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WellPoint Dewatering for Saturated Construction Sites

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Various breakthroughs and advancements in construction technology have made it possible to build magnificent structures in heavily flooded locations, which was previously impossible. Because of the nature of the foundations built for the constructions, these elaborate structures are able to stand. Building these foundations does, in fact, necessitate the use of certain techniques. Dewatering is a common procedure for building foundations in waterlogged environments that is frequently deployed by dewatering contractors such as The PSA Group.

Dewatering is the process of lowering the amount of water in a certain area's soil. Depending on the soil in question, there are numerous methods for dewatering. Good deep construction, drainage construction, freezing process, soil stability using special chemicals, WellPoint system, creating sand grains, and electro-osmosis are some of the dewatering methods. This post will go over some of the most important aspects of employing a WellPoint system for a foundation in flooded areas. Continue reading to get more intriguing facts.

What is a WellPoint System, and how does it work?

To remove surplus water in the soil, the WellPoint dewatering system uses a pump and a drilled well point in the area where development is taking place. The beauty of this dewatering system is that it has a wide range of applications and can be utilised on a variety of soil types. It is cost-effective. It generates the best possible result based on the construction requirements.

WellPoint System Components

To perform properly, WellPoint dewatering systems have four main components. These elements are as follows:

  1. Riser Pipes: Using jetting, these pipes are plunged into the WellPoint. They bring water from the WellPoint up to the surface (s).

  2. Header pipes: The outer pipes gather the water collected by the riser pipes and direct it to a designated area or container. They collect water from riser pipes and direct it in a certain direction.

  3. Well points: These are common wells dug near the construction site. Their depth is determined by the amount of water in the soil. Perforated pipes with ball valves regulate water flow, while screens prevent mud from entering the water at these places.

  4. Pumps: These pull water from the ground via the WellPoint (s).

How to Use WellPoint Foundation Systems in a Flooded Area

To guarantee that your WellPoint system efficiently dewaters a water-logged area, there are particular actions to take. These steps are as follows:

  1. Create WellPoint(s) by jetting, then allow the water from the WellPoint to run until it clears with a water jet. Well points are typically spaced at a spacing of 1-3 metres apart. To enclose the building area, these points should be built.

  2. Connect the WellPoint to the riser pipes (s).

  3. Collect water from the WellPoint through the riser pipes using the suction force of a suction pump.

  4. Direct and collect the water using the header pipes to a container or a designated area.

  5. Repeat the process until you've created a building area that's ready to go.


The depth and number of WellPoint(s) utilised for dewatering in a construction area are determined by the environment. WellPoint systems, on the other hand, are one of the most effective, dependable, and diverse dewatering technologies available. All wellpoint dewatering systems must use the most up-to-date dewatering hire equipment. This page has offered the most comprehensive explanation of the WellPoint dewatering system. It has also looked at some of the wellpoint system's components to help you understand it better.

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