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NR/L3/TRK/055

Work Instructions for Ultrasonic Rail Testing

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Organization: NR
Publication Date: 5 December 2020
Status: active
Page Count: 13
scope:

This standard specifies the ultrasonic inspection procedure to be applied on running lines and sidings:

a) plain line track;

b) switches and crossings (S&C).

Purpose

This document defines the ultrasonic inspection procedures to be used to inspect track as specified in NR/L2/TRK/001 to detect cracks in the rail and prevent rail breaks.

Document History

NR/L3/TRK/055 ISSUE 5
December 3, 2022
Work Instructions for Ultrasonic Rail Testing
This standard specifies the ultrasonic inspection procedure to be applied on running lines and sidings: a) plain line track; b) switches and crossings (S&C). Purpose This document defines the...
NR/L3/TRK/055
December 5, 2020
Work Instructions for Ultrasonic Rail Testing
This standard specifies the ultrasonic inspection procedure to be applied on running lines and sidings: a) plain line track; b) switches and crossings (S&C). Purpose This document defines the...
NR/L3/TRK/055
March 7, 2020
Work Instructions for Ultrasonic Rail Testing
This standard specifies the ultrasonic inspection procedure to be applied on running lines and sidings: a) plain line track; b) switches and crossings (S&C). Purpose This document defines the...
NR/L3/TRK/055 ISSUE 2
September 3, 2016
Work Instructions for Ultrasonic Rail Testing
This standard specifies the ultrasonic inspection procedure to be applied on running lines and sidings: a) plain line track; b) switches and crossings (S&C). Purpose This document defines the...
RT/CE/S/055 ISSUE 1A
February 7, 1998
Rail Testing: Ultrasonic Procedures (aka NR/SP/TRK/055)
The content of this specification is applicable to all Railtrack-approved types of ultrasonic rail testing instruments used by manual rail flaw detector operators when testing rolled steel rails. The...
RT/CE/S/055 ISSUE 1
March 1, 1996
Rail Testing: Ultrasonic Procedures (aka NR/SP/TRK/055)
The content of this specification is applicable to all Railtrack-approved types of ultrasonic rail testing instruments used by manual rail flaw detector operators when testing rolled steel rails. The...
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References

This document references:
NR/L3/TRK/055/U15 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic Testing of Rail Using a Roller Search Unit Rail Testing System Including Identification & Sizing of 37 deg Suspects Reported by the UTU
Published by NR on December 5, 2020
This procedure applies to all pearlitic rails in plain line Switches & Crossings (S&C), adjustment switches, welds and weld repairs, as far as coupling conditions allow. NOTE: Where coupling...
This document references:
NR/L2/RMVP/0172 ISSUE 3 - Management of the Control and Calibration of Inspection, Measuring and Test Equipment
Published by NR on June 5, 2021
This standard specifies processes to identify, register and calibrate all IMTE. It is applicable when new IMTE is brought into use and to IMTE already in use. It is also applicable to IMTE obtained...
This document references:
NR/L3/TRK/055/U1 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic Inspection of Fishplated Joints and Holes in Plane Line Using Hand Held Transducers
Published by NR on September 3, 2016
This procedure applies to all pearlitic rail ends applying both compression and shear wave scans. This procedure is capable of detecting the following defect types:- Horizontal defects Bolt hole...
This document references:
NR/L3/TRK/055/U10 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic Inspection of Adjustment Switches
Published by NR on September 3, 2016
This procedure details the manner in which adjustment switches are be tested to detect cracks growing from lipping on the running surface. It applies only to adjustment switches made from BS 11...
This document references:
NR/L3/TRK/055/U16 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic inspection of Fishplated Rail Joints and Bolt Holes Using the Sperry Roller Search Unit Rail Testing System
Published by NR on September 3, 2016
This procedure applies to the following: - all holes =15mm diameter in pearlitic rails in plain line and Switches & Crossings (S&C) (as far as coupling conditions allow) including switch rail, stock...
This document references:
NR/L3/TRK/055/U17 ISSUE 2 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic Testing of the Rail Foot for Transverse Cracks Under the Web Using a Roller Search Unit
Published by NR on December 3, 2022
This technique applies to the following: - all pearlitic rails in plain line, switches & crossings (S&C), Adjustment Switches and welds, as far as coupling conditions allow. This procedure is capable...
This document references:
NR/L3/TRK/055/U19 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic Inspection of Switches and Crossings Including Bolt Holes Not at the Rail End
Published by NR on September 3, 2016
This procedure specifies how and where to apply ultrasonic procedures U1, U5, U15 & U16 to all switches and crossings manufactured from pearlitic, bainitic or alloyed steel. Testing frequencies are...
This document references:
NR/L2/RMVP/0172 ISSUE 3 - Management of the Control and Calibration of Inspection, Measuring and Test Equipment
Published by NR on June 5, 2021
This standard specifies processes to identify, register and calibrate all IMTE. It is applicable when new IMTE is brought into use and to IMTE already in use. It is also applicable to IMTE obtained...
This document references:
NR/L3/TRK/055/U15 - Work Instructions for Ultrasonic Rail Testing: Ultrasonic Testing of Rail Using a Roller Search Unit Rail Testing System Including Identification & Sizing of 37 deg Suspects Reported by the UTU
Published by NR on December 5, 2020
This procedure applies to all pearlitic rails in plain line Switches & Crossings (S&C), adjustment switches, welds and weld repairs, as far as coupling conditions allow. NOTE: Where coupling...
This document is referenced by:
NR/L3/TRK/003 ISSUE 45 - Index of Track Engineering Forms
Published by NR on December 2, 2023
This Network Rail standard comprises a controlled list of TEFs, referenced to applicable standards. Each TEF forms a clause of this standard and is referenced as NR/L3/TRK/003/TEF3001 etc. The TEFs...
This document is referenced by:
NR/L2/TRK/1054 - Inspection, Maintenance and Repair Procedures for Cast, Welded and Fabricated Crossings in the Track
Published by NR on October 31, 2014
This standard is for the inspection and identification of defects and wear in cast austenitic manganese steel (AMS) and Bainitic steel crossings in running lines of Network Rail infrastructure. It...
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