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Home My WebLink AboutCT 13-03; ROBERTSON RANCH- RANCHO COSTERA; PAD CERTIFICATIONS;INTERNATIONAL December 19, 2016 JN 143824 Toll Brothers Inc., 725 Town & Country Rd, Suite 200 Orange, CA 92868 Subject: Vistas - Lots 1, 2, 3, & 4 City of Carlsbad Tract No. CT 13-03 Mr. Smiggs: Michael Baker International has performed a field survey on December 18, 2016 to field check Precise Grade Elevations for Lots 1-4 on Glen Avenue. The results of the field survey reveal the Precise Grade Elevations to be within substantial conformance with the City of Carlsbad approved precise grade plans DWG 480-3C, dated January 8, 2016. Sincerely, i2 1 Tim Thiele, P.E. Project Manager IOVESSI M. C4 No.C60283 or C 'I- H:\PDATA\1 43824-ROBERTSON RANCH\ADMIN\CORRESPNDNC\PG CERTS\TOLL BRO_FORM_PA13_CERTO41-4DOC PLANNING • DESIGN • CONSTRUCTION 5050 Avenida Encinas, Suite 260, Carlsbad, California 92008 8 760.476.9193 # FAX 760.476.9198 Offices located throughout the Country 0 www.mbakerintl.com LGC Valley, Inc. Geotechnical Consulting December 20, 2016 Project No. 133023-10 Mr. James Smiggs Toll Brothers, Inc. 725 W. Town and Country Road, Suite 200 Orange, California 92868 Subject: Final Geotechnical Certification Letter for Lots 1 through 4, Planning Area PA-13, Robertson Ranch, Carlsbad Tract No. 13-03, Carlsbad, California References: LGC Valley, Inc., 2014,, Geotechnical and Environmental Recommendations for Robertson Ranch West, Carlsbad Tract No. 13-03, Carlsbad, California, Project Number 133023-03, dated April 29, 2014 LGC Valley, Inc., 201 As-Graded Completion Letter, Lots 1 through 23, Robertson Ranch, Carlsbad Tract No. 13-03, 4980 El Camino Real, Carlsbad, California, Project Number 133023-03, dated June 9, 2015 In accordance with the request and authorization of representatives of Toll Brothers, Inc., LGC Valley, Inc. (LGC) has provided geotechnical services during the rough-grading, post-grading, and construction activities (i.e. during grading, utility and/or retaining wall installation, and building foundation construction and backfills) for the subject lots. Based on our observations and testing, it is our professional opinion that the grading and construction activities performed have been completed in general accordance with our recommendations, and in compliance with the requirements of the City of Carlsbad. The subject grading, utility line backfills, and foundation excavations are considered suitable for their intended use from a geotechnical standpoint. The presence of our field representative at the site was intended to provide the owner with professional advice, opinions, and recommendations based on the observations of the contractor's work. Although the observations did not reveal obvious deficiencies or deviations from project specifications, we do not guarantee the contractor's work, nor do our services relieve the contractor or his subcontractors of their responsibility if defects are subsequently discovered in their work. Our responsibilities did not include any supervision or direction of actual work procedures of the contractor, his personnel, or subcontractors. The conclusions in this letter are based on test results and observations of the backfill procedures used and represent our geotechnical opinion as to the compliance of the results with the project specifications. If you have any questions regarding our letter, please contact this office. We appreciate this opportunity to be of service. Respectfully Submitted, 0AL G0• LGC Valley, Inc. K 1ia (AL. No. 1612 °CERTIFIED V * GEOLOGIST * Randall Wagner, CEG 1612 p EXP 313E231 j Senior Project Geologist OF çpZ Distribution: (1) Addressee (via e-mail) (1) Kevin Brickley, Toll Brothers (via e-mail) 2420 Grand Avenue, Suite F2, 9 Vista • CA 92081 • (760) 599-7000 • Fax (760) 599-7007 ?cE e?AM- ..I INTERNATIONAL November 14, 2016 JN 143824 Toll Brothers Inc. 725 Town & Country Rd, -Suite 200 Orange, CA 92868 Subject: Vistas - Lots 222, 223, 224, 225, 240, 241, 242, 243, & 244 City of Carlsbad Tract No. CT 13-03 Mr. Smiggs: Michael Baker International has performed a field survey on November 14, 2016 to field check Precise Grade Elevations for Lots 222-225 & 240-244 on Wadsworth Street. The results of the field survey reveal the Precise Grade Elevations to be within substantial conformance with the City of Carlsbad approved precise grade plans DWG 480-3C, dated February 9, 2016. Sincerely, 1 Tim Thiele, P.E. - Project Manager H\PDATA\143824_ROBERTSON RANCHADMIN\CORRESPNDNC\PG CERTS\TOLL BRO_FORM_PA6_CERT01_222-225,240-244.DOC PLANNING I DESIGN I CONSTRUCTION 5050 Avenida Encinas, Suite 260, Carlsbad, California 92008 II 760.476.9193 II FAX 760.476.9198 Offices located throughout the Country 0 www.mbakerintl.com LGC Valley, Inc. Geotechnical Consulting November 14, 2016 Mr. James Smiggs Toll Brothers, Inc. 725 W. Town and Country Road, Suite 200 Orange, California 92868 Project No. 133023-10 Subject: Final Geotechnical Certification Letter for Lots 222 through 225 and 240 through 244, The Vistas, Planning Area PA-6, Robertson Ranch, Carlsbad Tract No. 13-03, Carlsbad, California References: LGC Valley, Inc., 2014, Geotechnical and Environmental Recommendations for Robertson Ranch West, Carlsbad Tract No. 13-03, Carlsbad, California, Project Number 133023-03, datedApril 29, 2014 LGC Valley, Inc., 2016c, As-Graded Report of Rough Grading, Lots 59, 60, 216 through 225, 234 through 244, 299 through 301, 308 through 310, and 320 through 324, Planning Areas PA- 5, PA-6, and PA-9&10, Robertson Ranch, Carlsbad Tract No. 13-03, Carlsbad, California, Project No. 133023-03, dated February 3, 2016 In accordance with the request and authorization of representatives of Toll Brothers, Inc., LGC Valley, Inc. (LGC) has provided geotechnical services during the rough-grading, post-grading, and construction activities (i.e. during grading, utility and/or retaining wall installation, and building foundation construction and backfills) for the subject lots. Based on our observations and testing, it is our professional opinion that the grading and construction activities performed have been completed in general accordance with our recommendations, and in compliance with the requirements of the City of Carlsbad. The subject grading, utility/wall backfill, and foundation excavations are considered suitable for their intended use from a geotechnical standpoint. The presence of our field representative at the site was intended to provide the owner with professional advice, opinions, and recommendations based on the observations of the contractor's work. Although the observations did not reveal obvious deficiencies or deviations from project specifications, we do not guarantee the contractor's work, nor do our services relieve the contractor or his subcontractors of their responsibility if defects are subsequently discovered in their work. Our responsibilities did not include any supervision or direction of actual work procedures of the contractor, his personnel, or subcontractors. The conclusions in this letter are based on test results and observations of the backfill procedures used and represent our geotechnical opinion as to the compliance of the results with the project specifications. If you have any questions regarding our letter, please contact this office. We appreciate this opportunity to be of service. Respectfully Submitted, LGC Valley, Inc. <f p)- K. /J(I f(JA L cc * 1612 IED t*: GOLOG$ST Randall Wagner, CEG 1612 ip EXP..31312318 Senior Project Geologist "9 Distribution: (1) Addressee (via e-mail) (1) Kevin Brickley, Toll Brothers (via e-mail) 2420 Grand Avenue, Suite F2, • Vista 9 CA 92081 • (760) 599-7000 • Fax (760) 599-7007 INTERNATIONAL September 12, 2016 JN 143824 Toll Brothers Inc. 725 Town & Country Rd, Suite 200 Orange, CA 92868 Subject: Vista - Lots 5, 6, 7, 8, 9, 10, & 11 City of Carlsbad Tract No. CT 13-03 Mr. Smiggs: Michael Baker International has performed a field survey on September 12, 2016 to field check Precise Grade Elevations for Lots 5-11 on Glen Avenue. The results of the field survey reveal the Precise Grade Elevations to be within substantial conformance with the City of Carlsbad approved precise grade plans DWG 480-3C, dated January 8, 2016. Sincerely, 1 Tim Thiele, P.E. Project Manager ES S! rM CD N0.c60283 JJ H:\PDATA\143824_ROBERTSON RANCHADMIN\CORRESPNDNC\PG CERTS\TOLL BRO_FORMPA13_CERT02_5-1 1.DOC PLANNING • DESIGN • CONSTRUCTION 5050 Avenida Encinas, Suite 260, Carlsbad, California 92008 8 760.476.9193 8 FAX 760.476.9198 Offices located throughout the Country 0 www.mbakerintl.com LGC Valley, Inc. Geotechnical Consulting September 9, 2016 Mr. James Smiggs Toll Brothers, Inc. 725 W. Town and Country Road, Suite 200 Orange, California 92868 Project No. 133023-10 Subject: Final Geotechnical Certflcation Letter for Lots 5 through 11, Planning Area PA-13, Robertson Ranch, Carlsbad Tract No. 13-03, Carlsbad, California References: LGC Valley, Inc., 2014,, Geotechnical and Environmental Recommendations for Robertson Ranch West, Carlsbad Tract No. 13-03, Carlsbad, California, Project Number 133023-03, dated April 29, 2014 LGC Valley, Inc., 201 As-Graded Completion Letter, Lots 1 through 23, Robertson Ranch, Carlsbad Tract No. 13-03, 4980 El Camino Real, Carlsbad, California, Project Number 133023-03, dated June 9, 2015 In accordance with the request and authorization of representatives of Toll Brothers, Inc., LGC Valley, Inc. (LGC) has provided geotechnical services, during the rough-grading, post-grading, and construction activities (i.e. during grading, utility and/or retaining wall installation, and building foundation construction and bacicfills) for the subject lots. Based on our observations and testing, it is our professional opinion that the grading and construction activities performed have been completed in general accordance with our recommendations, and in compliance with the requirements of the City of Carlsbad. The subject grading, utility/wall backfihls, and foundation excavations are considered suitable for their intended use from a geotechnical standpoint. The presence of our field representative at the site was intended to provide the owner with professional advice, opinions, and recommendations based on the observations of the contractor's work. Although the observations did not reveal obvious deficiencies or deviations from project specifications, we do not guarantee the contractor's work, nor do our services relieve the contractor or his subcontractors of their responsibility if defects are subsequently discovered in their work. Our responsibilities did not include any supervision or direction of actual work procedures of the contractor, his personnel, or subcontractors. The conclusions in this letter are based on test results and observations of the backfill procedures used and represent our geotechnical opinion as to the compliance of the results with the project specifications. If you have any questions regarding our letter, please contact this office. We appreciate this opportunity to be of service. Respectfully Submitted, LGC Valley, Inc. No. 1612 cc IED I - ( ENGINIEPING , * Randall Wagner, CEG 1612 Senior Project Geologist Distribution: (1) Addressee (via e-mail) (1) Kevin Brickley, Toll Brothers (via e-mail) 2420 Grand Avenue, Suite F2, • Vista • CA 92081 • (760) 599-7000 • Fax (760) 599-7007