McWane PolesMcWane Poles

Ductile Iron Poles Ductile Iron Poles for Electric for Electric Distribution LinesDistribution Lines

Features of ductile iron Features of ductile iron polespoles

1.1. Strength – Has similar physical Strength – Has similar physical strength of steel strength of steel

2.2. Durability – Corrosion resistance of Durability – Corrosion resistance of iron which is superior to steeliron which is superior to steel

3.3. Cost effective Cost effective

4.4. Ease of installation – Same as Steel, Ease of installation – Same as Steel, similar to woodsimilar to wood

5.5. GREEN product, recyclable and GREEN product, recyclable and made from recycled steelmade from recycled steel

Advantages of ductile ironAdvantages of ductile iron High strength-to-weight ratioHigh strength-to-weight ratio Good surface definition and finish Good surface definition and finish Impervious to rot, insects and woodpeckersImpervious to rot, insects and woodpeckers Purchase price is very competitive with steel Purchase price is very competitive with steel Corrosion resistant – Iron water pipe is Corrosion resistant – Iron water pipe is

currently in service from the 1800’scurrently in service from the 1800’s Drillable, easier than steelDrillable, easier than steel A more predictable O.D. than bent plate poles A more predictable O.D. than bent plate poles 6” diameter at pole tip on Class 2, 3, & 46” diameter at pole tip on Class 2, 3, & 4 6.36” & 7” tip on Class I 50’ & 45’ 6.36” & 7” tip on Class I 50’ & 45’

respectivelyrespectively

Melted ductile iron ready Melted ductile iron ready for pouringfor pouring

Molten ductile iron is spun Molten ductile iron is spun centrifugally in a water centrifugally in a water

cooled moldcooled mold

Spinning process time about Spinning process time about 1 minute1 minute

Properties of ductile iron Properties of ductile iron polespoles

Designed to 42,000 psi yield strengthDesigned to 42,000 psi yield strength Ultimate Strength minimum 60,000 psiUltimate Strength minimum 60,000 psi Elongation 10% minimumElongation 10% minimum Modulus of elasticity 25,000 ksiModulus of elasticity 25,000 ksi Minimum thickness 0.16” Class IV, Minimum thickness 0.16” Class IV,

0.22” Class III, 0.25” Class II, and 0.22” Class III, 0.25” Class II, and 0.26” Class I0.26” Class I

0.16” per foot taper0.16” per foot taper Used PLS Steel Pole design software Used PLS Steel Pole design software

Coatings and InstallationCoatings and Installation Embed – Zinc metalized base coat with Embed – Zinc metalized base coat with

ceramic epoxy top coat to 1’0” above ceramic epoxy top coat to 1’0” above ground line - standard on all polesground line - standard on all poles

Above groundAbove ground Weathered Appearance Weathered Appearance (Bare poles) - (Bare poles) -

characteristics similar to weathering steelcharacteristics similar to weathering steel CoatedCoated - Zinc metalized base coat with Gray - Zinc metalized base coat with Gray

acrylic top coatacrylic top coat The buried depth is 10% of height plus 2’-The buried depth is 10% of height plus 2’-

0” 0”

Embed Section and Embed Section and Bearing PlateBearing Plate

Weathered AppearanceWeathered Appearance

Poles with Acrylic Top Poles with Acrylic Top CoatCoat

Quality ControlQuality Control Metallurgical traceability by melt batchMetallurgical traceability by melt batch Spectrographic analysis of each batchSpectrographic analysis of each batch Serial number of pole on nameplate will Serial number of pole on nameplate will

tie to batch tie to batch Tensile, yield, and impact (notched Tensile, yield, and impact (notched

Charpy) testsCharpy) tests Metal thickness is verified Metal thickness is verified Met & exceeded all load requirements in Met & exceeded all load requirements in

independent NEETRAC testsindependent NEETRAC tests

Key itemsKey items Poles shipped assembled and Poles shipped assembled and

ready to install with press-fit ready to install with press-fit epoxy jointsepoxy joints

Conductivity tests on 40’ pole Conductivity tests on 40’ pole indicated 2,000 micro ohms indicated 2,000 micro ohms impedance impedance

Tightly controlled pole O.D. Tightly controlled pole O.D.

Finished Pole with Finished Pole with NameplateNameplate

Rivnut Grounding Rivnut Grounding

Optional Zinc Coated Optional Zinc Coated Ground PlatesGround Plates

Cap Options Cap Options HDPE or Ductile IronHDPE or Ductile Iron

First Installation in First Installation in TennesseeTennessee

Bare Pole LineBare Pole Line

Completed PoleCompleted Pole

Product Line

Poles Available (Bare) or Acrylic W\Zinc Base

Various Classes H-3 – 35 feet to 55 feet H-2 – 35 feet to 60 feet H-1 – 35 feet to 65 feet Class I – 35 feet to 70 feet Class II & III – 35 feet to 70 feet Class IV – 35 feet to 65 feet

Product Line

Embed (buried) Portion is PERMA – GLAS coated

Rivnut (Grounding) Polybag Grounding Plates Raptor Cap (HDPE) Poles Are Manufactured in Segments Pressed Together With 150 ton

Press

Significant Activities Composite Power is Agent for 10 Large

Ontario Utilities OES Represents 50 Smaller Utilities Quoted $20M to Hydro One - Competitive Quoted 70’ Class III Poles in Kelowna BC Done 3 Small Utility Presentations

(Ontario) Demo Trailer Development Registering For Trade Shows in 2010

Potential Customers

Joint Water Power Distribution Providers Electrical Power Distribution Providers –

Public Private Power Distribution Providers Contractors Divisions of Water Infrastructure

Contractors Market Size – Comparative Visual FH to

Poles