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Access Portal Collapse Repair and Equipment and Stope Rock Removal Work Plan March 2, 2012 <br />May Day No. 1 <br />List of Photographs <br />Photograph No. 1 <br />Photograph No. 2 <br />Photograph No. 3 <br />Photograph No. 4 <br />List of Figures <br />EnviroGroup Limited <br />DEN 97, 749, 013v3 2 -29 -12 <br />— May Day No. 1 Mine — <br />— May Day No. 1 Mine — <br />— May Day No. 1 Mine — <br />— May Day No. 1 Mine — <br />TABLE OF CONTENTS <br />SECTION PAGE NO. <br />1.0 INTRODUCTION 1 <br />2.0 WORK PLAN 4 <br />2.1 PRIOR INVESTIGATION 4 <br />2.2 PHASE 1 SCOPE OF WORK: TASKS 1 -4 4 <br />2.3 PHASE 2 SCOPE OF WORK: TASKS 5 -7 6 <br />3.0 CONSTRUCTION IMPLEMENATION PLAN 7 <br />3.1 DOCUMENTATION AND CONSTRUCTION REPORTING 7 <br />3.2 QUALITY ASSURANCE AND QUALITY CONTROL PROGRAM 8 <br />3.3 PROJECT CLOSEOUT AT THE END OF PHASE 2 ACTIVITIES 9 <br />3.4 POST - CONTRUCTION MONITORING PROGRAM 10 <br />3.5 INSPECTION AND MAINTENANCE PROGRAM 10 <br />4.0 REFERENCES 11 <br />Figure 1 — Total Operational Area Plan <br />Figure 2 — May Day No. 1 Mine Schematic Plan at Portal Area <br />Figure 3 — May Day No. 2 Stockpile Area <br />Figure 4 — Typical Adit Support Sections <br />Figure 5 — May Day No. 1 Boring Locations <br />Mill Portal Area (November 2009) <br />Access Portal Area Collapse <br />Portal Collapse at Mill Building Access <br />Collapse Within Access Portal <br />