PTTG INTRODUCES NEW STYLE COMPOSITE TANK

In keeping true to fashion, Pittsburg Tank & Tower Group President Ben Johnston has once again used a napkin over dinner to start the beginning of a new style composite tank that three years later resulted in the patent-pending of a new product.

For 40-plus years, Ben has constantly sketched ideas on anything he could find when the thoughts run through his mind. Follow-up meetings with engineering would then vet ideas before their implementation or use.

Our patent-pending mini composite will utilize pre-cast concrete sections to support a storage tank.

The support shaft uses pre-cast circular sections approximately 11’-6” outside diameter. They are 6’-0” tall. Capacities range from 50,000 to 250,000 gallons, with plans for larger sizes.

Sections can be manufactured offsite or onsite, depending on the location and size of sections. We utilize applicable parts of AWWA D-100, D103, and D107.

The concrete shaft supports a welded or bolted tank.

This new concept provides many benefits:

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    Eliminates painting of the support structure.

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    Reduces the construction time.

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    Reduces the carbon footprint of the tank.

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    Less Maintenance.

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    Lower life cycle costs.

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    Use of local concrete.

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    Readily available to be raised, lowered, or relocated.

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    Reduces the amount of work at heights, enhancing safety and quality.

Composite elevated tanks have been around for more than forty years. They are a popular style for larger tanks with capacities ranging from 250,000 to about 3 million gallons. They are not cost-effective for smaller tanks because of how they are built.

Contractors pour four to eight- feet vertical walls in segments to form a shaft with varying diameters up to 60’. They then jump the form and pour another ring. This process continues until they reach the designated height.

This new style of composite elevated tanks is cost-effective for smaller tanks. That’s because concrete can be poured in circular segments, either onsite or offsite, depending on location and structure size. A crane lifts the pre-cast segments, which are then locked into place.

This process takes less than a standard build and it reduces the amount of time spent working at elevated heights. The reduced times help save on construction expenses.

Maintenance expenses are also cheaper. Most steel tanks require paint, and paint rusts and peels. There are several options for the precast CETs that don’t require initial or future painting. This includes welded steel tanks or bolted glass lined tanks.

If you need a tank between 50,000 to 250,000 gallons and favor a composite style, consider purchasing the brand-new CET style. We will work with you to build and erect the tank that best suits your needs.

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