2008-06-09_PERMIT FILE - C1980007 ‎(5)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 6/9/2008
• Doc Name: Exhibit 79 Deer Creek Shaft and E Seam Methane Drainage Wells Project Final-August 2007
• Section_Exhibit Name: Exhibit 80 Drilling Activities - TR111
• Media Type: D
• Archive: No

Alternatives Considered in Detail
further refined to eliminate 1 mile of road
• associated with the Dry 1=ork Lease (COC-
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this chan~~e was to ensure consistency ~~'ith the
Roadless Area Conservation Rule of ~UU 1.
Methane draina~~e ~~~ell locations are still
analyzed in the West Llk IR,A Proposed Action
Alternative. Some of the proposed locations
were moved adjacent to existing life of mine
~
in 1 R.A. Other
roads to avoid road construction
locations are still analyzed as the Deed exists to
continue mining operations in those areas and
Othel' teCllIlology may become available ~+~hich
allows construction of locations and drillin~~ of
wells without the construction of roads to
access them.
Additional 1'eCOmmeildat1o11S were made by
Colorado Division of Vvildlife in a project
meeting with regard ropost-project road use.
resulting in reclamation by obliteration of an
existing full-sized road ~~ hich vas duplicative
in purpose to another existing full size road
(Poison Gulch, 7l l .•'C). The Paonia Ranger
• District, also in the process of a Travel
Management Plan EIS, proposed to close the
Poison Gulch Road to full-size traffic and
Illalntalll It on the 5ysteril aS all Al V trail ~~•hich
would al]ow more public access than it
cun•ently gets as a system road behind a locked
gate for much of the year.
Specific activities involved in the Proposed
Action are given below:
Deer Creek tihaf't includes:
ConsU-ucting a ventilation shalt to create
an airshaft 2U to ?8 foot diameter by -~00
feet deep (Figure 4).
Constructing an emergency escapewa_y 6
to 6.~ feet in diameter by -l•UO feet deep.
Consu-ucting an enclosure (20 foot by 30
foot steel-sided shed) for the emergency
escapeway and electrical ~~enerati~m
e(luipment for emergency escape hoist.
Performing Operations and Maintenance.
Perforn~ing interim reclamation OIl pad
and light-use (low-volume) road once
shaft and emer~~ency structures are
constructed; and
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The Proposed Action includes analysis of the
]Host surface disturbing method ilf shaft
construction (conventional methods). However.
construction activities, as planned. may be
significantly less disturbing to to the use of
differing technology.
~Ilaft and escapeway «~ould use a Disturbed area for the shaft is estimated to be ~
• ~~r~viously approved and constructed pad acres. Sub-soil stockpile is anticipated to be
gild access road southeast of Milu~esota piled directly east of shafts. The only tacilities
'reek Reservoir (Figure 3). visible im the surface associated with the
Deer Greek Ventilation Shaft and E seam Methane Draina~*e V1'e11s f=L•1S t ~
• Sealing airshatt and esrlpeway with
concrete steel structure 10 feet bclo~~'
ground surtace and perf0l'llllilg tinal
surface reclamations when no longer
needed at end of life of mine (mine life
estimated at 13-1> years).