HomeMy WebLinkAboutPD 2020-0036; PLAZA BONITA SLOPE REMEDIATION; THIRD PARTY GEOTECHNICAL REVIEW (SECOND); 2020-11-30HETHERINGTON ENGINEERING, INC
SOIL & FOUNDATION ENGINEERING • ENGINEERING GEOLOGY • HYDROGEOLOGY
November 30, 2020
Project No. 9236.1
Log No. 21229
City of Carlsbad
Land Developwer t Engi ii cri ng
1635 Faraday Avenue
Carlsbad, Califorria 92008
Attention: Mr. David Rick
Subject: THRD-PARTY GEOTECITNICAL REVIEW (SECOND)
Slope Pailure
2210 Plaza 130nita
Carlsbad, California
Project ID: PD2020-0036
References: 1. "Geotechnical Inspection of Slope Failure, 2210 Plaza Bonita, Carlsbad,
CA 92309", by MarLn R. Owen N, GE, dated June I, 2020.
"Grading Plans For: $lope Repair,. 2210 Plaza Bonita", by The Sea Bright
Company, dated October 5, 2020 (Sheets 1 through 4).
"Response to. Third-Party Geotechnical Review and Supplemental
Geotechnical Investigation ol Slope Failure, 2210 Plaza l3onita, Carlsbad,
California 92009, Project ID: PD2020-0036", by Martin R. Owen PE,
GE, dated November 18, 2020.
Dear Mr. Rick:
In accordance 'Wit-3 your request, Hetherington Engineering, Inc. has provided third-party
geotechnical reviw of Reference 3. Based on Our review, the Geotechnical Consultant has
responded to our prior comments and we have no additional comments. Observation and
testing by the Geoteclinical Consultant during grading and construction should be required to
verify anticipatec conditions or to revise the geotechnical recommendations as considered
necessary. A fina! geotechnicaI report of grading and construction should be required.
The opportunity to be of service is sinceiely appreciated. If you have any questions regarding
this review, please contact this office at your convenience.
Sincerely,
HETHERINGTON
PAULA
Mark D. Hetherington ' $o. 397 A. Bogseth .
Civil Engineer 348 EV. _______ èssional Geologist 3772
Geotechnical Engineer 3 * * tified Engineering Geologist 1153
(expires 3/3.1/22) ertified Hydrogeologist 591
5365 Avenida Encinas, Suite A• 92è 3Y931-1917 • Fax (760) 931-0545
333 Third Stree • Laguna Beach, CA 9265 • (949) 715-5440 • Fax (949) 715-5442
www.hetherirgtonencineering.com
THIRD-PARTY GEcTECHmm:AL RF.VIEW (SECOYD
Project No. 9236.1
Log No. 21229
November 30, 202Q
Page 2
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