Delay Attribution Principles and Rules Is Issued to All Track Access Parties by the Delay Attribution Board
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OFFICIAL DELAY ATTRIBUTION PRINCIPLES AND RULES OFFICIAL DELAY ATTRIBUTION PRINCIPLES AND RULES . Issued by: The Secretary, Delay Attribution Board Floor One, Mimet House 5a Praed Street London W2 1NJ OFFICIAL Version Control Date Section Change Changes Applied All Sections Reformatted to Rule Book Style 01/06/2017 Foreword Updated in line with DAPR changes Section A Updated to reflect removal of ‘Guide’ and DAPR name change Section A New Section A7 added relating to DAB Process Guides Section B Amendment to Paragraph B7.4 relating to Queue of Trains Section E Rewrite of Section E3 TRUST Reporting Errors and Anomalies Section G Expansion of Section G3 relating to ETCS and ATO operations Section H Amendment to Paragraphs H1.2, H2.2 and H3.3 relating to assets 10/12/2017 Section K Addition of new Section K9 relating to stock swaps and revision to renumbered K10 flow diagram to incorporate TMS Section M Addition of new Section M3 covering activities relating to Service Recovery Section N Additions to Section N2 relating to stock swaps Section O Addition to Paragraph O1.1 covering asset failures and amendments with Section O4 Wires Down Section Q Reformatting of circumstance in Q4.1(b) Section S Update to descriptions for Delay Codes FI and TS plus introduction of Delay Codes JR, M2 and OF Section C Amendments to C2.3, C2.4, C2.5 and C2.6 in relation to ‘Externals’ Section E Amendment to E5.1 replacing OP with OU Section M Correction to M3.1(d) Delay Code TP; New flow diagram M3.2 covering Service Recovery elements; 01/04/2018 New Section M3.3 covering failed train recovery Section Q Section Q5.1 improvements and clarification for Severe Weather Section S Title and Description changes relating to ‘External’ Delay Codes Removal of Delay Code OP Section C Addition of new Section M3 covering Planned Incidents and P Coding Section E Replacement of Paragraph E1.1 relating to TRUST accuracy and PJ Code Section F Amendment to flow diagram and updated wording per Rule Book Section L Amendments to L1.4; L1.5 and L1.6 relating to PN, PG and PD Codes 16/09/2018 Section O Amendments to O2.4 relating to TSRs and P Codes and new Paragraph O2.5 relating to attribution where TSRs are allocated as part P Code Section P Amendment to P2.19(a) relating to PF Code and P2.19(m) terminology Section S Update to descriptions and abbreviations to certain J,O, P and X Delay Codes Introduction of new Delay Code OT and removal of Delay Codes PE and PZ Section E Amendment to E6.1 relating to the Special Train Section F Amendment to F1.6.1 relating to ‘planned mitigation commitments’ Section G References to ‘CSR’ and ‘NRN’ have been removed from G1.2 Section H Full rewrite undertaken to improve content, referencing and layout. Section J Amendment to J1.2 covering trains operated by the same operator under a different contract Section L New Paragraph L1.8 added covering trains running with no schedule in TRUST Section O Various changes relating to radio system terminology, removal of IZ and new JF Delay Code 01/04/2019 Section P Amendment to Line Block terminology in P2.19 Section Q Changes to Q1.6 and Q1.7 in relation to bird strikes. Amendments to Q5.4 relating to Key Route Strategy. New Section Q5.13 covering route proving / ghost trains and new Q5.14 covering cancellations with unknown cause. Section R ‘IVRS’ ‘CSR’ and ‘NRN’ entries have been removed from the No Fault Found in R3.5 Section S Various amendments including removal of Delay Code IZ and introduction of Delay Code JF 15/09/2019 Section A Reliability Event definition removed and added to Section B Section B Improvements and additions to the Definitions Section C Removal of paragraphs C1.6 and C1.7 relating to overcrowding Section G Update to G4.1 relating to GSM-R REC Section H Update to H3.3.1 relating to GSM-R REC Section K Addition of a Train Regulation Flow Diagram Section N Additions and amendments to Section N2 covering station overtime due to passenger volumes Section O Complete rewrite and reformatting Section Q Addition of circumstances covering train surfing in Q4.1 Section R Clarification in R1.3 relating to aviation related incidents and use of XO Section S Various amendments including removal of Delay Code XZ and introduction of Delay Code RX OFFICIAL Date Section Change Changes Applied 01/04/2020 Section C Updated table of Delay Code categories and Responsible Manager Codes Section D Addition of Recovered Lateness principles and examples Section E Clarification of new Prime Cause during TRUST failures or loss of access Section F Removal of references to Delay Code FT (removed from Section S) Section K Removal of reference to Delay Code FP Section O Clarification of the use of P Codes in relation to TSR delays. Consistent terms for OHLE and 3rd Rail Section R Note added to No Fault Found equipment table Section S Various Delay Code amendments including removal of FN, FP, FT and MF and addition of FF 20/09/2020 Section G Addition of Selective Door and Power Changeover Balise Section M Addition of a ‘Following Day’ flow diagram Section N Completely re-formatted Section R Further clarification of interface No Fault Found principles 01/04/20201 Foreword Amended wording to clarify the Board’s remit as the overseer of the Delay Attribution process Good Practice Amended wording to clarify good practice in the context of dispute resolution, with reference to Statement the associated Guidance Document PGD 4 Section A A2.4 rewritten to update terminology relating to Network Rail when DAPR principles are applied on non-Network Rail infrastructure networks. Section B New Section B6.17.G and other wording updates covering asset failures involving multiple Routes or Areas. Section C Change to criteria required to use External codes in connection with weather events New Section C1.5 covering delays caused by a train that did not itself incur delay. Section D Clarification of the term “Fail To Stop” Section E Reference added to Process Guide PGD19 as the document related to the capture of TRUST data Section G Clarified wording in Section 44.1(a) scenarios table relating to Railway Emergency Calls. Also, explanatory note added on how TPWS alerts are triggered. Section J Removal of reference to outdated code YG in J1.1. Also, explanatory note added defining “train crew” Section K Clarification on use of code QA in connection with simplifier errors. Section L Non-material reformatting for clarity Minor rewording of L1.4 and new section L1.4.1 covering use of code PN Section M New Section M4 provides attribution scenarios covering diversionary routes Non-material reformatting for clarity Section O Clarification on asset failure or damage caused by rolling stock. Reference to PGD17 added in connection with this. Section P Clarification on single line working/diversions Section Q Reference added to PGDs 6 and 13 in relation to External delay causes. Change to criteria required to use External codes in connection with weather events Additional guidance on the definition of “blanket speed restrictions” and codes to be used when they are applied. Section R Reference added to PGDs 3 and 7 in relation to safety issues Section S Removal of Codes JG, OZ, QT, XD, XF, XH and XV Addition of new codes OR and YV (with associated descriptions) Amendment to descriptions of codes JX, OD,, XK, XM and XN to account for scenarios previously covered by removed codes. Note: Sections not mentioned in the Version Control above remain unchanged in the latest issue. OFFICIAL Foreword This document, setting out the Delay Attribution Principles and Rules is issued to all Track Access Parties by the Delay Attribution Board. The Delay Attribution Board is an Industry body remitted to provide guidance and assurance to the Industry on delay attribution issues. The purpose of the Board (as defined by the Network Code paragraph B6.1) is to ‘Lead, Advise and Monitor the effectiveness and accuracy of the delay attribution process and use of the Delay Attribution Principles and Rules and the Performance Data Accuracy Code’. In this context the Board will: • Oversee that delay attribution is undertaken in an unbiased and transparent manner; • Oversee that appropriate training and competency assessment is available to everyone involved in the process of delay attribution; • Propose changes to the Delay Attribution Principles and Rules and Performance Data Accuracy Code to improve clarity, understanding and application; • Make recommendations for changes to the delay attribution processes to improve its efficiency and effectiveness and oversee the delivery of such changes. This document is updated by the issuing of amended Sections as inserts incorporating Proposals for Amendment that have been agreed pursuant to the process set out in Conditions B2.5 to B2.7 of the Network Code since the issue of the previous document. Consequently, those re-issued Sections supersede those previously published. Proposals for Amendment made since the issue of the previous issue are recorded in the Version Control on the re-issued front page and are supported by a briefing of the changes. Delay Attribution Principles and Rules April 2021 Foreword OFFICIAL Delay Attribution Statement of Good Practice This Statement of Good Practice is issued by the Delay Attribution Board to parties involved in the Delay Attribution Process. It has been developed in consultation with all Industry Parties and the Board considers it has full industry support. While this Statement of Good Practice is not intended to create contractual rights or obligations the Board expect Industry Parties to have due regard to this Statement when participating in the Delay Attribution Process.