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This specification applies to all Railway Ballast for use in Network Rail controlled infrastructure except for ballast directly returned to the track by a ballast cleaning machine. This specification also applies to aggregates used in conjunction with a stoneblowing...
Introduction This Track Work Instruction covers how to plan ballast regulating by machine. This includes on ballast regulators and road/rail vehicles fitted with equipment attached to their jibs. The use of this type of equipment is a valuable resource that eliminates the use...
The railway track network plays an essential role in the transportation infrastructure worldwide. A ballasted railroad is commonly used for several reasons, including economic, rapid drainage and ease of maintenance. Given the increasing demand for trains to carry heavier loads, current...
Introduction This Track Work Instruction covers how to decide on the minimum depth of ballast in situations where it is not possible to achieve full depth to Network Rail Company Specifications. See also separate instructions: TWI 3B003 How to understand blanket design TWI 3B010 How...
Introduction Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. Purpose. To subject test vehicles to passenger and cargo loading representative of customer...
This standard provides a methodology for applying existing test methods for program start ballasts to fluorescent dimming ballasts and provides a way to calculate BLE for fluorescent dimming ballasts. NEMA offers this standard to augment and harmonize with the 2014 Department...
Introduction This Track Work Instruction covers the gluing of ballast, sometimes referred to as 'ballast bonding'. Ballast gluing is a technique used to increase the stability of the track at locations where any lateral movement is particularly undesirable. The technique can...
Includes: Regulating ballast using OTMs, RRVs Excludes: Regulating ballast by hand
Includes: Regulating ballast by hand Excludes: Regulating ballast using OTMs, RRVs
Includes: Removal of ballast shoulder contaminated with oil, effluent and fines. Excludes: Ballast contaminated with hazardous chemicals or asbestos
Introduction This Track Work Instruction covers how to prepare the track for the Ballast regulator. It outlines those features that must be attended to so that the regulator can be used to its full potential and without causing damage. See also separate instructions: TWI 2B004 How to...
This European Standard specifies the properties of aggregates obtained by processing natural, manufactured or recycled crushed unbound aggregates for use in construction of the upper layer of railway track. For the purposes of this standard, the aggregate is referred to as railway ballast. A...
Includes: Auto-ballasters, Hoppers Excludes: RRVs
Introduction This Track Work Instruction covers the ordering of track ballast for lifting purposes
This CP gives a description of the procedures and requirements related to documentation, design and type testing applicable for TA of Ballast water management systems (BWMS). This CP does not set the design requirements to the Ballast water management systems. TA is based on...
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...
