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Halo Environmental: Operating in Alberta’s Weather Patterns? Solutions for Extreme Environments


Despite all the rain we received this summer – Halo has been hard at work servicing our clients throughout Western Canada.

Below are two case studies that have made a significant difference in the operational function of effective tank storage and preventing energy loss when heating liquids in the storage tanks.

CASE STUDY 1: Tank FARMS

The Problem

  • Most containment systems with Ldpe or Hdpe liners that require booting around piles or other pipe penetrations typically exhibit signs of stress and failure. These are mainly due to factors from environmental stresses:
    • Temperature swings in Western Canada can range from +30oC to -30oC in a short duration; 
    • Damaging effects of the sun’s UV rays. 
  • Booting system problems from clamp failures which loosen over time and lead to the boot settling out of position, caulking drying and cracking and butyl tape losing its adhesiveness thereby unraveling.

Halo Environmental - Operating in Alberta's Weather Patterns - Solutions for Extreme Environments 1

  • The other major factor is physical damage from operations. Unlike the rest of the containment liner which is covered by a thick layer of sand and aggregate – the pile boots are usually left exposed and susceptible to damage from an errant welding project, accidental tool impact or simply the pressure of someone walking too close to it.
    • If a leak is ever to occur in the tank farm, the first avenue of escape is the failure at the boots.

Halo’s Solution

Spray applied polyurethane liners.

  • These liners require no boots, bolts, clamps, caulking or tape to be applied.
    • Simply clean the surface of the pile or pipe, prime and spray coat directly to steel.
      • This coating chemically cures into the porous surface of the metal, dries and locks itself into place with a 1200psi bond. 
    • The bond that is created expands and contracts due to the elastomeric nature of the product which allows for freezing and heating to run its course without any adverse effects on the bond.
  • The polyurethane is also UV resistant which means it does not weaken with exposure to UV light.
  • The 90+ durometer rating and very high abrasion resistance to the coating helps to prevent damage from surface operations.

Spray coatings even have the advantage of not requiring any ground cover with sand or aggregate which allows for easy integrity checking throughout the life of the containment area.

Halo Environmental - Operating in Alberta's Weather Patterns - Solutions for Extreme Environments 2

Contact us for a no obligation assessment of how our pile boots will benefit your business.

CASE STUDY 2: Insulated STORAGE TANKS

The Problem

  • Foam insulated tanks that have been damaged due to weather, wildlife and other operational damage.
  • Rust and corrosion allowed to set into the un-coated un-protected steel tank wall.
  • Heat loss and energy inefficiency due to un-insulated section of the tanks.
  • Added cost to continuously heat the fluid in the tanks.

Halo Environmental - Operating in Alberta's Weather Patterns - Solutions for Extreme Environments 3

Halo’s Solution

  • Remove damaged foamprime the steel and spray foam the area to re-protect the steel and insulate the tank again.
    • Placing a primer on the steel also prevents corrosion from setting in and provides longevity to the steel.

Halo Environmental - Operating in Alberta's Weather Patterns - Solutions for Extreme Environments 4

  • All repairs can be done in the field and all downtime repair minimalized.
  • Cost effective solution that can treat the areas directly affected so you don’t have to re-insulate your whole tank again.

Halo Environmental - Operating in Alberta's Weather Patterns - Solutions for Extreme Environments 5

Contact us for a no obligation assessment of how spray foam insulation can make your business more energy efficient.

Halo’s NEW PRODUCT

TANK PADS

These high compressive strength insulative foam pads come with a thick polyurethane top coat that seal the foam from UV, chemical, water and abrasion attack.

Locally made and manufactured, we can custom design these tank pads to fit any sized flat bottom tank. Made out of our shop in Airdrie, Alberta, we can deliver large quantities in a very short period of time to suit your project needs. Our light weight, interlocking design means that two people can easily carry these into any tank farm, set them into place and create a stable, insulative tank pad that is free of moisture and will help prevent heat loss.

Click this link to get more details in our PDF document!



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