Roy Hill Project – Flush Butt Yard Fremantle Constructions/John Holland

  • Client:
    Fremantle Constructions and John Holland
  • Location:
    Roy Hill’s Project
  • Project Type:
    Rail Infrastructure

Project Overview


Alliance Surveying was engaged to deliver surveying services for the Roy Hill Flush Butt Yard, delivered by Fremantle Constructions and John Holland. The yard formed a key component of Royn ore rail infrastructure, providing facilities for efficient rail assembly and maintenance.

Our licensed surveyors led a skilled team of field staff and technical personnel to provide accurate and efficient surveying support. With strict compliance and precision requirements, we ensured all deliverables met Roy Hill’s operational standards and supported the contractors’ construction schedule.


Key aspects of the project include:

Scope & Responsibilities

Our scope of work included:

  • Establishing survey control networks across the Flush Butt Yard.
  • Precision set-outs for rail assembly facilities, storage areas, and support structures.
  • Topographic and feature surveys to support design requirements.
  • As-built verification surveys to confirm construction tolerances.
  • Digital deliverables prepared for integration into Roy Hill’s project systems.

Challenges & Solutions

The project required surveying in a remote Pilbara environment, with logistical and operational challenges associated with large-scale rail construction. By working closely with Fremantle Constructions and John Holland, our team coordinated surveying activities to align with strict project timelines.

Our fast turnaround guarantee allowed survey deliverables to be supplied within 48 hours, keeping construction activities on schedule. Through fixed-price agreements, the client had complete cost certainty, while our ability to mobilise within 7 days ensured survey support was available from the start of works.

Project Gallery

Get in Touch

From urban grade separations to large-scale infrastructure works, Alliance Surveying provides accurate, reliable, and cost-effective surveying solutions across Western Australia.

Reach us at info@alliancesurveying.com.au or contact our team today to discuss your next rail or road project.

Frequently Asked Questions

 The yard was developed to support rail assembly and maintenance operations for Roy Hill’s iron ore rail network.

Fremantle Constructions and John Holland managed project delivery, with Alliance Surveying providing surveying services.

We delivered control networks, set-outs, topographic surveys, and as-built verification surveys.

Accurate surveying ensures rail assembly facilities and supporting infrastructure meet engineering tolerances and safety standards.

Survey outputs were delivered within 48 hours, enabling efficient construction progress.

 Yes, licensed surveyors led the work, supported by experienced field and technical staff.

Remote Pilbara conditions, logistics, and strict project deadlines required careful planning and efficient execution.

We worked under a fixed-price agreement, ensuring full transparency with no unexpected costs.

We supplied survey data, CAD files, and formatted outputs compatible with Roy Hill’s project systems.

Yes, we have extensive experience delivering surveying services for rail yards, lines, and associated mining infrastructure projects across WA.

Why Alliance Surveying?

Fast Turnaround:

All quotes are delivered within 2 days, guaranteed.

Swift Project Start:

Job commencement is guaranteed within 7 days of approval, so your project won’t face delays.

Transparent Pricing:

Our quotes are fixed; if unexpected costs arise, we cover the difference, ensuring no surprise charges.

Fully In-House Team:

We never outsource. Every step of your survey is handled by our own team of 30 experienced professionals.

Other Projects

  • HMAS Stirling Garden Island

  • Northlink Stage 2 Project

  • Mitchell Freeway Southbound Widening BMD – Main Roads Western Australia

  • Reid Highway Duplication Project Georgiou – Main Roads Western Australia

  • Northlink WA – Stage 3 Bridges Monford Group/CPB Contractors – Main Roads Western Australia

  • Karratha Tom Price Road – Stage 3

  • Elizabeth Quay Island Retaining Walls and Service Installation Fremantle Constructions and Leighton Broad

  • Northlink Stage 1 Project – Guildford Road to Benara Road

  • Great Northern Highway – Batty Bog to Walebing Brierty – Main Roads Western Australia

  • Airport Drive and T1 Forecourt Brierty

  • Kwinana Freeway Southbound Widening – Roe Highway to Armadale Road Lend Lease – Main Roads Western Australia

  • Lloyd Street Rail Corridor Grade Separation Project – Midland McConnell Dowell – Main Roads Western Australia

  • Onslow Water Tanks SRG Limited

  • Roy Hill Rail Project – Port Hedland to Roy Hill Mine Samsung C&T

  • Roy Hill Tailings Dam Facility Ertech

  • Great Northern Highway – Bindi Bindi ERTECH – Main Roads Western Australia

  • Marble Bar Road Re-Alignment – Roy Hill Mine ERTECH – Main Roads Western Australia

  • Rail Capacity Enhancement Rio Tinto

  • Great Northern Highway Realignment – Port Hedland John Holland – Main Roads Western Australia

Enquire here