Loading...
HomeMy WebLinkAboutCT 14-04; Miles Buena Vista; Addendum to Preliminary Geotechnical Evaluation; 2014-03-18• Geotechnical • Geologic • Coastal • Environmental 5741 Palmer Way • Carlsbad, California 92010 • {760) 438-3155 • FAX (760) 931-0915 • www.geosoilsinc.com Miles-Pacific, LP c/o BHA, Inc. 5115 Avenida Encinas, Suite L Carlsbad, California 92008-8700 Attention: Mr. Rod Bradley March 18, 2014 AUG i 8 2014 CITY C := ':,:...:=:LSBAD PLAf\l1,J;;"1G OiVISION W.O. 6637-A-SC Subject: Addendum to Preliminary Geotechnical Evaluation, Proposed Residential Subdivision, 1833 Buena Vista Way, Carlsbad, San Diego County, California References: 1. "Preliminary Geotechnical Evaluation, Proposed Residential Subdivision, 1833 Buena Vista Way, Carlsbad, San Diego County, California," W.O. 6637-A-SC, dated March 17, 2014, by GeoSoils, Inc .. 2. "City of Carlsbad Engineering Standards, General Design Standards," Volume 1, 2004 Edition, by City of Carlsbad. Dear Mr. Bradley: GeoSoils, Inc. (GSI) is providing this addendum to our preliminary geotechnical evaluation report (see Reference 1). This addendum provides revised preliminary asphaltic concrete pavement sections that conform to City of Carlsbad minimum criteria, indicated in Reference 2. Unless specifically superceded herein, the conclusions and recommendations provided in Reference 1 are still considered valid and applicable and should be appropriately implemented during the balance of project design and construction. The revised preliminary asphaltic concrete pavement sections are included in the table below: I ASPHALTIC CONCRETE PAVEMENT . .I TRAFF-IC SUBGRADE A.C. THICKNESS CLASS-2 AGGREGATE T.t.<1> BASE THICKNESS<2> AREA R•VALUE {Inches) (Inches) Private Street 4.5 30(3) 4.0(4) 4.0 Private Street 5.0 30(3) 4.Q(4) 5.5 <11 Assumed Tl values based on a review of Reference 2. The actual value should be confirmed by the Project Civil Engineer prior to construction. 121 Denotes standard Caltrans Class 2 aggregate base R >78, SE >22). 131 Assumed. 141 Citv of Carlsbad minimum thickness. LIMITATIONS The conclusions and recommendations are professional opinions. These opinions have been derived in accordance with current standards of practice, and no warranty, either express or implied, is given. Standards of practice are subject to change with time. GSI assumes no responsibility or liability for work or testing performed by others, or their inaction; or work performed when GSI is not requested to be onsite, to evaluate if our recommendations have been properly implemented. Use of this report constitutes an agreement and consent by the user to all the limitations outlined above, notwithstanding any other agreements that may be in place. In addition, this report may be subject to review by the controlling authorities. Thus, this report brings to completion our scope of seNices for this portion of the project. If you have any questions or comments regarding this letter, please do not hesitate to contact the undersigned. Respectfully submitted, GeoSoils, Inc. John P. Franklin Engineering Geologist, CEG 1340 £&!_ lan B. Boehmer Project Geologist RBB/JPF/DWS/jh Distribution: (2) Addressee (wet-signed) Miles-Pacific, LP 1833 Buena Vista Street, Carlsbad File:e:\wp12\6600\6637a.atp GeoSoils, Inc. W.O. 6637-A-SC March 18, 2014 Page 2