Groundwater Monitoring & Water Level Control Is An Essential Part Of Construction Projects

Without any water level control and groundwater monitoring, current groundwater conditions cause great difficulties for infrastructure construction.

The effects of construction on the natural environment and its long established systems are profound and many. Deforestation causes an increase in the rate of rain water run off resulting in an increase in soil erosion and events like land and mud slides. The increased rate of run off causes water levels in streams and rivers to rise and flood in a shorter time and to dry up sooner.

constructionUrbanization

Urbanization accelerates run off because of surfaces such as roads, roofs and car parks. This adds to drainage problems that result in contamination and erosion of natural water courses. Quarries and mines often interrupt the natural state of aquifers, causing drops in groundwater levels that can affect local interests like agriculture and domestic wells.

Large Structures

The construction of large earth structures such as dams, berms and embankments also influence the pore water (groundwater) pressures below. These pressures are critical to the safety of dams and if the impounded water upstream of the dam rises or falls too rapidly the pressures could cause the dam to fail. The pore water pressures should be constantly monitored beneath critical large earth structures.

The monitoring program may include installing piezometers that allow the water level to be checked manually on a regular basis using a Heron dipper-T or Water Tape.

High Sample Frequency To Increase Safety And Accuracy

For greater frequency and recording try a Heron Dipper Log system. By using the dipperLog groundwater data logger placed strategically within and around the structure, a much higher sampling frequency with the ability to set alarm levels and initiate corrective procedures may be the best choice.

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By using the dipperLog ground water data logger placed strategically within and around the structure, a much higher sampling frequency with the ability to set alarm levels and initiate corrective procedures may be the best choice.