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Setup and Confi gurations
Dismantling a multiple units installation with mast ties
D
8- When only two tie levels are remaining, it is important to proceed with extreme
care to make sure that the stability of the motorized units is not compromised during
the operation.
Before removing the last two tie levels, it is critical to make sure that the base
confi guration of each motorized unit is consistent with the tie schedule used for
the installation of that motorized unit.
Once the stability of each motorized unit has been secured, proceed with the removal
of the last mast sections and tie levels on each motorized unit.
9- Remove any remaining loads (mast sections, mast ties) from the platform and make
all workers step down.
10- Remove all planking, push in all outriggers and secure in place. Remove and store
all guardrails.
11- Remove the bearing bridge structure. Refer to p. 53 for instructions on the dismantling
of a bearing bridge structure.
12- Remove the 5' (1,5 m) cantilevers attached to each unit.
13- If a unit used in the setup is an electrical motorized unit, disconnect the power cable from
the motorized unit and the power source. This operation must be performed by a
certifi ed electrician. Store the power cable properly.
14- If a unit used in the setup is to be stored for any signifi cant length of time, refer to
p. 132 of the Transport, Storage and Maintenance section for instructions on how to
properly store an F2 Series motorized unit.
WARNING
It is recommended that two persons handle all rise and descent operations of each
motorized unit and that at least one of those two persons is a qualifi ed operator.
It is important to coordinate the motion of motorized units linked by a bearing bridge
to keep the structure as level as possible.
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