VRIOGS 012.2.1 - Public Transport Victoria

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4 VRIOGS 012.2.1 REVISION A SECTION 3.0 SCOPE AND GENERAL 3.1 Scope This Standard mandates the accepted criteria that shall be employed when installing new, or making alterations on the Victorian Rail Network. For existing installations, the standard only applies to the altered part(s). The standard is not intended to be retrospectively applied to existing installations (but when a change is introduced, that change is required to comply with this standard). The purpose of this Standard is to provide the requirements for the Construction of the Signal and Communications cable route and Signalling civil type works. This Standard describes the minimum requirements for the following works: a) Construction of various types of cable routes b) Construction of under line and under road crossings. c) Construction of cable pits, jointing pits and cable turning chambers. d) Construction of foundations for signals and signal gantries e) Construction of foundations for Equipment Boxes f) Construction of access paths and associated works g) Construction of retaining walls, ladders and safety handrails h) Construction of fencing and gates for signalling works 3.2 Application This standard applies to all of the Victorian Rail Network encompassed by the State borders and shall be applied for the construction of cable routes and signalling civil works, as well as Telecommunications works in shared infrastructure such as trenches, ground level troughing, trunking and similar. This Standard shall be used in conjunction with VRIOGS 012.2 Signalling Supply, Construction and Installation. For Telecommunications Design and Construction works this specification shall be used in conjunction with VicTrack Communications Installation Specification TS-SP013 (latest version) and VRIOGS Telecommunications Standards and Specifications. 3.3 Background The following standards have been superseded by this standard with relation to the construction of cable routes and signalling civil works. List of documents superseded or utilised for the signalling and communications cable route and signalling civil type works areas; a) VRIOGS 012.2 Specification for Signalling Supply, Construction and Installation, and only sections where defining the construction of cable routes and signalling civil works. NOTE: This document is controlled only when viewed on the DOT Engineering Standards website. Any other copy of this document is uncontrolled, and the content may be inaccurate.
VRIOGS 012.2.1 REVISION A 5 SECTION 4.0 CABLE ROUTE REQUIREMENTS 4.1 General The setting out and the construction of the cable route shall be in accordance with the provisions of this Standard, and also those further Standards as identified within this Standard. a) The cable route shall, so far as possible, follow a constant grade and line. Rough and uneven ground shall be levelled to the extent necessary to achieve this object. Where a buried route is installed, only sufficient surface levelling to provide access shall be carried out. Levelling work shall not adversely affect railway or natural drainage, or pedestrian or vehicular access routes. b) The Constructor shall mark the location of all existing signalling and communication cables, drainage and all other underground services of other authorities in the area to be excavated. Installation shall be carried out in accordance with this specification, AS/NZS 3000 Wiring Rules and VicTrack Communications Cable Installation Specification TS-SP-013. c) Unless otherwise approved by the Infrastructure Manager; all signalling, communications and signalling power cables shall be installed in; either buried conduits or be direct buried, with ground level or above ground cable routes being the least preferred option. i ii iii Within the electrified Metropolitan Network area the Constructor shall install buried PVC conduits. Within the Country Regional Network areas the preference is for buried PVC conduits; with direct buried signal and power cabling as an option where cabling is to be installed for distances in excess of 1000 metres, and as agreed upon with the Infrastructure Manager. Communication cables shall have adequate separation from all electric cables in accordance with Australian Standard AS/ACIF S009 Installation requirements for customer cabling (Wiring Rules) d) When trenching alongside or across gas, water mains or service utility lines, the Constructor shall comply with any restrictions which may apply to the easement and liaise with the owners of that easement to establish mutually agreed methods of protection and support for the services. e) When trenching near existing VicTrack cable infrastructure the Constructor is to conform to the requirements of the VicTrack Network Protection Plan TS-SP015. f) The width of the trench shall be not less than 200 mm (chain or bucket excavation) or 300 mm (backhoe and other). g) The floor of the trench shall be level and free from all loose sharp objects; such as stones or rock of any type, or size, or rail ballast. h) Trenching, cabling laying and backfilling shall be carried out progressively and concurrently, so that trenches are open for an absolute minimum of time. i) The Constructor shall break and remove all rock and excess spoil from the site, and shall supply any such quantities of clean imported fill as is necessary to cater for areas where rock has been removed and backfill is required. j) Where interfering to existing pathway areas and similar; the Constructor shall maintain continuous access to all pathways, or provide alternate access to current VRIOGS standards. The Constructor shall also maintain existing lighting, or provide substitute lighting to the standard required by VRIOGS. k) A site construction plan shall be supplied by the Constructor and approved for use by the Infrastructure Manager or representative, and the VicTrack Network NOTE: This document is controlled only when viewed on the DOT 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
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VRIOGS 012.2.1 REVISION A 55 SECTIO
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VRIOGS 012.2.1 REVISION A 57 BURIED
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VRIOGS 012.2.1 REVISION A 59 BURIED
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VRIOGS 012.2.1 REVISION A 63 TYPICA
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VRIOGS 012.2.1 REVISION A 65 GST /
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VRIOGS 012.2.1 - Public Transport Victoria

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