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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
38
after which the tension on the crane cable can be relaxed. A technician should verify that the
tower top is level by climbing the tower. Any adjustments required to level the tower top should
be made by adjusting the anchor nuts.
The 1½ “ anchor bolt nuts should be torqued to AISC snug tight standards after the tower has
been erected; snug tight being defined as the tightness needed to bring all plies in a joint into
firm contact. This may be obtained by a few impacts of an impact wrench or the full effort of a
man using an ordinary spud wrench. Following this, the tower grounding rods should be
connected (see Section 5.2) and the slings released.
WARNING
ONLY TRAINED AND QUALIFIED TECHNICIANS SHOULD
ATTEMPT TO CLIMB A WIND TURBINE TOWER AND SHOULD
USE OSHA/ANSI APPROVED PRACTICE AND EQUIPMENT. ANY
ACTIVITIES WHERE PERSONS COULD BE SUBJECT TO A FALL
OF SIX FEET OR MORE SHOULD BE PERFORMED USING
APPROPRIATE FALL PROTECTION EQUIPMENT FASTENED
TO A SECURE ANCHOR POINT. SEE APPENDIX S FOR A
DESCRIPTION OF SAFETY EQUIPMENT AND SECURE ANCHOR
POINTS.
A DESIGNATED PERSON SHOULD BE CLEARLY IDENTIFIED
AS THE LIFT COORDINATOR. THE LIFT COORDINATOR
SHOULD DIRECT ALL EQUIPMENT AND PERSONNEL DURING
THE LIFT. HAND SIGNALS (APPENDIX R) MUST BE
CAREFULLY COORDINATED WITH THE CRANE OPERATOR IN
ADVANCE. SUPPLEMENTARY RADIO CONTACT IS STRONGLY
RECOMMENDED.
6.3 Wind Turbine Component Preparation
6.3.1 Tip Brake Installation
After removing the top of the blade crate, the blade tips should be slid on to the edge of the crate
end. The blades should then be pulled out of their crate completely, inspected for damage and
laid on support blocks. The foam packing inserts can be used to separate and support the blades.
Both conduit ends should be free of debris and epoxy!