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  1. N ventilation shaft TEAM MAP warehouse D CX 3 shop CX 2 CX 1 C Entry 1 Entry 2 Entry 3

  2. N D ramp (8% downgrade) PROBLEM MAP spare vent bag and installation / repair tools barricade ventilation shaft water over knee deep warehouse electric water pump & pump controls water knee deep shop fan shop water ankle deep CX 3 shop fan control 2 sets of brattices CX 2 vent tubing vent bag auxiliary fan 1 set of brattices CX 1 C auxiliary fan controls caved air tight fresh air base Entry 1 Entry 2 Entry 3

  3. D 1st VENT CHANGE MAP barricade ventilation shaft warehouse shop fan CX 3 CX 2 vent tubing CX 1 convert check curtain to temporary stopping caved air tight fresh air base Entry 1 Entry 2 Entry 3

  4. D 2nd VENT CHANGE MAP barricade ventilation shaft warehouse shop fan CX 3 extra vent bag and tools retrieved from warehouse; vent bag repaired CX 2 vent tubing CX 1 caved air tight fresh air base Entry 1 Entry 2 Entry 3

  5. PLACARD MAP 28 28a barricade 17 18 16 32 15 27 14 31 26 CX 3 30 13 34 33 29 12 25 11 10 35 CX 2 36 23 9 24 37 8 7 6 check curtain 38 CX 1 5 39 22 20 4 21 40 3 19 41 2 1 Entry 1 Entry 2 Entry 3

  6. Placard Key • Fresh air base • Caved air tight • Caved air tight • Controls for auxiliary fan • O2=19%, CH4=0, CO=2,500 ppm, NO2=5 ppm, Light smoke, (2-sided - - CLEAR AIR) • Auxiliary fan • Vent bag • Haul truck • O2=14%, CH4=0, CO=8,000 ppm, NO2=20 ppm, Heavy smoke(2-sided - - CLEAR AIR) • Ramp, 8% downgrade, down in this direction • Loader on fire (2 sided - - FIRE OUT) • 20 feet of vent bag burned and missing completely • Water ankle deep (2 sided - - blank on the back side) • Water knee deep (2 sided - - blank on the back side) • Electric water pump and pump controls • Water over knee deep (2-sided - - WATER ANKLE DEEP) • O2=14%, CH4=0, CO=8,000 ppm, NO2=20 ppm, Heavy smoke (2-sided - - CLEAR AIR) • Barricade 7’x10’ • Face drill • Check curtain • Check curtain • O2=16%, CH4=0, CO=5,000 ppm, NO2=15 ppm, Heavy smoke (2-sided - - CLEAR AIR) • O2=15%, CH4=0, CO=6,000 ppm, NO2=10 ppm, Heavy smoke (2-sided - - CLEAR AIR) • Loader • Haulage truck • O2=16%, CH4=0, CO=5,000 ppm, NO2=15 ppm, Heavy smoke (2-sided - - CLEAR AIR) • Permanent stopping with door • 20 foot section of vent bag (also 28a Use tape to repair vent bag) • Permanent stopping • Controls for shop fan • Shop fan, airflow in this direction • Ventilation shaft • Permanent stopping • O2=19%, CH4=0, CO=2,500 ppm, NO2=5 ppm, Light smoke (2-sided - - CLEAR AIR) • Brattice materials (2 sets) • O2=19%, CH4=0, CO=2,000 ppm, NO2=5 ppm, Light smoke (2-sided - - CLEAR AIR) • Scaler • Brattice materials (1 set) • O2=20%, CH4=0, CO=1,000 ppm, NO2=0, Light smoke (2-sided - - CLEAR AIR) • Haulage truck • Clear air