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T~ ~~~ ~ -. <br /> <br />nOi1D-CONTINENT RESOURCES, INC. <br />PRODUCERS OF THE FAMOUS COAL BASIN COKING COAL <br />/ 1058 COUNTY ROAD 100 • BOX 500 <br />CARBONDALE, COLORADO 81623 Tex <br />45-0724 <br />~v1AIN OFFICE (303) 963-2581 <br />FAX <br />~;ISTRICT OFFICE (303) 963-0555 (303) 963-2816 <br />AREHOUSE (303) 963-3223 <br />August 10, 1988 ~ ~ ~ ~ ' ~ ~ D <br />4~ <br />'` h9s. Candace Thompson /~U~ 121968 <br />Hydrologist MINED LAND <br />Mined Land Reclamation (DECLAMATION DIVIgICN <br />- 1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Re: Minor Revision Request for # 4 Fan Addition <br />Dear A9s. Thompson, <br />~9id-Continent Resources hereby requests a minor revision to <br />Fermit #C-017-81 in order to allow an addition to be built onto <br />our #4 Fan located at #2 Mine. <br />In the past few months we have recognized the need for mare <br />_ ventilation in the M-Bed. After reviewing several options it was <br />decided that the best option would be to drive a new entry out <br />--~~, near our #4 fan and build a concrete and steel connection to the <br />existing fan (figure 1). <br />The new portal area as shown on map 1 will occupy an area <br />approximately 40' by 25' or .02 acres. Much of this area has <br />already been disturbed when the original #4 Fan was constructed. <br />It will be necessary for us to remove the existing stockpile of <br />dirt near the fan and new material at the face-up area. This <br />small amount of material will be used to shore up the berms <br />around the fan site. As I pointed out to you during the last <br />inspection there is no available top soil at this site. <br />Because the area of disturbance is very small we are asking for a <br />small area exemption at this location. <br />The bonding calculations for this site is as follows: <br />Fortal Sealing = $500.00 <br />Structure Removal-3360 cu. ft. x $.13/cu.ft. _ $436.80 <br />Final Grading - $70.00/ac. x .02 ac. _ $ 1.40 <br />Topsoil - .5'x .02ac. :~ 43560 x $.85/yd = $ 15.30 <br />.9(swell factor] x 27 <br />Revegetation - $1395/acre x .02 acre = $ 27.90 <br />Indirect Cost @ 200 <br />Total Bond Cost <br />=$1177.68 <br />This minor revision request should be placed in Volume II, <br />Appendix II-B-6, }'age 7 in our permit application. <br />Sub-Total = $981.40 <br />_ $196.28 <br />.~r <br />,~ ~_ _ ~ _ <br />