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HomeMy WebLinkAboutCT 01-11; OCEAN BREEZE CONDOMINIUMS; COMPACTION TESTING; 2002-10-08V. VV -, VV. V -. •V V cr 40 oF' H OWEN ENGINEERING GROUP V '• . . Civil, Geotechnical and Structural Engineering October'8, 2002 Mr. Steve Ash 14 Cameo Crest V VVV. V V V V V V Laguna Niguel, CA 92679 Subject:.Compaction Testing at 5327 Carlsbad Blvd V . Parcel No: 3, Parcel Map Number 18236,,*. V .• Carlsbad, California Gentleman V V This report presents the results of our relative compaction testing for the project, located . . at 5327 Carlsbad Blvd., in the City of Carlsbad, County of San Diego. * V V RELATIVE COMPACTION TESTING . A representative from this firm was onsite to perform density tests (see Figure 1, for V locations), to ensure that adequate compaction was achieved. All testingwas performed V V V V in compliance with applicable City of Carlsbad ordinances. A summary of our test results V and test locations is attached hereto and made part of this report. V V Field density testing was performed using the Nuclear-Gauge ASTM Method D2922-9 1.' LABORATORY TESTING The following test procedure was performed on soil material from the site during V Vt V construction. V V MAXIMUM DENSITIES V ' • V 'V Laboratory maximum . dry density testing of representative onsite' soils, were V V V performed, in. general 'accordance. with ASTM Standard D1557-91. Laboratory V V . testing results can be found in Appendix A. V VV V V CONCLUSIONS V V .a.... V ' The project has been constructed according to applicable standards and is herby certified V for, construction: V During the grading process-no unusual geotechnical conditions were • V H encountered: V V f.,. . ., • ç V V V V V RECOMMENDATIONS V,• I. . V Recommendations presented in the referenced reports: (See attached List of References) V should be implemented. V V This office, prior to placing steel . or concrete, . should observe caisson excavations and V V V V footing trenches. Retaining walls backfill should be observed, tested and verified by . V geotechnical engineers. V 'V V V : . V • V 1 . 1525 Grand Ave, San Marcos, Californi 92069 ' Telephone (760) 471 - 6000 Fax (760) 471-6096 V V V V 14661 Myford Road, Suite C, Tustin, California 92806 Telephone (714) 734 - 7993. Fax (714) 734-9732 V .1 Owen Engineering Group October 8,2002 Final Soils Compaction Report Page 2 LIMITATIONS Our conclusionsand opinions are based on the results of our periodic insection testing and visual observation of the subject site If you have any questions or need . clarification, please contact this office at your convenience. Sincerely, • . . Owen Engineering Gioup : OFESSj. . w No. 782 w' UP. Charles I Randl CIVt\ OF CAL\ - • • 41 . -•.. - ' . • 41- -, -.. •..*•• - 0 • • ;0_. • - 01 1 •0 I -. - -. .• 3 S .5 0 • 0 •• - 0 * - * • 4. -S • ,0 •• • .---.- -• E• 4 I - : . . •4 • I_-S - - N 'r . t . CARLSBAD BOULEVARD I ..2 - - - - - 41 Mil NAP 1 - - r 13 ;s a °--: - --- I 'i-::.-- :_. 1 - . •-.-. -.- , - it- - j - - I - tO 13 p., • II .:. ' 30 4 3A 3 091P '13 I -------- ----: ---- • 'APPROXIMATE LOCATION or FIELD DENSITY. TESTS f• . FIGURE .5.327 CARLSBAD BLVD. I • 4 - I__ • List References iical Update, Carlsbad Beach Lot, APN210-120-30, Carlsbad Drive, - California: 1996- by Geotechnics.. Inc. Project No. 0319-001-00- Geotechnical Investigation and Bluff Retreat Study, Parcel No. 2107120-30, Carlsbad, California; 1991, by ICG, Inc., Job No. 04-8529-001-00-00, Dated March 28, 1991. Geotechnical Investigation and Bluff Retreat Study,--Parcel No. 210-120-3 1, Carlsbad, California; 1989, by ICG, Inc., Job No. 05-8109-001-00-00, Dated • November 6, 1989. 0 • California's Battered Coast; 1985 California Coastal Commission Meeting, Professional Papers and Publications, San Diego; California, September, 1985 San Diego Association of Geologists. \ Supplemental Geotechnical Investigation, Proposed Coastal Protection Measures for the 2+!- acre coastal site, Carlsbad, California; 1984, by Converse Consultants, Project No: 83-2299-02, dated September 20, 1984. Geotechnical Investigation, Proposed Coastal Protection Measures for Ecke Site, Carlsbad, California; 1984, by Converse Consultants, Project No. 83- 02299-01, dated February 1, 1984. Geotechnical Review and Update of Applicable Geology and Geotechnical Reports for Parcel 3, P.M. 18236, Carlsbad, California, by Owen Engineering • Group, dated March 6, 2001. Assumption of Geotechnical Responsibility, Updated Geotechnical Report, • Assessor Parcel Number 210-120-30, Carlsbad, CA, by C. J. Randle,P.E., Dated March 16, 2001. Test # Thy Dënsity Max Density % Moistiire % Compaction.,,- 1 1115 122 85 91 2 1142 122 92 94 3 1130 122 90 93 4 • i. -: . - -. - 4 - '5• 4 • • $ : • , , 4 .' .. Christopher Frye 4 5327 Carlsbad Blvd. . .. .' ilk • .4 Carlsbad CA , .. LABORATORY TEST RESULTS Maximum Density/Optimum Moisture ASTMD1557-91 Method A . •0 • 4 •. . . ' .b_ 1 . * Sample Location Soil Desóription Max. Dry Density (pcf) Subgrade - Silty Sandy . . 122.0 * 0*0 0,,• S •. . 4, 5, • • 0,• • 0 - 1.. , . '° 0 - I , • 0 J . . .4 ,0 • • 0 - • 4. , . • . 0 o•f• .&/04 . . . 0 . S 4 ) 4 0 4 '' • - .. . . . - ••, H.. • 0 , ,. .,, -. ••5 0 0 4 *0 1 , -. 0O 0 • 0 is • * 4 4 , .' 4• . S • . 4 . - 1 4- # .°( 0 £00 .4 04 * 0•' .. . • ,0 • • 0 * ' . 4 ••4 • • 0 ,• 0 0• ,.__ . 4 4 4 0 0 ' ,0 t - 4 * • 0 4 • " - 0 , r 0 - 4 4 4'_.I . - ' • - 4 o• $ - - ,, 0 - - 40 • - * - - -: . - . -' - 4 0 , * S (4, 4 S