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2009-11-06_REVISION - M1986061
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2009-11-06_REVISION - M1986061
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Last modified
6/15/2021 3:06:04 PM
Creation date
11/9/2009 8:10:16 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1986061
IBM Index Class Name
REVISION
Doc Date
11/6/2009
Doc Name
Amendment application
From
Oldcastle SW Group, Inc.
To
DRMS
Type & Sequence
AM2
Email Name
SSS
Media Type
D
Archive
No
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Table D-1 Acreage Distribution <br /> <br />Acreage Gravel As Of July Overburden Overburden Needed <br />Fines That Will <br />Years of <br />Mining Area (acres) 2008 Remaing Remaing For Reclamation Produced (tons) ) Mining <br /> (Tons) (Tons) (Tons) <br />Mining Area <br />#1 26.06 156,240 168,000 481,541 95,760 0.3 <br />Mining Area <br />#2 58.02 456,816 368,400 166,333 279,984 1.0 <br />Mining Area <br />#3 6.83 178,550 191,990 115,799 109,434 0.4 <br />Mining Area <br />#4 10.54 275,537 296,277 178,701 168,878 0.6 <br />Total 101.45 1,067,144 1,024 667 942,374 654,056 2.4 <br />2. Mining Timetable <br />The following table (Table D-2) is a best estimate of the sequence of operations for the life of <br />the mine and is based on mining and selling an amount of 450,000 tons per year, for the duration <br />of the pit life. This is an estimate, which could vary depending on market conditions. <br />Table D-2 Cugnini Pit Mining Sequence <br /> Production per Length of time to <br />Year phase Comments <br /> year(tons) complete months <br />2008- Mine out Mining Area 1, place overburden on pit <br />4 <br />2009 450,000 1 floor in the Center Pivot Field area. <br /> Stockpile the topsoil from the northern portion of <br />2009- Mining Area 3, push the remaining overburden 4 <br />2010 from Mining Area 3 into the Center Pivot Field of <br /> 450,000 2 Mining Area 1. <br />2010- Mine out Mining Area 2 and place the overburden <br />2012 in the Valley Fill 2, Center Pivot Field and the base 12 <br /> 450,000 3 of the excavated face along the perimeter of the pit. <br />2012- Mine in Mining Area 3, Place the the overburden <br />2013 along mined slope and backfill the Mining slope to 4 <br /> 450,000 4 2H:1 V. <br />2012- Mine in Mining Area 4, Place the the overburden <br />2013 along mined slope and backfill the Mining slope to 8 <br /> 450,000 5 2H: i V. <br />2013 Distrubute any overburden stockpiles to reduce 3 <br /> - 6 slopes through out the pit. <br />2013 - 7 Remove facilities 0.5 <br />2013 [Disc overburden, replace topsoil and seed. Mulch 1 <br /> 8 rangeland areas. <br />Cugnini Pit, November 2009 D-3
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