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It includes guidance for completing the Standards Challenge application, details the Network Rail standards numbering systems and compliance dates, and outlines referenced standards and portal access. 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Contacts  \nSearch Support Contacts  \nPlease note that it will help save time if you have available your System Number and Company Name.  \nIHS Customer Care  \nFor search queries and all other enquiries  \nPhone: 01344 328300 or email [customer.support@ihsmarkit.com](customer.support@ihsmarkit.com)  \nOther Information  \nNetwork Rail Standards Subscriptions  \nIHS Markit Ltd  \nPhone: 01344 328000  \nNetwork Rail Standards & Controls Publications Manager  \nNeil Whitaker  \nPhone: 01908 782564  \nNetwork Rail Standards Hard Copy Document Centre  \nIHS Retail  \nPhone: 01344 328039  \nFax: 01344 328005 or email: [emeastore@ihsmarkit.com](emeastore@ihsmarkit.com)  \nRailway Group Standards  \nRail Safety & Standards Board Enquiry Desk Phone: 020 3142 [5400 Website www.rssb.co.uk](5400 Website www.rssb.co.uk)  \nNetwork Rail Technical Drawings  \nNational Records Group  \nEmail: [nrgcivils@networkrail.co.uk](nrgcivils@networkrail.co.uk)  \nTable of Contents  \ni. Contacts .......................................................................................... 1  \nii. Guidance tor Completing the Standards Challenge Application Form ........................................... 6  \niii. Standards Challenge-Application Form ................................................................. 8  \n1. Guide to Network Rail Standards and Catalogue ......................................................... 11  \n1.1 Quick Find – Using the Index ................................................................... 11  \n1.2 Network Rail Standards ....................................................................... 11  \n1.3 Network Rail Standards Framework ............................................................. 11  \n1.4 Types of Network Rail Standards ................................................................ 11  \n1.5 Other documents associated with Network Rail Standards ............................................ 12  \n1.6 The Current NR Numbering Systems ............................................................ 12  \n1.7 Compliance Date ............................................................................ 14  \n1.8 National Technical Specification Notices (NSTNs) ................................................... 14  \n1.9 Railway Group Standards ..................................................................... 14  \n1.10 Referenced Documents ....................................................................... 14  \n1.11 Ordering Standards, Delivery & Prices ............................................................ 15  \n1.12 The Network Rail Standards Portal ............................................................... 15  \n2. Changes in this Issue .............................................................................. 17  \n2.1 New and Up-Issued Standards ................................................................. 17  \n2.3 Emergency Changes (Previously Known As Letters of Instruction) ...................................... 19  \n3. Network Rail Catalogues ............................................................................ 22  \n3.1 Network Rail Catalogues....................................................................... 22  \n4. Listing of Network Rail Standards ..................................................................... 24  \n4.1 ASSET INFORMATION ....................................................................... 24  \nLevel 1..................................................................................... 24  \nLevel 2 ................................................","cbCaitfUxVP1ByGO","https://ap.wps.com/l/cbCaitfUxVP1ByGO","pdf",1850734,220,"English","# Contacts\n## Search support contacts\n## Other information\n# Guidance for completing the Standards Challenge application form\n# Standards Challenge application form\n# Guide to Network Rail Standards and Catalogue\n## Quick find - using the index\n## Network Rail standards framework\n## Types of Network Rail standards\n## Compliance date\n## National technical specification notices (NSTNs)\n## Railway group standards\n## Referenced documents\n## Ordering standards, delivery & prices\n## The Network Rail standards portal\n# Changes in this issue\n## New and up-issued standards\n## Emergency changes\n# Network Rail catalogues\n## Network Rail catalogues\n# Listing of Network Rail standards\n## Asset information\n## Civil engineering\n## Commercial property\n## Company standards group\n## Competence & training management","[{\"question\":\"What is included in issue 123 of the Network Rail Standards catalogue?\",\"answer\":\"Issue 123 provides guidance on navigating the catalogue, completing the Standards Challenge application, and a structured listing of standards and related documents across multiple categories.\"},{\"question\":\"How can readers find and use Network Rail standards within the catalogue?\",\"answer\":\"The guide describes the quick-find index, the standards framework and numbering systems, and access via the Network Rail standards portal to locate relevant requirements.\"},{\"question\":\"What kinds of updates are recorded for this issue?\",\"answer\":\"The changes section summarizes new and up-issued standards and also covers emergency changes previously known as letters of instruction.\"}]","Catalogue of Network Rail Standards - Issue 123 - 05 March-03 June 2022 | PDF",554]