5402880) with
isFang tripod stand (item no. 5408967).16 shows the influence wind zone, refer-
ence height and terrain category the aluminium
isFang air-termination rod (item no.Wind loads and the isFang air-termination rod
Table 2.
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 2.16: Required number OBO concrete blocks accordance with 1991-1-4 and 1991-3-1
TBS
Blitzschutz-Leitfaden
2018
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2020/01/10
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80
Chapter The external lightning protection system
.
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)
