WDT (Engineers) Pty Ltd is an engineering company that offers design, fabrication, and construction services across various industries such as sugar, mining, and materials handling. They have capabilities in process equipment design, pressure vessels, large structural fabrications, and specialize in turnkey projects. WDT has workshops in Brisbane and Mackay, Australia and can handle projects from concept through commissioning.

1. WDT (Engineers) Pty Ltd
Engineers
Fabricators
Constructors
Reliable Suppliers to Industry

2. WDT offers a quality engineering package
from project management to commissioning.
Products & Services by Industry
♦ WDT Continuous Fugal
♦ Batch Vacuum Pans
♦ Continuous Vacuum Pans
♦ Evaporators (Roberts & Plate)
♦ Condensers
♦ Rotary Juice Screens
♦ Juice Heaters
♦ Clarifiers
♦ Receivers
♦ Crystallisers
♦ Sugar Dryers
♦ Tipplers
♦ Bagasse Storage Systems
♦ Bagacillo Systems
♦ Bucket Elevators
♦ Screw Conveyors
♦ Melters
♦ Tanks & Pipe work
Sugar Industry
♦ Belt Conveyors
♦ Belt Feeders
♦ Hoppers
♦ Bulk Storage Bins & Silos
♦ Bucket Elevators
♦ Screw Conveyors
♦ Automatic Transfer Cars
♦ Specialized Equipment
Materials Handling
♦ Stockyards & Blending systems
♦ Stackers
♦ Tripper cars
♦ Portal Reclaimers
♦ Bridge Reclaimers
♦ Circular Stockpile systems
♦ Portal Bridge Reclaimers
♦ Ship loaders
Manufacture and Supply of Stockyard Equipment.
♦ Pressure Vessels
♦ Stainless Steel
♦ Heavy Fabrication
♦ Large Diameter machining
♦ Heavy plate welding & Boiler
making
♦ Process Vessels & Pipe work
♦ In-house Design & Drafting
Design, Fabrication and Machining

3. About Us
WDT (Engineers) Pty Ltd is a general engineering company catering to the design, manufacture,
installation and commissioning requirements of most aspects of industry. Since incorporation in
1970 the company has grown steadily in knowledge and expertise establishing a reputation as a
reliable supplier to industry.
The company's head office is located in Acacia Ridge, Brisbane, Australia with a second
manufacturing works situated in Mackay, North Queensland. WDT (Engineers) Pty Ltd has a
wealth of experience in the Sugar and Mining Industries from both materials handling and
process design considerations. Our focus is on medium to major projects with the capability to
cover the full scope of Design, Project Management, Drafting, Manufacture and Construction.
We regularly operate in the role of Prime Contractor on larger projects.
We have in house design and drafting facilities in our Brisbane office and our experienced
Construction Division carries out all site installation requirements.
We see our prime areas of expertise as Materials Handling, Large Process Vessels,
Pressure Vessels, Storage and Load out Facilities, heavy-duty machinery
applications and specialised structural fabrications. As we have our own
Construction Division we also perform Shutdown and Maintenance activities.
WDT operates a Management System that complies with the requirements of AS/
NZS ISO 9001:2000. Our capability covers: Design, manufacture, fabrication,
supply, construction, installation and commissioning, including full “turnkey”

4. Materials Handling
WDT senior personnel have extensive experience in conveyor
project work and the company has full capability to cater to the
design, manufacture, installation and commissioning requirements
of major conveyor projects.
From ship loaders, stackers and reclaimers to a complete power
station coal handling plant WDT has the capability to deliver on
your materials handling projects.
Erection of Conveyor Gantries at Tarong North
Power Station as part of a $M14 Coal Handling
Plant Project
4,000 Tonne Coal Receivable Bin
Completed Conveyor Gantries at Tarong North Power Station

5. Two Luffing & Slewing 3000TPH Coal Ship loaders
Detail design, fabrication, shop assembly & Commissioning
3000 Tonne Sugar Bin
Fabricate & Construct
Grain Ship loader
Fabricate & Construct

6. Sugar Industry
WDT have been a leading supplier of process equipment to the
Australian Sugar Industry in recent years. Many of the larger
contracts are undertaken on a design and construct basis with WDT
acting as principal contractor, and playing a key role in up front
process design support and budget preparation.
We have designed, constructed and installed all components of
process plant for a complete sugar mill “back end” with many
designs proven in the industry over the last thirty plus years.
10.4m Juice Clarifier
With top juice flash tank
CSR Continuous Cascade
Vacuum Pan

7. Juice Heater
136m2
Batch Vacuum Pan
with internal condenser
Rotary Tippler (900TPH)
Dual Ring Gear & Pinion Drive

8. WDT Continuous Fugal
Optimum ‘A’ & ‘B’
Massecuite Fugalling
♦ New basket design giving improved
purging and drainage at low speed.
♦ Reduced wash water demand.
♦ In-basket Massecuite conditioning.
♦ Separate green / wash molasses, ideal for
continuous pans.

9. 2003: Successful operation treating ‘B’Massecuite
at 340 to 360 RPM.

10. Stockyard Equipment
WDT have manufactured and installed Stockyard Equipment/
materials handling equipment in Australia via recognised suppliers
in the field of bulk material stockyards and blending bed
technology for all major industries.
WDT have a strong history in the manufacture of the structural
components of these machines and have performed several
equipment upgrades.
Bridge Type Scraper reclaimer
50m span, 1100TPH coal
Luffing stacker
1200TPH Capacity

11. Circular Stacker and Bridge Type
Reclaimer
Upgrade to Bridge Type
Reclaimer

12. Pressure Vessels
Pressure vessels are designed, manufactured, tested, inspected and
certified in accordance with the Australian Standard for Pressure
Vessels AS1210. Vessels can be manufactured and welded to all
vessel classes and constructed from both ferrous and non-ferrous
metals.
We manufacture vessels of all sizes ranging from a typical air
receiver to the largest 10.0m diameter sugar process vacuum
vessel.
321H Stainless Steel Con-
6m diameter Digestor Installation

13. 6MW Boiler
Boiler Front End above
Rotary Shaft Kiln
Transport from WDT Mackay
of 6m diameter Digestor
Horizontal water and gas
separator vessel for CSG industry

14. Machining & Fitting
Machining of vessel body flange on
Floor Borer
Our company has shown the necessary initiative by installing
suitable heavy equipment, of which few companies in Queensland
would have the equivalent, whilst pursuing a progressive Research
and Development policy to enable us to effectively support our
growing Design and Construct Capacity. Our versatile machine
shop has the capability to handle large and difficult machining
tasks beyond that of your average machine shop.
Fully Assembled Rotary Juice Screen
(WDT Design)

15. Machining of Continuous Fugal Basket
and completed batch fugal basket
Asquith Radial Drills
75mm - 125mm hole
2.5m diameter lathe
6m centres, 40 Tonne

16. Workshop Capabilities
Brisbane Workshop
♦ Five 10 Tonne overhead cranes in two bays
(Design upgrade to 60T in hand).
♦ Maximum load out handled to date—65 Tonne.
♦ 3100mm x 25mm Plate Rolls.
♦ Falcon Plate Stripper with 6 cutting heads.
♦ Abrasive Blast Room Facility.
♦ Paint Shop Facility.
♦ SAW (Submerged Arc)
Welding Facility.
♦ GMAW (MIG) Welding
Facility.
♦ FCAW (Flux Cored Arc)
Welding Facility.
♦ GTAW (TIG) Welding
Facility.
♦ MMAW (Stick) Welding
Facility.
♦ Carbon Steel, Stainless Steel,
Duplex Steel Fabrication
♦ Extensive Shop Testing
Capability.
♦ 4,500 m2
Covered Workshop.
Shop Testing of 3000TPH Ship loader
In our Brisbane Workshop.

17. Mackay Workshop
♦ 50 Tonne, 20 Tonne and Two 5 Tonne overhead cranes.
♦ 3300mm x 36mm Plate Rolls.
♦ SAW (Submerged Arc) Welding Facility.
♦ GMAW (MIG) Welding Facility.
♦ FCAW (Flux Cored Arc) Welding Facility.
♦ GTAW (TIG) Welding Facility.
♦ MMAW (Stick) Welding Facility.
♦ Carbon Steel, Stainless Steel, Duplex Steel Fabrication.
♦ 2,500 m2
Covered Workshop.
Mackay Workshop

18. Construction Crew
Installation of a Crystalliser
At Racecourse Refinery
Having our own Site Crew enables us to carry out projects to final
completion and provide a Turn Key Manufacturing Service.
Cranage
Cranage is selected to suit the individual requirements of each work
site and lifting duty so that the most cost effective solution is
provided.
Flexible Workforce
Our Site crew covers all your on site requirements with
Boilermakers, Fitters, Riggers and TA's.
Shutdown Work
Crew available to work within your Shutdown periods
Installation of Continuous Vertical
Vacuum Pan

19. Erection of Conveyor Gantries
At Newlands Coal Mine
Installation of a Multiple Hearth
Furnace—QLD Magnesia.
Two units supplied.
Erection of Tail Gas Scrubber
8m Dia x 47m High.
WMC—Phosphate Hill

20. Andrew HauffWDT (Engineers) Pty Ltd
Brisbane Works—Head Office:
Address: 124 Ingram Rd
Acacia Ridge QLD 4110
Phone: 61 7 3345 4000
Fax: 61 7 3345 8697
Email: brisbane@wdtengineers.com.au
Web: www.wdtengineers.com.au
Engineers Fabricators Constructors
WDT (Engineers) Pty Ltd
Mackay Works:
Address: Commercial Avenue
Paget Mackay
Phone: 61 7 4952 2742
Fax: 61 7 4952 3768
Email: mackay@wdtengineers.com.au