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GENERAL35313
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Last modified
8/24/2016 7:56:21 PM
Creation date
11/23/2007 8:16:51 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981017
IBM Index Class Name
General Documents
Doc Date
2/2/2004
Doc Name
Stormwater Annual Report-Metal Mining
From
Stormwater Permit Folder
Permit Index Doc Type
Reclamation Project
Media Type
D
Archive
No
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Beaz Creek Project <br />Reclamation at the Beaz Creek Project Area was completed near the central /eastern portion of <br />the Old Refuse Pile during the 1999 construction season: Approximately six acres of steep <br />slopes were reclaimed during the course of this project. <br />Multiple Best Management Practices were implemented in the Bear Creek Project Area, <br />including the use of.severe surface scarification prior to seeding, shrub planting, placement of <br />slash barriers and the use of silt fence. <br />The vegetative cover at this azea is visually estimated to exceed 60%. As reported in 2001, a <br />cattle enclosure was constructed around the azea in 2001. Excluding the cattle resulted in <br />significant vegetative establishment within the azea. Because the vegetative cover is effective at <br />minimizing erosion at the area, evidence.of off-site sedimentation were not observed in 2003. <br />East of Road A Project Area <br />Reclamation construction was completed in this azea during 1999. Best Management Practices <br />implemented during and following reclamation construction included the use of severe surface <br />roughening, placement of silt fence, construction of small earthen berms and the placement of <br />weed free straw bales. Vegetative cover in this azea was visually estimated to average 50%, well <br />exceeding the pre-reclamation cover of 5%. The land form and vegetative cover aze effectively <br />controlling erosion in this azea. Evidence of off-site sedimentation at this location was not <br />observed in 2003. <br />Reclamation construction was accomplished at a steep 1.5 acre azea near the easterly portion of <br />this azea. The slope, which was highly erosive, and.supported virtually no vegetation, was <br />reduced to 2.5 H : 1 V. Following slope reduction, topsoil was applied to the azea, and it was <br />then severely scarified using heavy equipment. Revegetation was accomplished, and the area <br />was fenced to exclude cattle. During and following reclamation construction, the Project Area <br />was protected by silt fences and straw bales placed at the toe of the slope. A temporary upland <br />diversion was used to minimize stormwater run-on during construction, while a more permanent <br />diversion was constructed following completion of reclamation. The land form and vegetative <br />cover aze effectively controlling erosion in this, azea. Evidence of off-site sedimentation at this <br />location was notobserved in 2003. <br />West of Road A Construction Area <br />Final reclamation of this area was accomplished in 1999: Again, multiple Best Management <br />Practices were implemented in the West of Road A Area, including severe surface roughening, <br />construction of small ridges built perpendicular to the fall of the small hill slope at the southern <br />portion of the azea, silt fence placement and the use of weed free straw bales. No problems or <br />maintenance needs were observed in this azea following multiple inspections. Vegetative cover <br />was visually estimated to be established at 60%. The land form and vegetative cover are <br />
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