PERMFILE137852

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 30 CTL RDA AND DWP CERTIFICATION PART 2
• Media Type: D
• Archive: No

•
l J
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Compaction
Test Report
cuENr. BASIN RESOURCES, INC.
14300 HIGHWAY 12
WESTON, COLORADO 81091
® CTL/THOMPSON, INC.
CONSULTING GEOTECHNICAL
A(`ID MATERIALS ENGINEERS
o, E 11/16/95 Loe No. 22905
REPCmr~r~ 4 s~EEr 1of 3 _
$uB1EL:r FIELDDENSfiYTESTS
REFUSE DISPOSAL AREA
LABORATORY FIELD
TEST DEPTH TEST F.41X OMC DRV MC COM~
NO. LOCATION FEET TYPE DENSITY DENSITY .. PACTION SOIL TYPE
PCF PCF o
1
CURVE NO
.
8
30 GOLDEN EAGLE RDA 6941 NUC 108.0 9.0 114.0 4.0 100 _
_
JOB N0.22905
__ _ _ _ _ CURVE NO. 8
31 GOLDEN EAGLE RDA 6742 NUC 108.0 9.0 116.0 5.3 100 JOB N0.22905
N_E_W ELK DEVELOPMENT _ _ CURVE NO. 9
32 WASTE PILE 7528 NUC 91.0 11.0 97.0 7.9 100 JOB N0.22905
NEW ELK DEVEL_OPMENf_ CURVE NO. 9
33 WASTE PILE 7280 NUC 91.0 11.0 102.0 7.0 100 JOB N0.22905
NEW ELK DEVELOPMENT __ _ CURVE NO. 9
34 WASTE PILE 7278 NUC 91.0 11.0 100.0 1 1.4 100 JOB N0.22905
_ _ __. CURVE NO. 10
35 NEW ELK RDA 7427 NUC 96.0 10.0 95.0 8.3 99 JOB N0.22905
CURVE NO. 10
36 NEW ELK RDA 7479 NUC 96.0 10.0 90.0 12.2 94 JOB N0.22905

i ElEVAl10N IN FEET
SPECIFICATIONS:--90-- - %OF NLl IMUM _ ASTM D 69B
MOISTURE WITHIN _ __ °x O° OPiIp,1U~M
TYPE OF COMPACTION E9UIPMENi AND NO OF UNITS'
(2jDOZERS __ __ _ __
MOISTURE ADDED BY _ . ~ _
THICKNESS OF LIFT INCHES
TYPE OF EAf7TH MGnNG EOUIPMENi AND NO OF UNITS
(2jDOZERS,_(4jDUMP TRUCKS
THIS REPORT PRESENTS OPINIONS FORMED:S A RESULT OF OUR OBSERVATION
OF FILL P WCEM1IEM ~.5 W ELL AS THE IESiS SHOWN ABOVE V/E HAVE RELIED
UPON THE CONIRACIOR fO APPIV THE NECE5541JY COMPACiNE EFFORT AND
n,1015NRE TO ACHIEVE $PEOFIED COMPACTION DVRING IIME$ WHEN OUR
OdSERVFR IS NOT PRESENT. AND AT LOCATIONS OTHER iFWfJ THOSE TESTED
IESI DATA ARE NOi THE 501E BAS15 FOR OPINIONS ON WHETHER THE RlL MEETS
SPECIFlCATIONS.
PROGRESS REPORT AT THE TIME OF OUR SiTE VISiT THE CONTRACTOR HAD 1 DOZER, 7 LOADER AND 2 TRUCKS
WORKING AT THE GOLDEN EAGLE R.D.A. THE FILL APPEARED TO BE IN GOOD CONDITION WiTH NO VISIBLE SOFT
OR WET AREAS. THE MOISTURE CONTENT WAS UNIFORM AND THE SURFACE HAD BEEN COMPACTED AND LEVELED BY
A DOZER. THE CONTRACTOR HAD EXCAVATED A SMALL SURFACE AREA AT THE NORTHEAST END OF THE FILL WHERE
THEY WERE PLACING FINE COAL WASTE FROM SEDIMENTATION PONDS FOR DRYING. THERE HAD BEEN NO ACTMIY
AT THE NEW ELK WASTE DEVELOPMENT PILE SINCE OUR LAST VISR. THE EASTERN TWO-THIRDS OF THE PILE
HAD BEEN LEVELED AND COMPACTED BY A DOZER AND APPEARED TO BE UNIFORM AND IN A WELL COMPACTED
CONDITION. (CONTINUE ON SHEET 2 OF REPORT 4j
^ IN OUR OPINION. FILL COMPACTION MEFTS SPECIFICATIONSAS INDICATED BV OUR OBSERVATIONS AND TEST N0151_ _
^ IN OUR OPINION. FILL COMPACTION DOES NOi MEET SPECIFICATIONS AS INDICATED BV OUR OBSERVATIONS AND TEST N0151_
AND SHOULD BE REWORKED
SCOPE OF OBSERVATION: ^ FULL TIME; :X PERIODIC.ON CALL BA515; 'X CONTRACTOR'S OR CLIENTS REPRESENTATIVE ADVISED RALPH LOPEZ
(BASIM
PAUL WIGGS
FIELD REPRESENIATM1'E
PR:BAS
CTL/THOMPSON. INC.
avvRp,eo e/ MARK G. GRAY, P.E.