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6.0 Tower and Wind Turbine Generator Installation
NOTICE: Use of the material contained in this document is subject to the warning on page Iv and the disclaimer
on page v of this document.
DOC012R02 AOC 15/50 User Manual Nov 2001
46
Figure 6-11 Attachment of the second blade
6.5 Lift Preparation
CAUTION
TOWERS AND DRIVE TRAIN ASSEMBLIES SHOULD
NOT BE LIFTED INTO POSITION IN WINDS ABOVE 9
M/S (20 MPH), DURING LOW VISIBILITY OR WHEN
LIGHTNING COULD POSSIBLY OCCUR. ALL TOWER
AND GROUND PERSONNEL MUST BE PROPERLY
TRAINED, BRIEFED AND FITTED OUT WITH SAFETY
EQUIPMENT.
A crane with the appropriate height and load capacity is required to hoist the tower into position
(see Appendix E).
Two cranes (large and small) may be needed to attach the third blade. A large crane will be
needed to lift the drive train and a smaller crane or boom truck will be needed to lift the third
blade. The small crane must be capable of lifting the blade at least 4 m (13 ft) (see Figure 6-14).
The length of all rigging and harnessing must be taken into account. Releasing the yaw lock
Blade #2
Ground
Blade #1