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2018-03-18_REVISION - C1981022
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2018-03-18_REVISION - C1981022
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Last modified
3/19/2019 9:52:09 AM
Creation date
3/19/2019 9:23:28 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Revision
Doc Date
3/18/2018
Doc Name Note
No application enclosed
Doc Name
Application
From
Savage and Savage
To
DRMS
Type & Sequence
TR77
Email Name
LDS
Media Type
D
Archive
No
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The proposed technical standard revegetation success criterion for "minimum ground cover <br />of living plants ... adequate to control erosion" shall be 20% total vegetation cover. Total <br />vegetation cover shall include live vegetation cover of all plants encountered during the <br />quantitative cover sampling. The revegetation success standard for these reclamation areas <br />shall be; vegetation cover of the reclaimed area will be successful when total live vegetation <br />cover of the reclaimed areas is equal to or greater than 90 percent of the total vegetation <br />cover revegetation success standard, that being 20%, with 90 percent statistical confidence. <br />2.8.4 REVEGETATION SUCCESS CRITERIA: PRE-SMCRA (WITH REDISTURBANCE), <br />INDUSTRIAL/COMMERCIAL RECLAIMED AREAS (CATEGORY D) <br />A number of areas at the mine were disturbed pre-SMCRA, and were subsequently <br />redisturbed after the passage of the Act. These areas have an approved post -mining land use <br />of industrial/commercial and have been developed for that post -mining land use. These <br />areas fall into two categories; A) areas that are regularly traversed and not commonly <br />revegetated for their use e.g., roads, parking areas, industrial/commercial facilities, and <br />similar uses), and B) other areas not subject to active use. <br />The first areas (A) will not have a revegetation standard for final revegetation success, as they <br />have been requested to be left as is, post -mine by the surface landowners, and any erosion <br />from these areas is minimized and controlled by in-place best management practices. <br />For the second set of reclaimed areas (B) that are not actively used, the revegetation success <br />requirement is one of minimum ground cover of living plants adequate to control erosion. <br />The standard has been derived from the USLE equation described in Section 2.8.1. <br />The proposed technical standard revegetation success criterion for "minimum ground cover <br />of living plants ... adequate to control erosion" shall be 20% total vegetation cover. Total <br />vegetation cover shall include live vegetation cover of all plants encountered during the <br />quantitative cover sampling. The revegetation success standard for these reclamation areas <br />shall be; vegetation cover of the reclaimed area will be successful when total live vegetation <br />cover of the reclaimed areas is equal to or greater than 90 percent of the total vegetation <br />cover revegetation success standard, that being 20%, with 90 percent statistical confidence. <br />2.8.5 REVEGETATION SUCCESS CRITERIA: MIXED PRE- & POST-SMCRA <br />UNDEVELOPED LAND RECLAIMED AREAS (CATEGORY E) <br />One area at the mine that was disturbed pre-SMCRA and was subsequently disturbed post- <br />SMCRA to facilitate mine operations is the Bear Creek B Seam Portal facility. This area has <br />an approved post -mining land use of undeveloped land. Given that this location did not <br />have topsoil (or other native plant growth medium) salvaged for reclamation use, and was <br />not entirely designed or constructed with current reclamation standards in mind, it was <br />determined that the requirements of Rule 4.15.10 applied to revegetation standards, that is, <br />the revegetation success requirement is one of minimum ground cover of living plants <br />adequate to control erosion. The standard has been derived from the USLE equation <br />described in Section 2.8.1. <br />The proposed technical standard revegetation success criterion for "minimum ground cover <br />of living plants ... adequate to control erosion" shall be 20% total vegetation cover. Total <br />vegetation cover shall include live vegetation cover of all plants encountered during the <br />TR -77 H-13 Revised March 2019 <br />
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