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Poles July 09


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Distribution Power Poles

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Poles July 09

  1. 1. McWane Poles Ductile Iron Poles for Electric Distribution Lines
  2. 3. Features of ductile iron poles <ul><li>Strength – Has similar physical strength of steel </li></ul><ul><li>Durability – Corrosion resistance of iron which is superior to steel </li></ul><ul><li>Cost effective </li></ul><ul><li>Ease of installation – Same as Steel, similar to wood </li></ul><ul><li>GREEN product, recyclable and made from recycled steel </li></ul>
  3. 4. Advantages of ductile iron <ul><li>High strength-to-weight ratio </li></ul><ul><li>Good surface definition and finish </li></ul><ul><li>Impervious to rot, insects and woodpeckers </li></ul><ul><li>Purchase price is very competitive with steel </li></ul><ul><li>Corrosion resistant – Iron water pipe is currently in service from the 1800’s </li></ul><ul><li>Drillable, easier than steel </li></ul><ul><li>A more predictable O.D. than bent plate poles </li></ul><ul><li>6” diameter at pole tip on Class 2, 3, & 4 </li></ul><ul><li>6.36” & 7” tip on Class I 50’ & 45’ respectively </li></ul>
  4. 5. Melted ductile iron ready for pouring
  5. 6. Molten ductile iron is spun centrifugally in a water cooled mold
  6. 7. Spinning process time about 1 minute
  7. 8. Properties of ductile iron poles <ul><li>Designed to 42,000 psi yield strength </li></ul><ul><li>Ultimate Strength minimum 60,000 psi </li></ul><ul><li>Elongation 10% minimum </li></ul><ul><li>Modulus of elasticity 25,000 ksi </li></ul><ul><li>Minimum thickness 0.16” Class IV, 0.22” Class III, 0.25” Class II, and 0.26” Class I </li></ul><ul><li>0.16” per foot taper </li></ul><ul><li>Used PLS Steel Pole design software </li></ul>
  8. 9. Coatings and Installation <ul><li>Embed – Zinc metalized base coat with ceramic epoxy top coat to 1’0” above ground line - standard on all poles </li></ul><ul><li>Above ground </li></ul><ul><ul><li>Weathered Appearance (Bare poles) - characteristics similar to weathering steel </li></ul></ul><ul><ul><li>Coated - Zinc metalized base coat with Gray acrylic top coat </li></ul></ul><ul><li>The buried depth is 10% of height plus 2’-0” </li></ul>
  9. 10. Embed Section and Bearing Plate
  10. 11. Weathered Appearance
  11. 12. Poles with Acrylic Top Coat
  12. 13. Quality Control <ul><li>Metallurgical traceability by melt batch </li></ul><ul><li>Spectrographic analysis of each batch </li></ul><ul><li>Serial number of pole on nameplate will tie to batch </li></ul><ul><li>Tensile, yield, and impact (notched Charpy) tests </li></ul><ul><li>Metal thickness is verified </li></ul><ul><li>Met & exceeded all load requirements in independent NEETRAC tests </li></ul>
  13. 14. Key items <ul><li>Poles shipped assembled and ready to install with press-fit epoxy joints </li></ul><ul><li>Conductivity tests on 40’ pole indicated 2,000 micro ohms impedance </li></ul><ul><li>Tightly controlled pole O.D. </li></ul>
  14. 15. Finished Pole with Nameplate
  15. 16. Rivnut Grounding
  16. 17. Optional Zinc Coated Ground Plates
  17. 18. Cap Options HDPE or Ductile Iron
  18. 19. First Installation in Tennessee
  19. 20. Bare Pole Line
  20. 21. Completed Pole
  21. 22. Product Line <ul><li>Poles Available (Bare) or Acrylic Winc Base </li></ul><ul><li>Various Classes </li></ul><ul><li>H-3 – 35 feet to 55 feet </li></ul><ul><li>H-2 – 35 feet to 60 feet </li></ul><ul><li>H-1 – 35 feet to 65 feet </li></ul><ul><li>Class I – 35 feet to 70 feet </li></ul><ul><li>Class II & III – 35 feet to 70 feet </li></ul><ul><li>Class IV – 35 feet to 65 feet </li></ul>
  22. 23. Product Line <ul><li>Embed (buried) Portion is PERMA – GLAS coated </li></ul><ul><li>Rivnut (Grounding) </li></ul><ul><li>Polybag </li></ul><ul><li>Grounding Plates </li></ul><ul><li>Raptor Cap (HDPE) </li></ul><ul><li>Poles Are Manufactured in Segments </li></ul><ul><li>Pressed Together With 150 ton Press </li></ul>
  23. 24. Significant Activities <ul><li>Composite Power is Agent for 10 Large Ontario Utilities </li></ul><ul><li>OES Represents 50 Smaller Utilities </li></ul><ul><li>Quoted $20M to Hydro One - Competitive </li></ul><ul><li>Quoted 70’ Class III Poles in Kelowna BC </li></ul><ul><li>Done 3 Small Utility Presentations (Ontario) </li></ul><ul><li>Demo Trailer Development </li></ul><ul><li>Registering For Trade Shows in 2010 </li></ul>
  24. 25. Potential Customers <ul><li>Joint Water Power Distribution Providers </li></ul><ul><li>Electrical Power Distribution Providers – Public </li></ul><ul><li>Private Power Distribution Providers </li></ul><ul><li>Contractors </li></ul><ul><li>Divisions of Water Infrastructure Contractors </li></ul><ul><li>Market Size – Comparative Visual FH to Poles </li></ul>