N Scale Standards

Standard Drawings Purpose Provides lists of Drawings, Engineering Assurance Forms, Technical User Manuals and Selection Guides

This work instruction covers S&C refurbishment as defined in clause 6 of this document. It applies in all circumstances where S&C refurbishment is carried out on Network Rail infrastructure. It applies to all Network Rail and contracting staff that create problem statements, scope, specify, deliver...

This document applies to all enhancement, renewals or heavy refurbishment works where the specified work disturbs the track bed layers, formation and/or re-ballasting is specified. Purpose This document sets out the requirements and process for measuring and recording hidden works including the...

The Design Guidance for Public Toilets in Stations is intended to promote a common design approach based on the principle of 'putting passengers first' across the Stations portfolio. Network Rail is in the process of updating several of its design guidance documents. As part of this, design...

This module covers the design requirements for the production of signalling scheme plans, covering what should be included within the plan, and supporting documents/requirements together with the responsibilities of the CEM when the scheme plan is submitted for approval. Purpose This module details...

This manual covers all mineral extraction risks to the safe and sustainable operation of the railway. This standard applies to the: a) proactive management of mineral extraction risks to existing infrastructure assets. b) design and construction of new infrastructure (including renewal and...

This module of NR/L2/TRK/001 is applied where the track has been disturbed or a deficiency exists, which affects the Critical Rail Temperature. This might be as result of: a) deterioration in the track system; b) maintenance work, heavy maintenance or refurbishment works c) renewals or enhancements...

This manual contains the key principles for the management and enhancement of biodiversity. It applies to the construction of new assets as well as the inspection and maintenance of existing assets. This manual applies to Network Rail and its contractors involved in these activities, and other...

The work instructions cover all types of OLE construction and the following types of activity: • Installation/construction • Inspection • Preventative and corrective maintenance • Reconstruction following a dewirement They apply to maintenance teams and construction teams whether internal or...

This standard applies to the following key areas: a) key engineering roles including accountabilities and responsibilities; b) relationship and links to key standards and legislation; c) engineering interface management arrangements; d) appointment processes for key engineering roles; e)...