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BS EN 13231-1:2023

BS EN 13231-1:2023

$215.11

Railway applications. Infrastructure. Acceptance of works – Works on ballasted track. Plain line, switches and crossings

Published By Publication Date Number of Pages
BSI 2023 94
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This document specifies technical requirements and tolerances for the acceptance of works on ballasted track situated on: – plain line; – switches and crossings; and – rail expansion devices as part of the track for 1 435 mm and wider track gauge railways. The works on ballasted track, hereafter referred to as track works, concern construction of new track, track renewal and track maintenance. This document specifies the requirements for substructure works, track geometry, absolute track position, working parameters of on track machines, track components, ballast cross section, structure gauge, stressing works, specific measurements and quality checks for switches and crossings and rail expansion devices, and for the measuring systems used to perform measurements, verifications and checks for the scope of acceptance. Requirements for responsibilities and documentation necessary for the acceptance of track works are specified. This document also requires compliance of all track materials with the customer’s relevant acceptance criteria and specifications provided by the supplier. This document does not cover works related to reprofiling the railhead or the associated measurements, except for some measurements related to safety, as these works are covered by other parts of EN 13231 series. Platform reconstruction works and level crossing works are not covered by this document. This document does not apply to urban rail systems or ballastless track.

PDF Catalog

PDF Pages PDF Title
2 undefined
11 1 Scope
2 Normative references
12 3 Terms and definitions
16 4 Acceptance of track works
4.1 General
4.2 Acceptance process
17 4.3 Acceptance procedure
4.3.1 Deadlines
4.3.2 Responsibilities
4.3.3 Preliminary procedure to the acceptance
4.3.4 Results of the acceptance process
18 4.3.5 Warranty
5 Acceptance of plain line, switches and crossings and rail expansion devices – new track and renewal
5.1 General
19 5.2 Substructure works
21 5.3 Track geometry quality
23 5.4 Absolute track position
5.5 Working parameters of on track machines (OTMs)
5.5.1 General
5.5.2 Tamping
5.5.2.1 General
5.5.2.2 Lift and shift of track
24 5.5.2.3 Penetration depth of tamping tools
5.5.2.4 Squeezing time of tamping tools
25 5.5.2.5 Quality control factors of tamping works
5.5.2.6 Measuring systems – Documentation of functional test and calibration
5.5.3 Ballast compaction and stabilization works
5.5.3.1 General
5.5.3.2 Working parameters
5.5.3.3 Acceptance measurements
26 5.5.4 Ballast replacement/cleaning works
5.5.4.1 General
5.5.4.2 Degree of fouling
5.5.4.3 Flatness and crossfall
5.5.4.4 Excavation depth and width
27 5.5.4.5 Lateral track guidance
5.6 Track components
5.6.1 General
5.6.2 Rails
5.6.3 Welds
5.6.4 Mechanical rail joints
5.6.5 Insulated rail joints
28 5.6.6 Rail fastening systems
29 5.6.7 Sleepers and bearers
5.6.8 Sleeper spacing
5.6.9 Bearer spacing
5.6.10 Out of squareness of sleepers and bearers
30 5.6.11 Voiding of sleepers and bearers
5.6.12 Rail anchor
5.6.13 Sleeper anchor
5.6.14 Ballast
5.6.14.1 New ballast
31 5.6.14.2 Re-used ballast
5.6.15 Under ballast mat
5.6.16 Substructure material
5.7 Ballast cross section
32 5.8 Structure gauge
5.9 Neutralization works
5.9.1 General
33 5.9.2 Specification of the stress-free temperature
5.9.3 Neutralization of rails
5.10 Measurements and quality checks for switches and crossings and rail expansion devices
5.10.1 General
34 5.10.2 Verification of positioning of rail parts for switches and crossings and rail expansion devices
40 5.10.3 Verification of functional and safety dimensions for switches and crossings and rail expansion devices
51 5.10.4 Verification of gaps for switches and crossings and rail expansion devices
54 5.10.5 Quality checks for switches and crossings and rail expansion devices
5.10.6 Verification of safety and functionality of switches and crossings with moveable parts
55 6 Acceptance of plain line, switches and crossings and rail expansion devices – Maintenance
6.1 General
6.2 Machine tamping – maintenance measure
6.2.1 General
6.2.2 Preliminary works
56 6.2.3 Track geometry quality
58 6.2.4 Absolute track position
6.2.5 Working parameters of on track machines (OTM)
6.2.6 Track components
6.2.7 Ballast cross section
6.2.8 Structure gauge
6.2.9 Measurements and quality verifications for switches and crossings and rail expansion devices
6.3 Ballast cleaning – maintenance measure
6.3.1 General
6.3.2 Preliminary works
6.3.3 Ballast replacement and cleaning works
59 6.4 Hand tamping and manual geometry correction – maintenance measure
6.5 Replacement of track components (fastener and sleeper) – maintenance measure
6.6 (Local) Spot ballast replacement – maintenance measure
6.7 Neutralization works – maintenance measure
6.8 Works in switches and crossings and rail expansion devices – maintenance measure
6.8.1 General
6.8.2 Verification of functional and safety dimensions for switches and crossings and rail expansion devices
61 6.8.3 Verification of gaps for switches and crossings and rail expansion devices
64 6.8.4 Quality checks for switches and crossings and rail expansion devices

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BS EN 13231-1:2023
$215.11