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Endwall Derrick
The endwall derrick is a permanently installed tripod
device of galvanized structural steel. In service, removable
structural aluminum tracks are positioned across the
platform opening. Equipment to be handled is placed
on a 4-wheel dolly—part of the equipment handling
package—rolled onto the track and elevated slightly. The
track and dolly are removed and the equipment lowered
to grade level. With single sheave rigging, the derrick will
handle loads up to 3000 pounds—the weight of a large
Geareducer—normally the single heaviest component in
the mechanical equipment package. Cable and power for
rigging are not normally provided by SPX.
Endwall Davit
The endwall davit is offered for Class 600 towers
equipped with smaller Geareducers (Series 27 and
smaller). This galvanized steel hoisting device is
permanently installed at a corner of the fan deck and
is rated for a load of 1000 pounds with single sheave
rigging. The rotating arm is mounted with protected ball
bearing joints for easy travel under load. Reach from
centerline of the vertical post to the hook-eye is 6′-0″.
Clear height from fan deck to the hook-eye is 8′-6″.
Removable guard and knee rails are installed at the
landing point. Rigging apparatus is not normally provided
by SPX.
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