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I <br /> I <br /> ITable 2: Transmission Structure Specifications <br /> I <br /> Span <br /> Structure <br /> Structure Structure Estimated Structure <br /> Foundation Base Between <br /> Line Type Type Material Location Diameter Diameter Height Structures <br /> I (feet) (inches) (feet) (feet) <br /> Single Pole <br /> Galvanized <br /> I 115 kV Vertical Replaces <br /> Steel,or 36-42 angle 300—500 <br /> Single- Configuration Structure 5-7 70-90 <br /> Weathering structures <br /> Circuit with Post 077 <br /> Steel <br /> I Insulators <br /> Galvanized <br /> 115 kV Single Pole, Replaces <br /> Steel,or 300—500 <br /> Single- Cross Arm Y- Structures 6-8 70-90 <br /> I <br /> Weathering 36-48 <br /> Circuit Frame 076 and 078 <br /> Steel <br /> 115/115 kV Galvanized New <br /> I <br /> Double- <br /> Single Pole Steel or Structures 300—500 <br /> Davit Arm Weathering 076-1 to <br /> 6-8 36-48 75-115 <br /> Circuit <br /> Steel 076-5 <br /> I 115/115 kV <br /> Double <br /> Single Pole Galvanized Alternate <br /> Steel or Structures 300—500 <br /> Circuit with 6-8 36-48 75- 115 <br /> Davit Arm Weathering 076-1& <br /> I Distribution <br /> Underbuild Steel 076-2 <br /> Source: Xcel Energy,June 7,2011;Xcel Energy,personal communication, October 13, 2011 <br /> 1 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> IEnvironmental Assessment <br /> PUC Docket E002/TL-11-223 Page 11 <br /> I <br />