2014-02-07_REPORT - M1980244 (7)

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Cripple Creek & Victor Gold Mining Company Mill Site Earthworks Project Final Report ameO Quality Assurance Monitoring &Test Results January 31, 2014 1.0 INTRODUCTION The Cripple Creek & Victor Gold Mining Company (CC &V) operates the Cresson Project; located in Teller County, Colorado, near the city of Victor. CC &V is owned and managed by AngloGold Ashanti (Colorado) Corp. (AngloGold Ashanti). The Cresson Project is a mining and ore processing facility which is comprised of surface mines, crushers, a lined Valley Leach Facility (VLF), gold recovery plant, and associated infrastructure, all of which were designed and constructed to meet or exceed the requirements established by C.R.S. §34 32 101 et seq. and regulations promulgated there under by the Mined Land Reclamation Board (MLRB). The work associated with the Cresson Project is being performed under specific criteria established in Amendment No. 9 of Permit Number M- 1980 -244 (Permit), as approved by the MLRB. This report documents the Construction Quality Assurance (CQA) and Construction Quality Control (CQC) services provided by AMEC Environment & Infrastructure (AMEC) from October 2011 through December 2012 for the Mill Site Earthworks Project, which is defined in Section 1.6. The general site plan is presented on Figure 1, and the Construction and Geomembrane Installation Limits a presented on Figure 2. 1.1 Project Description The initial Cresson Project was designed in 1993 and constructed in phases since 1994 under Amendment Nos. 6, 7, 8, and 9 to Mining Permit M- 1980 -244. This certification report addresses the addition of approximately 1,517,215 square feet plan area of a portion of the earthen and synthetically lined area north of Phase IV. This area is referred to as the Mill Site Earthworks Project, and was designed to meet the criteria presented and approved in Amendment No. 9. Ames Construction Inc. (Ames) was the earthworks contractor for the Mill Site Earthworks Project. They performed construction activities for the Project from October 2011 through December 2012. Poly -Flex, Inc. and GSE Environmental manufactured the geomembrane used to construct the Mill Site Earthworks. Lone Star Lining Company (Lone Star) completed the installation of geomembrane liner from October 2012 through November 2012. Messrs. Ron Roberts, Jim Smith, and Scott Redabaugh represented CC &V as the Construction Manager and Construction Superintendents, respectively. All quantities and testing frequencies presented in this report are current as of December 2012, which represents completion of the Mill Site Earthworks Project, as detailed in this report. 1.2 Construction Quality Assurance /Construction Quality Control AMEC provided CQA and CQC monitoring and testing services, and prepared this report describing the results for the Mill Site Earthworks Project. As -built drawings and