
Strong
Breeze
Large branches in
motion, telegraph wires
whistle.
6
25-31
11-14
Gale Force
Walking is difficult.
8
39-46
17-21
Beware of open ended buildings, which can cause
funneling effect.
Do not abuse equipment. Damaged or incorect
components shall not be used.
Raising and lowering components, tools and or materials
by rope should be conducted within the lower base.
Ensure that the safe working load of the suporting decks
and the tower structure is not exceeded.
The assembled tower is a working platform and should
not be used as a means of access or egress to other
structures.
Beware of horizontal forces (e.g. power tools) which
could generate instability.
Maximum horizontal force 20 kg.
Mobile towers are not designed to be suspended -
please refer to your supplier for advice.
Do not use boxes or stepladders or other objects on the
platform to gain extra height.
