Instant Upright BS 1139-6, Инструкция по сборке

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Page 37 of 38
SPAN 500 BRIDGED TOWER
To dismantle, follow the build process but in reverse order noting the following.
•
To remove the guardrail frames or braces, first unlock the hook at the end away from the trapdoor.
•
Sitting through the trapdoor, unlock the near end hook and remove the brace.
To Move the tower to a new position, first prepare the tower.
•
Wind speed should not exceed 29 km/h (8.1 m/s).
•
Ensure leg extension is minimised (Max 150mm) Release the castor brakes.
•
Raise the stabiliser feet only enough to clear obstructions.
•
Ensure tower is empty (material and personnel).
•
Check for overhead obstructions including electrical wires.
•
Move the tower manually by applying force at the base - do not use machinery to push or pull
the tower. Once moved - prepare the tower for use. Use the pre-use inspection checklist at the
end of this manual.
•
Check all castors and stabilisers are in firm contact with the ground.
•
Check tower is vertical (spirit level) and adjust legs as required.
•
Reapply the castor brakes.
Pre-use safety inspection checklist
Description Yes
Towers are vertical (spirit level) and adjust legs as required
Castor brakes are reapplied
All horizontal & diagonal braces are installed
Stabilisers fitted and have a firm grip with the ground
Windlock on all platforms are engaged
Interlock clips are engaged
Toeboards are installed
This checklist should be used if the tower has been moved or modified or if any damage is
suspected. This checklist be used at intervals determined by the risk assessment or by the manger
on site.
DISMANTLING / MOVING TOWERS