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HomeMy WebLinkAboutTract Map 32170 Subgrade Soil Compaction_~ ~ ~ PETR~ OFFICES IN THE COUNTIES OF ORANGE • SAN DIEGO • RIVERSIDE • LOS ANGELES • SAN Mr. Rick Rush WILLIAM LYON HOMES, INC. 11800 Sterling Avenue, Suite A Riverside, California 92503 - F~~~~~n~,°~~ FEB 2 7 2p06 ~ul: WORf<i' Dc- ~ `v1E Febru~ J.N. 415-03 Subject: Subgrade Soil Compaction, Martha's Vineyard Lane, Spring Place Court, Bar Harbor Lane and Cape Cod Lane, Tract 32170 (Harveston Neighborhood ~ City of Temecula, Riverside County, California Deaz Mr. Rush: Pursuant to your request, Petra Geotechnical, Ina (Petra) has observed and performed relative compaction tests of the compacted subgrade on Martha's Vineyard Lane, Spring Place Court, Baz Hazbor Lane and Cape Cod Lane within Tract 32170 (Harveston Neighborhood 6), located in the City of Temecula, Califomia The finished subgrade was tested on February 21 and 22, 2006. Results indicate that relative compaction of samples tested were in excess of 95 percent as determined by the sandcone method (ASTM D1556). Based on the results of our tests and observations, it is our opinion that the subgrade soils within the subject streets of Tract 32170 aze compacted to 95 percent or more relative compaction. PETRA GEOTECHNICAL, INC. I 41640 Coming Place • Sui~e 107 • Murrieta ~ CA 92562 . Tel: (909) 600-9271 • Fax: (909) 600-9215 ~ 'r' ~ ~ WILLIAM LYON HOMES, INC. February 23, 2006 TR 32170 (Harveston Neighborhood 6)/Temecula J.N. 415-03 Page 2 We appreciate this opportunity to be of service. If you have questions, please contact this office. Respectfully submitted, PETRA GEOTECHNICAL, INC. Iqb . TK~ood, Ph.D., P.E. Seni r Project Engineer WMC/IM/go Distribution: (1) Addressee ~ No. C050306 ~t~ Exp.6/30/qg (1) William Lyon Homes, Inc. Attention: Mr. Fred Lutka (2) William Lyon Homes, Inc. - Field Office Attention: Trent (2) City of Temecula - Department of Public Works Attention: Mr. Doug Anderson ~~ ~