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HYDRO30448
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HYDRO30448
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Entry Properties
Last modified
8/24/2016 8:49:10 PM
Creation date
11/21/2007 12:25:43 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981018
IBM Index Class Name
Hydrology
Doc Date
9/13/1996
Doc Name
GEOTECHNICAL INVESTIGATION OF RP-4 SEDIMENT POND EMBANKMENT
From
WESTERN FUELS-UTAH INC
To
DMG
Permit Index Doc Type
SEDIMENT POND INSPECTIONS
Media Type
D
Archive
No
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Aug-21-96 O.6:36A Lincoln DeVore of Grd Jct 970-242-1561 .~~~~_~ <br />+iesic:cat.ion. 'fhe soils were suhjected to shrink-swell t.esLii+g, <br />utilizing botfr recompacted samples and relatively ttnciisturbed <br />snmples. The sods which were encountered in the embxnlunout <br />saction wire consistently found to have a relatively low expan- <br />sive pol.entittl, exhibit a swell of O.~X, with pressures less tlntn <br />1000 psf. The samples obtained from the native soils and the <br />lower portions of either the embankment or reworked native soils <br />showed a significantly }+igher swell potehtixl. Ttre nrrt.ive soils <br />were observed to have 1.276 to 1.6% swell, at pressures ranging <br />2:100 psf to almost 5000 psf. <br />GROUND WATER: <br />No Lrue free wttt.er was encountered +t t. <br />ar+y of the test borings to the deptkis drilled. In our opinion <br />t.l+e trop free water surface is fairly deep in tt+is area. 1't+e <br />soil moisture content was observed to be somewhat variable in the <br />exploratior. borings, possibly indicating seepage zones. A thin <br />zone of free water was encountered in exploration boring x2, at a <br />depth of approximately 18 to 19 feet,. This zone was observed to <br />be ver}• thin in the sample and appears to represent. a true <br />pert}+ed water. This perched water appeared t.o be in a slightl>• <br />sandy strata of the native soil profile. <br />Small, vertical "piping" strt+ctures were <br />noted in the lower soils encountered in this exploration program. <br />These lower soils are interpreted as tt+e undistur•be<d nati~e~ <br />soils. These "piping" features apparently represent previous <br />migration oP surface waters into the suhsurfx~~r soils. In gener- <br />G <br />
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