Balpara was engaged by the Rail Infrastructure Alliance to complete a review of proposed design clearances as part of the Sunbury train line upgrade. This was to ensure the Rail Overhead Line Equipment (OHLE) cables and structures achieved statutory clearances to the powerlines crossing the rail corridor at every location necessary for the extent of the train line in Jemena’s Network region.
Using power distribution survey and design techniques, Balpara verified the clearances at all Jemena overhead powerlines using electrical distribution industry design calculations and software. These checks ensured all clearances meet power utility standards for safety.
Project Overview
The $2.1 billion Sunbury Line Upgrade will see a combination of power upgrades and platform extensions to support High-Capacity Metro Trains travelling through the Metro Tunnel.
Project Scope
- Completing a full survey of existing power poles and conductors to allow for a comprehensive review.
- Surveying several consecutive spans of conductor for the design software/standards used in the power industry to be calculated correctly.
- Creating a full design and clearance report provided on the existing overhead powerlines verifying the clearances, including calculated height of the conductors over the existing rail tracks.
Value Add
We were able to verify that all clearances were met.
Relevant Accreditation/Quality Standards
- Balpara has held ISO9001 certification for over six years without non-conformances and attained re-certification to the new AS/NZS 2016 Standard. AusNet accredited surveying, design and drafting.
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