2008-04-22_PERMIT FILE - C1981017 ‎(10)‎

• Permit No: C1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 4/22/2008
• Section_Exhibit Name: Chapter II-B Appendix II-B-5 Part 2
• Media Type: D
• Archive: No

_._ - .. c _ ~ .. 55

1`.a, 1988
pR,;~Uc:E~„ OF • •• = ~h'fOUS C^el S~SIN COKI•+G COAL
1058 C0~lN7Y ROAD 100 • 6OX 500
CARBGNDALE, COLORADO 81623
~'~:. C~;n~lace T}:o:npson
II~•drologist
dined Land Reclamation
1:113 Sherman Street, Room 423
D~ arer, CO (30203
..' . ';~~~ ~ :38 - 022
TLX
<S :721
FAX
13i~3; 903-25 .6
.. ,. - :.alt of the above. rc•ferc:nced '~OV ~1id-Continent Resc~urcc:s
c; ..:;aired to submit a plan detailirrg methods we intend to use
}_~:~dle rc-fuse in a controlled :Wanner until the extension of
t ::e ~' Il~'el`OC can be installed. The purpose of this letter is to
o~.t ? ir;e th::s F>lan to the Di~:~ision.
• 1': _ icy. i}_:e problem that ow e::ists at the Sutey Films is ~}:~
_~~~, ;;
t. •,, s~.vt. that has E,een dug out at the. existing di~r~harge I••,r±nt.
;; :• ~ ~c ~ ated this hole ahead of time to al loc, corest rust i on cif ' }-.e
nc c; t;c•I t. to t~roceed in a timely 1"anner. As a result of this ' :: :Y
strut tieing excavated, an upward slope now exists in all
dire-coons around the refuse c3iseharge p<:;rrt. Turing dry +,?a'}:~~r
this poses no problem with refuse .disposal. Fioti;e~•er, as we r;ct.ad
during your inspection, when we experience a large snowmelt or
p:-ecipitation event the water flows from the edge of the
c}_=L~ression back down to the conveyor building area. In order to
t3;<-gent any more problems with run-off until the new belt is
~•.rstructed ~iid-Continent proposes to implement the following
pi~;n.
i'~ A ditch sized to carry a 100 yr/24 hr precipitation event
,.''. }:e plac~:d from the conveyor building down along side the
.-: ;; •,.~vor accr-ss and to the ponds.
2) A s:~all interceptor ditch will be placed on the south
' :: of tLe ,ii sc:}:;~rt;e area ~; in refuse) in order to pick--up ny
_;. -. ~'; ;ir::.+,e .::,d <~or;~~~y it to the 1C0 yr ditch. .This ditch t,•ill
t•,. ....•i.^.tai;;.>d nn t~ t}:-il}~ basis.
3i i}:~: entire area of depression will have a positive slope
;; };e .;r :',r-r cif 1 a to the 100 rear ditch. This will prevent
_. .' .:g ~~f ~•.::t ~•r~ <~n t}:e r ef::sc, pile.
_ ~,;• •- t. •-~::~c n }tas now cn~}ed there :>h~~uld }; e. no pry-.tilt ru
...'f}:.._:,<,;is :rt t}-pis :,rea t;ith the aborP T~.:dificatic,r;s ~n t~ln~-e.
lfi2
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