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HomeMy WebLinkAboutTract Map 3883 Lot 81 Compaction . DATUM ./ ,~~~ ~T81 GEOTECHNICAL CONSULTANTS, INC. COMPACTION TEST REPORT FOR THE PROPOSED RESIDENTIAL DEVELOPMENT LOT 81, TRACf 3883, A.P.N 919-071-003 LOCATED AT 40685 CARMEI.JTA CIRCLE TEMECULA, CALIFORNIA JOB NO. 2208-CI-95 MAY 1, 1995 PREPARED FOR: C/O MR. BILL BRUSKE 40685 CARMELITA CIRCLE TEMECULA, CA 92591 (909) 780-0750 10,000 INDIANA AVENUE, SUITE 2 . RIVERSIDE, CA 92503 PHONE (909) 688-8401 . FAX (909) 688-2217 , " ; , ,~ , .. '~ -~ i ~ CLIENT: JtTTENTION: , SUBJECT: I REFERENCES: DEAR MR. BRUSKE : . . JOB NO.: 2208-CI-95 DATE: MAY 1, 1995 C/O MR. BILL BRUSKE 40685 CARMELITA CIRCLE TEMECULA, CALIFORNIA 92591 MR. BILL BRUSKE .. Compaction Test Report for the Proposed Residential Development, Lot 81, Tract 3883 , A.P.N 919-071-003 located at 40685 Carmelita Circle, Temecula, California. 1) Plot plan for the subject site prepared by Art Ramirez, dated August 2, 1994 In accordance with your authorization, we have performed field density testing during March 31, April 3 and 4, 1995 for the subject project. The approximate locations of the field density tests are shown on the plot plan. The plot plan was based on the plot plan submitted by your office. A brief summary of the field density testing operations, test results, and other pertinent information are presented in the following report. This report should be reviewed in detail prior to proceeding with the planed development of the project. 1 OF 6 2- DATUM GEOTECHNICAL CONSULTANTS. INC. . .. JOB NO.: 2208-CI-95 DATE: MAY 1, 1995 This opportunity to be of service is appreciated, should you have any questions regarding this report, please do not hesitate to contact this office. Respectfully, DATUM GEOTECHNICAL CONSULTANTS, INC. . 0' r "IS#1"-"-.:J A. ~ Ismail A. Hadi,P. E. Principal Engineer Attachments: Appendix A Summary of Field Density Tests Appendix B Plot Plan 2 OF 6 2;> . . JOB NO.: 2208-CI-95 DATE: MAY 1, 1995 PROPOSED DEVELOPMENT Single family residence is proposed for the subject site. SCOPE OF WORK Our scope of work was to observe the grading and perform compaction testing on part-time basis. DATES IOF OBSERVATION AND TESTING The grading work was observed and field density tests were performed during March 31, April 3 and 4, 1995 by our field technician on part time basis. GRADING EQUIPMENT The grading work was performed using the following equipment: (1) Track wheel dozer (2) Fire hose The Track wheel dozer and fire hose were used for grading, compaction, and moisture conditioning, 3 OF 6 " . . JOB NO.: 2208-CI-95 DATE: MAY 1,1995 GRADING AND FILL OPERATIONS The lot was developed in minimal cuts and fills. Approximately 0.50 feet of fill was placed on the north western portion of the building area and approximately 1 foot of fill was placed on the south western portion of the building area. The building area and at least five (5) feet beyond the proposed building Jines was overexcavated to a minimum depth of 3 feet on the northern one half of the building area arid to a minimum depth of 6 feet below original existing grade on the southern half of the building area due to very wet soils conditions encountered in this area. The bottom of overexcavations was scarified to a minimum depth of 12 inches and was compacted to a minimum relative density of 90% prior to backfilling. The source of saturation on the southern half of the proposed building area was not determined, however it appears that the storm drain located at the northeastern corner of the lot has contributed to the saturation of this area, therefore, drainage of the storm drain shall be diverted away from the proposed building area to avoid saturation and potential settlement of building area. Compaction Density Tests were taken at the. bottom of the overexcavation' after recompaction with results being at least 90% of the Maximum Dry Density with adequate moisture. Backfill soils were then placed in 6 to 8 inch lifts, well moisture conditioned, mixed and compacted. Compaction Density Tests were taken at different intervals to verify the moisture content and degree of compaction. Results of density test indicated a relative density of at least 90% of the maximum dry density as determined by ASTM D 1557-78. On site materials consisted of dark Brown medium to coarse silty sands on the northern half of proposed building area and of golden Brown fine to medium silty sands on the southern half of the building area. 4 OF 6 /' ~ , , . . JOB NO.: 2208-Cl-95 DATE: MAY 1,1995 FIELD DENSITY TESTING In-place density tests were performed in accordance with the sand cone method, ASTM D 1556-64 (74), and the maximum density of the backfill soils was obtained in ,accordance with ASTM D 1557-78. CONCLUSIONS o The bottom of the overexcavation and the backfill materials were compacted to a minimum relative density of 90% as verified by field density testing and probing. o TIle above described grading has been completed in substantial compliance with the grading code of the local building agencies. o The rough graded pad appears to be adequate for the construction and support of the proposed dwelling. o All recommendations contained under grading and fill operations of this report shall be adhered to during project development. CLOSURE Our findings and conclusions have been based on generally accepted engineering practices. No further warranties are implied nor made. 5 OF 6 ~ 't ~- .' , . . . JOB NO.: 2208-CI-95 DATE: MAY 1, 1995 MAX[[MUM DENSITY TEST RESULTS soil type soil description or location (A) optimum moisture Golden Brown fine to coarse 10.0 % silty sands (SM) (B) - Brown medium to coarse silty sands (SM) 11.0 % maximum dry density pcf 12~.0 (pet) . 138.0 (pet) * Test performed in accordance with ASTM D 1557-78 6 OF 6 1 SUMMARY 0' FIELD DENS IT' TESTS TEST COMMENTS DRY DENSITY MOISTURE% DATE TEST LOCATION TYP AND R.C. TEST ELV FIELD MAX. FIELD OPT 03/31 SOUTH BLDG BOTTOM A -6' 114.2 127.0 11.1 10.0 90 04/30 NORTH BLDG BOTTOM B -3' 127 .9 138.0 12.0 11.0 93 04/03 BLDG PAD BACKFILL A -4' 119.9 127.0 8.7 10.0 94 04/04 BLDG PAD BACKFILL B F.G 128.2 138.0 12.8 11. 0 93 '" _n ~ l H;o,;sr ~ ---' ,-- CARMEl\T A "0 if' ......'tt (jj'" ..f . APPROXIMATE LOCATION OF STORM DRAIN PIPE -qb,- APPROXIMATE LOCATION OF FIELD DENSITY TESTS THIS IS NOT A PRECISE PLO'l' PLAN AND IS INTENDED TO LOCATE THE APPROXIMATE LOCATIONS OF FIELD DENSITY TESTS ONLY AND SHALL NOT BE USED FOR ANY OTHER PURPOSES 0 THIS OFFICE IS NOT RESPONSIBLE FOR ITS ACCURACY. . ,.s::> L.. _L N , en q E 2 i ClRClE r--l I I I I j I I ~ I I i I I ~ . I I L_ _J .