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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 /> BREACH PROGRESSION <br /> BEST SOIL PARAMETER CAS <br /> 100 FT BERM <br /> H.-E Tab1� <br /> Rn#cr Surf_ Hamad Cut H.tad Cut a_a Cut Tail rat- <br /> =i�c Sicv a#ina 9t atioa 6.z�z E1za_ Stability E.L-13ioa <br /> [bra} (mod-) {f <br /> o_So 9fi EB_13 122.00 45B7_11 0 4555_OO <br /> 0_75 9fi EIS_1E 122.00 45B4_B7 0 4655_OO <br /> 1_00 943 EB_22 L22.00 45B1_BB 0 4555_OO <br /> 125 9fi EE_2E 12fi_15 467E_21 1 4fi5fi_00 <br /> 1_5❑ 9fi EIS_95 11B_75 4675_54 1 41555_00 <br /> 1_75 9EEB_91 L139.57 4667_BO 1 4555_OO <br /> 2.1313 4€EE_4€ 99.26 4661.20 1 4555.00 <br /> 2.25 569E_52 E7.53 4656-00 1 4555.00 <br /> 2511 4fi ES_5E 74.44 4655_00 1 4fi515_00 <br /> 2_75 4EEB_59 59.99 4655_00 1 4655_OO <br /> 3_O❑ SEEB_59 44.30 4655_00 1 4655_00 <br /> 8.136 4€00.72 96.6E 4656-00 1 1656-00 <br /> 2_12 4€EE_75 2572 4655_00 1 S656_00 <br /> 3_19 4€59_5fi 21.15 4655_00 1 4655_00 <br /> 2_25 5€E2_90 22.50 4555_00 1 4655_00 <br /> 3_81 5E61_77 2.77 465fi_-DU 1 4656_00 <br /> 3_213 4E58_13O O.00 4555_00 O 4555_OO <br /> 3_99 4ESB_19 O.00 4655_00 O 4555_OO <br /> 2_511 955B_17 4.00 4555_00 0 4fi56_00 <br /> 2_75 4:5E_5❑ 8_,OO 4656_00 0 4fi56_00 <br /> 9_O❑ 95E_fi7 O.00 4656_00 0 41556_00 <br /> 9_25 4E5B_97 O.00 4655_00 O 4655_OO <br /> 9.5❑ 4:59.22 O.00 4656-00 0 4655.00 <br /> ,25 459.2E 0.00 4655.00 0 4655.00 <br /> 5_1111 4E59_52 O.00 4656_00 0 4656_00 <br /> 5_25 4659_79 O.00 4655_00 0 4655_OO <br /> 5_511 4659_96 4_,OO 4655_00 0 4655_00 <br /> 5.75 4650.19 0.00 4655.00 0 1655.00 <br /> 6_1111 4660_39 8.8E 4556_00 0 4656_00 <br /> 6_25 9fifi0_91 O.00 4555_OO 0 4655_0O <br /> 6_511 4550_92 4_0O 4555_-DU 0 4655_00 <br /> 6_75 4Efi0_9E O_iO0 4656_00 0 4656_00 <br /> 7_O❑ 4Efi0_99 O_iO0 4656_00 0 4656_00 <br /> 7_25 4Efi0_5O O.00 4655_OO 0 4555_OO <br /> 7_511 9660_9€ 4_0O 4555_00 0 4655_00 <br /> 7_75 9660_97 0-00 4555_-DU 0 4555_00 <br /> E_00 4660_44 8.8E 4656_00 0 4656_00 <br /> E_25 9550_95 0.40 4655_OO 0 4655_OO <br /> E_50 9fifi0_54 O.00 4655_00 0 4655_00 <br /> B_75 45fi0.56 0.00 4655.00 O 4655.00 <br /> 9_0❑ 4Efi0_57 O.00 4656_00 8 4656_00 <br /> 9_25 4E5O_59 O.00 4655_00 0 4655_00 <br /> 9_511 4550_5E O_OO 4555_00 0 4655_00 <br /> 9_75 4660_fi0 O_i00 46515_00 0 4656_00 <br /> 10_00 4660_60 O.00 4555_00 0 4655_00 <br /> 10_25 9550_51 O.00 4555_00 0 4655_00 <br /> 10.513 9660.50 0.40 4656-00 0 1655.00 <br /> 10_75 4660_62 8.8E 46515_00 0 4656_00 <br /> 11_00 9660_fill 8.8E 4656_00 0 4656_00 <br /> 11_25 94360_52 p_O{i 4655_00 0 4655_00 <br /> 11.50 9560.93 O.00 4655.OU 0 4655.00 <br /> 11.75 95fi0.99 0.00 4655.00 0 1655.00 <br /> 12_00 9fifi0_26 O.80 4655_00 0 4656_00 <br /> 12_25 4660_17 O.00 4655_00 0 4655_00 <br /> 12_511 4660_OB O.00 4655_00 0 4655_00 <br /> Pagc 1 <br /> pg. 34 <br />