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Types of Surface When Installing Cofferdams

Portable Cofferdam on a job siteTypes of Surface When Installing Cofferdams

Generally speaking, there are three different types of water conditions when it comes to construction and repair that could require the use of a cofferdam system by Dam-It Dams, Inc. Below we’ll provide descriptions for you, in order to help you better understand the various conditions.

Dry Installation

This condition is where there is no water present at the work site, therefore your dam can be installed more effortlessly. This condition allows for the easiest installation and breakdown of the cofferdam system while allowing for continued dry conditions.

Wet- Static Water Installation

In these sort of conditions, there is water existing on the work site, but the water is still and calm, non-moving but still there, regardless of depth. The cofferdam is then placed at the edge of the water, unrolled, and filled with water present at the site. Breakdown of the system upon completion of the project is as easy as draining the water and rolling the material up for transportation and storage or return.

Wet- Dynamic Water Installation

Dynamic water means moving water; the work site has water that is either moving in a steady current or harder faster pace, at varying depths, but generally this sort of water is deeper. These conditions are generally more dangerous and in definite need of a protective barrier like the one provided by a cofferdam system. Installation can sometimes require more manpower and also requires securing/anchoring to ensure that it’s doing its job properly. Breakdown of the system is very much the same as it is with static water installation conditions.

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