16 shows the influence wind zone, refer-
ence height and terrain category the aluminium
isFang air-termination rod (item no.16: Required number OBO concrete blocks accordance with 1991-1-4 and 1991-3-1
TBS
Blitzschutz-Leitfaden
2018
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en
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2020/01/10
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80
Chapter The external lightning protection system
.Wind loads and the isFang air-termination rod
Table 2. 5408967).
Number concrete blocks for isFang air-termination rods
Wind zone 2
Reference height metres 75
Terrain category -
Terrain category -
Terrain category III -
Terrain category 15
Table 2. 5402880) with
isFang tripod stand (item no.
In wind zone with reference height m,
and 800 above sea level, for example, the
number concrete blocks can reduced just 6
(2 concrete blocks per bracket)
