Instant Upright BS 1139-6, Инструкция по сборке

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SPAN 500 BRIDGED TOWER
23. Securely tie a suitable rope to each end of the spandeck (manual lift). If mechanical lifting is to be
used to position the spandeck, a suitably competent person should undertake a specific lifting and
handling assessment together with a specific method statement to ensure that the operation can be
safely undertaken.
24. Manually hoist one of the spandeck sections to the working level, one or more persons may be
required on each tower or as specified in the mechanical lift and handling method statement.
Spandeck should be hoisted so that it is inclined long its length to ensure adequate clearance for the
spandeck between the towers.
Note: Ensure there is nobody in the vicinity that may be at risk of injury during lift process
25. From the safety of the tower, install the remaining four guardrail posts as shown.