10 - Geotechnical In-Concept ApprovalGeotechnical In -Concept Approval
ATTACHMENT - 7
Category 4 P.N. 97082-1642A
CITY OF RANCHO PALOS VERDES
GEOTECHNICAL INVESTIGATION RESPONSE REVIEW CHECKLIST
Date Received:
Date of Response:
Consultant:
Signed By:
Prior Report
Applicant Name
Site Address:
Lot/Tract No.:
Proposed Project:
February 17, 2015
February 10, 2015
Hamilton & Associates
David T. Hamilton
Michael F. Mills
January 13, 2014
November 21, 2014
Kevin Chen C/o Envirotechno Architects
10 Chaparral Lane
Rancho Palos Verdes, California
Date Completed:
Their Job No.:
License/Expiration Date:
Prior Review:
Legend:
February 23, 2015
14-1876
GE 2721 Exp 6/30/15
CEG 994 Exp 2/29/16
January 26, 2015
December 24, 2014
N =No
Y =Yes
NA = Not Applicable
A.P.N.:
New single family 1 and 2 story residence with associated retaining walls, swimming pool and
on-site septic. Chaparral Lane access to be expanded by a caisson retaining wall.
Prior Reviews by Others
Consultant:
Professional Engineers Consulting, Inc. Their Job No.:
FC0907
Date of 7d' Response:
October 5, 2011 Prior Reviews:
October 27, 2011
Date of 6d' Response:
September 15, 2011
October 4, 2011
Date of 5t1i Response:
February 1, 2011
February 17, 2011
Date of 4t' Response:
December 29, 2010
January 27, 2011
Date of 3rd Response:
July 28, 2010
August 5, 2010
Date of 2nd Response:
December 18, 2009
January 25, 2010
Date of I" Response:
September 15, 2008
October 2, 2008
Original Report:
November 4, 2007
November 26, 2007
• Geotechnical Response:
lN Responsive to checklist comments
Grading/foundation plans changed as a result of response
• Recommended Actions:
Planning Department:
_ In Concept Approval for Planning Purposes
X *In Concept Approval for Open Space Hazard Relocation (see Comment 4)
Building and Safety:
Report Approved Conditional Approval (See Below) X Additional Input Required
Items requiring response/further evaluation:
1. The proposed new residence will be served by an on-site septic system. The proposed septic system shall be determined to
be acceptable by the Los Angeles County Heath Department. Consultant has agreed to provide confirmation to the city prior
to approval of geotechnical documents. Once approved, the septic system including leach field (if any) shall be illustrated
on all future maps for the project.
2. Consultant has acknowledged that prior to Building and Safety approval, the consultant shall provide a complete
geotechnical grading/foundation plan review report based on an engineered plans for both the residence and associated
retaining walls and improvements and the access road retaining wall. The results of subsurface investigation and laboratory
testing should be included, along with detailed geologic cross sections depicting proposed structures, grading, temporary
cuts, typical foundations, recommended setbacks, property lines, and adjacent structures.
Additional Comments/Conditions of Approval (no response required):
Note to City Staff. Staff should confirm that the Consultants (C.E.G. and R.C.E./G.E.) have signed the final dated
grading/foundation plans, thereby verifying the plans' geotechnical conformance with the Consultant's original report and
associated addenda.
ATTACHMENT - 8
S:\nroiects\1997\97082\97082-1642A 3rd Review 2-15.doc 10 Chaparral Lane
Category 4 P.N. 97082-1642A
CITY OF RANCHO PALOS VERDES
GEOTECHNICAL INVESTIGATION RESPONSE REVIEW CHECKLIST
4. *The subject site is within an open space hazard zone. The consultant has demonstrated that the open space hazard limit line
(OSHLL) may be relocated to allow for construction of the proposed improvements from a geotechnical perspective. The
geotechnical consultant has provided a map illustrating the existing and proposed OSHLL for the project in their February
10, 2015 response.
5. The proposed new residence will be served by an on-site septic system. The proposed septic system shall be determined to
be acceptable by the Los Angeles County Heath Department. Confirmation shall be provided to the city prior to approval of
geotechnical documents.
6. A caisson wall is to be used to mitigate the landslide adjacent access road. This wall should be installed under a separate
permit prior to construction of the proposed residence. Based on proposed wall location, a major portion ofthe wall will be
located on the adjacent property. City should confirm that all appropriate encroachment permits are obtained.
7. An as built geotechnical report should be prepared by the project geotechnical consultant following grading/construction of
the subject site improvements. The report should include the results of all field density testing, depth of reprocessing and
recompaction, as well as a map depicting the limits of grading, locations of all density testing, and geologic conditions
exposed during grading/excavation. The report should include conclusions and recommendations regarding applicable
setbacks, foundation recommendations, slope stability, erosion control and any other relevant geotechnical aspects of the
site.
Limitations:
Our review is intended to determine if the submitted report(s) comply with City of Rancho Palos Verdes Codes and generally
accepted geotechnical practices within the local area. The scope of our services for this third party review has been limited to a
brief site visit and a review of the above referenced report and associated documents, as supplied by the City of Rancho Palos
Verdes. Re -analysis of reported data and/or calculations and preparation of amended construction or design recommendations
are specifically not included within our scope of services. Our review should not be considered as a certification, approval or
acceptance of the consultant's work, nor is it meant as an acceptance of liability for final design or construction
recommendations made by the otec ical consultant of record o�r(the
�project designers or engineers.
VM,.
BY-ancaster, Jr., C. 1927 Expires 6/30/16 Dante P. D m�g .E. 57939 Expires 6/30/16
NSULTING G UP, INC. KLING CONSULTING GROUP, INC.
ATTACHMENT - 9
SAproiects\1997\97082\97082-1642A 3rd Review 2-15.doc 10 Chaparral Lane