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Home My WebLink AboutCT 83-19; CALAVERA HILLS VILLAGE T; COMPACTION OF DESILTING BASIN BACKFILL; 2000-08-0919 Geotechnical • Geologic' Environmental f 5741 Palmer Way • Carlsbad, California 92008 • (760) 438-3155 • FAX (760) 931.0915 September 8, 2000 W.O. 2832-C-SC McMillin Companies 2727 Hoover Avenue National City, California Attention: Mr. Don Mitchell Subject: compaction Report of Desilting Basin Backfill (Lots 177 through 179 and 322) and Finish Grading of Lots 186 and 189 through 192, Calavera Hills, Village T North, Carlsbad Tract 83-19, City of Carlsbad, California Reference: Report of Rough Grading; Calavera Hills, Village "r North, Lots. 163 Through 343, and Open Space Lots 344 through 361 and 363, Carlsbad Tract 83-19, City of Carlsbad, California," W.O. 2393-B-SC, dated January 14, 1999, by GeoSoils, Inc. Dear Sir: Grading and processing of original ground within the building pad areas for the Subject lots was observed and selectively tested by a representative of GeoSoils, Inc. during the earthwork phase of development for the subject property. The work performed Is In general conformance with the recommendations and methods presented In our referenced report, and with the grading ordinance of the City of Carlsbad, California. Field testing indicates that fills placed under the purview of this rport have been compacted to a minimum 90 percent relative compaction. Earth materials used to till the desilting basins and bring lots to grade consisted of silty sands derived fom footing trench spoils and finish lot pulls generated from other areas within Calavera Hills Village T North. This material is very low to low expansive (El. <31) and has a negligible sulfate exposure to concrete '(see the attached Table 1). Copies of field density- testing leports are Included with this report for review. Observation and testing services were proiided on an on call basis, as requested by the contractor. Additional site specific lot conditions are presented in our referenced report dated January 14, 1999 and are presented herein on the attached Table 1. Since our study is based upon observations and selective testing, the conclusions presented herein are professional opinions. These opinions have been derived in accordance with current standards of practice and no warranty is expressed or implied. Standards of practice are subject to change with time. GeoSoils, Inc. asSumes no responsibility or liability for work, testing or recommendations performed or provided by others. The opportunity to be of service Is greatly appreciated. If you have any questions concerning this report or If we may be of further assistance, please do not hesitate to contact any of the undersigned. Respectfully submitted, . G.zo GeoSolls, inc. r No. 19 Reviewed by: Robert G. Ci Crisman CA Albert R Kleist Engineering. Geologist, CEG 1934 . Geotechnical Engineer, GE 476 RGC/ARKJJPF/mo . . . . .R. Attachment: 'Table 1 - Lot Characteristics ' . . 476 Field Testing Reports . rp.O5-3D-Ol Distribution: (4) Addressee ' . .. McMillin Companies W.O. 2832-C-SC - Calavera Hills, Village T North ' . . . . SepleInber B. 2000 Fe:e:\wp7280O2632c.o Page 2 GeoSoils, Inc. S '5- 0• LOT CHARACTERISTICS LOT #0 EXPANSION INDEX (per UBC standard EXPANSION POTENTIAL' SOLUBLE SULFATE (PPM) 18-2) SULFATE : EXPOSURE 0000 DEPTH OF FILL (RANGE IN Fl) FOUNDATION CATEGORY _ 177 22 ' Low 0 70 Negligible ___ 12-21 __ —_II 178 22 , Low ' 70 Negligible 12-21 - II 179 22 Low 70 Negligible ' —_13-21 II 186 30 Low ' 85 Negligible 15-26 II 189 25 Low '50 Negligible 12-25 - Ii 190 25 Low"' 50 Negligible 12-26 0 191 25 Low , 50 Negligible 1D-25 U 192 25 , Low 50 Negligible 4-21 - II PT 322 10 , Very Low 10 Negligible 47-58. HI PT Per Table 18-I-13 of the Uniform Building Code (1997 ed.) , H (2) Per Table 19-A-4 of the Uniform Building Code (l 997 ad-) 0 Foundations should be constructed in acoordance with recommendations for the specific' categories noted above and presented in Table 3 of the referenced report. . FIELD. TESTING REPORT DATE NAME OA) HOURS_'' CLIENT -ILIL-.. TRACT - LOCATION _C4?j 74p SUPT _ - CONTRACTOR EQUIPMENT TEST NO. LOCATION ELEV. OR DEPTH MOISTURE CONTENT DRY DENSITY P.C.F. RELATIVE i COMPACTION TEST TYPE SOIL TYPE pJ / ,cJe1. 'Vp -h- —ii- I/b1 -:1i 10 we ö 136 ho A Q• -COMMENTS: GeoSolls, Inc. PAGE OF _ E:/wptforma ,Meldtst.wpd 0 GeoSo Us, Inc. FIELD -TESTING REPORT w.O. -3-Sc DATE NAME 7N HOURSL CLIENT Md1 ii. ThACT__2) LOCATION________ SIJPT.____________________ CONTRACTOR EQUIPMENT J 1d\ TEST NO. . . LOCATION ELEV.. OR DEPTH MOISTURE CONTENT - DRY DENSITY P.C.F. RELATIVE COMPACTION TEST TYPE SOIL TYPE r 1o1 272 \5 A \O _ O - N Z72 flO T5 - N 3 L t , . • ye 6 ;r.h..c_•• _ • • GeoSoils, Iflc. BY:' PA cE _£. OF_I E/wp/Torms/fieILst.wpd GeoSolls, Inc. . OF./ FIELD TLSTING REPORT W.O. DATE _igZ-7t1 NAME HOURS_ CLIENT_ TRACT Ji LOCATION SUPT. _- CONTRACTOR EQUIPMENT -613 L I(fl / &'ib PAr H- hIIe1 RELATIVE ION TYPE - -- -- m WKE om 9,3109A I- I ml _ WAR 9."- -.9.9 FM mm WE "IN j Alm --- mm COMMENTS: 1 7 "S E:/wpItorms/fte1dts.wpd GeoSoils, Inc. DATE W.O. :-7-77 NAME HOURS 7 0 MEMO 5741 PALMER WAY CARLSBAD, CALIFORNIA 92008 (760) 438-3155 • FAX (760) 831-0915 0 0 CLI ENT I'7f'T TRACT _ •0 LOCATION 4'3o SUPT_- 808 0 CONTRACTOR 0 jot- I2.. 4i€€- pic.4tyJ rl f: 7_I 3) cctt>fe ;: I 0 Inc. E:wp/formimmosantwpd - GIOSOiL, Inc.- FIELD TESTING REPORT W.O. DATE 7-7 NAME_ HOURS. CLIENT TRACT - LOCATION________ SUPT_V CONTRACTOR EQUIPMENT '-F F LOCATION ELg, 1~ MOISTURE CONTENTj~ DW DENSITY % RELATIVE - I aii WAA Pk COMMENTS: _4 i4/r ti io1 h,.eei.-, ic44il //y5 7 9 -/J "5-; - GeoSolls, Inc. PAGE OF - E:/wp/rormIfdt8Lwpd GeoSoils, Inc. FIELD TESTING REPORT CLIENT_2- c-kt-- c• (1 TRACT I -1 117- LOCAT SUPT 02. - CONTRACTOR _ EQUIPMENT I E LOCATION CONTENT _ MOISTURE COMPACTION ~- M~m - I- Jill r m— ff- d No- Old I I Wm- Co me co-'s - - - _________ _ _ -p-- COMMENTS: e-,7 ,L e- cze Az j k, LI4W9/V1I5 4u1/ BY: .* PAGE______ OF _( E;!wpflorm&feIdIat.wpd GeoSo Us, Inc. FIELD TESTING REPORT DATE ,--?? fl NAME 47 ., HOURS_ CLIENT TRACT_R3-11 - LOCATION____A 4- di SUPT. - CONTRACTOR r - EQUIPMENT TESTIF NO. LOCATION DRY DEN SITY RELATI`Vb~ MEN .4m, ME" ow.., T" VAN W W W M ...P. W-M _U -- - COMMENTS: .. .. GeoSolls, ,ngp - BY: / PAGE__________ OF_________ E:/wpflormoldtsLwpd Geosof is, inc. . 'S FIELD TESTING REPORT W.O.jt.7/(J DATE_ "-17 NAME _________ KOURS_. .c CLIENT TRACT__________ LOCATION_______ SUPT_____________________ CONTRACTOR f EQUIPMENT V /Imm 7 jlJg,1fr.. COMPACTIO - COMMENTS: - GenSoils, Iflc.. BY: PAGE OF OF....Z E:Iwp/tumWfleIdtStWPd GeoSoils, Inc.