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Twentymile Coal, LLC <br />SOW — 9 East Bleeder Exhauster Borehole <br />August 6, 2015 <br />Bid Form — 9 East BH #2: <br />Bleeder Exhauster BH SOW 9 East 080615.doc Page 8 <br />Units <br />Quantity <br />Unit Rates ($) <br />Total ($) <br />Mobilization <br />LS <br />1 <br />Crew rotation costs <br />LS <br />1 <br />Crew per diem per day <br />Day <br />Purchase and install 32" <br />by 60' surface conductor <br />casing <br />Feet <br />60 <br />Drilling activity — 22" <br />nominal bore from 60' to <br />1150' depth <br />Feet <br />1090 <br />Install and grout 16" OD <br />casing to 1150' depth <br />Feet <br />1150 <br />Option 1 to seal off water <br />inflows with cement plug <br />LS <br />1 <br />Option 2 — Ream to 700' <br />:om 22" to 30" diameter <br />Feet <br />640 <br />Option 2 - Install 700' of <br />24" OD casing and grout <br />to seal off the water <br />Feet <br />700 <br />Standby rates <br />Hour <br />20 <br />Demobe <br />LS <br />1 <br />Equipment <br />LS <br />1 <br />Other/Misc. supplies <br />LS <br />1 <br />Total <br />Bleeder Exhauster BH SOW 9 East 080615.doc Page 8 <br />