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Two Rivers Gravel Pit Mine <br /> Riverside Berm Failure Analysis <br /> and Flood Control Mitigation Plan <br /> 7ech"olooicess January 22,2020 <br /> CENTRAL PIT <br /> INPUT DATA <br /> BEST SOIL PARAMETER CASE <br /> 100 FT BERM <br /> (All other WinDAM input data can he obtained from program files upon request.) <br /> Rind- D- 'Analysis Prop- Execution Date-11/2412919 <br /> P-g- Date-01/01/2009 Time-21:11:40 <br /> Lietinq of Iagut Data- Ceatxal Pit IDD :Et Be- - 61=9T <br /> RINIMH a1/a2/2aa90eatxa1 Pit 1DD £t Be= - HEST <br /> OPTION OMET HARESOIL BREACH <br /> C-Z-2 Pit <br /> • Berm xidth = 10D It <br /> + HEST. <br /> v Rd = 1a. <br /> + Hare sail. <br /> HC19C EM 2 115 19 299 0.1 <br /> HY❑ Qlaa HG 0.25 0 9C <br /> a 91.75 B2.5 12.9.25 157 <br /> 250.25 122-5 415.75 500 599 <br /> 700 899 99D 117.9 1459 <br /> 1725 2999 22B7.5 2575 2B52.5 <br /> 2150 94B7.5 2B25 4152.5 4599 <br /> 9625 9759 4B75 5999 5041.75 <br /> 5083.5 5125.25 5167 5292 5417 <br /> 5592 5667 5759.25 5B22-5 5916-75 <br /> 6000 1397S 5159 5225 5399 <br /> 51B3.25 6966.5 5949.7.9 SB22 5798 <br /> 5502 5415B 5222 5249.75 5155.5 <br /> 5083.25 5999 4916_75 4B22.5 4750.25 <br /> 9557 9582.5 45DD 4415.5 4222 <br /> 92aa 99 B3 295D 3833 2798 <br /> 3500 345E 2222 2249.75 21 BB_5 <br /> 2002.25 3999 2B75 2750 2525 <br /> 25aa 245B.25 24115.5 2274.75 2222 <br /> 22aB 2982 195E 1B22 1779.75 <br /> 1726.5 1572-25 1629 <br /> CRESTPRFI <br /> a 4600 <br /> 500 9585 <br /> ENDTkRT.P. <br /> STRODTE 46BB 9555 E= <br /> 5TRUC1= Central <br /> 4600 a LD 4 <br /> E. ABI,E <br /> UPSTPIFAH I Ia <br /> DAM=5T laa 2.BB 3.1 <br /> DFHSTRrAH 1.5 O.a3S <br /> ^^^^^ Warning - D-t- mlope i> >teepex than 2=1_ Pleame check and verify_ <br /> TEIIlRMTER <br /> 4656 a <br /> EN[YrAB= <br /> O➢TP11T A7.7 <br /> EN TrN <br /> Page 1 <br /> pg. 39 <br />