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5.0 Site Preparation
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
33
It may be advisable to excavate trenches for power and control cables at the time of digging the
foundations. For wire and cable information, refer to Appendix M.
CAUTION
CAREFUL MEASUREMENT AND USE OF AN
ACCURATE ANCHOR BOLT TEMPLATE BEFORE,
DURING AND AFTER CONCRETE POURING CAN
MINIMIZE ALIGNMENT PROBLEMS OR
FOUNDATION REPAIRS.
5.3 Receiving the Wind Turbine at the Site
Wind turbines are often installed on uneven terrain. Moving components and assembling them
is easier on level ground. It is, therefore, suggested that a level lay-down area is either
excavated (taking care to prevent erosion) or built, on which the wind turbine can be assembled
and erected. Items such as blades may need to be anchored and covered if the site experiences
strong winds or other hazardous environmental conditions.
The wind turbine will normally be shipped in four crates. Their nominal weights and sizes are
listed in Appendix E. For containerized shipping please note that both the tower sections and
the blades are too long to fit a 20 ft container.
Once the shipment has been offloaded from the truck:
• The packing list should be checked to confirm that all items have been received. The
items should be inspected for damage and if any damage is suspected the shipping
company should be contacted regarding claims procedures. AOC should also be
notified of the parts needed. Particular care should be taken to inspect the twist cable
and the blade surfaces.
• Any scratches obtained during transit should be touched up. CRC Industrial SP
Corrosion Inhibitor or an equivalent can be used as an anticorrosive on any bare metal
surface. Failure to properly coat bare metal may result in significant corrosion.
• With the wind turbine on level ground, the oil level in the gearbox sight glass should be
checked. See Figure 2-2 for the sight glass location. It should be half way up the sight
glass.
• All grease fittings should be intact. These are located on the generator housing, yaw
bearing, yaw lock.
The checklist is provided in Appendix G.