Lightning Strike is an experienced lightning protection, earthing and maintenance specialist, covering the whole of the UK. We are experts in our field, installing lightning protection systems that comply with the industry-recognised safety standards: BS 6651:1999, BSEN 62305-2011 and NF C 17 102. Similarly, our electrical services earthing complies with the BS 7430 1998 Standard.

As part of the requirements of the safety standards, rigorous inspection and testing must be carried out and records kept at the site, or by the person responsible for the installation's upkeep. The testing should be repeated at fixed intervals not exceeding 12 months.

OUR SERVICES
Lightning Strike takes pride in providing following services.

LIGHTNING CONDUCTOR
TESTING

Crucial to the installation of any lightning protection system, lightning conductor testing should also be carried out on existing systems by skilled personnel on a regular basis, using calibrated test equipment, to ensure safety and to comply with the relevant legislation.

LIGHTNING CONDUCTOR TESTING

EARTHING
SYSTEM TESTING

Testing the earthing system of a lightning protection system is an important measure to ensure it is functioning effectively and safely. Each conductor has its own electrode termination and the resistance to earth of the whole system must not exceed 10 ohms...

EARTHING SYSTEM TESTING

Soil
Resistivity Testing

In order to achieve an effective lightning protection system, soil resistivity is a crucial factor when considering any electrical grounding design - it describes the degree to which the soil will resist the flow of electricity and must always be taken into account when designing systems reliant on the current passing through the surface of the earth.

SOIL RESISTIVITY TESTING
OUR PROCESS
Inspection

A competent person must visually inspect all lightning protection systems during the installation process, after completion and after any extension or alteration, in order to verify that they are in accordance with the recommendations of the British Standards Code of Practice 6652:1999, BSEN 62305-2011 and NF C 17 102-2011.

Visual inspections should be carried out regularly – at least once every 12 months.

In addition, the mechanical condition of all earth electrodes, conductors, joints and bonds should be checked and the results noted. If it’s not possible to inspect some parts of the system for any reason – such as temporary building works – this should also be noted.

During periodic inspections of the lightning protection system, the bonding of any recently added service should be checked to ensure it’s in accordance with the recommendations of the British Standard.

Testing

Once the installation is complete, or any modification has been fulfilled, checks must be made, and the results recorded in a log book. The inspection will include the resistance to earth of the earth termination – the results of a visual check of system will also be recorded.

If the resistance to earth of the lightning protection system exceeds 10 ohms, the value should be reduced. Again, the test should be repeated at fixed intervals not exceeding 12-month intervals.

Records

Records should be stored at the site, or by the person responsible for the installation’s upkeep. These should include detailed drawings showing the nature, material, dimensions and positions of all component parts of the lightning protection system.

The records must also include the results of soil resistivity testing, providing details of the nature of the sub-soil and any special earthing arrangements, the type and position of the earth rod and whether the test conditions were wet or dry.

The name of the person responsible for the installation’s upkeep must be logged and any alterations. Any additions or repairs to the system must also be recorded.

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