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HomeMy WebLinkAboutCDP 16-29; LINCOLN RESIDENCE (5198 SHORE DRIVE); FINAL SOILS REPORT; 2019-07-11HETHERINGTON ENGINEERING, INC. SOIL & FOUNDATION ENGINEERING • ENGINEERING GEOLOGY • HYDROGEOLOGY Robert Hall Construction July 11, 2019 Project No. 8081.2 Log No. 20576 34145 Pacific Coast Highway, #332 Dana Point, California 92629 Attention: Subject: Mr. Robert A. Hall AS-GRADED GEOTECHNICAL LETTER Proposed Single-Family Residence 5198 Shore Drive Carlsbad, California References: 1. "Geotechnical Investigation, Proposed Single-Family Residence, 5198 Shore Dear Mr. Hall Drive, Carlsbad~ California" by Hetherington Engineering, Inc., dated November 14, 2016. 2. "Grading Plan For: Lincoln Residence (5198 Shore Drive) ... ", prepared by Duca-McCoy, Inc., undated (Sheets 1 through 6). In accordance with your request, this report provides a summary of our observation of finish subgrade for the basement excavation for the proposed single-family residence. Grading consisted entirely of cut to finish grade. The materials exposed at finish grade consist of competent terrace deposits as anticipated. Subgrade for basement excavation is considered suitable for the intended purpose. Grading was performed in accordance with recommendations in the "Geotechnical Investigation ... " (Reference 1). This opportunity to be of service is sincerely appreciated. If you have any questions, please call this office. 5365 Avenida Encinas, Suite A• Carlsbad, CA 92008-4369 • (760) 931-1917 • Fax (760) 931-0545 333 Third Street, Suite 2 • Laguna Beach, CA 92651-2306 • (949) 715-5440 • Fax (760) 931 -0545 www.hetheringtonengineering.com Coastal Land Solutions Julyll,2019 City of Carlsbad 1635 Faraday Avenue Carlsbad, CA 92008 COASTAL LAND SOLUTIONS 577 Second Street Encinitas, CA 92024 Ph (760) 230-6025 Fax (760) 230-6026 RE : Pad Certification for Grading Plan Dwg. No. 514-5A; Proj. No. CDP 16-29 5198 Shore Dr., Carlsbad, CA 92008 To Whom It May Concern: Please be advised that on July 11, 2019 the existing pad grade was verified in reference to the approved grading plan as referenced above. Said grading plan (Sheet 2) depicts finished grade elevations as depicted below. Measured pad elevations were within +/0.1' of mean (below). The following provides the pad elevation as field verified and shown on said grading plans: Basement Pad Pad Elevation Per Plans 37.25' Mean Pad Elevation Per Field Measurement 37.2' If you should have any questions in reference to the information listed above, please do not hesitate to contact this office. Sean C. Eifglert, L.S. 7959 Coastal Land Solutions, Inc. Date \ \ 1 1 U'7 _,, Al'N _ i, '.,/90 ',/;'/- NEW RESIDENCE I I ,,_ I __ DATE PROJECT NO, FIELD REPORT 7 -i O -~ Z-61 , go~ ,,z__ PROJECT s,c;~ _$/foR..C: ~Rru-£ LOCATION . 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SOIL & FOUNDATION ENGINEERING ENGINEERING GEOLOGY• HYDROGEOLOGY 5365 Avenida Encinas, Suite A Carlsbad, California 92008 (760) 931-1917 www.hetheringtonengineering.com 333 Third Street, Suite 2 Laguna Beach, California 92651 (949) 715-5440 DATE PROJECT NO. FIELD REPORT ~ :'OJ q ' ,...,, ~ -----r r - PROJECT -S llo'~'f I b~;-,,-:::---LOCATION ,_ I ' CONTRACTOR OWNER ' \' _d -""'-J 7"Jl/;.,I ~• WEATHER CONDITIONS ---... TO } . .. PRESENT AT SITE EQUIPMENT ~,,.. r ,_ ~-J..1 SUMMARY OF INSPECTION: r. A :l /,V ;,-Jt "r) I_. ~ , Ir, -}- ' r-"' T ... RECOMMENDATIONS: ( SIGNATURE ~;-~)=~L--~C~-~-~-:'.:_'.•~-~""-~------= ;) F. V r COPIES TO: -,-~----------,---=·-'------- HETHERINGTON ENGINEERING, INC. SOIL & FOUNDATION ENGINEERING ENGINEERING GEOLOGY • HYDROGEOLOGY 5365 Avenida Encinas, Suite A Carlsbad, California 92008 (760) 931-1917 www.hetheringtonengineering.com 333 Third Street, Suite 2 Laguna BeacI1, California 92651 (949) 715-5440 DATE PROJECT NO. FIELD REPORT PROJECT LOCATION CONTRACTOR OWNER WEATHER CONDITIONS TO PRESENT AT SITE EQUIPMENT SUMMARY OF INSPECTION: RECOMMENDATIONS: ,-------------- COPIES TO:------'----------------- HETHERINGTON ENGINEERING, INC. SOIL & FOUNDATION ENGINEERING ENGINEERING GEOLOGY• HYDROGEOLOGY 5365 Avenida Encinas, Suite A Carlsbad, California 92008 (760) 931-1917 www.hetheringtonengineering.com 333 Third Street, Suite 2 Laguna Beach, California 92651 (949) 715-5440 HETHERINGTON ENGINEERING, INC. FIELD REPORT TO SUMMARY OF INSPECTION: ..., ,.. 1 J ,:-I 'T '"r J<J 4 DATE '1-:: Z.01 PROJECT !:.. I 1t7 5 fl&f?f; --0. LOCATION PROJECT NO. r:,,_t,~J ,.l- I ... '?,L J Ab C ·-I r;·J ~ r-A CONTRACTOR I OWNER WEATHER CONDITIONS PRESENT AT SITE EQUIPMENT A (',ffJ "f'tJC'\ f.'_ XI'" Al)A 7r_;;A.) 8 ,= /Jt"i lU , ll > I r---,.---"------=l-_,__oL..__----==..r~1-= ... --:,.""'-'---"=-r::-_-----='-'--'-11-'--'.r....:.... -'-1,__1 __,,,,::-~-.;---------------------------,, --I IQ , / r ,.., v 7 ?: A--c , , v I ,,-,,.-, 1 ..,... I J\& h-..,. 11, j I - RECOMMENDATIONS: r HETHERINGTON ENGINEERING, INC. SOIL & FOUNDATION ENGINEERING ENGINEERING GEOLOGY• HYDROGEOLOGY 5365 Avenida Encinas, Suite A Carlsbad, California 92008 (760) 931-1917 www.hetheringtonengineering.com 333 Third Street, Suite 2 Laguna Beach, California 92651 (949) 715-5440