JMI - Earthing , Grounding - Soil Resistivity Survey

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Earthing/Grounding

Soil Resistivity Survey
Designs usually begin with a detailed site survey, which requires JMI engineers visiting a site to carry out a range of tests. Soil resistivity tests can be undertaken using several methodologies, the most common, and often the most pragmatic, is the Wenner Method. Soil samples are frequently taken to establish the acidity of the ground, which informs the selection of the most suitable installation materials, thus extending the lifetime of the earthing/grounding system.

Once all site data has been collected a detailed design is constructed using the latest computer aided design software CDEGS (Current Distribution, Electromagnetic Fields, Grounding and Soil Structure Analysis). We provide a safe, cost effective solution that complies with all relevant standards and codes of practice.

A written report is provided detailing system layout, installation specification, soil resistivity and acidity levels, theoretical earth system resistance, ground potential rise, supporting graphs indicating touch, step and transferred voltage potentials in and around the site.

For examples of results please refer to:

» Sample - Apparent Resistivity Graph

If you would like to view a sample report, why not contact a member of our team by calling +44 (0)871 489 6 666or email us at info@jmiearthing.com

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