Cornish Metals Inc’s refurbishment and dewatering of the New Cook’s Kitchen shaft is progressing at the South Crofty tin mine project in Pool, Redruth, Cornwall. PUMPS Operations have reached the mid-shaft pump station, approximately 360 metres below surface. The Canadian company has started to secure the work area and stabilise the underground chamber of the […]
Tag: mine dewatering
Cornish Metals defers South Crofty production
Cornish Metals Inc has pushed back production from 2027 to the first half of 2028 following slower dewatering rates at its South Crofty tin mine project near Redruth PUMPS Maintenance work on the submersible pumps and delays in servicing one of the pump motors slowed dewatering “in recent months”. Dewatering returned to near full capacity […]
Cornish Metals progresses South Crofty
Cornish Metals Inc has started the second phase of refurbishing the New Cook’s Kitchen shaft at South Crofty tin mine in Cornwall. DEWATERING Operations will include installation of the phase II work platform to enable faster replacement of old shaft timbers with new steel guides. In parallel, the Canadian company is maintaining the water level […]
Alba completes dewatering lower Llechfraith level 4
Alba Mineral Resources plc has become the first company in decades to walk on level 4 of the lower Llechfraith workings following completion of dewatering in Clogau-St David’s gold mine. EXPLORATION Along with using pump rates of up to 250 cubic metres per day, specialist geotechnical contractors also installed new platforms and ladderways to allow […]
Alba to increase dewatering rates at Clogau
Alba Mineral Resources plc has received permission to increase the dewatering rate in the lower Llechfraith workings of its Clogau-St David’s gold mine, north Wales. EXPLORATION Industry regulator Natural Resources Wales approved the company’s application for variations to its existing discharge and abstraction permits. The rates will increase in early January from 100 to 250 […]
South Crofty mine water levels fall faster than expected
Cornish Metals Inc said that water levels are falling quicker than expected during the dewatering of South Crofty tin mine. UNDERGROUND WORKINGS Operations began in early November with up to 25,000m3 per day of water pumped directly from the mine to the water treatment plant before discharge into the Red River. The Canadian company said […]