Structural Gauge Envelopes - Public Transport Victoria

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VRIOGS 001 Revision B 9 f) The Track Centres of tracks running in parallel straight lines shall be separated by the following minimum Horizontal Clearances: i. If one or both tracks are utilised for interstate freight or for the transport of double-stacked containers: 4.5m ii. If both tracks are utilised only for passenger services or for freight services that are exempt from interstate/double-stacked freight requirements: 4.0m iii. For dual gauge track the horizontal clearance between track centres shall be measured from the track centre closest to the adjacent track. iv. Where standard signal structures are located between tracks the vertical clearances outlined in Figure 2, Envelope I shall be adhered to. Note these clearances are calculated from the outermost of any signal structure. v. Where overhead structures, lighting structures and/or signal gantries are located between tracks the vertical clearances outlined in Figure 2, Envelope H shall be adhered to. Note these clearances are calculated from the outermost of any structure or gantry. vi. The track Centreline spacing of tracks on curved tracks to allow for Cant and Centre and End throw, are nominated in Section 4.2 of this document vii. Where bridge piers are situated between tracks, the tracks centre line spacing shall be a minimum of 3.0m to the nearest face of the pier. For existing Infrastructure the horizontal clearances outlined in item f) may be unachievable. In these cases reference should be made to Section 5.1 Substandard Clearances. g) For any new Infrastructure be it a retaining wall, bridge pier or any other structure (excluding bridges where AS5100 or the relevant ARO standards shall apply), where the structure is longer than 20 metres and is within 3.7m of the track centre-line a ‘safe area’ shall be provided as part of the Infrastructure at 20 metre intervals to allow authorised staff to stand during the passage of a train. Where there are multiple tracks (2 or more) safe areas shall be provided on both sides of the tracks. Provision for a safe area is not required in the design of platforms. This ‘safe area’ dimensions shall be i. Height: 2000mm ii. Width: 1500mm iii. Depth: 700mm h) The minimum Vertical Clearance for a Grain Spout shall be 3.6m. The spout is to be aligned horizontally with the centre line of the track. i) Where track maintenance or renewal activities are carried out in locations subject to Substandard Clearances (Section 5.0), the maintainer shall conduct a post construction validation check on the clearances to ensure that they comply with this standard. NOTE: This document is controlled only when viewed on the VRIOG Engineering Standards website. Any other copy of this document is uncontrolled, and the content may be inaccurate.
VRIOGS 001 Revision B 10 j) Alterations to existing Infrastructure or to the existing track alignment shall not result in a reduction of the horizontal or vertical clearances in situations where the clearances do not met the minimum clearances set out in this document. Alterations shall be offset with an alteration in the new or existing Infrastructure or track alignment to ensure that the pre alteration clearances are maintained. k) Any Structure placed above or adjacent to overhead traction wires shall comply with the Electrical Safety (Installations) Regulations 2009. 4.2 Curved Track Curved tracks centre-lines require an extra horizontal clearance to the inside and outside of the curved track to allow for the effects caused by the cant elevation and the centre and end throw of rolling stock. Where track (current or future) are utilised for interstate freight and/or for double stacked containers freight, the structure gauge envelopes outlined in Figures 1 to 4 and the horizontal clearances outlined in Section 4.1 item f) shall be altered based on the following conditions of curve radius: a) ≤1300 metres or ≥300 metres: Add 700mm to the horizontal clearances on the inside of the curve and add 100mm to horizontal clearances on the outside of the curve. Note these figures are based on a 150mm and 0mm Cant to provide for clearances on the inside and outside rail on curved track respectively. b) ≤300 metres or ≥100 metres: Add 1100mm to the horizontal clearances on the inside of the curve and add 400mm to horizontal clearances on the outside of the curve. Note these figures are based on a 150mm and 0mm Cant to provide for clearances on the inside and outside rail on curved track respectively. Where track is utilised for passenger services and has no future requirement to be utilised for interstate freight and/or for double stacked containers, the structure gauge envelope outlined in Figures 1 to 4 and the horizontal clearances outlined in Section 4 item f) shall be altered based on the following conditions of curve radius: c) 1200m: Add 60mm to the horizontal clearance on the inside of the curve and add 30mm to the horizontal clearances on the outside of the curve d) 1100m: Add 90mm to the horizontal clearance on the inside of the curve and add 35mm to the horizontal clearance on the outside of the curve e) 1000m: Add 110mm to the horizontal clearance on the inside of the curve and add 40mm to the horizontal clearance on the outside of the curve f) 900m: Add 130mm to the horizontal clearance on the inside of the curve and add 45mm to the horizontal clearance on the outside of the curve g) 800m: Add 170mm to the horizontal clearance on the inside of the curve and add 50mm to the horizontal clearance on the outside of the curve h) 700m: Add 200mm to the horizontal clearance on the inside of the curve and add 55mm to the horizontal clearance on the outside of the curve i) 600m: Add 240mm to the horizontal clearance on the inside of the curve and add 65mm to the horizontal clearance on the outside of the curve j) 500m: Add 290mm to the horizontal clearance on the inside of the curve and add 80mm to the horizontal clearance on the outside of the curve k) 400m: Add 330mm to the horizontal clearance on the inside of the curve and add 100mm to the horizontal clearance on the outside of the curve NOTE: This document is controlled only when viewed on the VRIOG Engineering Standards website. Any other copy of this document is uncontrolled, and the content may be inaccurate.
Page 1 and 2: Victorian Rail Industry Operators G
Page 3 and 4: VRIOGS 001 Revision B iii PURPOSE O
Page 5 and 6: VRIOGS 001 Revision B v LIST OF FIG
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Page 9 and 10: VRIOGS 001 Revision B 4 Horizontal
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Page 21 and 22: VRIOGS 001 Revision B 16 ENVELOPE H
Page 23 and 24: VRIOGS 001 Revision B 18 SECTION 8.
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Page 31 and 32: VRIOGS 001 Revision B 26 SECTION 12

Structural Gauge Envelopes - Public Transport Victoria

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