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Home My WebLink AboutSDP 16-12; CARLSBAD VETERANS HOUSING; RESPONSE TO REVIEW COMMENTS; 2020-04-29A NOVA GEOTE(PIIIUJCAL 1RlfI\TEflfl MATERIALS MAY 0 6 2020 LAND DEVELOPMENT SPECIAL INSPECTION ENGINEERING DVBE • SBE • SDVOSB • SLBE Affirmed Housing Group C/O Marie Allen 13520 North Evening Creek Drive San Diego, CA 92128 Attention: Ms. Allen April 29, 2020 NOVA Project No. 3019097 (via email; marie@affirmedhousing.com) Subject: Response to Review Comments Proposed Three-Story Apartment Building 3606-3618 & 3630 Harding Street, Carlsbad, California References: CWE 2016a. Report of Preliminary Geotechnical Investigation, Affirmed Housing, 3606-3618 & 3630 Harding Street, Carlsbad, California, Christian Wheeler Engineering, June 2, 2016. NOVA 2020. Update Geotechnical Engineering Report, Proposed Three-Story Apartment Building, 3606- 3618 & 3630, Carlsbad, California, NOVA Services, March 12, 2020. KLE 2020. Grading Plans For: Harding Veterans Housing, 3606, 3618, 3630 Harding Street, Kettler Leweck Engineering, April 21, 2020. The intent of this letter is to respond to comments by the City of Carlsbad third-party review, regarding its review of the above-referenced geotechnical report. The comments were prepared by Hetherington Engineering, Inc. under cover Third-Party Geotechnical Review (First), March 31, 2020 and are referenced herein as Hetherington 2020.' NOVA Services, Inc. (NOVA) is retained by Affirmed Housing Group as Geotechnical Engineer- of-Record (GEOR) for the project. REVIEW COMMENTS AND RESPONSES The following text reproduces comments in Hetherington 2020 regarding geotechnical-related design for the above-referenced project. Comments from Hetherington 2020 are reproduced below in italics, following which a response is provided by NOVA. Comment 1. The 2019 California Building Code (CBC) and ASCE 7-16 are the governing codes. The Consultant should confirm that the geotechnical recommendations are consistent with these documents. Response. NOVA understands that this project was initially submitted prior to January 1, 2020 and the initiation of the new governing codes. NOVA understands the project qualifies for 2016 CBC and ASCE 7-10. 4373 Viewridge Avenue, Suite B San Diego, CA 92123 P: 858.292.7575 www.usa-nova.com 944 Calle Amanecer, Suite F San Clemente, CA 92673 P: 949.388.7710 A 441' NOVA Response to Review Comments Proposed Three-Story Apartment Building 3606-3618 & 3630 Harding Street, Carlsbad, CA NOVA Project No. 3019097 April 28, 2020 Comment 2. The Consultant should review the project grading and foundation plans, provide any additional geotechnical recommendations considered necessary, and confirm that the plans have been prepared in accordance with the geotechnical recommendations. Response Acknowledged. NOVA has reviewed the referenced grading plan by Kettler Leweck. The geotechnical recommendations have been properly implemented into the grading plan. NOVA will review and sign/stamp additional plans or provide a plan review letter when additional plans have been received. Comment 3. The consultant should provide an updated geotechnical map/plot plan utilizing the latest grading plan for the project to clearly show (at a minimum) a) existing site topography, b) proposed structures/improvements, c) proposed finished grades, d) locations of the subsurface exploration, e) geologic contacts, and f) remedial grading limits, etc. Response. The requested geotechnical map has been revised to reflect the latest grading plan and are attached hereto as Plate 1. Comment 4. References 3 and 4 refer to a Christian Wheeler Engineering geotechnical investigation report, dated June 2, 2016. The Christian Wheeler Engineering geotechnical investigation reported submitted is dated August 4, 2016 (Reference 2). Response. Noted. The content of the Christian Wheeler Engineering report dated April 20, 2016 was limited to providing preliminary recommendations. NOVA now understands that this repori was not submitted. NOVA will remove future references to the Christian Wheeler Engineering report dated April 20, 2016. CLOSURE NOVA appreciates the opportunity to be of continued service to Affirmed Housing Group for the subject project. Should you have any questions regarding this letter or other matters, please contact the undersigned at (949) 388-7710. OFESSIO 7/1ç Sincerely, NOVA Services, Inc (1?' C84335 Jesse D. Bearfield, RCE 84335 Attachments: 1) Plate 1. Subsurface Investigation Map A NOVA Response to Review Comments Proposed Three-Story Apartment Building 3606-3618 & 3630 Harding Street, Carlsbad, CA NOVA Project No. 3019097 April 29, 2020 ATTACHMENT I SUBSURFACE INVESTIGATION MAP - LLJ - - - - J Pi 204-'192-06 ' k61 PLAN VIEW / YA, T ON drIø ' < 2.6CfI/HP I r-. I I llhIv2 ff - - Qop - - (Fr62.7o) Tsa B-i ;i r 11 <' 117H/ JJ iiIi Till \i-JN U4i2-'i2 LOT :5 / 4,fJ— .=9110 M-N : Cff.7O 2 62n IFS Qaf LOT 4 BLOCK B Qop 4AP NO 2027 Tsa B-3 FUNRE CAL IRAN$ j a CONSIRUCIION TT T 625 1 I! I! Fr EIEYAI?CNS PRO1LJEV 1 BY DAHUN GROUP ON 4/24/16 INSPECTION NOVAI DyNE. S.E. SDVOSB. SLOE 944 CaIle Amaneceer, Suite F San Clemente, CA 92675 P: 949.388.7710 4373 Viewridge Avenue, Suite B San Diego, CA 92123 P: 858.292.7575 www.usa-nova.com I- w w I— (I) Zz LL X0 corn Cl cn —J ca of COO Co c") I Co 0 c) PROJECT NO.: 3019097 DATE: APRIL 2020 DRAWN BY: DTW REVIEWED BY: JDB SCALE: 11=20' DRAWING TITLE: SUBSURFACE INVESTIGATION MAP PLATE NO. 1 6 I I MATERIALS aa SPECIAL I. T rrw l_. ii • 1; - • -- W :<.7jjj !: .. • . j ••,.,• I':4r .2' • : ..•If1II • L '.:' S • KEY TO SYMBOLS Qaf FILL Qop OLD PARALIC DEPOSITS GEOLOGIC CONTACT, QUERIED WHERE INFERRED APPROXIMATE LIMITS OF ANTICIPATED REMEDIAL GRADING 0 20 40' r2EflI CITY OF CARlSBAD £NGIPCERIBG RADISO P1.Oi 16 ((47•\ KE1TLER*LEWECK I HARDING VETERANS HOUSING EN C IN £ ER IN C 3808,3818.3830 NARDINC STREET SAN DIEGO, CA 621 1620 FIFTH AVENUE. os_ cR*fl.0 PW SUITE 675 01 [ORD JAS 4 S. CD.0E61 t: 619 269-3444 I I: - 619 269-3459 CrC D4PBES 63912DOWS 9/30/10 DAM owwk.ttl.rlewosk.000, BE 0I,C,t P#OXCT NO. •DRBWG NC, EBBS BE_I RWV BE_I SDP 16-12 I52-4Al Tsa SANTIAGO FORMATION B-3 GEOTECHNICAL BORING (CHRISTIAN 14 WHEELER, 2016)