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The Leadville Mill M 1990-057 <br /> EXHIBIT C-MILL PLAN <br /> Page 4-31 <br /> inspections but will proceed if the Division elects not to inspect. The Division will be <br /> provided specific calendar dates following initiation of construction. <br /> TABLE 4-13: CONSTRUCTION SCHEDULE <br /> Activity Duration Inspection <br /> General Site Preparation 2 days No Inspection <br /> Clearing,Grubbing,Topsoil Removal/Storage 10 days CDRMS Optional <br /> Impoundment Excavation/Embankment Construction 20 days CDRMS Inspection <br /> Geosynthetic Clay Liner Installation 5 days CDRMS Inspection <br /> Leak Detection Installation Sump Construction Included with above <br /> Impoundment Liner Installation Included with above <br /> Historic Tailings Placement,Slope Ballast Installation 5 days CDRMS Optional <br /> Tailings Slurry Piping,decant Water Pumps 5 days No Inspection <br /> 4.3. 11 GEOCHEMICAL CONSTITUENTS (6.3.3(2)(b)) <br /> The geochemical constituents of the tailings and the anticipated impacts to ground- <br /> and surface-waters are discussed in Section 14.7 <br /> 4.3. 12 PLANT FACILITIES (6.3.3(2)(a)) <br /> Chemical types and quantities to be used at the TSF, chemical storage and spill <br /> containment and emergency response plans are discussed in Section 14.7.22 <br /> 4.3. 13 DRAINAGE CONTROL (6.3.3(2)(C)) <br /> Drainage control is discussed in Appendix 14-1, Storm Water Management Plan. <br /> handle a 200 year, 24 hF rainfall event (2.47 inehes, per NQAA database), diverting <br /> FLIneff aFOUnd diStblFbed areas, reporting in detention ponds in some areas, and onto <br /> natural existing drainages. Water within diStblFbed areas Will report to the TSF. <br /> ThcTi—arcr^--cvcGm4-FR Et�portions-vrthe Mill Property. Th The northern Portion of the <br /> grade ef the AoFtheffl slope is property Is a moderately steep south facing slope and drains to the s0l:Ath. The average <br /> and the hill slope en the Property ranges from aR <br /> elevation of 9 760f to 9 730f+ The southern portion of the Property *5 a r,+I„sloping <br /> area that drains tewaFd the sebithwest and west. The average grade of the seutheFR <br /> 1 3 d to hill slope th. +h +' of the r+ from <br /> JTi7�^ f7�TTa�TLT c.�TTfTr ^u[77iTll--�TR�� C�TOI Tg'C�' <br /> 0 73nf+ to 0 7nnf+ at the southwest Property <br /> 22 Texted added to support AlAR1Q12 <br />