HomeMy WebLinkAboutPUD 09-02A; LIFE TECHNOLOGIES; FINAL COMPACTED FILL REPORT; 2012-04-10t'Vt7 O2-7
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SOUTHWEST
1fl.l)( 111011 & I i "IiJij, hit 141 ( uninit ILI Way, La Habra. CA 90011 IÔh
(562) 941-2991.) • (7 14) 520-844 I
FAX (562) 946-(J026
April 10, 2012
TO: Greg Gomez
J.R. CONSTRUCTION
17034 Roseton Ave.
Aretsia, Ca 90701
PROJECT FINAL COMPACTED FILL REPORT
Life Technologies
5791 Van Allen Way
Carlsbad, Ca
REFERENCE Geotechnical Exploration Report Prepared by Geotechnics Incorporated (2010). Updated
Geotechnical Recommendations (revised), Lobby Addition to 5791 Van Allen Way Building, Carlsbad , California
Project No. 0675-002-04, Documents No. 10-0407R, August 27
This report concludes the inspection and testing of the commercial building pad construction at the above-referenced
project. Testing and inspection were conducted on a intermittent basis beginning on October 28,2010 through
January 29, 2011.
The purpose of the inspection and testing was to verify conformance with the recommendations and procedures in
the above-referenced Geotechnical Exploration Report. The following operations were observed by our staff
technician:
a All site preparation should begin with the removal of deleterious materials to and from the proposal
building and improvement areas. Deleterious materials such as vegetation, trash and demolition
debris were removed from site.
ci All fill and Backfill were compacted to at least 90 percent of the maximum dry density at above
optimum moisture content as determined by ASTM test method D 1557 and at least 95 percent
maximum dry density for the aggregate based.
ci Excavation were extended at least 5 feet (horizontally) beyond the outside perimeter of the lobby.
ci Fill was placed in maximum Ioose.lifts of 8 inches and was moisture conditioned and compacted to
slightly above the optimum moisture content.
Field density tests were determined by the nuclear test method ASTM D6938.
Based on our observations and successful completion of the compaction testing performed from October 28,2010
through January 29, 2011, it is our opinion that the grading for this project is in general conformance with the
Geotechnical Engineering Report.
Respectfully submitted,
- Southwest Inspection and Testing
Ian R. Waddell, P.E.
Principal Engineer
RCE number: C041219
Expires: 03.31.13