Locations Where conventional Structures won't Last

conventional Structures won't Last

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Challenge

Utilities plan for wood utility poles to deliver for at least 40 years, but many wood poles last less than 30 years due to environmental conditions. Whether it’s across an entire grid or in a very specific region, the failure of utility poles can be accelerated by:

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Destructive Wildlife and Pests

Pound for pound, nothing is more destructive to a wood pole than a woodpecker or carpenter ants. The structural damage inflicted on wood pole lines set the stage for catastrophic failure in high load events. Foam filler and wraps are costly band-aids that only prolong the inevitable.
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Wildfire Vulnerable Regions

Wildfire vulnerable regions Areas vulnerable to wildfires pose a significant threat to traditional utility poles, as the intense heat and flames can ignite and weaken the wooden structures, causing collapse. The damage to vegetation and adjacent structures also increases the risk of pole failure, further disrupting power lines and services.
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Wetlands and Naturally Humid Regions

Poles installed in areas with high ground water or high average rainfall can suffer from rot, or corrosion resulting in reduced load bearing capability of the pole.
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High Winds Regions

Areas prone to strong wind storms threaten traditional utility poles by putting immense loads that can snap or topple poles made from wood and other materials. Flying debris or falling trees increase the risk of damage to poles and power lines, disrupting service and creating safety hazards that slow restoration times.

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Ice Storm Prone Regions

The accumulation of ice on utility poles and power lines significantly increases their weight, making them more susceptible to bending or breaking. The added stress from ice buildup, combined with strong winds, can cause poles to snap and power outages to persist for extended periods.
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Corrosive Environments

Steel or concrete poles installed in coastal areas or close to roadways where salt crystals or brine are used for ice control have a high probability of corrosion (steel) or spalling (concrete, as a result of corroding steel rebar inside the pole).

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Solution

Ending the threat of natural decay and wildlife requires using poles that are not susceptible to these dangers. Composite poles from Resilient Structures are made from an advanced composite material with integrated UV protection. They combine an ultra strong polyurethane resin and E-glass fiber rovings to withstand everything nature can throw at it.

The unmatched durability of a Resilient Structures pole means:

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The composite material is impervious to woodpeckers, termites and carpenter ants, dramatically increasing service life in locations with a high risk of exposure to damaging pests.

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They will not rot or corrode and are resistant to salt, soil pH levels and chemicals. This allows for excellent wet area and coastal performance.

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Resilient Structures poles require no scheduled maintenance, like preservative treatments or repainting, resulting in significant operational savings.

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Inspections are fast and non-invasive. Typical pole replacement frequencies are cut in half.

Composite poles

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Evidence

During a 15 year period the population of woodpeckers doubled in Canada. As a result, a leading utility experienced an exponential increase in woodpecker activity.

Woodpeckers
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From 2012 to 2021, the utility documented more than 100,000 poles with damage caused by woodpeckers with over 10 percent requiring replacement. While older wood poles were thought to be more vulnerable to the birds, it was discovered that 10 percent of its newest poles - just two years of service - had also been damaged.

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Since replacement costs thousands of dollars for each pole, utilities often try to protect poles with physical barriers, including wire mesh or rigid casings. However, their effectiveness only delay the inevitable. Instead, this utility is maximizing value using RS composite poles and identifying the appropriate use and installation locations as part of their reliability plan. Thus, reducing costly frequent repairs and associated ancillary costs of wood poles.

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