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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