2011-12-06_REVISION - C1980001 ‎(3)‎

• Permit No: C1980001
• IBM Index Class Name: REVISION
• Doc Date: 12/6/2011
• Doc Name: Proposed Deciision and Findings of Compliance
• From: DRMS
• To: Chevron Mining, Inc
• Type & Sequence: RN6
• Email Name: JHB
• Media Type: D
• Archive: No

12. Based on information provided in the application, the Division has determined
that alluvial valley floors exist within the permit or adjacent areas. Alluvial valley
floors exist along Trout Creek on the western permit boundary, and along Oak
Creek east of the permit boundary. Only the Trout Creek alluvial valley floor is
affected, resulting in possible water quality impacts [Rules 2.07.6(2) and
2 06 .8( 3 )(C)]
For 'additional specific findings concerning alluvial valley floors, please see
Section B, Part VIII of this document.
13. The Division has previously approved the post- mining land use of the operation.
It was determined that a restoration to rangeland and wildlife habitat meets the
requirements of Rule 4.16 for the permit area [Rule 2.07.6(2)(1)]. Post - mining
commercial and agricultural land -uses for the Oak Creek facilities area also meet
the requirements of Rule 4.16.
•
14. The Division has contacted the Office of Surface Mining, Reclamation Fees
Branch. As of this time, Chevron Mining, Inc., the operator, is current in the
payment of reclamation fees required by 30 CFR Chapter VII, subchapter R.
' [Rule 2.07.6(2)(o)].
15. The Division finds that the activities proposed by the applicant would not affect
the continued existence of endangered or threatened species or result in the
destruction or adverse modification of their critical habitats [Rule 2.07.6(2)(n)].
16. Specific approvals under Rule 4 have been granted or are proposed. These
approvals are addressed in the following section, Section B [Rule 2.07.6(2)(m)].
SECTION B Findings and Specific Approvals Required by Rule 4
I. , 'Roads - Rule 4.03
A. Haul Roads. All haul roads have been reclaimed completely or to the
criteria established for permanent retention; and have been previously approved
for Phase I bond release.
1. The applicant made a demoristration,'based on site specific
precipitation rates, percent of grade, and soil properties, that use of
alternative specifications for culvert and bridge sizing will not
result in increased erosion. Along selected segments of the haul
road in the` Moffat Area, the spacing of culverts was in
compliance with Rule 4.03.1(4)(e)(vi).'A variance was granted
based on the following findings:
C1980 -001 Edna Mine Permit Renewal No. 6 18
Stable road'embatikments were designed;