PERMFILE56874

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: 2.05 Minimum Requirements for Operation and Reclamation Plans
• Media Type: D
• Archive: Yes

Stir - 2.05.4
Reclamation Schedule -The following s++mm~n~rs the timing of the future final reclamation activities
for the Elk Creek Mine area, beginning with the decision to abandon the site:
Yeaz 1 - The mine portals and shafts will be sealed and backfilled. Associated stmctures,
facihties, and equipment, including foundations, will be dismantled, demolished,
and either removed from the site or buried on site. All or portioas of the Elk
Creek culvert maybe removed, as appropriate and the associated stream channel
segments reestablished.
Year 2 - Disturbance areas will be regraded to the design final configuration, available soil
materials will be replaced, and the reclaimed areas will be seeded and mulched.
Reclamation Costs - A summary of the costs for reclaiming the Elk Creek Mute facilities azea u
provided in Exhibit 2.03-E3, Insurance and Bonding Information.
Coal Mine Reftue Piles -The two coal mine refuse piles; the East Yard Refuse Pile, located neaz
the backfilled Somerset Mine GSeam portal; and the West Valley Coal Reface Pile, located in the fast
drainage west of Elk Creek, have been designed and constmcted as permanent structures. As an
integral pan of pile construction, completed pile areas are continuously or periodically reclaimed.
Reclamation involves grading bench outslopes to the design configuration (<2I-L1V), grading bench
surfaces to promote effective drainage, placing a minimum of 4 feet of suitable cover material, and
seeding and mulching the reclaimed benches and outslopes to protect and stabilize the cover material
Because the refuse piles are designed as perrrranent structures, all associated drainage and sediment
control structures (except the sedimentation pond associated with the West Valley Coal Reface Pile),
including undisturbed drainage diversion ditches, disturbed drainage collection ditches, and rock
under-drains will be retained.
• Roads and Powerlines -With the exception o[ the following roads or road segments that will be
retained to provide long-term access in conjunction with the postntinutg land use, existing and
proposed mine roads will be removed and the associated disturbance areas reclaimed during final
grading operations:
• Affected segments of Bear Creek, Lower Hubbard Creek, and Upper Hubbard Creek
roads
• Somerset Cemetery Road
• Sanborn Creek Road
• Elk Creek Road
In addition to the identified major roads, there is a network of exploration, powerline
construction access, and degassificaaon well access roads within the OMI permit area. Many of
these roads are pre-law roads constructed prior to 1976 and a number of the roads are utilized to
access existing public facilities (powerlines and waterlines) and adjacent private and public lands.
Prior to final site reclamation, OMI will delineate and identify all existing roads and will attempt to
identify any ongoing use and access requirements associated with individual roads or road segments.
Any roads that were constnrcted subsequent to August 1977 that are no longer required for
continued access will be reclaimed by blocking access with berms, racks, or by other means,
establishing passive drainage controk (water bars and/or ditches), and ripping and seeding road
• surfaces. Any pre-law roads or roads required for ongoing access will be retained. For any roads
retained on OMI lands to provide access to adjacent public lands, OMI will work with the land
management agencres (BLM and USFS) to develop and execute any necessary easement agreetrnnu
that maybe required for long-term access and maintenance.
PR04 2.05-65 Revised August 2000