HomeMy WebLinkAboutTract Map 3929 Lot 153 Supplemental Earthwork Recommendations
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LAKESHORE
Engineering
Consulting Civil Engineering and Geologists
October 10, 1994
Project No. 94-45
Client:
Mr. and Mrs. Craig Davis
c/o Mr. Maxwell
31600 Railroad Canyon Road
Canyon Lake, CA 92587
Attention: City of Temecula
Department of Building and Safety
Subject:
Supplement Earthwork Recommendations
Lot 153, Tract 3929
Monte Verde Road, Temecula, CA
Reference: Soil and Foundation Report
Dated July 15, 1994 (P.N. 94-045.PI)
Gentlemen,
Per the City of Temecula ngiineering omments, we are providing
sUPPlemental~n~r mat1on~regar 1ng the construction of proposed
fill slope, eyway and oenching that will be required during the
rough grading operation at the site. The recommendations herein
should be incorporated into the earthwork construction at the subject
site. All recommendations in the reference report remain applicable,
unless superseeded below.
Slope Stability
A review of the proposed grading plan indicates that slopes will be
constructed at a variable slope ratio from a 3:1 to a 10:1 (H:V).
Fill slope height will be less than 5 feet. Proposed slopes are
considered to be grossly stable and should be suitable for its
intended use when constructed using select fill material and under
the soil engineer's supervision and testing.
Slope Kevwav and Benchinq
Construction of fill slope will require keyway and benching into
competent material before fill placement. Depth to competent soils is
estimated to be 4 to 5 feet below grade, therefore keyway dimension
should be at least 5 feet in depth and of equipment width, 10 feet
typically. Actual keyway sizes are to be determined in the field
during field excavation inspections by the consulting geologist
and/or engineer.
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31606 Railroad Canyon Road, #201 . Canyon Lake, CA 92587 . (909) 244-2913 . FAX: (909) 244-2987
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October lO, 1994
Project no. 94-035PI
Page Two
Benching into competent natural terrain will be required to provide a
satisfactory bond between fill over native material. The benches are
cut vertical and limited to 4 feet or less in height. Field
conditions (exposed cuts) will dictate the location and allowable
height of benches. Inspection of benching during the grading
operation is required to verify that the contact between fill and
native is satisfactory for its intended purpose.
We sincerely appreciate this opportunity to be of continued service
on this project. If you have any other questions, please do hestita
to contact the undersigned at your convenience.
Attached: Copy of Soils Report.
Lakeshore Engineering z.
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REFERENCE SOILS AND FOUNDATION REPORT