6.0 Tower and Wind Turbine Generator Installation | 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.
6.3Wind Turbine Component Preparation
6.3.1Tip 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!
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 |
