Masts; Types Of Mast Configurations - Lightning Protection International Guardian System 5 Installation Manual

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Masts

The mast chosen for the application must:
• Raise the terminal to a height of at least 2 metres (81 in.) higher than the structure.
(Minimum accepted).
• Have an FRP mast section of at least 2 metres (81 in.) used below the air terminal if
using LPI HVSC.
• Be suitable for local weather conditions. Seek guidance from a local civil engineer.
• Be guyed and securely attached to the dedicated mounting points (if required).

Types of Mast Configurations

When mounting a Guardian CAT terminal, there are generally
three types of mast configurations that can be used.
Cantilevered
Typically used for mounting to a tower or the side wall of
a plant room when a mast and base are not suitable. See
drawings CTA-02, CTA-03, CTA-05 and Figure 36.
• 1/3 of the overall mast height must be fixed to the
structure for adequate mechanical strength.
• Cantilevered masts can be guyed for additional
strength. If guying, the use of a guy ring and/or the
eyelets provided on the inline coupling can be utilized.
Document 36 II Guardian
Version 1.02
Guardian Install Manual V12.indd 37
© Copyright 2008 LPI
Figure 36.
Cantilevered Mast
35
22/9/08 4:25:26 PM

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