AquaDams® are portable dams filled with onsite water that can be installed wherever needed to cofferdam, contain, or divert the flow of water. AquaDams® consist of two basic parts: an outer or "master tube" (C) made of a heavy duty geotextile woven polypropylene which holds the two inner tubes (A & B) in contact when filled with water. The outer and inner tubes combine to form an AquaDam® as shown in Figure 1, a cut away section illustrating the relationship between the inner and outer tubes of a typical filled AquaDam®.


Figure 1.A cross section of a typical AquaDam®, illustrating the relationship between the two inner tubes which contain the water and the "master" tube that keeps the inner tubes parallel and in contact with each other.

A and B illustrates the two inner tubes inflated with water.
C is the outer or "master" tube made of very tough polypropylene woven geotextile fabric which confines the water filled inner tubes, making the AquaDam® a solid wall of water. These two confined columns of water provide the mass, weight, and pressure that gives the AquaDam® its stability.

To install an AquaDam®, onsite water is pumped into the two inner tubes during the installation process. The durable woven outer tube confines the water-inflated inner tubes. The counter friction / hydraulic pressure between the inner tube and the outer tube, along with the mass and weight of the water, creates pressure and stabilizes the AquaDam® when lateral water pressure is exerted against it. Due to the inherent flexibility of the materials used to confine the water, AquaDams® will conform to most surfaces, providing an excellent seal and keeping water seepage to a minimum. 

AquaDams® come in a variety of sizes, ranging from 1 to 16 feet in height when inflated. AquaDams® come in standard lengths of 50 or 100 feet, and are available for immediate shipment. Any length can be fabricated. Shorter, longer, or irregular lengths are available with notice. Using attachment collars, two or more AquaDams® can be joined together to form a continuous cofferdam of any necessary length. AquaDams® are joined together by a patented coupling collar connection (standard with each AquaDam®).  Large and small AquaDams® can be used in conjunction with each other. The possible configurations are almost endless. They can be used in a straight line, to form an arc, or to encircle a building. AquaDams® can also be connected at angles to each other, as may be required by the job requirements.

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