AOC 15 user manual Ground, Attachment of the second blade Lift Preparation

6.0 Tower and Wind Turbine Generator Installation 46

Blade #1

Blade #2

Ground

Figure 6-11 Attachment of the second blade

6.5Lift 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

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