Onion tanks are ideal for temporary large scale storage of liquids. Frameless and completely collapsible, they take little room to store. As liquid pours into the container, it rises of its own accord. One person can set up a tank. With two men the task is completed in ten to fifteen minutes. Choices for the top include a floating foam-filled collar or a roll top which can be used when a complete seal is needed.
While these units have many applications, they are especially convenient to use when fighting fires, particularly in inaccessible or remote areas. Water may be difficult to access or simply unavailable in these areas. Once the tanks are filled, they may be used to refill helicopters, water-tankers or fire-trucks. If an area loses access to its mains water supply, it is possible to hold relief potable water for affected residents in these until normal services are restored.
Other uses for the units include storing water while ponds, swimming pools or tanks are cleaned or repaired. Hazardous materials such as spilled oil, chemicals or contaminated liquids can be collected and held in a safe manner. When the response time is critical, these units have many advantages. They can be taken into areas where it would be difficult or impossible to take a standard tank.
If there is a seepage or leak, it may be possible to place an onion tank under the problem area. It will then rise as it fills. Containing hazardous liquids as soon and completely as possible prevents undue contamination of the ground surface. Fire-fighting, oil spillages and containment of hazardous material are the main applications of these versatile units.
If the size or dimensions you require are not available from the many standard models, you can have a tank custom manufactured to fit a particular purpose. A tank of 4,000 gallons will have a base diameter of around eighteen feet. The top diameter is smaller. When collapsed this size will fold to a size of 38 by 24 inches. The cover may have straps or a zip to hold it in place.
To enable the tank to be hung up to dry, there is a strap on the inside of the base. The outer surface also has several straps to help manoeuvre the unit into place. A strong groundsheet is also supplied with each unit. This acts as a carrier for the collapsed tanks and also protects the base when the tank is full. For fire-fighting purposes, choosing a bright color is recommended to give greater visibility from the air.
Onion tanks fold up to transport or store. The low profile requires little site preparation and some have optional stabilizers or outriggers. Slopes of between 10 and 12 degrees require no preparation. Most units have a drain hole on either side of the tank. This allows for the speedy discharge of the contents.
The material used for these units has to meet stringent safety and strength guidelines. The two main types are approved either for the storage of potable water or for containing chemicals. PVC and polyurethane are commonly used. Material weights also meet strict international standards and military specifications. Seams are welded using the latest techniques. Because of their many benefits, onion tanks are being increasingly used.
While these units have many applications, they are especially convenient to use when fighting fires, particularly in inaccessible or remote areas. Water may be difficult to access or simply unavailable in these areas. Once the tanks are filled, they may be used to refill helicopters, water-tankers or fire-trucks. If an area loses access to its mains water supply, it is possible to hold relief potable water for affected residents in these until normal services are restored.
Other uses for the units include storing water while ponds, swimming pools or tanks are cleaned or repaired. Hazardous materials such as spilled oil, chemicals or contaminated liquids can be collected and held in a safe manner. When the response time is critical, these units have many advantages. They can be taken into areas where it would be difficult or impossible to take a standard tank.
If there is a seepage or leak, it may be possible to place an onion tank under the problem area. It will then rise as it fills. Containing hazardous liquids as soon and completely as possible prevents undue contamination of the ground surface. Fire-fighting, oil spillages and containment of hazardous material are the main applications of these versatile units.
If the size or dimensions you require are not available from the many standard models, you can have a tank custom manufactured to fit a particular purpose. A tank of 4,000 gallons will have a base diameter of around eighteen feet. The top diameter is smaller. When collapsed this size will fold to a size of 38 by 24 inches. The cover may have straps or a zip to hold it in place.
To enable the tank to be hung up to dry, there is a strap on the inside of the base. The outer surface also has several straps to help manoeuvre the unit into place. A strong groundsheet is also supplied with each unit. This acts as a carrier for the collapsed tanks and also protects the base when the tank is full. For fire-fighting purposes, choosing a bright color is recommended to give greater visibility from the air.
Onion tanks fold up to transport or store. The low profile requires little site preparation and some have optional stabilizers or outriggers. Slopes of between 10 and 12 degrees require no preparation. Most units have a drain hole on either side of the tank. This allows for the speedy discharge of the contents.
The material used for these units has to meet stringent safety and strength guidelines. The two main types are approved either for the storage of potable water or for containing chemicals. PVC and polyurethane are commonly used. Material weights also meet strict international standards and military specifications. Seams are welded using the latest techniques. Because of their many benefits, onion tanks are being increasingly used.
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