General Information on Track Circuits - RGS Online

Railway Group Approved Code of Practice
GK/RC0752
Issue Two
Date December 1998
Page C10 of 11
Symbol
4 Engineer’s
Scale Diagrams
Withdrawn Document
Uncontrolled When Printed
<strong>General</strong> <strong>Information</strong> on Track Circuits
4.1 <strong>General</strong> Symbols
These symbols are to be used on the 1:100 and 1:200 scale diagrams when
requesting IRJs and point insulations to be installed by the Permanent Way
Engineer. The symbols are to be coloured red on plans returned to the
Permanent Way Engineer.
Note: On Permanent Way Engineer’s Plans, dimensions are to the inside
edges of rails.
Insulated rail joint required.
Description
Insulated soleplate and stretcher bars required (position of insulation
to be shown).
Drilling of insulated soleplate for facing point lock required, to
MD 82017 (position of insulation to be shown).
Extended sleepers and soleplate required for the installation of
combined type machines with left hand drive (show in reverse for right
hand drive). Standard facing points (not clamp locks), drilled to
BRS-SM 318.
Extended sleepers and soleplate required for the installation of
combined type machine. Right hand drive for single or double slips (not
clamp locks), drilled to BRS-SM 319.
C10 RAILTRACK