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r ENVIRONMENT, INC ~~ - - P.40E 3
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<br />DECEMe°ER 23 2005; :
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<br />.: .. ...,, i., r_ .•,.
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<br />~: r o
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<br />armoring is:heeded'at this time. As mining has moved,~north on the, `!
<br />area west„of the-Plant Site it is'gettng further fsom,the ri~fr rl
<br />an$,no shoigline-armoring~,vri1T• tie needed until: min~~ng i~ 'done on~ "
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<br />thet~~southwe~tern"~=side= of the 'Sharkey's Lakee ~aiea: within; th~~
<br />'~ `:
<br />,~. _`'~
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<br />_ - Reservoir>s~iea.: A:numbe=- of ol;d
<br />car _bbdies were u"sed=-to armor -the
<br />~ ,, s
<br />^~ :,:~
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<br />nor-th riveY.~ barik'iri th'is
<br />area. -` The ears appear t'o` be froiii the - -~ ,:~.-~
<br />1950's and 'have'suryived'the-1.965 and:1973-floods: They have I
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<br />provided` ,adequate ~proteetion for "this' section 'and ,will .no"t 'be
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<br />replaced is the future:. We do
<br />not ..plan to mine within 150~feet ~~~
<br />of the rivei in this area, at"this time: I will. begin to prepare
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<br />a map showing the.-:current armoring 'status along the `liver so'the. I
<br />Division and PS&G will have an idea of where armoring is needed. and
<br />.where it exists at.this time. ;.:'
<br />7`. PS&G submitted the Slurry Wal`1 Design ,to the Division"for. review ~'
<br />and approval on 12/Z/O5: If approved the ,.slurry~;.wa11 will be
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<br />installed and no mining will take place within 'thelined area, gntil .
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<br />£he:Construction 'and Engineers Certification 'is
<br />.:accepted by the
<br />' '.~
<br />- Division and an;, appropriate bond is
<br />submitted and accepted.
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<br />Publication.of,the.rehearing,,began on 11/17/05
<br />and the piblic' „ ~.~
<br />comment period ends '12/28/05. '
<br />~8.~-~ i concur with your"analgsis~up to where, you added the cost of rip "- ~~~
<br />raping thexliver.- This is un-needed aC this_ti-me since the river '
<br />bank•is armored. next to'where mining, is taking.,pTaae and-at is.
<br />armored along the riverside,"of:-the. Sharkey's`Lake.area. where the. ~
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<br />'
<br />- slurry wall will
<br />be installed,-See Exhbit,C=1-TR. =At some-time:°, ;
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<br />• ~ we ,will need. to install the:reservoir side rip-rap'but'that.will, •,j
<br />be s'oinetime"in the'futu-r'e: -I'think-the bond"should b'e $172,099 0`0~ - ,
<br />~or $177,100;.00. To get:this number I used your worksheet antl,took
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<br />the riprap.aosts,oiit and the. recalculated the percentages based on
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<br />$1,.49,`170
<br />that is`"the'. total for Task'Numbers l thru 5,:_
<br />LIST ,OF ATTACHMENTS TO -THIS RESPONSE: - ~ - " . ~ ~ ~ ;
<br />Adequacy Figure 7R-1 (corrected, and devised)
<br />Sharkey Lake; Mining P)aq Map Exhibit C-1 7R (revised) ~ . ~ ~- ~~'
<br />Photos of armoring referenced to,Figure TRr1 (Figure TR-2)
<br />I hope these responses: have addressed'ttie'adequacy,'questions you
<br />had. -I~:uikll place a copy of this pac-ket-with-the-Weld Cou;nty,~Cler,~k of
<br />- the Board as required," If you have any questions pl'ease'call me. ;,
<br /> ,,
<br />Sincerely...
<br />:.Environment;-Inc-
<br />' ~ ~~~
<br />Stevan L:` O'Briaa .
<br />President
<br />cc Platte Sand.& Gravel LLC
<br />file.
<br />enclosures.
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<br />.. ~-_.~>,.., a.. _,~ .c. ]i. e. ~;: t .,.ias~Y.:~e-., ..... [.9. a-.. _` r i -F ~ ._ J _ .. _ - -
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