Ingo/Outgo Dumper Systems Upgrade

Project Details: Ridley Terminals Inc. (RTI) has been one of North America’s leading coal export terminals for nearly 40 years. In order to meet current and future throughput demands, RTI planned to replace aging equipment within their railcar unloading facility. CWA was retained by RTI as the prime consultant responsible for the engineering, procurement, and… Read More

Vanscoy Potash Operations Rail Yard Expansion

Project details: CWA completed the conceptual and detailed design of the rail yard expansion at Vanscoy Potash Operations as part of a larger mine and plant expansion. The rail yard expansion project included the addition of rail car storage tracks and a run-around spur line. CWA was responsible for: The detailed civil design, detailed lighting… Read More

Wet Milling Facility Inspection & Repairs

Project details: CWA was engaged by Agrium Inc. (now Nutrien Limited) to conduct a review of the existing mill structure in the wet milling facility at their potash mine in Vanscoy, Saskatchewan. Following the inspection, CWA was asked to perform the conceptual and detailed design and provide construction support services for a retrofit of the… Read More

​New Pebble Crushing Facility

Project details The Highland Valley Copper mine is Canada’s largest open pit mine, producing both copper and molybdenum concentrates. As part of the 2011 mill optimization project, which sought to increase the mine’s average throughput by approximately ten percent, CWA designed a completely new pebble crushing circuit and crushing building including a 300-tonne surge bin,… Read More

​Primary Crusher Relocation

Project details The Highland Valley Copper mine is Canada’s largest open pit copper mine and produces both copper and molybdenum concentrates. CWA developed the project execution plan and performed the detailed civil, structural, mechanical, and electrical design for the relocation of primary crusher #4. The project included: The relocation of two 1,000-metre-long overland conveyors with… Read More

New Minerals Terminal

​Project details On an annual basis, 2.3 million tonnes of mineral concentrates were being shipped out of the Port of Callao, located within the Lima Metropolitan Area in Peru. The opening of new mines and production increases at existing mines were expected to increase throughput to as much as six million tonnes per year. The… Read More

​Limestone and Nickel Concentrate Conveyor Systems

​Project details CWA was retained to design the offloading and process conveyor systems for Vale-Inco’s Long Harbour limestone and nickel concentrate processing facility. The systems are comprised of 15 separate conveyors totalling 1,400 metres in length, including: A 602-metre fully-enclosed tubular offloading conveyor from the wharf to the storage building. A 114-metre tripper conveyor including… Read More

​Oyu Tolgoi Mine Concentrate Bagging System

​Project details The Oyu Tolgoi mine, located 550km south of the Mongolian capital of Ulaanbaatar and 80km north of the Mongolia-China border, is one of the largest copper-gold projects in the world. CWA performed engineering and procurement services for the finished product export system at the mine including the world’s largest bagging system for cohesive… Read More

​Oyu Tolgoi Mine Concentrate Storage Building

​Project details The Oyu Tolgoi mine, located 550km south of the Mongolian capital of Ulaanbaatar and 80km north of the Mongolia-China border, is one of the largest copper-gold projects in the world. CWA was responsible for the design of the structural steel for the concentrate storage building. Challenges The mine’s location in the south Gobi… Read More

Red Dog Lightering Barges Maintenance Review

​Project details The Red Dog mine, one of the largest zinc mines in the world, uses two lightering barges to transport zinc and lead concentrates from the port facility to ocean-going bulk carrier vessels at deep-water offshore anchorage. CWA was engaged to carry out an inspection of the material handling equipment, including a self-unloading belt… Read More

​White Mountain Mine Anorthosite Process Plant

Project details Hudson Resources’ White Mountain mine produces anorthosite, a more environmentally-friendly alternative to common components of fibreglass, alumina, paint, paint fillers, and white cement. Hudson Resources engaged CWA during the planning stages of the White Mountain mine to help bring their vision to a reality. CWA performed the preliminary and detailed design of the… Read More

​Vista Coal Project Bankable Feasibility Study

Project Details CWA completed a bankable feasibility study for the Vista coal project, which will produce six million tonnes of coal per year once the open-pit mine is operational. The coal will be exported through Ridley Terminals in Prince Rupert, British Columbia. The mine will include: Two 1,500 t/h process plants. A thermal dryer building…. Read More

​Coal Capacity Upgrade

Project details CWA provided EPCM services to Neptune Bulk Terminals to increase the capacity of its metallurgical (steel-making) coal export facility from 8.5 million tonnes per year to 12.5 million tonnes per year. The project included the installation of a new stacker/reclaimer and a related conveyor system rated at 8,000 tonnes per hour. Challenges As… Read More

​Potash Ship Loading System Expansion

Project details CWA performed the detailed design of an expansion project to increase the handling capacity of an existing potash facility from six million tonnes per year to ten million tonnes per year. The project included a new 600-tonne capacity surge bin, modifications to an existing conveyor to create a shuttling head end, a new… Read More

​Structural Maintenance Strategy Audit

Project details Cerrejón owns the largest open-pit coal mine and export port in Latin America, which have a capacity of over 32 million tonnes per year and are connected by a 150-kilometre-long railroad. Cerrejón had established structural inspection and maintenance procedures for their mine, railway, and port infrastructure and wanted to bring their system in… Read More