A UNIQUE SKILL SET

From concept through to completion

TESL can assist with all aspects of design; from obtaining local soil structures, to developing a safe earth grid design, through to post install testing and surveys.

 OUR EARTHING SERVICES: 

CROSS SECTOR INVOLVEMENT:

  • Providing earthing design and testing services within ENWL, NPG, UKPN, SPEN, SSEN, WPD and Private Wire networks
PREVIOUS/CURRENT EARTHING DESIGNS:
  • Industrial sites
  • Substations
  • Solar farms
  • Wind farms
  • Battery and Gas STOR generation
The complexity of each of the earthing systems are tailored to accommodate customer and DNO requirements.

EARTHING SYSTEMS DESIGNED TO MEET RELEVANT UK STANDARDS INCLUDING:
  • ENA TS 41-24, ENA ER S34, BS 7430, BS EN 50522
  • Specific DNO design requirements

SERVICES INCLUDE:

  • Utility Searches
  • Soil Resistivity Surveys and Modelling
  • Earthing System Designs in CDEGSTM and XGSLabTM Software Packages
  • Model and Calculate Earth Return Fault Currents for Cable Connected Systems
  • Touch, Step and Transferred Voltage Potentials Assessment
  • Earth Potential Rise and Hot Zone Contour Assessment
  • Conductor Current Density Modelling
  • Post Construction Resistance Measurement using both the Fall of Potential and Clamp on Methods
  • Post Construction Earthing Surveys, Assessment and Auditing
  • Comprehensive Earthing Layout Drawings
  • Probabilistic Risk Assessment of Earthing Systems