SRG Global is an engineering-led specialist construction, maintenance and mining services group built to solve the complex problems across the entire asset lifecycle
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Patea Rail Bridge Refurbishment Project

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  • Patea Rail Bridge Refurbishment Project
    Patea, South Taranaki, New Zealand

    The Patea Rail Bridge Project involved a full refurbishment of the steel structure to extend the life of the rail bridge. Specifically the project involved:

    The job brought a number of challenges to the project team, particularly around the management of the old lead-based coating system and the need to maintain full operability of the rail corridor.

    A complex access and containment system was engineered and built by SRG Global to fit around the bridge structure to contain the lead based paint, enable the rail corridor to remain operational and protect workers from train movements. Train clearance inside the containment structure was at an absolute minimum so it had to be built to withstand potential damage from contact with any loose chains or couplings on the trains.

    There were no unexpected delays or closures of the bridge and workers could safely continue work throughout the shift without disruption. A strict lead management procedure was also developed to ensure that employees received minimal exposure to the lead dust and it was not released to the Patea River below.

    The design and condition of the bridge structure meant that there were many corroded areas that were difficult to access. Significant time and a commitment to quality control was invested in ensuring that all areas of corrosion were fully removed before repainting commenced.