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<br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br />J <br /> <br /> <br /> <br />Third Party Oversight S Water, Waste & Land, Inc. <br />San Luis Mine January 10, 1993 <br />2.4 TECHNICAL SUBMITTALS <br />As part of the third-party review, the following technical submittals were reviewed at <br />the request of DMG: <br />• Tailings Impoundment Update to Construction Status Report AppencJices (BMRI, <br />1993r). <br />• Technical Revision No. 16 (BMRI, 1993s). <br />• San Luis Project Tailings Impoundment Construction Report (SRK, 1 991). <br />• San Luis Mine Phase II, Raise I Design Report (SRK, 1993a1. <br />• San Luis Project Phase II Raise I Design Report (SRK, 1993b). <br />• Construction Status Report, San Luis Project Tailings Disposal Area, Please II, Raise <br />I (SRK, 1993c1. <br />• Drainage Blanket/Liner Cover Layer Permeability Memorandum (SRK, 1993d). <br />• Cold Weather Construction Activities Letter (SRK, 1993e). <br />The technical issues from those documents pertaining to the three mate~ials in Table <br />2.1 are outlined in subsequent section of this report. Issues requiring resolution tre the actual <br />in-situ permeability of the liner cover/drainage layer material, laboratory confirmation of field <br />permeability test results for the low permeability material, and the installation and monitoring <br />of the Phase II Raise I Embankment piezometers. <br />