80 m XHD Installation Webinar Q & A

19 topics in this forum

1. Anchor pull test equipment

   By Julia Austin, June 13, 2011
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   • Julia Austin
   • June 13, 2011

2. What are the terrain slope restrictions of the 80m tower compared to the current 60m tower?

   By Julia Austin, April 13, 2011
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   • Julia Austin
   • April 13, 2011

3. Can the winch be used without a vehicle for installations without road access?

   By Julia Austin, April 13, 2011
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   • Julia Austin
   • April 13, 2011

4. Is there any way to lift the tower with a smaller winch drum? 750 ft is a lot of cable.

   By Julia Austin, April 13, 2011
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   • Julia Austin
   • April 13, 2011

5. Does NRG have any comment comparing sensor stability between the 80m XHD and a typical lattice tower?

   By Julia Austin, April 13, 2011
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   • Julia Austin
   • April 13, 2011

6. How much icing is the tower rated for? Who is responsible for ensuring that the tower complies with local wind and ice conditions?

   By Julia Austin, April 13, 2011
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   • Julia Austin
   • April 13, 2011

7. Are the lifter cables transferred from the gin pole to the anchor in the same manner as the 60m tower?

   By Julia Austin, April 13, 2011
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   • Julia Austin
   • April 13, 2011

8. Can you describe the guy-wire tensioning process? Can you adjust guy-wire lengths while lifting?

   By Julia Austin, April 6, 2011
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   • Julia Austin
   • April 6, 2011

9. What are the power supply requirements for the light?

   By Julia Austin, April 6, 2011
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   • Julia Austin
   • April 6, 2011

10. Are the booms for the 80 m XHD the same as those used with the 60 m XHD?

    By Julia Austin, April 6, 2011
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    • Julia Austin
    • April 6, 2011

11. Do you lift the 80 m XHD tower with a slight curve and then straighten the tower once it?s vertical?

    By Julia Austin, April 6, 2011
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    • Julia Austin
    • April 6, 2011

12. Can I re-use my ginpole?

    By Julia Austin, April 6, 2011
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    • Julia Austin
    • April 6, 2011

13. Why use a 5-part line for raising and lowering the 80m tower?

    By Julia Austin, April 6, 2011
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    • Julia Austin
    • April 6, 2011

14. 80 m XHD TallTower Webinar Audio & Video available

    By Julia Austin, March 30, 2011
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    • Julia Austin
    • March 30, 2011

15. How does the 80 m XHD differ from the 60 m XHD?

    By Julia Austin, March 29, 2011
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    • Julia Austin
    • March 29, 2011

16. Have anchors other than the double-helix screw-in anchors been used to raise the 80m tower? If the tower is being installed in areas not conducive to screw-in anchors (e.g. solid rock), can cross-plate or oil-field anchors be used?

    By Julia Austin, March 29, 2011
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    • Julia Austin
    • March 29, 2011

17. What powers the winch? Is there an option to use different hydraulic power units?

    By Julia Austin, March 29, 2011
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    • Julia Austin
    • March 29, 2011

18. Can the 80m winch be used on NRG?s 60m towers?

    By Julia Austin, March 29, 2011
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    • Julia Austin
    • March 29, 2011

19. What?s the significance of the bolted joints? Why did you add them to the 80m tower?

    By Julia Austin, March 29, 2011
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    • Julia Austin
    • March 29, 2011