NOM. 400mm EXISTING CONCRETE SHAFT LINING 100mm Ø PIPE MULTIPLE 100mm Ø PIPE TO DEPOSIT FILL AT MULTIPLE ELEVATIONS FIRST LIFT BROW ELEVATION WASTE ROCK BERM (DIMENSION TBC) MIXER AND PUMP GROUND SURFACE SECONDARY LIFT(S) 6m HIGH DRIFT EXISTING SHAFT 5000 Ø (TBC) 0 25 mm TITLE PROJECT NO. REV. PROJECT CLIENT CONSULTANT PREPARED DESIGNED REVIEWED APPROVED YYYY-MM-DD Path: C:\Users\ELielkalns\Desktop\ | File Name: Backfill sketch 7.dwg | Last Edited By: jtaylor Date: 2021-11-03 Time:4:54:21 PM | Printed By: JTaylor Date: 2021-11-03 Time:4:54:45 PM IF THIS MEASUREMENT DOES NOT MATCH WHAT IS SHOWN, THE SHEET SIZE HAS BEEN MODIFIED FROM: ANSI B 20148384 SCALE 1:75 SKETCH 7 A 2021-11-03 JJT JJT #### #### WKP MINE DEVELOPMENT POST MINING CLOSURE OF SHAFT OPENINGS OCEANAGOLD CORPORATION CEMENTED BACKFILL CONCEPT SKETCH ONLY
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