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Site Radiation Survey Report
SITE RADIATION SURVEY
Site X, zzz Town
XX XXXXXXX , XXXXXXX
Site ID No: 12345
Dated: 29.09.2007
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Site Radiation Survey Report
CONTENTS
1.0
SCOPE.................................................................................. 3
2.0
EQUIPMENT ......................................................................... 4
3.0
TRANSMITTERS .................................................................. 5
4.0
FM Antenna Details ............................................................. 7
6.0
GENERAL............................................................................. 9
6.1
A SUPPLEMENTARY ....................................................... 9
7.0
WORK PRACTICES ........................................................... 10
8.0
REFERENCES.................................................................... 11
9.0
SURVEY DETAILS ............................................................. 11
10.0 SITE/RADIATION DRAWINGS .......................................... 12
CAUTION SHEET ........................................................................ 17
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Site Radiation Survey Report
1.1
SITE
Site Name, Owner Name
Structure Height:
Latitude:
Longitude:
1.0
50m
0
Type of site:
FM Broadcast
Microwave Link
Data Link
2 Way Comms 400MHz
2 Way Comms 900MHz
-21 01’ 56”
1480 56’ 35”
SCOPE
This radiation survey is limited to the structure of the mast and areas that are
reasonably accessible. No attempt was made to measure the radiation IN-FRONT of
radiating antennas. It is assumed that normal precautions for work on high power sites
will be followed and NO work will be carried out in front of any antenna unless it
has been confirmed that no significant power is being radiated from the antenna.
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2.0
EQUIPMENT
The radiation survey was conducted using a RAHAM model 40 meter, a RAHAM 94 “E”
field probe S/N9534041 and a RAHAM H105 “H” field probe S/N 9534018.
“H” Field Probe Covers the Frequency Range 100 kHz – 1 GHz. The correction factors for
the probe are within 2% for the frequencies involved in this survey.
The “E” field probe covers the frequency range 200 kHz – 3GHz. The correction factors are
less than 2% and no correction has been applied, as this is much smaller than the probes
accuracy.
All Equipment Calibrated by ARPANSA, 28th August 2007
NOTE: in some cases this procedure will overestimate the measured field.
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3.0
TRANSMITTERS
FM Broadcast Equipment
Other Services – Rack 1 Comms Room
RACK 2
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Site Radiation Survey Report
Rack 3
Rack 4
1.
Rack 6
Rack 8
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Other
The transmitters were confirmed as actively transmitting before and after the radiation
survey.
Serial Numbers are listed when clearly visible on equipment. At no time were live transmitter cabinets
opened during the survey.
4.0
FM Antenna Details
FM Array
Model: 16U3311
RFS 904CP Panels
16 Panel Array
Gain: 14dBi
Feeder: 3/12” x 2
Height: 40m-50m
For Other antenna Types and Locations See Tower Drawings.
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5.0
MEASUREMENTS
The attached drawings have the results of the radiation survey measurements on
them. Sufficient readings were taken to establish the fields during the conditions
when the tests were conducted. These are shown in two columns one an average or
typical value and the maximum value recorded in the general area. Two tables are
given, first on ladders and platforms. The second table for inside the
tower/mast/mounting steelwork structure or inside the line of the legs. In some areas
the readings are calculated from knowledge of the field and the measurements on
similar parts of the antennas. These inferred values are enclosed in (parentheses).
Anywhere where the peak reading of either the “E” or “H” field is between 1.0
mW/sq cm and 4.99 mW / sq cm, an easily identifiable area, hatched with and
coloured yellow. NOTE: These areas may contain positions with areas below
2.0mW/sq cm but are intended to contain all areas which should be avoided. The
maximum time allowed by ARPANSA standard in these areas is also shown on the
drawings. Following exposure to these elevated levels the standard calls for “…a
recovery period of not less than 40 minutes. This shall be spent in an area in which
the field strength is substantially less than the maximum occupational levels.” The
standard suggests 0.5mW/sq cm would satisfy this requirement.
Anywhere where the peak reading of either the “E” or “H” field is above 5.0 mw/sq
cm an easily identifiable area is defined, hatched and coloured red. NOTE these
areas may contain positions with levels below 1.0mw/sq cm but are intended to
contain all areas, which must be avoided.
In some cases no readings were taken. A large part of the structure clearly presents no
possibility of radiation hazards. Other areas the levels can be determined by the
radiation from different configurations of antennas and can be deduced from other
attached drawings. These areas are not marked. Other areas clearly present a
Radiation Hazard and readings were not taken to minimise the risks to the survey
team. Typically these areas are adjacent to >5mW areas. These areas are hatched and
coloured but no readings are given.
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6.0
GENERAL
As well as the tower the transmitter room was also surveyed.
Within the transmitter area with the transmitter running at full power into the antenna
all areas were less than the minimum discernible reading on the meter.
ALL LEVELS WERE BELOW <0.001 mW/cm2
6.1
A SUPPLEMENTARY
Evaluation of RF site utilising the ACMA’s supplements 1, 2, 3, 4, 5 and 6.
This evaluation utilises the charts and calculations of signal strengths
from the data given by the ACMA. These figures over estimate the signal
strength and if you require a more accurate survey a full-metered survey
will be required. Not required as full survey conducted.
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7.0
WORK PRACTICES
1)
No work is to be carried out in front of radiating antennas.
2)
General Public should not Enter Site under any Circumstances.
3)
All GridPaks and Microwave Dishes should be assumed to be actively
transmitting – NO work should be carried out in front unless connected
equipment has been confirmed to be DISSCONECTED.
4)
All Areas 3 - 6m below FM Antennas are Time Limited
5)
Areas 0 -3m below and directly behind FM Antennas are NO GO zones
6)
Before work is performed on site the EMR Folder should be read and signed.
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8.0
REFERENCES
WHO, 1993, Electromagnetic Fields (300Hz to 300GHz) Environmental
health Criteria 137. World Health Organisation, Geneva.
Standards Association of Australia, 1998. Principle exposure levelsradiofrequency radiation-300 kHz to 300 GHz, Publication AS2772.11998(int), Standards Association of Australia, North Sydney.
Standards Association of Australia, 1988. Principles and methods of
measurement-radiofrequency radiation- 300kHz to 100 GHz, publication
AS2772.2-1988, Standards Association of Australia, North Sydney.
ARPANSA
Radiation Protection Standard
Maximum Exposure Levels to Radiofrequency Fields3 kHz to 300 GHz (2002)
9.0
SURVEY DETAILS
Survey Performed On __XX_/_XX_/XXXX
Report Compiled By
Sample Signed___XXXXXXXXX___
Field Service Technician
Report Endorsed By
Date: 25/11/2007
Sample Signed___XXXXXXXXX__
Technical Services Manager
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10.0
SITE/RADIATION DRAWINGS
Site layout and radiation drawing.
Note: If more than the structure assessed the site radiation drawings will
include rooftop and building layouts.
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Site Radiation Survey Report
SRF LOG BOOK
TO BE SIGNED BY ANY PERSONS ENTERING RF HAZARD AREAS.
Sheet Number:……………….. Transmitter Site:
.
I certify that I have read this Site Radiation Folder and understand the RF Hazard Areas and Safety procedures at this site.
Date
Name
Company and /or Section
Telephone No.
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Reason for visit
signature
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Site Radiation Survey Report
SRF LOG BOOK
TO BE SIGNED BY ANY PERSONS ENTERING RF HAZARD AREAS.
Sheet Number:……………….. Transmitter Site:
.
I certify that I have read this Site Radiation Folder and understand the RF Hazard Areas and Safety procedures at this site.
Date
Name
Company and /or Section
Telephone No.
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Reason for visit
signature
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Site Radiation Survey Report
SRF LOG BOOK
TO BE SIGNED BY ANY PERSONS ENTERING RF HAZARD AREAS.
Sheet Number:……………….. Transmitter Site:
.
I certify that I have read this Site Radiation Folder and understand the RF Hazard Areas and Safety procedures at this site.
Date
Name
Company and /or Section
Telephone No.
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Reason for visit
signature
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Site Radiation Survey Report
CAUTION SHEET
CAUTION!
This Site Radiation Folder may not accurately describe the extent of
Hazardous RF Radiation at this site for the reasons indicated below.
A person accredited to perform RF measurements must record the RF
radiation hazard of the proposed work area or an approved calibrated
personal RF monitor must be used at all times in conjunction with the
RF Safe Working Procedures.
(Tick) THIS SITE WAS MEASURED ON ……/……/……. And a
new SRF is being prepared.
And/or
(Tick) Errors have been detected. An Amendment return form has
been submitted and noted in the site amendment registrar.
And/or
(Tick)
Short term rearrangements are in place as follows:
.
.
.
.
They have noted in the site amendment index registrar, which is to be
signed off when restored to the original state. This sheet must then be
removed and discarded.
And/or
(Tick) Other: Please give details:
Inserted by (Name)………………………………………..Date:…./…./…..
Signature:…………………………….Contact Tel:………………………….
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