Wednesday, April 25, 2018


Scope of Work
Under contract to the Wind Turbine Generator OEM, Cianbro erected 20 Nordex N90 (2.5 MW) turbines for the Roth Rock Wind Park.  All turbine materials were supplied by the OEM.

Project Details
  • Erected 20 Nordex N90 turbines with a hub height of 262 ft.  Each unit was comprised of:
  • Four (4) tower sections
  • Three (3) blades, 144 ft long each
  • One (1) 105 ton nacelle
  • Prepared the nacelle for installation including generator installation and alignment
  • Prepared towers for erection including installation of  electrical cabinets 
  • Routed and connected generator power and communication cabling
  • Provided engineered rigging plans developed by Cianbro’s internal Construction Engineering group

Unique Challenge

The team coordinated the receipt of components from Germany, Arkansas, Tennessee and Iowa to erect towers on a just-in-time basis.   The project overcame severe winter conditions for a successful completion.   

Project Information

Type of Project:
Power & Energy

Construction Schedule:
Completed December 2012

Oakland, MD
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