FURSE LIGHTNING PROTECTION PDF

6 – 9. Detailed information on the Furse product range which forms a Total Solution to all your lightning protection, transient overvoltage and earthing needs. Furse. Lightning protection. Conductors · Air termination · Conductor network · Lightning protection accessories. Earthing protection. Earthing protection. A structural lightning protection system is designed to protect the fabric of a structure and the lives of the people inside by channelling the lightning strike in a .

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This illustration is designed to demonstrate the main aspects and individual components of a structural lightning protection system.

External lightning protection systems

It is not intended to represent an actual scheme conforming to a particular code of practice. The drawing is not to scale. The first choice faced by the designer of a structural lightning protection system is the type of conductor system to be used.

Choose the material required, i. Choose the type of conductor required, i. The down furze system is the means of carrying the current of a lightning strike safely to the earth termination network.

Select the correct system of fixings for each part of peotection conductor system. Fixings are available for a wide range of modern construction materials, eg brick, stone, plastic and metal. The air termination network is the point of connection for a lightning strike.

It typically consists of a meshed conductor arrangement covering the roof of the structure. Use air terminals in the form of vertical air rods for the protection of prominent roof top features or equipment. Use strike pads to expose concealed conductors. Choose the correct air terminal base. This will ensure that the vertical air rods are both solidly fixed to the fabric of the structure and have a low resistance connection to the conductor network.

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Literature

Select a component for the interconnection of multiple conductors or for changes of direction. Jointing clamps will ensure a low resistance, corrosion resistant connection. In order to allow periodic disconnection and testing of the earth termination network, select a test clamp to be placed within the run of each down conductor.

The means of dissipating the current to the general mass of earth. Choose an earth electrode to pritection the ground conditions in the locality of the structure. Electrodes are available in the form of rods and plates lattice or solid.

Select a high copper content alloy earth rod clamp for the connection of the earthing conductor to the earth rod. In this below ground application, the clamp must ensure a good electrical contact and resist corrosion throughout the lifetime of the installation.

Bonding is the most commonly employed method of avoiding the damaging effects of side flashing. All continuous metalwork should be considered for bonding. All metallic services, eg cable armoring, gas, water or steam piping, entering the building should also be bonded as directly as possible to the earth termination network. Select the correct type of metalwork bond for the application, i. How to apply structural lightning protection. Click on a link on the right for details.

Conductors The first choice faced by the designer of a structural lightning protection system is the type of conductor system to be used. Down conductor network The down conductor system is the means of carrying the current of a lightning strike safely to the earth termination network. Conductor fixings Select the correct system of fixings for each part of the conductor system.

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Air termination network The air termination network is the point of connection for a lightning strike. Air Terminals Use air terminals in the form of vertical air rods for the protection of prominent roof prtection features or equipment.

Air terminal bases Choose the correct air terminal base. Conductor jointing clamps Select a component protecttion the interconnection of multiple conductors or for changes of direction. Test clamps In order to allow periodic disconnection and testing of the earth termination network, select a test clamp to be placed within the run of each down conductor.

Literature – Furse (Earthing & lightning protection) | ABB

Earth termination network The means of dissipating the current to the general mass of earth. Earth electrodes Choose an earth electrode to suit the ground conditions in the locality of the structure. Earth rod clamps Select a high copper content alloy earth rod lightnihg for the connection of the earthing conductor to the earth rod.

Earth inspection chambers In order to allow periodic disconnection and testing of the earth termination network, select a test clamp to be placed within the run of each down conductor. Bonding Bonding is the most commonly employed method of avoiding the damaging effects of side flashing.

Bonds to metalwork Select the correct type of metalwork bond for the application, i.