1. TIRE FIRE INCIDENT WHEN CIRCUMSTANCES AID AND DETER

2. THE THREAT Fire represents one of the greatest threats to those working either above or below ground in a mine environment. It takes little for a minor outbreak to escalate in minutes into a disastrous conflagration, so stopping a fire in its tracks has to be the top priority.

3. THE WHAT? JS Redpath 30 Ton Tamrock Truck Tire

4. THE CIRCUMSTANCE Hydro One scheduled a four hour power outage on March 18 th from 12- 4pm Diesel generators on site for pumps, especially during the aggressive thawing of ice/snow Hydro One scheduled a four hour power outage on March 18 th from 12- 4pm Diesel generators on site for pumps, especially during the aggressive thawing of ice/snow

5. INCIDENT TIMELINE TIMEACTION LOCATIONCOMMENTS 10:20 TRUCK LOADED BY SCOOP HEADING UP RAMP NOTICED STRONG SMELL IN AIR9745WJSRL 30 TON TRUCK SCOOP OPERATOR INFORMED DRIVER OF FLAT TIRE9745W 10:25PARKED TRUCK IN WEST BYPASS-SHUT OFF MAIN SWITCH TRUCK BYPASS AND PUT WHEEL CHALKS ON 10:30WALKED DOWN RAMP TO INFORM SUPERVISOR AND MECHANIC WEST RAMP 11:40WENT BY TRUCK AT END OF SHIFT AND NO SMOKE OR FLAME WEST RAMP MECHANIC CHECKED FLAT TIRE NO ISSUES 13- 16:00HYDRO PLANNED POWER OUTAGE-NO PERSONNEL UG 16:00ELECTRICIANS ENTERED RAMP TO SHUT OFF DIESEL GENERATOR MINE ACCESSFOUR ELECTRICIANS AND COMMENCE RE- ENERGIZING

6. INCIDENT TIMELINE 16:45 ELECTRICIAN CALLED ON RADIO THAT THERE WAS A FIRE UNDERGROUND HARVEY DASTI 16:55 UG PERSONNEL ACCOUNTED FOR 17:00UG SHIFTER ADVISED SECURITY TO RELEASE STENCH 17:03 STENCH RELEASED 17:12 SECURITY BEGAN CALLING MR PERSONNEL AND BRIGUS/REDPATH MANAGEMENTGATEHOUSE 17:30 PIT PERSONNEL ACCOUNTED FOR 17:35ALL SURFACE PERSONNEL ACCOUNTED FOR 18:00 MR PERSONNEL ARRIVING ON SITE 18:30COMMAND CENTRE SETUP AND IN CONTROLCONF ROOM MR OFFICERS FROM KL,SAG AND TIMMINS AIDED

7. INCIDENT TIMELINE 18:55MR TEAM 1 BRIEFING CONF ROOM 19:07 MR TEAM 1 RADIO CHECK MR SUB 19:17MR TEAM 1 ENTERING PIT TWO BACK-UP TEAMS READY TO GOPIT 19:28 TEAM 1 UNDER OXYGEN FAB 19:31 TEAM 1 ENTERING PORTAL INSTRUCTED TO PROCEED SLOWLY AND REPORT EVERY 500-1000'PORTAL CO RANGED FROM 7-4 AND OXYGEN 20 SMOKE MEDIUM 19:47TEAM 2 DISPATCHED 19:49 BRIEFING OFFICER REALIZED TEAM 1 HAD NO FIRE FIGHTING EQUIP AND WERE ON FOOT 19:55TEAM 1 ORDERED TO RETURN TO SURFACE 20:04 TEAM 2 BRIEFED 20:26 TEAM 1 OUT OF OXYGEN 20:27 TEAM 2 UNDER OXYGEN PROCEEDING WITH TRUCK AND EQUIPMENT

8. INCIDENT TIMELINE 20:55TEAM 2 TOP OF WEST RAMP HEAVY SMOKE 14+CO 21.1% OXYGEN WEST RAMPNO HEAT VISIBLE WITH CAMERA 20:59TEAM 2 APPROACHING TRUCK WITH 4 EXTINGUISHERS HEAT 78-80 F NEAR TRUCK 21:02TEAM 2 SPENT 4 EXTINGUISHERS NOW SETTING UP WATERAT TRUCK 21:15TEAM 2 SETTING UP AFFF EDUCTOR CO 21 OXYGEN 20.9AT TRUCK 21:20TEAM 2 GETTING MORE HOSE AND LADDERAT TRUCK 21:28 TEAM 2 READY TO FIGHT FIRE AT TRUCK 21:41TRUCK COOLING OFF VISIBILITY 20-50' CO 6 OXYGEN 20.9AT TRUCK 21:49 TEAM 2 REPORTED ZERO HOT SPOTS AT TRUCKCO 3 OXYGEN 20.9 21:57FIRE EXTINGUISHED RETURNING TO SURFACEAT TRUCKLEFT WATER ON FOG

9. INCIDENT TIMELINE 22:17 TEAM 3 BRIEFING CONF ROOM 22:30 TEAM 2 OUT OF OXYGEN SURFACE 22:45 TEAM 3 UNDER OXYGEN FAB 22:47TEAM 3 AT BUGGY PARKING NO SMOKE 0 CO 20% OXYGEN BUGGY AREA 22:53 TEAM 3 PARKED TRUCK WALKED TO TRUCK FOR INSPECTION OF SURROUNDINGS NEAR TRUCK NO DAMAGE TO CABLES GROUND CONDITIONS GOOD 22:59 TEAM 3 AT TRUCK 0 CO 20.9 OXYGEN AT TRUCK MASTER SWITCH WAS OFF ONE WHEEL CHALK IN FRONT 23:15 WATER IS OFF RETURNING TO SURFACE WEST RAMP 23:25TEAM 3 OUT OF PIT EMERGENCY DECLARED OVER 23:32 TEAM 3 OUT OF OXYGEN SURFACE 0:03 STENCH GAS SYSTEM RESET EMERGENCY TOTAL TIME 6 HOURS AND 40 MINUTES

10. HOW CIRCUMSTANCE AIDED No Ventilation to Fuel Fire No Personnel Underground With No Personnel UG, Provided Invaluable Training Exercise for Mine Rescue Teams No Ventilation to Fuel Fire No Personnel Underground With No Personnel UG, Provided Invaluable Training Exercise for Mine Rescue Teams

11. HOW CIRCUMSTANCE HINDERED Prevented Mechanic from Working on Flat Tire and Preventing the Fire

12. WHAT WORKED? Our Mutual Agreement with St. Andrews Worked Astonishing Well Our Young MR Personnel Performed Well We have an Experienced Group of Emergency Managers Great Support from Area Mine Rescue Coordinators Our Mutual Agreement with St. Andrews Worked Astonishing Well Our Young MR Personnel Performed Well We have an Experienced Group of Emergency Managers Great Support from Area Mine Rescue Coordinators

13. IMPROVEMENT AREAS Radio Communications at Portal Area Even Though it is an UG Emergency Ensure All Surface Personnel are Aware and Accounted For With Transient Workforce it is Imperative ERP Plans are Reviewed More Often Radio Communications at Portal Area Even Though it is an UG Emergency Ensure All Surface Personnel are Aware and Accounted For With Transient Workforce it is Imperative ERP Plans are Reviewed More Often

14. THANK YOU! QUESTIONS?