Machine Guarding for Ship Loaders, Stackers & Reclaimers in Bulk Materials Handling

Machine Guarding for Ship Loaders, Stackers & Reclaimers | Bulk Materials Safety

Why guarding matters on large bulk material machines

Ship loaders, stackers and reclaimers combine elements of mobile plant, fixed plant and continuous conveying systems. Their scale, movement and operating envelopes introduce hazards that cannot be managed with ad-hoc or legacy guarding.

Most guarding failures are not caused by a single missing guard, but by brownfield modifications, undocumented changes, and loss of original design intent. This makes engineering-led guarding essential for safety, compliance and uptime.


Australian Standards framework for guarding

AS 4024 โ€“ Safety of Machinery

The AS 4024 series provides the primary principles for machine guarding, including hazard identification, risk assessment, guarding selection, and safe distances. For bulk materials handling equipment, it must be applied in context rather than as a checklist.

AS 1755 โ€“ Conveyors: Safety requirements

AS 1755 governs conveyor-specific hazards common to ship loaders, stackers and reclaimers, including:

  • Nip points and pulleys
  • Transfer and chute interfaces
  • Emergency stop systems
  • Access for inspection and maintenance

Most real-world non-conformances occur at head/tail pulleys, transitions, take-ups and return belts beneath walkways.

AS 1657 โ€“ Fixed access systems

Guarding must coexist with compliant access. AS 1657 covers walkways, stairs, ladders, handrails and edge protection. Poor integration often leads to guards being removed to regain access โ€” undermining safety intent.

AS 4324.1 โ€“ Mobile bulk materials handling equipment

AS 4324.1 recognises ship loaders, stackers and reclaimers as integrated machines, where guarding, access, structure and maintainability must be considered together.


Guarding challenges unique to ship loaders & reclaimers

Scale and movement
These machines include slew, luff and travel motions, requiring guarding to remain effective across all operating positions.

Brownfield evolution
Temporary or reactive guarding solutions often become permanent without verification against standards.

Shutdown constraints
Guarding changes made under shutdown pressure frequently prioritise constructability over defensible engineering.


Engineering-led guarding approach

Effective guarding is based on:

  • Engineering-grade spatial understanding of reach, envelopes and access paths
  • Risk-based selection of fixed, interlocked or removable guarding in line with AS 4024
  • Integration with maintenance and operations, avoiding unsafe workarounds

On large machines, guarding that cannot be safely removed, reinstated or inspected will not survive long-term operation.


Common high-risk interfaces

Guarding assessment typically focuses on:

  • Conveyor head, tail and bend pulleys
  • Transfer points and chutes
  • Slew, luff and drive mechanisms
  • Gearboxes, brakes and take-ups
  • Return belt zones beneath accessways

Each interface must be checked against AS 4024, AS 1755, AS 1657 and AS 4324.1 as a combined framework.


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Building toward a bulk materials handling safety framework

This post forms part of a broader technical narrative around safe, maintainable bulk materials handling systems.
Future companion topics may include:

  • Conveyor transfer point guarding
  • Brownfield guarding upgrades during life-extension works
  • Balancing guarding and access on reclaimers
  • Using validated 3D data to de-risk shutdown modifications

Together, these posts naturally support a future Bulk Materials Handling / Stacker & Reclaimer Engineering landing page without forcing a sales message.


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Key takeaway

On ship loaders, stackers and reclaimers, guarding must be engineered, spatially validated and operationally practical. When aligned with Australian Standards, guarding becomes an enabler of safe production โ€” not a liability.

Discuss machine safety and guarding for bulk materials handling equipment

If you are reviewing or upgrading ship loaders, stackers, reclaimers or conveyor systems, early engineering input can reduce safety risk, rework and shutdown pressure.

For discussions relating to:

  • Machine guarding and conveyor safety
  • Brownfield compliance with Australian Standards
  • Engineering-led reviews for bulk materials handling equipment

Please connect with us by filling out the form below.

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3D Scanning for Industrial Projects in Newcastle and the Hunter Valley

Engineering the Hunter: Precision Meets Industry

Few regions in Australia represent heavy industry quite like Newcastle and the Hunter Valley.
From the coal mines at Bengalla and Mount Thorley, to the power stations at Bayswater and Eraring, to the Port of Newcastleโ€™s massive shiploaders and conveyors, this region has powered Australia for generations.

But with age, complexity, and constant upgrades come challenges:

  • Outdated drawings
  • Tight shutdown schedules
  • Complex brownfield modifications
  • Difficult site access

Thatโ€™s where 3D scanning and LiDAR modelling are transforming how industrial projects are designed, verified, and delivered โ€” ensuring every bolt, beam, and bracket fits perfectly the first time.

At Hamilton By Design, we bring together field experience, digital precision, and local knowledge to help the Hunterโ€™s industries design, maintain, and modernise with confidence.


Technician operating a FARO 3D laser scanner inside an industrial plant to capture accurate geometry for brownfield upgrades, shown alongside Hamilton By Design and 3DEXPERIENCE logos with highlighted challenges such as outdated drawings and tight shutdown schedules

What Is 3D Scanning โ€” and Why It Matters in Industry

3D laser scanning, also known as LiDAR (Light Detection and Ranging), captures millions of data points across an industrial site to create a precise digital representation โ€” known as a point cloud.

This point cloud forms the foundation of a digital twin of your plant or asset โ€” an exact, measurable 3D environment that engineers can design within using SolidWorks, AutoCAD, or Navisworks.

The result?
Every measurement is accurate, every clash is detected before fabrication, and every installation happens exactly as planned.


Why Newcastle and the Hunter Valley Need Scanning More Than Ever

The Hunter is an engineering powerhouse โ€” but much of its infrastructure was built decades ago.
Many coal handling plants, power stations, and smelters are now in a constant cycle of refurbishment, retrofit, and compliance upgrade.

The challenges are familiar:

  • Old 2D drawings donโ€™t reflect todayโ€™s reality.
  • Assets have been modified repeatedly over decades.
  • Shutdown windows are shrinking.
  • Every error adds cost and delays production.

By scanning before you design, you remove uncertainty.
You donโ€™t guess clearances โ€” you know them.
You donโ€™t estimate tie-in points โ€” you model them.
You donโ€™t hope it fits โ€” you prove it digitally.

Thatโ€™s the power of 3D scanning in todayโ€™s industrial environment.


FARO 3D laser scanner set up on a tripod capturing an industrial plant for LiDAR scanning and digital modelling, with Hamilton By Design branding in the corner

Where Scanning Adds Value Across the Hunterโ€™s Industries

โš™๏ธ Power Generation

The Bayswater, Eraring, and Vales Point Power Stations are engineering icons.
Upgrades to cooling systems, ducts, platforms, and access structures require millimetre accuracy.
3D scanning ensures:

  • Every retrofit aligns with existing steelwork and pipework.
  • Structural interferences are caught before fabrication.
  • Shutdown work can be completed on time โ€” without rework.

Whether itโ€™s a fan casing replacement or a duct reroute, laser scanning removes the guesswork from aging assets.


โ›๏ธ Coal Handling and CHPP Facilities

The Hunter Valleyโ€™s CHPP network โ€” Mount Thorley Warkworth, Ravensworth, Bengalla, Hunter Valley Operations โ€” all depend on reliable mechanical systems.
These plants evolve continuously: diverter chutes, screen replacements, conveyors, and wash plant modifications.

Scanning delivers:

  • Accurate as-built geometry for plant upgrades.
  • Clash detection between new and existing equipment.
  • Shutdown planning certainty โ€” no unexpected fit-up issues.
  • Integration of SolidWorks models directly into point clouds for visual verification.

For CHPP managers and maintenance engineers, 3D scanning is now as essential as the plant itself.

Composite image showing an Australian Standard compliance graphic, a LiDAR point-cloud scan of a coal reclaimer with inspection markers, and the Hamilton By Design logo

โš“ Port of Newcastle and Coal Export Terminals

Newcastleโ€™s port is the lifeline of the Hunterโ€™s economy.
Facilities such as Port Waratah Coal Services (PWCS), Newcastle Coal Infrastructure Group (NCIG), and Carrington Terminal handle massive volumes of coal every hour.

The complexity of these sites โ€” shiploaders, conveyors, gantries, and stacker-reclaimers โ€” demands accuracy during maintenance and upgrade works.
3D scanning supports:

  • Shiploader upgrades and boom extensions.
  • Conveyor and transfer tower alignment checks.
  • Wharf structure condition monitoring.
  • Integration with mechanical and electrical systems.

By scanning before modification, downtime is reduced, safety improves, and project teams gain total confidence in every fit-up.


๐Ÿญ Aluminium and Heavy Manufacturing

At Tomago Aluminium Smelter, precision is everything.
The scale of the site โ€” from potlines to switchyards โ€” makes manual measurement impractical and unsafe.

Laser scanning captures geometry accurately across large areas, enabling:

  • Retrofit planning without full shutdowns.
  • Clearance checks for cranes, ducts, and potline infrastructure.
  • Digital twins for long-term maintenance and asset management.

Beyond Tomago, manufacturers in Waratah, Beresfield, and Thornton use scanning to validate jigs, fixtures, and workshop layouts โ€” ensuring local fabrication accuracy that matches site requirements.


๐Ÿ”‹ Emerging Energy and Infrastructure

As the Hunter region transitions toward renewable and low-emission industries, scanning plays a critical role in planning new infrastructure around existing sites.
This includes:

  • Hydrogen and gas pipeline tie-ins.
  • Solar and battery installations near existing grid connections.
  • Conversion of existing power plant structures for new technology.

Accurate point-cloud data ensures new energy meets old infrastructure safely and efficiently.


From Field to Fabrication: The Hamilton By Design Process

At Hamilton By Design, our 3D scanning workflow is built around practical, industrial needs:

  1. Site Scan & Data Capture
    Using high-precision LiDAR scanners, we safely capture full site geometry in hours, not weeks.
    Scans are performed during operation or short shutdowns, without interrupting production.
  2. Point Cloud Registration & Processing
    Multiple scans are aligned to create a unified, accurate model of your facility.
    The result is a true โ€œdigital twinโ€ of your asset, complete with millimetre accuracy.
  3. SolidWorks Modelling & Integration
    Our design team converts scan data into fully functional 3D models โ€” chutes, pipework, platforms, or structural frames โ€” ready for fabrication.
  4. Clash Detection & Design Validation
    Every new design is tested within the digital twin, ensuring it fits the first time.
  5. Fabrication Drawings & e-Drawings
    Detailed 2D and 3D deliverables are provided for fabricators, site crews, and certifiers โ€” ensuring seamless communication between design and construction.

Why Local Expertise Matters

Many engineering firms offer scanning โ€” but few understand what it takes to work on a live plant in the Hunter Valley.

Hamilton By Design combines trade experience, mechanical design, and regional understanding.
Weโ€™ve worked with the same assets, fabricators, and contractors who keep the regionโ€™s power, port, and manufacturing industries running.

We design for real fabrication conditions โ€” using Australian Standards, local materials, and practical build methods.
That means fewer redesigns, faster turnarounds, and safer installations.


Safety and Access: Scanning Without Shutdowns

Traditional site measurement often means working at heights, in confined spaces, or around operating equipment.
3D scanning eliminates those risks.

Our scanners capture data safely from the ground โ€” even in restricted or hazardous areas.
This not only improves safety but also allows projects to continue without halting production.

For large plants like Eraring or PWCS, scanning entire structures during live operation is now standard practice โ€” enabling ongoing maintenance and long-term asset integrity planning.


Case Example: Port Upgrade Without Rework

A local contractor approached Hamilton By Design for a conveyor and tower modification project at the Port of Newcastle.
Existing drawings were decades old, and the structure had been modified repeatedly.

We performed a 3D scan of the tower and adjacent conveyors, capturing the as-built geometry in one day.
The resulting model revealed several misalignments between the planned chute and existing supports.
By correcting these in SolidWorks before fabrication, the contractor avoided at least 48 hours of site rework and kept the shutdown on schedule.

Thatโ€™s measurable ROI โ€” precision that pays for itself.


The ROI of 3D Scanning in Heavy Industry

A single hour of lost production at a CHPP or power station can cost $20,000 to $50,000.
A single dayโ€™s delay can exceed $500,000 in lost revenue and labour costs.

3D scanning reduces that risk by eliminating rework and ensuring every component fits right the first time.
Typical return on investment (ROI):

  • Scanning cost: <1% of total project value.
  • Rework savings: 3โ€“10% of total cost.
  • Downtime reduction: 1โ€“3 days saved per shutdown.

When accuracy drives reliability, 3D scanning isnโ€™t an expense โ€” itโ€™s insurance.


Supporting the Hunterโ€™s Future

Newcastle and the Hunter Valley are evolving โ€” from coal and power to renewables, advanced manufacturing, and logistics.
But one thing hasnโ€™t changed: the regionโ€™s foundation in engineering, precision, and hard work.

Hamilton By Design supports that legacy with the next generation of technology โ€” scanning, digital modelling, and mechanical design that keep the regionโ€™s assets efficient, safe, and ready for the future.

Weโ€™re not an offshore CAD vendor.
Weโ€™re local engineers whoโ€™ve worked in the field, understand your equipment, and speak the same language as your crews.


Letโ€™s Build the Future of Hunter Industry โ€“ Accurately

Every project starts with one question: โ€œDo we have accurate site data?โ€

With Hamilton By Design, the answer is always yes.

We deliver:
โœ… 3D laser scanning and LiDAR modelling
โœ… Point-cloud to SolidWorks integration
โœ… Reverse engineering and FEA validation
โœ… Fabrication drawings tailored for local workshops
โœ… On-site consultation with practical engineering insight

Whether youโ€™re upgrading a conveyor at Bayswater, fabricating platforms for Tomago, or retrofitting process piping at Kooragang, we ensure your next project fits perfectly โ€” before steel is cut.

Banner displaying Hamilton By Design alongside partner and technology logos including SolidWorks, UTS, Dassault Systรจmes 3DEXPERIENCE, and FARO, with the text โ€˜3D Scanning 3D Modellingโ€™ and website www.hamiltonbydesign.com.au.

๐Ÿ‘‰ Get your industrial site scanned and modelled before your next shutdown.
Visit www.hamiltonbydesign.com.au or contact us to request a capability statement today.

Mechanical Engineering | Structural Engineering

Mechanical Drafting | Structural Drafting

3D CAD Modelling | 3D Scanning

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