04
USAGE ADVICE
Safety Checklist :
Safety Checklist :
Air speed and resultant action to be taken
Mobile towers - 3T Method Checklist
Beufort Scale
0
1 mph
12 mph
17 mph
25 mph
40 mph
Calm, smoke rises easily upwards
No action needed
Cease work
No action needed, keep a watch
If expected, dismantle the tower
If expected, tie tower to a rigid
structure
Moderate breeze, raises dust
Gale force, cannot even walk
Raises loose papers, leaves and small
twigs move
Strong breeze, tree branches bend, unable
to use umbrella
3
4
5
6
Description
Air Speed
Action to be taken
Ensure all brace claws operate and lock correctly prior to erection
Inspect components prior to use
Tower upright and level
Castors locked and legs correctly adjusted
Diagonal braces fitted
Stabilizers/outriggers fitted as specified
Platforms located and wind-locks on
Toe boards located
Check that the guardrails are fitted correctly
