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SEALING OF DRILLED HOLES IWD UNDERGROUND OPENINGS <br />• Drill Holes: <br />• <br />EXCESS SPOIL AND UNDERGROUND DEVELOPMENT NASTE n r <br />L_J <br />(O1/90) 0200E <br />Name/ Location Type of Scheduled <br />Underground Openings: <br />Name/ Type of Location/ Scheduled <br />Location Start Up and Outslope Lift Underdrains/ <br />Pile Name/ and Nap Nazi mum Maximrm Completion Con fl g. Thickness Filter Cert. <br />