All stoping mines develop and stope concurrently - chaos occurs when you don't have enough mining areas (vent) and are trying to do too much in one area. Declines will be pushed to the extent of drilling cover and stop to handover to the drillers to do the resource drilling before pushing on again assuming economic material has been delineated. BGL copped a grade surprise which exposed the hedge - for some reason it had scheduled a number of stopes in the March Q that had low drilling information. Mine schedulers usually assign a confidence risk factor to each stope and schedule so that low confidence stopes are matched with higher confidence stopes rather than being mined in a glut. The scheduler should see far enough ahead in the schedule to identify these areas and try and do something about it (eg more drilling). For a single asset company with a full corporate and site structure this should have been picked up - it's bread and butter ug risk management. Cheers Ken (recent holder)
BGL Price at posting:
90.0¢ Sentiment: None Disclosure: Held
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