HomeMy WebLinkAbout_2025-07-09-SL13552-1 Enclave Lot 24 Plan Review #5_v1 (1)
GEOTECHNICAL PLAN REVIEW #5 – Lot 24 Hansen Lane (CIVIL)
Dear Vellum Inc.,
This report presents the results of our geotechnical review of the project plans for the
proposed single-family residence to be located on Lot 24, Hansen Lane within The
Enclave - Phase III of Tract 3063, San Luis Obispo, California. The purpose of our review
was to evaluate the proposed plans for with respect to geotechnical recommendations
provided in the referenced reports and with known site conditions. Our review was
conducted for the sheets listed in Table 1 below.
Table 1: List of Sheets Reviewed
Title Date Sheet Prepared By
Cover Sheet July 1, 2025 C1.0 Walsh Engineering
Notes July 1, 2025 C2.0 Walsh Engineering
Grading and Drainage Plan July 1, 2025 C3.0 Walsh Engineering
Site Cross Sections July 1, 2025 C5.0 Walsh Engineering
Details July 1, 2025 C6.0 Walsh Engineering
Retaining Wall Profile July 1, 2025 RW1.0 Walsh Engineering
It is our opinion that the proposed plans (as listed in Table 1) are in general
conformance with the recommendations presented in the referenced reports.
If subsequent changes are made to the reviewed plans, GeoSolutions, Inc. must be
notified of said changes to verify continued compliance with the referenced reports.
ADDITIONAL GEOTECHNICAL SERVICES
It is assumed that GeoSolutions, Inc. will be retained to perform construction inspections
and testing as required including, but not limited to, stripping, grading, over-excavating,
subdrain placement, compaction, retaining wall backfill placement, imported materials,
and foundation excavation.
LIMITATIONS
Our review was performed in accordance with the usual and current standards of the
profession, as they relate to this or similar localities. No other warranty, expressed or
implied, is made as to the conclusions and professional advice included in this plan
review.
It should be noted that it is the responsibility of the owner or his/her representative to
notify GeoSolutions, Inc. a minimum of 72 hours before any stripping, grading, or
foundation excavations can commence at this site.
In addition to the construction inspections listed above, section 1705.6 of the 2022 CBC
(CBC, 2022) requires the following inspections by the Soils Engineer for controlled fill
thicknesses greater than 12 inches as shown in Table 2: Required Verification and
Inspections of Soils:
DATE:
July 8, 2025
PROJECT NUMBER:
SL13552-1
CLIENT:
Vellum Inc.
3590 Broad Street
Ste 130
San Luis Obispo, CA
93401
PROJECT NAME:
Lot 24 Enclave
Hansen Lane
San Luis Obispo
California
Enclave Phase III, Plan Review #5
July 8, 2025 Project SL13552-1
2
Table 2: Required Verification and Inspections of Soils
Verification and Inspection Task
Continuous
During Task
Listed
Periodically
During Task
Listed
1. Verify materials below footings are adequate to achieve the design
bearing capacity. - X
2. Verify excavations are extended to proper depth and have reached
proper material. - X
3. Perform classification and testing of controlled fill materials. - X
4. Verify use of proper materials, densities and lift thicknesses during
placement and compaction of controlled fill. X -
5. Prior to placement of controlled fill, observe sub-grade and verify that
site has been prepared properly. - X
The recommendations of this review are based upon the assumption that the soil conditions do not
deviate from those disclosed during the soil engineering study. Should any variations or undesirable
conditions be encountered during the development of the Site, GeoSolutions, Inc. will provide
supplemental recommendations as dictated by the field conditions.
This review is issued with the understanding that it is the responsibility of the owner or his/her
representative to ensure that the information and recommendations contained herein are brought to the
attention of the architect and engineer for the project. The owner or his/her representative is responsible
to ensure that the necessary steps are taken to see that the contractor and subcontractors carry out such
recommendations in the field.
As of the present date, the findings of this review are valid for the property studied. With the passage of
time, changes in the conditions of a property can occur whether due to natural processes or to the works
of man on this or adjacent properties. Therefore, this review should not be relied upon after a period of
one year without our subsequent review nor should it be used or is it applicable for any properties other
than those studied. However, many events such as floods, earthquakes, grading of the adjacent
properties and building and municipal code changes could render this review invalid in less than a year.
Thank you for the opportunity to have been of service in preparing this report. If you have any questions
or require additional assistance, please feel free to contact the undersigned at (805) 543-8539.
Sincerely,
GeoSolutions, Inc.
Kraig R. Crozier, PE
Principal, C61361
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Enclave Phase III, Plan Review #5
July 8, 2025 Project SL13552-1
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References
Soils Engineering Report Update, Orcutt Area Expansion Specific Plan, Including APN: 004-705-008;
004-706-002, 006, -007, -008, and -009; 004-707-001; and 053-061-024, San Luis Obispo City and
County, California, by GeoSolutions, Inc., Project No. SL07509-10, dated January 8, 2019.
Field Grading Report #8 – Tract 3063, Phase III – Rough grading, Orcutt Area Expansion Specific Plan,
Phase III, Tract 3063, San Luis Obispo, California, by GeoSolutions, Inc., Project No. SL07509-10,
dated February 24, 2021 (revised).
Soils Engineering Report Update, The Enclaves, Lots 1, 6, 22-26, and 34, Off Orcutt Road, San Luis,
California, by GeoSolutions, Inc., Project No. SL13552-1, dated September 11, 2023.
Geotechnical Plan Review #1, The Enclaves, Lot 25, 1415 Hanson Lane, San Luis, California, by
GeoSolutions, Inc., Project No. SL13552-1, dated December 4, 2023.
Geotechnical Plan Review #2, The Enclaves, Lot 26, 1421 Hanson Lane, San Luis, California, by
GeoSolutions, Inc., Project No. SL13552-1, dated December 19, 2023.
Geotechnical Plan Review #3, The Enclaves, Lot 34, 1469 Hanson Lane, San Luis, California, by
GeoSolutions, Inc., Project No. SL13552-1, dated December 13, 2024.
Geotechnical Plan Review #3 Revised, The Enclaves, Lot 34, 1469 Hanson Lane, San Luis, California, by
GeoSolutions, Inc., Project No. SL13552-1, dated December 13, 2024, Revised January 14, 2025.
Geotechnical Plan Review #4 – Lot 24 Hansen Lane, San Luis, California, by GeoSolutions, Inc., Project
No. SL13552-1, dated February 12, 2025.
Geotechnical Plan Review #4 Revised – Lot 24 Hansen Lane, San Luis, California, by GeoSolutions,
Inc., Project No. SL13552-1, dated April 23, 2025.