14 JANUARY 2023 WorldWide Drilling Resource® England’s South Crofty Project Adapted from Information by Cornish Metals, Inc. The South Crofty project, acquired in 2016, covers the former producing tin mine located beneath the towns of Pool and Camborne in Cornwall, England. Closed in 1998, following over 400 years of continuous production, Cornish Metals, Inc. used the vast archive of historical production data, along withmore recent drilling completed between 2007 and 2013, to finalize their study.Additionally, CornishMetals has undertaken extensive pilot-scale water treatment trials and successfully applied for and received the necessary environmental permits to abstract, treat, and discharge mine water in to dewater the mine. Planning permissions for the operation of the mine and redevelopment of the surface facilities have been secured and construction of the water treatment plant foundations commenced. The dewatering pumps, variable speed drives, and new high-voltage power supply have been delivered to the site. Water Treatment Plant Construction (WTP): • Detailed design of the WTP is now 75% complete and is on track for planned commissioning in June 2023. • The foundation slab for the WTP has been designed, the shuttering and steel reinforcement complete, as well as concrete pouring. • All key equipment suppliers have been engaged, contracts awarded, and delivery dates assigned. • Six large steel clarifier tanks have been fabricated locally. • Ongoing water treatment studies have further optimized the treatment process, resulting in a reduction in reagent consumption, an improvement to metal and suspended solids recovery, as well as an expected reduction in operating costs. Mine Dewatering: • Two submersible pumps, purchased in 2018, have been checked and tested, both of which are in good working order. • Pump and pipe handling infrastructure has been installed and tested. • All steel pipes required for pumping have been delivered and are ready for installation. • A new single-drum winder has been ordered, for delivery later this year, to enable the New Cooks Kitchen shaft reaccessing. “It is wonderful to see the level of activity underway at South Crofty, as we progress through the construction of the water treatment plant and undertake a metallurgical sample drill program . . . It is inspiring to see the pride and dedication our team displays, knowing that they are contributing to the success of a project that means a lot to the local community and a restart of the Cornish tin industry,” said Richard Williams, CEO of Cornish Metals, Inc. Steel reinforcement for the concrete foundation slab at the mine’s water treatment plant. MIN
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