Brochure/Catalogue

Guidelines SEV 4022
Table 2.2.1
Buildings requiring lightning protection, lightning protection levels, control intervals
Building, facility, zone, areas Lightning protection
level
Control intervals
(years)
a Buildings that have rooms with a large number of occupants
(e.g. theatres, concert halls, dance halls, cinemas, multi-purpose sporting/exhibition arenas, retail
stores, restaurants, churches, schools, transportation facilities such as railway stations and similar
sites of public assembly, including the associated buildings, which can be adversely affected by a
lightning strike);
Note
Especially multi-purpose sports/exhibition arenas, theatres, cinemas, restaurants and similar sites
with rooms where there could be 100 or more persons; sales sites with a total sales area of less than
1,200 m
2
, if the calculated number exceeds 100 persons, sales sites with a total sales area of more
than 1,200 m
2
.
II 10
b
Accomm
odation facilities (e.g. hotels, nursing homes, institutions, hospitals, prisons, military
barracks);
Note
Especially hospitals, nursing homes where there are permanently or temporarily 10 or more
persons who depend on outside help; especially hotels, inns and boarding houses where there are
permanently or temporarily 15 or more persons that do not depend on outside help.
II 10
c
P
articularly tall buildings, including the adjoining buildings of normal height;
high-rise buildings used as residential and commercial buildings,
high chimneys and towers (church steeples).
Note
Buildings which are considered tall according to building legislation or where the top oor is more
than 22 metres above the surrounding terrain serviced by remen or where the eaves have a height
of more than 25 metres.
III
II
10
10
d Buildings made from combustible materials with a total volume of more than 3,000 m³; III 10
e Large agricultural and operational buildings (more than 3,000 m³) including the adjoining silos
and adjacent residential buildings which could be adversely affected by a lightning strike;
fermenting facilities or biogas plants;
III 10
f
Industrial and com
mercial buildings in high-risk areas (such as plants and equipment where
ammable or explosive materials are handled or stored), wood processing factories, mills, chemical
plants, textile and plastics factories, explosives and ammunition depots, pipelines, gas stations;
– Areas at risk of re
– Explosion-risk zones under a roof
II – I
II
I
10 - 3
10
3
g
Cont
ainers for ammable or explosive substances (such as ammable liquids or gases),
warehouses for solid or liquid fuels and associated buildings and facilities (e.g. machine buildings,
gas stations, storage buildings with lling equipment);
h
B
uildings and facilities which house content with special value items (e.g. archives, museums,
collections);
II 10
i
B
uildings and facilities which house sensitive technical equipment
(e.g. IT and telecommunications facilities);
Data centres;
II 10
j Buildings and installations in exposed topographic positions
(e.g. free-standing building [alpine huts] in the mountains
III – I 10 – 3
Extract from the guidelines of the SEV 4022 Lightning Protection Systems 2008; please follow the installation regulations and standards in the
individual countries.
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The basics of lightning and surge protection
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