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C64.65201 Issue 3
Jun 2019
Correctly fitted backboard on a 3 aspect short housing signal head shown – 3 aspect tall and 4 aspect
signals have the same arrangement)
.
Signal Alignment
General Notes
GREAT CARE SHOULD BE TAKEN TO ALIGN THE SIGNAL IN STRICT
ADHERENCE TO THE SIGNAL SIGHTING FORM REQUIREMENTS
The Signal Sighting Form (SSF) will provide the definitive, signal specific alignment
details and should always be consulted prior to commencement of work.
Where the centre of the most restrictive aspect is greater than 2750mm above the
LH running rail, the signal is generally aligned to a target board (PADS Number
086/011540) at a point detailed in the Signal Sighting Form.