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SU0014693
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SU0014693
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Last modified
10/27/2022 4:01:08 PM
Creation date
7/7/2022 1:52:55 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
RECORD_ID
SU0014693
PE
2600
FACILITY_NAME
S-79-2
STREET_NUMBER
0
STREET_NAME
ARCH
STREET_TYPE
RD
City
STOCKTON
APN
17921002
ENTERED_DATE
12/27/2021 12:00:00 AM
SITE_LOCATION
ARCH RD
QC Status
Approved
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SJGOV\sballwahn
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EHD - Public
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MOORE & TABER NORTHERN CALIFORNIA <br /> CONSULTING ENGINEERS AND GEOLOGISTS <br /> -6- <br /> or equivalent. Preparation for compacted fill should include <br /> stripping and disposal of all debris and organic material and <br /> subexcavating any disturbed soils/fill identified during grading <br /> to full depth and to +5 ft outside building lines. The exposed <br /> surface should be field-reviewed by the soils engineer with <br /> respect to exposure of undisturbed original ground then scarified <br /> and compacted to 85-90% relative compaction (ASTM D 1557 ) . <br /> Native soils are highly expansive but could be considered <br /> acceptable for use as compacted fill for nominal grade raises <br /> with acceptance of potential for slab cracking. Significant, <br /> but limited , reduction in slab cracking could be associated <br /> with moisture-conditioning soils to +18-24 inches under slab. <br /> A higher level of assurance against post-construction slab <br /> cracking could inclu4e use of select low expansive import soils <br /> (say, 18-36 inches) under slabs--or possibly lime-treating <br /> native soils to reduce expansive effects. Native soils may <br /> be placed to 35-90% relative compaction (ASTM D 1557) with <br /> 3-5% over-optimum moisture. Any imported fill should be approved <br /> by the soils engineer and , in building area, be of low expansion <br /> potential (say, Expansion Index less than 25) and placed to <br /> 90% relative compaction. <br />
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