Global Projects & Experience

Global Projects & Experience

Global Projects & Experience

Shondoni Conveyor : AC-Tek

Shondoni (Sasol)

Engineering design and optimization of the world's longest single flight conveyor without a mid-station drive (20.5 km). Transporting 2400 t/h of coal on a 1200 mm belt at 6.5 m/s with multiple horizontal curves.

Obajana Cement Conveyor : AC-Tek

Obajana Cement

7.0 km overland conveyor transporting 2,400 t/h of Limestone at 5.0 m/s, with multiple horizontal curves. AC-Tek assisted in commissioning and preformed field measurements. World's first fully elevated overland troughed belt conveyor using a triangular maintenance trolley.

Kaltim Prima Coal (2012) Conveyor : AC-Tek

Kaltim Prima Coal (2012)

Design and engineering of a single overland conveyor that transports 4500 t/h of Coal on a 1100 mm wide, ST-2250 N/m. This single flight overland conveyor is 12.6 km long and is running at 8.5 m/s.

Kaltim Prima Coal (2014) Conveyor : AC-Tek

Kaltim Prima Coal (2014)

Design and optimization of a 9.2 km overland conveyor with multiple horizontal curves. Transporting 4,500 t/h of Coal on a 1400 mm belt running at 7.3 m/s.

Twistdraai Colliery Conveyor : AC-Tek

Twistdraai Colliery

Engineering design, optimization, commissioning, and field measurements of three overland conveyors transporting 2400 t/h of coal on a 1200 mm wide belt at 5.0 m/s. Longest conveyor is 12.4 km with both head & tail drives and has multiple horizontal curves.

Solomon Overland Conveyor : AC-Tek

Solomon Overland

Design and engineering of multiple overland conveyors transporting 7400 t/h to 4500 t/h of iron ore. A total of seven overland conveyors with combined system length of 15 km.

Morenci Conveyor : AC-Tek


Design and engineering of a 1.4 km overland conveyor with an 1800 m horizontal curve, transporting 5100 t/h of copper.

VALE S11D Conveyor : AC-Tek

VALE S11D (2014)

Engineering design and optimization of three downhill conveyors ranging from 1.6 km to 4.5 km. Transporting a massive 19,200 t/h of iron ore on a ST-8000 N/mm 2200 mm wide belt at 5.0 m/s. Longest conveyor has 7 x 1500 kW with brake sizes of 3 x 400 kN-m & 4 x 730 kN-m.

VALE S11D – Waste Conveyors (2016) : AC-Tek

VALE S11D – Waste Conveyors (2016)

VALE S11D – Bench Connection (2016) Conveyor : AC-Tek

VALE S11D – Bench Connection (2016)

Optimum Colley Conveyor : AC-Tek

Optimum Colley

Existing 4.0 km horizontally curved overland conveyor was split into two conveyors. A new 5.1 km conveyor from Boshmanspoort will feed the second half of the existing conveyor at the new transfer point. Second 3.6 km overland conveyor was upgraded to new design tonnage of 2700 t/h of coal.

Robinson Run Conveyor : AC-Tek

Robinson Run

Dynamic Analysis & Field Measurements. Three overland conveyors (3.5, 3.3, and 1.7 km). Coal, 2500 t/h, 4.0 m/s, 1600 mm belt.

Black Thunder Mine Conveyor : AC-Tek

Black Thunder Mine

Design, commissioning and data acquisition on a 3.3 km overland conveyor coal conveyor transporting 7000 tph on a 72” belt (1830 mm) running at 1135 fpm (5.8 m/s). One of the largest coal mines in the world accounting for nearly 9% of US production.

Bluewater Power Conveyor : AC-Tek

Bluewater Power

Design and engineering of a 3.1 km overland conveyor with multiple horizontal curves. Transporting 800 t/h of coal at 5.25 m/s over an 800 mm belt.

Gold Fields Conveyor : AC-Tek

Gold Fields

Design of multiple in-plant conveyors including a 2,600 t/h stockpile feed and reclaim conveyor. Chutes designed using AC-Tek's in house Newton DEM software.

Aitik Conveyor (2010) : AC-Tek


Complete engineering design, optimization, and field measurements on eleven conveyors ranging from 50 m to 3,000 m. Located in the arctic circle operating an extreme environmental conditions with a minimum design temperature of -40 °C. Transporting 8,000 t/h of copper ore. Largest conveyor has a 2000 mm wide ST-6000 N/mm belt, and a total installed power of 9,200 kW.

El Abra Conveyor : AC-Tek

El Abra

Design of 4.5 km downhill conveyor. 8550 t/h of Copper Ore - 1600 mm - ST-3150 N/mm. 3 x 900 kW Power, 3 x 150 kN-m Brakes.

Baily Crabapple Conveyor : AC-Tek

Baily Crabapple

Design and engineering of three overland conveyors. The total system length is 22,034 ft (6,700 m), transporting 4600 tph (4175 t/h) of coal. Total installed power of 9,000 hp (6700 kW).

Endako Conveyor : AC-Tek


Design audit, field measurements, and a design upgrade on a 2.3 km incline conveyor. Transporting 3650 t/h of molybdenum ore on a 54” (1372 mm) ST-4800 N/mm belt running at 4.8 m/s with 4 x 930 kW installed power.

Bayovar Conveyor : AC-Tek


Design of a 4.1 and 2.0 km overland conveyor. Transporting 2250 t/h of phosphate at 4.6 m/s on a 1600 mm, ST-1800 N/mm belt.

Boschmanspoort Conveyor : AC-Tek


Design and engineering of a 5.1 km overland conveyor transporting coal at 1400 t/h on a 1050 mm ST-2000 N/mm belt at 4.5 m/s.

CSN – Porto de Sepetiba Conveyor : AC-Tek

CSN – Porto de Sepetiba

Field measurements, design audit, and system upgrade analysis of seven overland conveyors (up to 2 km in length). Conveyors are transporting 17,600 t/h of iron ore on a 2000 mm wide ST-2800 N/mm belt.

Negzi Conveyor : AC-Tek


Design and engineering of a 5.8 km overland with a 2100 m and 3500 m horizontal curve. Transporting 1400 t/h Platinum Ore, 900 mm belt, 4.0 m/s, ST-2000 N/mm.

Oyu Tolgoi Conveyor : AC-Tek

Oyu Tolgoi

Engineering design of 11 conveyors. Longest conveyor is 2.7 km long. Transporting 7200 t/h of copper ore on a 1800 mm wide ST-1800 N/m belt running at 3.8 m/s.

Aditya Birla Group Dahej Conveyor : AC-Tek

Aditya Birla Group Dahej

Twin 4.4 km pipe conveyor system transporting 1760 t/h of Coal, ST-1800 N/mm 1850 mm belting. Engineering & Design for TecPro (project completion by Macmet).

Porto do Itaqui Conveyor : AC-Tek

Porto do Itaqui

4.3 km and a 600 m pipe conveyor, 1000 t/h of coal, multiple horizontal and vertical curves with horizontal radii as small as 300 m. AC-Tek completed a full set of field measurements to resolve operational issues, belt alignment problems, and significantly reduce the current belt wear.

Enlow Fork Conveyor : AC-Tek

Enlow Fork

Engineering design of six overland conveyors and two slope conveyors. The total system length is 10.4 km. The slope conveyor transports 10,000 tph of coal up 740 ft on an 84” wide ST-6000 N/mm belt.

VALE Projecto Executivo Conveyor : AC-Tek

VALE Projecto Executivo

Design and engineering of four port conveyors using 2200 mm wide ST-4500 N/mm belting. The system has 70 m belt turnovers installed to prevent spillage of material into the bay. Each conveyor is transporting a massive 20,000 t/h of iron ore over 1.8 km to a ship loading tripper.

Simplot Conveyor : AC-Tek


Design, engineering, and field measurements on a 800 m overland conveyor with 850 m horizontal curve, 2000 t/h of phosphate ore.

Collahuasi Conveyor : AC-Tek


Design Audit & Field measurements on a 2.5 km incline overland conveyor with a 5,000 m horizontal curve transporting 10,000 t/h of copper ore.

Lumwana Copper Conveyor : AC-Tek

Lumwana Copper

Design of six conveyors including a 4.3 km overland conveyor transporting copper ore at 4066 t/h 4 x 560 kW – 5.2 m/s