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_INSPECTION - C1994082 (77)
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_INSPECTION - C1994082 (77)
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Last modified
11/9/2020 6:32:22 AM
Creation date
7/1/2009 10:02:05 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
INSPECTION
Doc Name
Inspection Report
Inspection Date
6/16/2009
Email Name
DTM
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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III. COMMENTS - COMPLIANCE <br /> Below are comments on the inspection. The comments include discussion of observations made <br /> during the inspection. Comments also describe any enforcement actions taken during the inspection <br /> and the facts or evidence supporting the enforcement action. <br /> General Comments <br /> This was a complete inspection of the Yoast Mine, conducted over the course of three days. Roy Karo, Seneca <br /> Coal Company(SCC) Reclamation Manager, was present during most of the inspection. On the morning of <br /> 6/18, 1 accompanied Dr. Bob Musselman of the Forest Service Rocky Mountain Research Station (RMRS)and <br /> Dr. Frederic(Skip)Smith, Forestry professor at Colorado State University, to view study plots located within two <br /> fenced woody plant establishment sites at Yoast. Dr. Musselman has established replicated experimental <br /> aspen and serviceberry weed barrier fabric plots in cooperation with Seneca Coal Company within the two sites. <br /> Additional RMRS/SCC weed barrier fabric plot replications are located within woody plant establishment areas <br /> at the nearby Seneca II-W mine site. Roy Karo did not accompany on the study plot viewing portion of the <br /> inspection. <br /> Weather ranged from mostly clear to mostly cloudy, with a few periods of rain during the course of the <br /> inspection. There had been heavier rains prior to the inspection (on 6/15), and there was overnight rain on <br /> several nights during the week. Ground conditions ranged from moist to muddy. <br /> Availability of Records <br /> Records were checked in the Seneca Mine Office on the afternoon of 6/18/09. Required records were on file <br /> and up to date through the 1 s`quarter, 2009. <br /> Roads <br /> Road surfaces were somewhat soft during the morning following over-night rains, but dried fairly quickly and <br /> were generally in good condition. Seasonal maintenance of ditches and road outlets has been initiated, but <br /> progress has been slowed by rainy conditions that have lasted through most of May and June. The following <br /> sites were noted during the inspection where maintenance is warranted: <br /> • Outlet erosion below LU3A Culvert EX-5 (flow from culvert and over road scoured along and adjacent to <br /> channel; possibly a snow drift"jump out'). The road ditch from the LU3A location up to beyond the <br /> fenced SP-07 fenced shrub plot is incised. Ditch repair and stabilization (riprap, low rock checks, or <br /> TRM) is necessary and additional supplemental culverts with stabilized outlets would appear to be <br /> warranted along this segment. <br /> • Gullied down drain segments associated with water bars along the temporary road segment <br /> immediately to the north of Channel YPM-8(noted on 2009 Rill and Gully Map). <br /> • Flow from the upper segment of Channel YPM-8 runs for a short distance along a segment of <br /> temporary road ditch (the temporary road to the lower Pond 12 watershed). The ditch segment is <br /> eroded down to the location where a water bar diverts the flow of YPM-8 across the road to the steep, <br /> TRM lined segment of the channel. The eroded ditch segment along the temporary road will need to be <br /> repaired and stabilized. Ultimately, this section of the YPM-8 channel will need to be reconstructed in <br /> association with reclamation of the temporary road. <br /> • Rill erosion from concentrated flow along a lower segment of the temporary road in the lower Pond 12 <br /> watershed was noted in the previous inspection report; rill repairs and water bar installation along the <br /> road are warranted. <br /> Hydrologic Balance <br /> Sediment Ponds <br /> Sediment Ponds 10, 11, 11A, 12, 12A, 13, and 14 were were inspected. Pond 11A level was 6" below top of <br /> riser; no discharge. Pond 14 level was a few inches below top of riser; no discharge. Pond 13 level was 3" <br /> below riser; no discharge. Ponds 10 and 12 were discharging clear flow, Pond 12A not discharging. <br /> 3 <br />
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