ERICO 3000 ERITECH SYSTEM - Manual (Page 42)

INSTALLATION, OPERATION AND MAINTENANCE MANUAL
40
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Once the terminal has been checked and
found to be in an acceptable condition
for installation, it can be attached to the
terminated downconductor as shown in the
Upper Termination instructions on page 37.
Please note, the serial number of each unit
will have been recorded in the Certificate
Of Compliance (inside back cover) in this
manual.
Masts
The selected mast configuration chosen must:
t
Elevate the terminal to the required
height as determined by the design
process (minimum height of 3 m
(10 ft.) above the highest point of the
structure).
t
Include a minimum of 2 m (80 in.) of
insulated mast material (FRP) immediately
below the air terminal.
t
Be suitably rated for local weather
conditions. It is advisable that guidance
from a local civil engineer be sought.
t
Be securely attached to the selected
mounting point(s).
t
Be guyed if applicable.
Terminals
Terminals and Masts
If the lower section of the mast
is conductive, ie. aluminum or
galvanized iron; then:
t*UNVTUCFFMFDUSJDBMMZCPOEFEUP
the nearest conductive structural
point. This may be either
structural steel work or concrete
reinforcing. Refer to page 20 for
details.
t5IFEPXODPOEVDUPSNVTUCF
secured to the mast at 1 m (40
in.)
intervals (max.).
Three basic types of mast configuration
include:
Guyed
t
Single length guyed - one section of
FRP (Fiberglass Reinforced Plastic)
mast material guyed at the top.
t
Double length guyed - two sections of
mast material, usually aluminum lower
and FRP upper, guyed between the two
sections and at the top.
Cantilevered
Used in situations where it is more practical
to mount without a base, eg: radio towers.
t
At least one third of the lower mast
should be secured against the structure.
t
Cantilevered masts can either be free
standing or guyed for extra stability.
Freestanding
Often used where the terminal, down-
conductor and grounding system are
isolated from volatile areas by installing the
ERITECH
® SYSTEM 3000 at least 5 m (17 ft.)
away from those areas.