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Engineering Specification SignalsInspection and Testing of Signalling

SPG 0711.4 INSPECTION AND TESTING PROCEDURESVersion 1.5 Issued May 2010

Owner: Approved by:

Warwick Allison, Chief Engineer Signals and Control Systems Warwick Allison Chief Engineer Signals and Control Systems Authorised by: Paul Szacsvay Principal Engineer Signalling Technology

Disclaimer This document was prepared for use on the RailCorp Network only. RailCorp makes no warranties, express or implied, that compliance with the contents of this document shall be sufficient to ensure safe systems or work or operation. It is the document users sole responsibility to ensure that the copy of the document it is viewing is the current version of the document as in use by RailCorp. RailCorp accepts no liability whatsoever in relation to the use of this document by any party, and RailCorp excludes any liability which arises in any manner by the use of this document. Copyright The information in this document is protected by Copyright and no part of this document may be reproduced, altered, stored or transmitted by any person without the prior consent of RailCorp.

UNCONTROLLED WHEN PRINTED

Page 1 of 80

Engineering Specification

RailCorp Engineering Specification Signals Inspection and Testing of Signalling Inspection and Testing Procedures

SPG 0711.4

Document controlVersion 1.0 1.1 1.2 1.3 Date 31 July 2007 02 December 2008 28 April 2009 July 2009 Summary of change Replaced SC 00 41 02 01 SP Inspection and Testing Proceduresv2.0. New Format Update Section 8 part xi) Section 8 item x - Clarify means of inhibiting points during "out of correspondence" testing Clarify "Correspondence" testing process where sealed contacts are used in points (section 8v) Updated examples for "Out of Correspondence" testing Clarify "Out of Correspondence" testing combination requirements in section 8 Application of TMA 400 format

1.4 1.5

August 2009 May 2010

RailCorp Issued May 2010

UNCONTROLLED WHEN PRINTED

Page 2 of 80 Version 1.5

RailCorp Engineering Specification Signals Inspection and Testing of Signalling Inspection and Testing Procedures

SPG 0711.4

Contents1 Introduction .............................................................................................................................6 1.1 General ......................................................................................................................6 1.2 Definitions ..................................................................................................................6 1.3 Applicable Documents ...............................................................................................6 Insulation Testing ...................................................................................................................7 2.1 General ......................................................................................................................7 2.1.1 Megger Test Instrument .............................................................................7 2.1.2 Regularly Test Instrument and Earth .........................................................7 2.1.3 Insulation Test Conditions ..........................................................................7 2.1.4 Insulation Tests: Circuits ............................................................................8 2.1.5 Lightning Protection Devices......................................................................8 2.1.6 Removal of Solid State Devices.................................................................8 2.1.7 Rotary Contacts..........................................................................................8 2.1.8 Equipment Case Earths .............................................................................8 2.1.9 Transformers ..............................................................................................8 2.2 Insulation Testing of Cables ......................................................................................9 2.2.1 General.......................................................................................................9 2.2.2 Continuity Test Cable .................................................................................9 2.2.3 Conductor Insulation Testing ...................................................................10 2.2.3.1 Single Series of Tests ...............................................................10 2.2.3.2 Individual Tests .........................................................................10 2.2.3.2.1 Prove integrity of Test Earth ......................................10 2.2.3.2.2 Insulation Test, Conductor to Earth...........................10 2.2.3.2.3 Insulation Test, Conductor to Sheath ........................10 2.2.3.2.4 Insulation Test, Sheath to Earth ................................11 2.2.3.2.5 Insulation Test between Conductors .........................11 2.3 Insulation Testing of Complete Circuits ...................................................................11 2.4 Testing Busbar Voltage Leak to Earth.....................................................................12 2.5 Localisation of Earth Leakage Faults ......................................................................12 2.5.1 Busbar voltage leak to earth measurements ...........................................13 2.6 Testing Earth Leakage Detectors ............................................................................14 2.7 Power Supply Isolation Test ....................................................................................14 Bell Continuity Test ..............................................................................................................14 3.1 General ....................................................................................................................14 3.2 Bell Continuity Test Procedure ................................................................................15 3.3 Example of Bell Continuity Test...............................................................................16 Wire Count and Null Count ..................................................................................................16 Circuit Function Tests ..........................................................................................................18 5.1 General ....................................................................................................................18 5.2 Circuit Function Test Procedure ..............................................................................19 Circuit Strap and Function Test ..........................................................................................19 6.1 Circuit Strap and Function Test Procedure .............................................................20 6.1.1 Procedure.................................................................................................20Page 3 of 80 Version 1.5

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RailCorp Issued May 2010

UNCONTROLLED WHEN PRINTED

RailCorp Engineering Specification Signals Inspection and Testing of Signalling Inspection and Testing Procedures

SPG 0711.4

6.2 7

6.1.2 Manually opening contacts.......................................................................21 6.1.3 Disconnection of wires .............................................................................21 6.1.4 False Feeds..............................................................................................21 6.1.5 Test Straps ...............................................................................................21 6.1.6 Plug-in Relays ..........................................................................................22 Example of Circuit Strap and Function Testing .......................................................22

Through Function Tests .......................................................................................................27 7.1 General ....................................................................................................................27 7.2 Through Circuit Function Test Procedure................................................................27 7.3 Through Function Test.............................................................................................28 Points Correspondence Test ...............................................................................................28 Aspect Sequence Test..........................................................................................................30 9.1 General ....................................................................................................................30 9.2 Aspect Sequence Test Procedure...........................................................................31 Mechanical Interlocking Test...............................................................................................32 Design Integrity Test/Function Test to Control Table .......................................................33 11.1 General ....................................................................................................................33 11.1.1 Function Testing works where Control Tables are not Provided ...................................................................................................34 11.1.2 Function Testing to follow Sign Off of Design Checking ..........................34 11.1.3 Function Testing for Operational Purposes..............................................34 11.2 Marking and Signing off the Control Table ..............................................................35 11.3 Temporary Test Panel to Simulate the Operation of Trackside Apparatus ..........

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