HomeMy WebLinkAboutCT 82-26; JOCKEY CLUB; INTERIM SOILS REPORT; 1986-01-21c
Testing Engineers -San Diego ¶ g
LI'
A Division of United States Testing Company, Inc.o
3467 Kurtz St., P.O. Box 80985, San Diego, CA 92138 (619) 225-9641
January 21 198
Job No 70021
The Jockey Club
7410 Almaden Lane
Carlsbad California 92.008
PttEnt on 8111 j n
Subject: Interim Soils Report On Compacted Fill
Building Fads 1 Throuqh 9
Jockey Club Condominium t-r03ect
La Costa, City of Carlsbad California
Gentlemen:
This report presents the results of field density tests
performed and observations made during the remo'al and
compaction of soil, on pads 1 through 9 of the subject property,
from December iq 1985 through January 1 1986 Recommendations
concerning site development and fill placement were previously
issued in a report issued by GeoSol ls Incorporated dated
December 209 1982.
Bill Hawkins : p c ? No 2
Jockey Club Condomini um Project January 21 , 1986
3 o b No. 70021
TREATMENT OF' EXI SET INGGROUND
pr-ç-1j' to the start of earthwork, all vegetation, trash, and
other deleterious materials, were removed and disposed of
properly .
Prior to placement of compacted fill, topsoil and loose
surf ± ci al soils were removed to competent natural material 6r to
a mini mum depth of five -feet below final pad grade removal
depths averaged seven feet The extent of removals are
indicated on Plate 1
FILL PLACEMENT
Fill materials placed were obtained from on-site grading and
consisted of sandy clays and clayey sands Fill placement and
grading operations were evaluated, by arepresentative of this
office throughout the grading periad V
Compacted fill material was placed in"uniform lifts
(approximately six inches) , brthught to approximate optimum V
moisture content and mechanically compacted to a minimum dry
Bi ll Hawkins - Facie No 3
Jockey Club Condomini um Project- January 21 1986
Job No 70021 ,
dEnisty of 9) percent of the laboratory standard (STM Test
Method D-1557--70), Fill containing rocks larger than eight
i rches was stockpiled and removed from the subject site.
Field dnsity test were preformed on an intermittent basis by a
qeotechnical technician throughout the grading operations
Testing was performed utilizing the sand replacement method,
ASTM Test,Method D-1556 Results of these tests indicate that
fill placed on Fads 1 through 9 as shown on the attached plate
betven Dece!ber 1, 1985 and January 1, 1986, has, been compacted
to a minimum dens i t f 90- percent of the 'laboratory standard
Test results are presented on Table 1; test •i ocati ons are shown
on Plate 1
The opportunity to be of service is sincerely appreciated, and
should you have any questiops regarding this report, please feel
welcome to contact our office.
Very truly yours,
-Cohn Fullerton Roy E Moore, RCE 28119
Staff Geologist Principal Geotechnical Engineer
REM/CFeg
Enclosures
S
TABLE :1.
F I ELD... DENSITY . TEST SUMMARY
APPROXIMATE MOISTURE DRY
ELEVATION CONTENT DENSITY SOIL
(feet) (7.) (pf) TYPE
16.0 14.9 111.9 5
16.0 13.0 115.0 4
16.5 16.9 123.9 5
16.0 14.9 125.8 4
17.5 143 124.4 4
18.0 17.6 .112.8 5
17.5 14.9 1204 4
19.5 16,3 114,3 5
19.0 16.3 1132 5
20.0 16.3 115.5 5
20.0 16.3 114.8 5
21,0 .17.6 116.4 5
20.5 16.3 1146 5
14.5 15.6 118.6 5
16.5 15.6 114.5 5
18.0 13.6 118.2 5
20.0 19.0 109.2 5
20.0 14.9 112.0 . S
2J..0 16.3 117.1 5
22.0. . 16.3 : 120.9 5
23.0 16.3 118.4 5
21.0 13.6 115.5 4
18.5 11.1 125.0 4
.20.0 14.9 126.4 4
20.0 14.9 122.0 4
21.0 14.3 113.6 4
20.0 15.6 113.3 5
22.0 17.6 122.0 5
21.5 12.4 121.5 4
19.0 16.3 115.7 .5
18.0 16.3 116.8 5
20.5 19.0 112.2 5
19.5 16.3 113.7 5
20. C) 11 . 1 125.7 3
19.0 11.1 . 124.6 3
21.5 11.1 121.9 3
TEST
'1JM}3ER
1
4
S
7
8
9
10
11
12
13
14
15
16
17-
17A
18
19
20*
"1
22
23
24
25
26
27
28
29
-:1)
31
-
34
35
(7.)
COMPACTION COMMENTS
91
92
+ 100
+100
+ 1 00
91
57
9,-i
92
93
9
'94
93
96
93
96
88 See #17A
91 RETEST of 17
95
98
96
93
+100
+ 100
98
91
92
99
98
94
94
91
92
98
97
95
*Tests 09 through 32 do not apply to this report,
and taken in adjacent areas, . •.
Bill Hawl.::ins Page No. 6
Jockey Club Condominium Frject January 21, 1986
Job No. 70021
TABLE 1
FIELD DENSITY TEST SUMMARY (CONTINUED)
APPROXIMATE MOISTURE DRY
TEST ELEVATION CONTENT DENSITY SOIL (7.)
NUMBER (feet) () (pcfl TYPE COMPACTION COMMENTS
36 23.0 9.9 124.8 3 98
37 20.5 9.9 126.0 3 99
38* 15.0 16.3 108.3 5 88 SEE #38A
38A* 15.0 14.9 115.3 5 93 Retest of 38
39 22.5 14.9 119.1 5 96
40*
41 18.5 14.9 111.6 5 90
42 22.0 14.9 117.9 5 95
4: 20.0 14.9 121.5 5 98
44 23.0 14.9 120.4 5 97
45' 21.5 14.9 122.7 5 99
46 23.0 14.9 122.7. 5 99
*Tests 38, 380, & 40 do not apply to thisreport,
and were taken in adjacent areas.
TABLE 2
SOIL DESCRIPTION
Reddish brown sandy clay with
gravel (CH).
Light brown sandy clay (CH).
Yellowish brown sandy clay with
gravel (CH). -
Brown clayey sand (SC).
Brown clayey sand (SC).
MAXIMUM OPTIMUM
DENSITY MOISTURE
(pc-f) . (7.)
126.0 10.1
1253 10.5
127.8 9.0
1"44 11'
123.6.. 11.6
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EXPLANATION
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COMPAcsoi irsr .ocio.is• \ , / ,' -Testing Engineers—San Diego
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