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89-180
EnvironmentalHealth
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4200/4300 - Liquid Waste/Water Well Permits
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89-180
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Last modified
12/24/2019 10:10:15 PM
Creation date
12/4/2017 11:47:51 PM
Metadata
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Template:
EHD - Public
ProgramCode
4200/4300 - Liquid Waste/Water Well Permits
RECORD_ID
89-180
STREET_NAME
EIGHT MILE
STREET_TYPE
RD
City
STOCKTON
RECEIVED_DATE
01/26/1989
P_LOCATION
GREENBRIOR DEV CO
Supplemental fields
FilePath
\MIGRATIONS\E\EIGHT MILE\0\89-180.PDF
QuestysFileName
89-180
QuestysRecordID
1723242
QuestysRecordType
12
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EHD - Public
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150 Acre Spanos Park Residential Development <br /> January 20, 1989 <br /> Page 2 <br /> geotechnical investigation would consist of the scope <br /> of work described below. No geoenvironmental <br /> services were requested or are being proposed in <br /> this investigation. <br /> 1. We would review available geologic information Evaluation of <br /> and existing air photos to attempt to establish Existing Channels r <br /> whether Pixley Slough or Bear Creek channels <br /> have changed locations across the site in the <br /> past. Several borings would be located near <br /> the slough, based upon our review, to establish <br /> the subsurface conditions in the area of the <br /> slough. <br /> 2. A subsurface exploration program under the Subsurface Investigation <br /> direction of our engineer or geologist who <br /> would supervise, log and sample twenty-four <br /> exploratory borings with conventional drilling <br /> equipment to depths ranging from <br /> approximately 10 to 20 feet at a spacing of <br /> approximately 500 feet. Due to the possibility <br /> that existing Pixley Slough and Bear Creek <br /> channels have meandered in.the past, it is our <br /> opinion that this boring spacing is reasonable <br /> for the site and that a greater boring spacing <br /> would add to the possibility that soft slough or <br /> loose sand deposits would not be detected <br /> during the exploration. Borings would be <br /> permitted with and backfilled according to San <br /> Joaquin County Environmental Health <br /> Department standards. <br /> The standard penetration resistance would be <br /> determined continuously for the upper 5 feet of <br /> the borings and at approximately 5-foot depth <br /> intervals thereafter in order to closely evaluate <br /> the near surface bearing conditions. The <br /> standard penetration resistance provides a <br /> rough estimate of the in-place strength of soils <br /> and permits samples to be obtained for <br /> classification and laboratory testing purposes. If ' <br /> necessary, modified California and undisturbed <br /> Shelby tube samples would also be obtained. <br /> Shear strength for cohesive soil would be <br /> measured in the field using a Torvane shear <br /> device. Four or more bulk samples would be <br /> taken for pavement design purposes. <br /> i <br />
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