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Printable Version Standard Respecting Railway Clearance is available in PDF format (file size 461kb) which will download in approximately 2 minutes and 11 seconds on a 28.8 connection and may be viewed using Acrobat Reader (version 3.0 or higher). Note: Portable Document Format (PDF) formats may be viewed using version 3.0 or higher of the Adobe® Acrobat Reader. This reader may be downloaded free of charge by visiting the Adobe® web site. Contents
1. Application of Standard1.1 This Standard shall apply on all tracks owned or operated on by a railway company. 2. Interpretation2.1 In this Standard: “Chief Engineer” means a person occupying the position of Chief Engineer, or in companies not having a Chief Engineer the senior official designated for this purpose. 3. Standard ClearancesSubject to section 4: 3.1
4. Less than Standard Clearances4.1 All existing structures, bridges, snowsheds, overhead timber bridges and tunnels which met previous clearance requirements, but encroach within the clearance limits prescribed herein, shall not be considered as having less than standard clearances and shall be permitted to remain until the restrictive feature is modified or replaced. 4.2 Clearances not meeting the requirements of section 3 above, are permitted in the following circumstances:
4.3
4.4 At locations described in subsection 4.2 paragraphs (b) and (c) and where the Chief Engineer has approved a less than standard clearance pursuant to sections 3.1 and 4.3, a less than standard clearance sign, as shown in Appendix “A”, shall be erected and maintained adjacent to the track on which the restriction is located and at an adequate distance from the restriction. Where physical impediments preclude the erection of such a sign, the less than standard clearance will be identified in special instructions. 4.5 Requests for approval of less than standard clearances shall be submitted to the Chief Engineer and shall include the following information:
4.6 Employees must not ride the side or above the roof of a moving engine or car when passing side and/or overhead restrictions. 5. Track Centres5.1 Subject to subsection 5.2, all trackage built or rearranged after the coming into force of this Standard shall, comply with the minimum distances between track centre lines with due allowance for superelevation and curvature and shall be as follows:
5.2
5.3 The minimum distance between track centre lines shall be increased to account for curvature and superelevation as follows:
6. Siding Agreements6.1 Siding agreements shall contain a clause setting out the requirements of this Standard. 7. Wires and Conductors7.1 Canadian Standards Association Standard C22.3 shall be used for minimum clearances. 8. Notifying the Minister of Transport8.1 The Minister of Transport will be notified, in writing, of:
Diagram 1: All Structures Over or Beside the Railway Tracks Diagram 2: All Railway Bridges, Snowsheds and Overhead Timber Bridges Diagram 3: All Railway Tunnels Diagram 4: Industrial Sidings Appendix A: Standard Restricted Clearance Sign- Possible Methods of Erecting Sign
- Elevation of Sign
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