Page 465 - 35_DS702_E_2014_Lightning_Protection_Guide

Figure 5.1.2.3 Additional air-termination system for vent pipes . . . . . . 73 Figure 5.1.10.2 Lightning protection for the anemometers of a wind turbine 88
Figure 5.1.2.4 Building with photovoltaic system and sufficient separation Figure 5.1.11.1 Protection against direct lightning strikes by means of
distance; source: Blitzschutz Wettingfeld, Krefeld . . . . . 74 self-supporting air-termination rods . . . . . . . . . . . . 89
Figure 5.1.2.5 Antenna with air-termination rod and spacer . . . . . . . 74 Figure 5.1.11.2 Procedure for installing air-termination systems according
Figure 5.1.3.1 Air-termination system on a flat roof. . . . . . . . . . . . 74 to IEC 62305-3 (EN 62305-3). . . . . . . . . . . . . . . . 89
Figure 5.1.3.2 Practical use of air-termination rods . . . . . . . . . . . . 75 Figure 5.1.11.3 Self-supporting air-termination rod with hinged tripod. . . 90
Figure 5.1.3.3 Bridging braid used for the roof parapet . . . . . . . . . . 75 Figure 5.1.11.4 Division of Germany into wind zones; source:
DIN EN 1991-1-4/NA: Actions on structures – Part 1-4:
Figure 5.1.3.4 Example how to protect the metal capping of the roof General actions – Wind actions. . . . . . . . . . . . . . . 90
parapet if melting is not allowed (front view) . . . . . . . 75
Figure 5.1.11.5 Comparison of the bending moments of self-supporting air-
Figure 5.1.3.5 Plastic flat roof sheetings – Roof conductor holder of type termination rods with and without braces (length = 8.5 m). 92
KF / KF2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 5.1.4.1 Types of metal roofs, e.g. roofs with round standing seam . 77 Figure 5.1.11.6 FEM model of a self-supporting air-termination rod with-
out brace (length = 8.5 m) . . . . . . . . . . . . . . . . . 92
Figure 5.1.4.2 Example of damage: Sheet metal. . . . . . . . . . . . . . 77 Figure 5.1.11.7 FEM model of a self-supporting air-termination rod with
Figure 5.1.4.3 Air-termination system on a metal roof – Protection brace (length = 8.5 m) . . . . . . . . . . . . . . . . . . . 93
against puncture . . . . . . . . . . . . . . . . . . . . . . 77 Figure 5.1.12.1 Safety rope system used on a flat roof . . . . . . . . . . . 93
Figure 5.1.4.4a Conductor holders for metal roofs – Round standing seam 78 Figure 5.1.12.2 Incorrect installation: Safety rope system intersects the air-
Figure 5.1.4.4b Conductor holder for metal roofs – Round standing seam . 78 termination system . . . . . . . . . . . . . . . . . . . . . 93
Figure 5.1.4.5 Sample construction o a trapezoidal sheet roof, conductor Figure 5.1.12.3 Integration of the safety rope system (fall protection) in
holder with clamping frame . . . . . . . . . . . . . . . . 78 the air-termination system . . . . . . . . . . . . . . . . . 94
Figure 5.1.4.6 Sample construction on a standing seam roof . . . . . . . 78 Figure 5.1.12.4 Flat-roofed structure – Detailed view. . . . . . . . . . . . 94
Figure 5.1.4.7 Air-termination rod for a domelight on a round standing Figure 5.1.12.5 Installation example: Connecting set for safety rope systems. 94
seam roof . . . . . . . . . . . . . . . . . . . . . . . . . 78
Figure 5.2.2.1.1 Loop in the down conductor . . . . . . . . . . . . . . . . 97
Figure 5.1.5.1 Air-termination system for buildings with thatched roofs . 79
Figure 5.2.2.1.2 Down conductors. . . . . . . . . . . . . . . . . . . . . . 97
Figure 5.1.5.2 Components for thatched roofs . . . . . . . . . . . . . . 79
Figure 5.2.2.1.3 Air-termination system connected to the gutter . . . . . . 97
Figure 5.1.5.3 Thatched roof. . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 5.2.2.1.4 Earth connection of a downpipe . . . . . . . . . . . . . . 97
Figure 5.1.5.4 Historical farmhouse with external lightning protection
system; source: Hans Thormählen GmbH & Co.KG.. . . . . 80 Figure 5.2.2.2.1 Use of natural components – New buildings made of
Figure 5.1.5.5 Sectional view of the main building . . . . . . . . . . . . 80 ready-mix concrete . . . . . . . . . . . . . . . . . . . . . 98
Figure 5.1.5.6 Schematic diagram and picture of the installation of the Figure 5.2.2.2.2 Metal substructure, conductively bridged . . . . . . . . . 98
down conductor at the rafter. . . . . . . . . . . . . . . . 81 Figure 5.2.2.2.3 Earth connection of a metal façade . . . . . . . . . . . . 98
Figure 5.1.5.7 HVI Conductor led through the fascia board . . . . . . . . 81 Figure 5.2.2.2.4 Down conductor installed along a downpipe. . . . . . . . 98
Figure 5.1.6.1 Lightning protection system for a car park roof – Figure 5.2.2.3.1 Test joint with number plate . . . . . . . . . . . . . . . . 98
Protection of the building . . . . . . . . . . . . . . . . . 82 Figure 5.2.2.4.1 Air-termination system for large roofs – Internal down
Figure 5.1.6.2 Lightning protection system for a car park roof – Protection conductors . . . . . . . . . . . . . . . . . . . . . . . . . 99
of the building and persons (IEC 62305-3 (EN 62305-3); Figure 5.2.2.5.1 Down-conductor systems for courtyards . . . . . . . . . . 100
Annex E) . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure 5.1.7.1 Green roof . . . . . . . . . . . . . . . . . . . . . . . . . 83 Figure 5.2.3.1 Air-termination masts isolated from the building. . . . . . 100
Figure 5.1.7.2 Air-termination system on a green roof . . . . . . . . . . 83 Figure 5.2.3.2 Air-termination masts spanned with cables . . . . . . . . 100
Figure 5.1.7.3 Conductor routing above the cover layer. . . . . . . . . . 83 Figure 5.2.3.3 Air-termination masts spanned with cross-linked cables
(meshes) . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure 5.1.8.1 Risk posed by directly connected roof-mounted structures . 84
Figure 5.2.4.1 Formation of a creeping discharge at an insulated down
Figure 5.1.8.2 Isolated air-termination system - Protection by an air- conductor without special sheath . . . . . . . . . . . . . 101
termination rod. . . . . . . . . . . . . . . . . . . . . . . 84
Figure 5.2.4.2 Components of a HVI Conductor . . . . . . . . . . . . . . 102
Figure 5.1.8.3 Air-termination rod with spacer . . . . . . . . . . . . . . 84
Figure 5.2.4.3 Functional principle sealing end / field control . . . . . . . 102
Figure 5.1.8.4 Angled support for an air-termination rod . . . . . . . . . 85
Figure 5.2.4.4 Different types of HVI Conductors . . . . . . . . . . . . . 103
Figure 5.1.8.5 Supporting element for an air-termination rod . . . . . . . 85
Figure 5.1.8.6 Isolated air-termination system of a photovoltaic system . 85 Figure 5.2.4.5 Protection of a PV system by means of a HVI light
Conductor . . . . . . . . . . . . . . . . . . . . . . . . . 103
Figure 5.1.8.7 Isolated air-termination system for roof-mounted structures 85 Figure 5.2.4.6 Connection of DEHNcon-H (HVI light Conductor I)
Figure 5.1.8.8 Installation of a telescopic lightning protection mast . . . 85 to the earth-termination system . . . . . . . . . . . . . . 104
Figure 5.1.8.9 Elevated air-termination system; source: Blitzschutz Figure 5.2.4.7 Protection of a residential building by means of
Wettingfeld, Krefeld . . . . . . . . . . . . . . . . . . . . 86 DEHNcon-H (HVI light Conductor III) . . . . . . . . . . . . 104
Figure 5.1.8.10 Tripod for isolated supporting tubes . . . . . . . . . . . . 86 Figure 5.2.4.8 Protection of a biomethane plant by means of a HVI
Figure 5.1.8.11 Isolated air-termination system with DEHNiso Combi . . . 86 Conductor I . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 5.1.8.12 Rail fixing clamp for DEHNiso Combi supporting tube . . . 86 Figure 5.2.4.9 Installation of a HVI Conductor III with sealing end . . . . 105
Figure 5.1.8.13 Isolated air-termination system with DEHNiso Combi . . . 87 Figure 5.2.4.10 Installation of a HVI power Conductor . . . . . . . . . . . 105
Figure 5.1.9.1 Installation of the down conductor on a steeple . . . . . . 87 Figure 5.2.4.11 Sealing end range . . . . . . . . . . . . . . . . . . . . . 106
Figure 5.1.10.1 Wind turbine with integrated receptors in the rotor blades 88 Figure 5.2.4.12 HVI strip stripping tool . . . . . . . . . . . . . . . . . . . 106

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