Site: Miller Creek Miller Creek (Deepdale line)
Client: Rio Tinto
Service: Scaffolding
Capability: Operations / Shutdowns, Design
Industry: Mining and Resources
Scope of Work:
The scope of work involved the design, supply, and erection of a hang scaffold system on a Rio Tinto rail bridge located approximately 40km outside of Karratha. The scaffold was required to provide safe access for the replacement of bridge bearings.
The scaffold design included working platforms around each pier and at both abutments, connected by a continuous hang scaffold spanning the full length of the bridge. Access was established on one side only, with stairs leading to the hang scaffold from that side. Given the nature of the work, the scaffold was designed to support a working load limit of approximately 500kg per bay to accommodate the handling of bearings and jacks. Drawings, photographs, and background information for the job were provided to assist in planning and design.
Key activities completed include:
- Set up work area with drop zones, tape, and tags.
- Managed safety for passing trains and enforced PFD use over water.
- Installed beam sliders and inertia reels, measured pier locations.
- Built first bay from the ground and continued towards piers.
- Installed stair access and secured bays against uplift.
- Constructed pier bays, hop-out bays, and boxed bays.
- Extended scaffold from abutments to piers and bridged across.
- Packed up site, secured gear, and removed safety controls.
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