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Mako Gold Mine EPC Project

Africa, Senegal

Lycopodium conducted studies for the Metallurgy, Process Route Design, Project Infrastructure, as well as Study Manager responsibilities. In August 2016, Lycopodium was awarded the Engineering, Procurement and Construction (EPC) contract for the delivery of the project.

Toro Gold Ltd (Toro) is a private gold exploration and development company focused on the prolific Birimian and Archean geological terranes of Africa. Established in 2009, Toro has established a portfolio of gold projects across multiple jurisdictions, with its flagship asset being the Mako mine in Eastern Senegal, discovered in 2011.

Successive drilling campaigns were carried out from 2011 to 2015 and, based on these drilling results and the associated resource estimates, Toro completed a Pre-Feasibility Study in 2014 and a Definitive Feasibility Study in 2015.

Lycopodium assisted Toro through the preparation of these studies taking responsibility for the Metallurgy, Process Route Design, Project Infrastructure, as well as Study Manager responsibilities. In August 2016, Lycopodium was awarded the Engineering, Procurement and Construction (EPC) contract for the delivery of the project with responsibility for the execution and delivery of the various facilities and scope of work elements being divided between Lycopodium and Toro.

Lycopodium’s scope of work is to carry out the process design, detailed engineering and drafting for the gold process plant and associated facilities, including supply of equipment and materials, construction and commissioning through to handover to Toro.

The process plant will be designed to process nominally or 1.8 Mtpa of run of mine (ROM) ore through crushing, grinding, classification, pre-leach thickening, leaching / adsorption, elution, electrowinning, smelting and carbon regeneration, with CIL tailings detoxified and pumped to a Tailings Management Facility. Mako ore properties are unique (extremely hard, extremely abrasive, extremely clean with low viscosity) and these characteristics needed to be considered in the proposed designs. Required infrastructure includes a mine services area, buildings, accommodation camp, and related process and non-process infrastructure and site power station (by others).

Since award, Lycopodium has completed all engineering and procurement activities and focus has shifted to the construction of the infrastructure facilities and the process treatment plant.
An important element placing pressure on the project team and schedule is Senegal’s weather, in that it has two principal parts – tropical; hot, humid; rainy season from May to November with a dry season between December to April.

The project, approximately 650 km ESE of the capital city Dakar is accessed via the main national Dakar – Bamako highway and lies approximately 5 km from this sealed main road. When developed, Mako will be only the second gold development in the country. The project is located adjacent a World Heritage listed wildlife park which has provided some additional challenges for the design team including strict compliance with the International Cyanide Management Code (ICMC), a minimum plant footprint and strict sediment controlled runoff.

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