Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 95 z 288

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5 m TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 95 Chapter The external lightning protection system .50 m long air-termination rod. h: Building height Protective angle α Air termination systems and arrest down conductor sys- tem 4th step: Completing the air-termination system Take the air-termination system down the conductor equipment. The following roof structures must protected with air-termination systems against direct lightning strikes: • Metallic materials higher than 0. The chimney our example has a diameter and therefore requires 1.TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 h1 : building height h2 : air-termination rod height Protective angle α Protective angle method for air termination rods 3rd step: Building sections outside the protective angle Building parts outside the protective angle require additional protection.3 m • Non-conductive materials (e. PVC pipes) with a height greater than 0. Always observe the protective angle. Dormer windows are given their own ridge con- ductor. The ends the ridge conductor should protrude and curve upwards 0.15 This also pro- tects any projecting canopies.g