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GENERAL43689
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GENERAL43689
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Last modified
8/24/2016 8:12:30 PM
Creation date
11/23/2007 12:33:26 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977004
IBM Index Class Name
General Documents
Doc Date
1/10/2003
Doc Name
Pitch Reclamation Project
From
Homestake Mining Company
To
DMG
Media Type
D
Archive
No
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Pitch Reclamation Project -Sediment Control Ernbankment <br />for the winter and spring of 2001. Implementation of the remedial measures was completed in October <br />2001. <br />1.2 Scope of Work <br />The scope of work for this project consisted of four main tasks. The first task was to observe <br />the embankment and determine if any problems or potential impacts to the safety of the embankment <br />existed based on the occurrence of [he wet area. The second task was to determine alternative <br />measures to correct the seepage problem in order for the embankment to operate safely with the pond <br />at full capacity. The third task was to establish an interim operating level for the pond to function <br />through the Spring 2001 runoff since the preferential seepage path could not be remedied prior to the <br />onset of winter in late 2000. The first three tasks were completed and documented in summary letters <br />to Homestake as the work was completed. The fourth task was to observe construction of the <br />remedial design and prepare an as-built report for record with the CDWR State Engineer's Office. <br />1.3 Scope of Report <br />The scope of this report is to provide a summary of [he work completed and document the <br />construction and as-built conditions of the remedial design. This report includes a summary description <br />and construction guidelines for the remedial work, and a summary of the field revisions made during <br />construction. This report is completed for review by Homestake and for record at the CDWR State <br />Engineer's Office. <br />2.0 SEDIMENT CONTROL EMBANKMENT and POND <br />2.1 General <br />The sediment control embankment is located in the lower elevation on the western side of the <br />Pitch Project area. It is situated on Indian Creek to capture runoff from the headwaters of Indian <br />Creek and from Tie Camp Creek. Most of the project facilities are located in the upper Indian Creek <br />drainage area with the South Pit area and small reclaimed ore and waste storage units being in the Tie <br />Camp Creek area (see Figure 1). The Pitch Mine is currently not operating and has undergone <br />extensive reclamation during the ongoing closure process. <br />The Homestake Mining Company -Z- The Glasgow Engineering Group, /nc. <br />
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