2021-09-27_REVISION - M1990057 - Laserfiche WebLink

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Mr. Dustin Czapla 18 CDRMS September 24, 2021 Table 4 Volume of Solution Containers Vessel E.Q. List# Size Size Width Length Height Diameter Vol. Cu Gallons ft Fresh Water Storage 700-TK-001.1 10, 10, 790 5,900 700-TK-001.2 11' 8' 550 4,100 Crusher Sump 100-SP-001 2' 2' 2' n/a 8 60 Reclaim Tank#1 700-TK-002.1 307 2,300 Reclaim Tank#2 700-TK-002.2 214 1,600 Ball Mill* 200-BM-001 5' 4' 31 232 Ball Mill Sump 200-TK-001 1 361 2,700 Leach Thickener 200-TK-002 8' 12' 904 6,762 L. Thickener Overflow 200-TK-004 27 200 Ball Mill Area Sump 200-SP-001 2' 2' 2' n/a 8 60 Leach Tank#1 300-TK-001 31' 15' 5,475 40,953 Leach Tank#2 300-TK-002 31' 15' 5,475 40,953 Leach Tank#3 300-TK-003 31' 15' 5,475 40,953 Leach Tank#4 300-TK-004 31' 15' 5,475 40,953 Leach Area Sump 300-SP-004 2' 2' 2' n/a 8 60 Leach Holding Tank 350-TK-005 24' 12' 2,713 20,293 Pregnant Soln. Tank 400-TK-001 668 5,000 Vacuum Tower 400-VT-001 11' 2' 35 262 Lead Nitrate Mix Tank 400-TK-010 13 100 Merrill Crowe Area 400-SP-005 2' 2' 2' n/a 8 60 Sum Re Pulp Tank 500-TK-001 9' 9' 572 4,279 Detox Tank#1 500-TK-002 9' 9' 572 4,279 Detox Tank#2 500-TK-003 9' 9' 572 4,279 Detox Area Sump 500-SP-006 2' 2' 2' n/a 8 60 Refining Area 0 Sum o t. Cyanide Mix Tank 700-TK-003 53 400 Cyanide Day Tank 700-TK-004 53 400 D.E. Mix Tank 400-TK-002 27 200 Ferric Sulfite Mix Tank 800-TK-002 13 100 Floc Mix Tank 800-TK-003 13 100 Floc Day Tank I 800-TK-004 27 200 227,796 *Ball mill lays on its side, therefore solution volume=1/2 of total volume b. Details regarding tertiary containment if any. Response Tertiary containment is the TSF. We need 341,700 gallons of capacity (150% of total solution) for a catastrophic leak event (all vessels rupture simultaneously), and under normal conditions, we are required to maintain three feet of free board. At near maximum capacity of the TSF, the volume required to contain the total contents of the mill will take up less than 1foot of depth.