www.valenza-engineering.com 13 OGNZ - WUG Conceptual Engineered Mitigation of Impact on Surface Water Systems DRAFT M i n e p a n e l g r o u t z o n e f r o m s h a f t s a n d i n c l i n e s V e r t i c a l d e w a t e r i n g a n d g r o u t i n g w i t h i n h e l i c o i d a l d e c l i n e s G r o u t i n g f r o m c h a m b e r s a t I n c l i n e , D e c l i n e a n d D r i v e l e v e l s U G D e w a t e r i n g G r o u t i n g c h a m b e r s D e w a t e r i n g c h a m b e r s
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