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SU0013128 SSNL
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SU0013128 SSNL
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Last modified
4/9/2020 8:47:07 AM
Creation date
4/9/2020 8:08:44 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSNL
RECORD_ID
SU0013128
PE
2600
FACILITY_NAME
GP-89-6
STREET_NUMBER
704
Direction
N
STREET_NAME
ALPINE
STREET_TYPE
RD
City
STOCKTON
Zip
95205-
APN
10302020
ENTERED_DATE
4/1/2020 12:00:00 AM
SITE_LOCATION
704 N ALPINE RD
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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SJGOV\gmartinez
Tags
EHD - Public
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k" KLEINFE DER <br /> File No. 20-2662-06 <br /> January 24, 1990 <br /> Three percolation tests were performed at the basin location on,l <br /> January 15, 1990 by a representative of our firm. The test ) <br /> procedure required filling the test holes with relatively clean <br /> water to approximately 5 feet above the bottom. The rate of <br /> water level drop in each test hole was monitored by our personnel <br /> for a period of 3 hours . The last 30 minutes of each test was <br /> used to calculate the following percolation rates in gallons per <br /> square foot per day (gfd) : <br /> BASIN PERCOLATION TESTS <br /> Percolation <br /> Test No. Depth Rate (qfd) <br /> 1 25-30 ' 7-1/2 <br /> 2 15-20 ' <1 <br /> 3 5-10 ' <1 <br /> There are many factors that influence storm water disposal . <br /> Clean water was used in our tests whereas oil residue, silt, <br /> leaves, and/or other deleterious material may be included in the <br /> actual storm water. Variations in the soil conditions within the <br /> basin may also affect percolation characteristics . Therefore, we <br /> suggest that an engineering geologist from our office be given an <br /> opportunity to observe the soils exposed in the basin excavations <br /> to confirm they are consistent with those encountered during our <br /> test drilling and percolation testing. We also suggest that a <br /> review copy of the drainage plans be submitted to our office <br /> prior to final design. Based on these results and our experience <br /> 3 <br />
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