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REP49917
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REP49917
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Entry Properties
Last modified
8/25/2016 12:55:03 AM
Creation date
11/27/2007 12:42:43 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
Report
Doc Date
10/19/1999
Doc Name
QUARTERLY REFUSE PILE INSPECTION REPORT 3RD QTR 1999 and May 1994 Phase II Stability Anaylysis
Permit Index Doc Type
STABILITY REPORT
Media Type
D
Archive
No
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<br />1 <br />1 <br /> was flush ed to remove cutting debris and the 200 series piezometer <br /> wells wer e installe3 as follo ws: <br />' PZ Tip Slot Sand Pack (ft) Slurry Plug (ft) <br /> ID Depth Length From To From To <br /> (ft) (ft) <br />' <br /> 206 60.0 5.0 60.0 48.0 48.0 43.0 <br />' 205 42.5 1.5 43.0 40.0 40.0 38.0 <br /> 204 37.5 2.0 38.0 33.0 33.0 24.0 <br />' 203 23.5 1.5 34.0 2C.0 20.0 18.0 <br /> 202 17.5 1.0 18.0 16.0 16.0 14 <br />0 <br />' . <br /> 201 13.5 1.5 14.0 11.0 11.0 9.0 <br />' 200 8.5 2.0 9.0 6.0 6.0 0.0 <br />After installation all of the 200 series piezometers were <br />' probed and appeared to be functioning properly. Graphic details of <br />the 200 series piezometer installations are presented as Plate 27 <br />of the Appendix. <br />' DRILL HOLE No. 7: <br />Drill hole No. 7 was located on the inside of the second <br />' maintenance bench and was visually aligned on a line through drill <br />hole Pio. 4 (100 Series piezometers) and existing PZ well P-1. Hole <br />No. 7 was started on March 25, 1994 and advanced to a final dept?; <br />' of 90-feet on March 29, 1994. The alluvium/pile contact was <br />encountered at 75.5-feet. A total of six distinct moisture bearing <br />zones were identified within the pile for piezometer installation. <br />On March 30, 1994 the hole was flushed several times with no <br />' surface return of cutting debris or flush water. This flush'_ny <br />operation indicated the presence of an extremely pervious zone <br />since water was introduced into the hole at a rate of 30 - 35 GPM <br />' without filling the hole. It was not feasible to determine the <br />depth of this highly pervious zone. The hole was allowed to <br />settle, then probed to determine its depth. The hole was open to <br />' 85-feet. The first piezometer tube was installed at its target <br />depth of 90-feet by circulating water through a tremmie pipe set oa <br />the bottom of the hole to loosen the sediment trapped in the hole. <br />Thus, the bottom 5-feet of the first (deepest) piezometer is bedded <br />' in sediment sand versus silica sand. The 300 Series piezometers <br />were installed in this hole as follows: <br />1 <br /> <br />11 <br /> <br />
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