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a c i;a o e lji®9t14 uk'1..,. ` (1•(j.'N'(, <: `1.; 19dAF i'xpK .t W`k'' at 1"i<i. 1. ,'y t.es
Tract ,':4`?gb, l 1;1 336Bar, UP 1 for"1 for I
5`
D"A Ug the ere od (fit° this re jWr n ,C,,VN tio YNS
completed<a(a{ e c p)"{v( 'for€one Jil#,BF;`a in t ddi ion, s
was completed and N) mlroved for oub {prn 11 se=c:tiuns
in v<8Y'1.ons portions of the Lrifct. Placement of fi l i =1a€_s'
pas i .A eRFD1Ed d_e°{ n twg canyons -. and w hognu ; o {'BR, or caad'uns @ two bJ Ert94 k688 y ¢ d(.. u ci-. :.: f°-i16 L, _ -. - ,} o '. vo
salai'(3n f i lls have boo" d:'()mitlf,Wo OL this writing. Agm : o
t e,tvFt BJi o"s were co i € Ced Dno a9 pttrl2ved3 for will! oub-drains in the following vicinities: s
Lots Mi ,.Fa € :enO 11 from e 1evn L i € n H55 to y
3 and 34 f a! ova Li. on 820 to ad3`
r;Bm WY_§V<i -1:ion B25 to OW ocY•,
9hor 1965 t
4J ,,. `8.'.' ,i!'1 P1"-' C. lots t i. i.a d 3€. from lower " 9i c
11 uctober totheir111a lc o, .c 1'H 1 f on and 1965
regp ec°t vnl;ar- . r.
MAW S. Lot 32 from elevation 880 to elevationVIVO
895 on 11 October 1965
9® Canyon writ of the western tract bound-
nry from elevation 810 to elevation 830 on
lOctober 1065 and from elevation 830 to the ,
My upsl ope terminus on 6 October 10651
The drains for sell of the above mentioned sections,
that are approvoo, were placed below all soil and creep mat-
yrial and into competent bndrockn
9 E cave l "n for the buttress fill in the vic-
inity of lut `A wo s c,omp i c ted and aapproveo on 12
October 1965. The ley wvs excavated to compet®A MAN
east bedrock Qa"d below any strata that would day- .,.
light downslopeo
I. fill t 1 uoh aat way:; begun and is continuing
Al in the following areas
1. The two western most canyons, begun on
1 October 1965,
2. Continuing in canyon in vicinity of lots
6828 a ra o
30 Continuing in canyon in vicinity of lots
66 and 67.
Rol In the portions of the .above cra; yons that have
rec i eved fill, the fill materials lea .e been benched ,in1v
corr etent tam + pack, except in those areag at the mouths of
tf canyons. The soils in these areas were tested and ap-
proved by the soils engineer.
Geologic data obtained in the area of the pro-
posedbuttress fill i n they vicinity of lot 9, during this
period, has revealed an average bedding plane dip of os
degrees east of slope. This data indicates that bedding
planes wi l < daylight apnoximntely 200 feet dosrnslopea
The above data has been forwarded to Donald ` . Marren Cam
a iaany for their review,
cc; Donald R, Warren Go! Michael L. Bryan
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gRt rE .,
S E C N 040
A ON
LOW-
Frans"merica Developement c'oan;n ny.
19% boa th hrew i p"yon goad
r .. diamond ."V , C:¢i i i for" N _.,-
x
11:ik_m dames E, Slosson ,and ssociates
Consulting (eologisi s
15373 V.a 1 ley Visla Houlevard.
Sherman Uoks, Cal i fornira •
St 1ldt,,,T9 Hi -monthly progresn 'report for Hq"Kst ri I
3
EstNtes l'ract ; 30'E311, Dj omond HNr, C.a l i fvrnita„
for 15, Uctgber 1965 to 1 vci;o ac i 1963, "
Man
During the period of this; ruport, placement`
of fill was c,'ompl_vtod in one canyon and continued in
3 c:ayot, In ad, Mon, cxc v,t.ion for buttress fill
h van for one l;aree buttress ;and was complotpd in
i ous s"e)tions of the bu t l:ress a
T e h i 11 111 acenaerl t; t'a completed or i s con-
tinuing in canyons In the following; vicinities:
1. Completed and ap roved for canyon
in the vicinity of lots 6m, and 9 on
2 Continuing in em"you in the vicinity
of tots 66 and 6
3. Continuing in the two heStern most
canyons.
In the 1aortions of the above canyons that
MOM, 0 A have received fill, the fi 11 materials Knve boon tench-`
I i nto compe t"aat hpdruck, except in thaw areas .at
the mouths of the cn"vons o The soils in these areas
poi 1 s P n i neer aweretestedlandapprovedbythe ,
11. ESic"v a'tion for the buttress along the
east side of shndoa'a C; neon ,Drive as aimenced? from its
ng
It, arrerr. G6.
3tolzImuer Eriginee.
v ,
rf'IE ER-4 LOG
O; Transamerica Development Compainny
South2900saRoad
is nond Bar, California
FROM: James E. Slo son and Associates
Consulting Geologists
1 373 galley vista oul andzN
Sherman Oaks, California 91403
SUBJECT: Final review of gr rig as specified in Grading
Mond gre mant
The grading «s required for the permit and bond for
2
Tract 30289 was completed in accordance with the specifica-
tions of the grading plan grading --r l.t and bond.
2, Buttress fills were constructed on Lots
a thr ugh IS inclusive, and 50221 through
56 inclusive as specified.
2® A portion of Lot 6 was cut to decrease -asp
and relief and to taus increase stability.
3. Impermeable blanket fills were placed on
all. level (or nearly level) graded surface3s
where bedding was exposed by the grading o
These blanket fills were placed under the
supervision of the Soils Engineer.
a
4. 1-Fills re placed in canyons as per the
plans and permit to stabilize adjoining
areas on Lots 8, 9, 31 through 36 inclusive,
66, 67, and 68 as per our final grading p_
privcal. dated July 18, 11967. Some n attirc-Al
slopes on Lots 31 through 36 inclusive do
have local coedit o n7, (with each lot ° s bound-
aries) of natural t:-,1opes of 150 to 23,0 b m-
ig steeper than the bedding components So'
10 130. `these conditions could have been
remedied in the original grading play s per
our geologic eeporty however, these ci-
ticns were )mown by the Design Engine* r
in conclusion, Transamerica Development Company and
office complied with the specification of the permit and
work _was completed in good AN&
In the portions of he above conyons thdit 1uive
receivedfill, the Yi11 mn have been benched into
competent bedrock, except isk tlr ose areas kit the mutiths
of the car rcroso The soil; in those re,s were tested
and approvc d by the Soils Iblllgikleey
II ® Excavation for buttress fill was con-
tinued or has commenced in the following areas:
A new buttress design was submitted by Donald
R, Warren Company and reviewed November 3, 1965. The
proposed buttress is 1oca1ed below Shadow Canyon Drive
in the vicinity of lots 67 and 68. The buttress ap ears;: MKIN
satisfactory .and meets all reyuirments from the stand-
puint of engineering geology,
a Aie aael L. I cyan
Engineering Ono ogi st
s f James Lea Slosson
Supervising Lngineering;
x
t Geologist
November 16, 1965
c, Donald U. Warren Company