2009-04-16_REVISION - M1983067

• Permit No: M1983067
• IBM Index Class Name: Revision
• Doc Date: 4/16/2009
• Doc Name: Construction Observation Report- Stagecoach Reservoir Slurry Wall
• From: Deere & Ault Consultants, Inc.
• To: DRMS
• Type & Sequence: SO3
• Email Name: JLE
• Media Type: D
• Archive: No

Stagecoach Slurry Wall Test Sumary
10106/05 to 12/21/05
Slur Mixture Soil-Bentonite Backtill Mixture

Date Test Location Technician
(Station) Marsh Unit Filtrate Sand
Funnel Weight Loss Content
Viscosity pH
Seconds (pcfl (mi/30min) (%) Percent . Percent Percent Moisture
Slump
Station (in.) Passing Passing Passing Content
3/8" (%) #20 (%) #200
10/6/2005 Slur Pond DF 44 66.8 11 8.4
00+00 64 71.8 9 7
10/7/2005 Slur Pond Oc 70 66.8 14 8.4 00+00 4.5 97.6 79.2 39.9 26.2
02+75 58 78.6 13.8 14.5 00+50 7.5 93.2 68.8 33.5 23.1

10/8/2005
Slur Pond
OC
54
66.8
14
8.4 1+81
2+80 5.5
6 97.6
100 79
84.7 37.4
42 26.1
25.6

10/10/2005 6+00
Slur Pond
OC 80
42 83.0
66.1 17
13 16
8.4 3+50
4+50 4.5
7 99.1
98.8 85.6
84.2 40.2
44.6 34.1
26.3

10/11/2005 8+20
Slur Pond
OC/SP 69
39 84.9
65.5 20.8
N/A 26
8.4 5+50
6+50 .5
4.5 95.8
99.7 84.2
54 48.6
40.9 25.4
32.9
9+30 54 811 14 16 7+50 3.25. 94.2 79.3 37.1 29.1
8+50 3.25 99.1 84 38.2 29.8
10/12/2005 Slur Pond SP/OC 41 66.8 16 8.4 10+50 4.5 88.8 65.3 29.7 N/A
12+50 52 85.5 N/A 21.5 11+00 6 89.5 61.4 30 N/A
11+50 6 88.6 60 28.5 N/A
10/13/2005 Slur Pond OC 41 66.8 15 8.3 12+50 6 97.3 68 35.9 22
16+00 61 87.4 16 20 13+50 4.5 97.2 78.1 43.1 24
14+50 6 83 67.1 33.7 19.2
15+50 5 94.9 72.8 38.1 22.6
10/14/2005 Slur Pond Oc 43 66.8 13 8.4 16+50 5.5 95.5 69.5 39.5 25.1
17+80 76 80.5 13 17 17+50 5.5 97.7 58.1 45 23.8
18+50 6 99.6 69.5 36.1 25.8
10/17/2005 Slur Pond DF 47 66.8 14 8.4 20+30 5 94.4 65.9 49.9 22.3
20+50 71 79.3 12 16 21+35 5.5 99.2 75.3 43.9 33
21+50 73 81.1 14 18
10/18/2005 Slur Pond DF 41 68.0 10 8.4 22+04 5.5 97.1 70.3 36.1 12.6
25+50 57 77.4 10 14 5.5 97.4 71.6 39.4 24.9
10/19/2005 Slur Pond DF 41 65.5 11 8.4 22+15 5.5 95.3 72.9 50.9 41.5
28+00 68 76.8 13 14
10/20/2005 Slur Pond DF 47 66.1 13.2 8.4 26+25 6 97.2 78 36.8 25.5
29+05 60 86.7 14 14 25+55 6 81.2 80 33.1 12.1
10/24/2005 Slur Pond DF 46 65.5 12 8.4 28+75 6 59 59 48.9 31.7
30+80 89 84.9 10 20 29+75 5 82.2 82.2 60.6 30.9
31+85 62 78.0 12 14
Signiture of Technician