Page 545 - IRSEM_Main Book

(b) Signals with Route Indicators: The principles mentioned under para 20.5.2 (a) should be
observed in these case also.

Note: 1. No. part of a colour light signal without a route indicator should, as far as possible
be higher than 5.2 m above rail level. Great care should be exercised in deciding the locations
of colour light signals with route indicators so that the necessary minimum clearances are
available between the signals and live out of run conductors, or pantogaphs way zone.

2. On signal-line sections, signals (colour light as well as semaphore) should, as far as
possible be located on the side of the track opposite to the OHE masts.

20.5.3 For semaphore signals located outside the track: The minimum settings of masts before the
signal should be 3.05, 2.90 and 2.75 meters for the first, second and next three masts respectively.

Note: For details see Drg. No. ETI/OHE/G/00112.

Chapter 22: Requirements Of Signalling In 25 KV AC Electrified Area Page 488 of 535