HomeMy WebLinkAbout; Hidden Meadows Access Road; Soils Report; 1981-09-30MASS GRADING.
SOIL AND GEOLOGIC REPORT
ALGA RD., CORINTIA ST.,
HIDDEN MEADOWS ACCESS RD.,
MELROSE AVE., AND DISPOSAL SITE
EAST OF MELROSE AVE., CARLSBAD, CA.
W.O. 1140 September 30, 1981
ENGINEERING DEPT. LIBRABY City of Car&bad
2075 Las Palmas Drive
Carlsbsd CA92009.4859
EBERHART 8 STONE, INC.
EBERHART 8 STONE, INC. DAN R. EBERHART. CEG
GEOTECHNICAL CONSULTANTS GERALD L. STONE, RCE
2211 E. WINSTON ROAD, SUITE F . ANAHEIM. CA 92806 . (714,991 -0163 6353 EL CAMINO REAL. SUITE C . CARLSBAD. CA 92cml . ,714,438-9416
W.O. 1140
September 30, 1981
Daon Corporation
4041 MacArthur Blvd.
Newport Beach, CA 92660
Attention: Mr. Pat Edgerton
Subject: Mass Grading Soil and Geologic Report, Alga Road, Corintia
Street, Hidden Meadows Access Road, Melrose Avenue, and
Disposal Site east of Melrose Avenue, Carlsbad, California.
References : 1) Preliminary Geotechnical Investigation for Hidden Meadows
Access Road, by Eberhart-Axten & Associates, Inc., dated
January 8, 1981 (W.O. 1165).
2) Geotechnical Investigation for La Costa Major Roads Project,
by Eberhart-Axten & Associates, Inc., dated January 8, 1981
(W.O. 1140).
3) Preliminary Geotechnical Investigation for Stockpile Site East
of Proposed Melrose Avenue, by Eberhart-Axten & Associates, Inc.,
dated April 13, 1981 (W.O. 1140E).
4) Pavement Section Design Alternatives, Major Roads Project,
by Eberhart & Stone, Inc., dated September 10, 1981 (W.O. 1140).
Gentlemen :
Presented herein is a review of the testing and observations provided by this
firm during mass grading operations for the subject roadways between about
July 6, and September 3, 1981.
Grading operations under the purview of this report have been accomplished
by Eagle Equipment, Inc., with observations and testing provided by this
office. It is this firm’s opinion, based upon observations and testing, that
the grading operations performed to date have been in accordance with UBC
Chapter 70, as well as the regulations established by the governing authori-
ties. It is this firm’s further opinion, based upon observations and testing,
that the roadways as-graded are suitable for the improvements proposed.
PROPOSED IMPROVEMENTS
Grading of the subject site was accomplished for the purpose of providing
compacted earth embankments and/or cuts for the proposed Hidden Meadows
Access Road, Corintia Street, and Melrose Avenue. Reworking of the upper
six inches of Alga Road, which was previously graded and reported on by
others, was also accomplished. Excess soil, qenerated from grading along
Melrose Avenue, was placed as compacted fill-in a disposal site east of Melrose
Avenue. To date, no construction plans have been received by this office for
Daon -2- W.O. 1140
the disposal site. A 50-foot wide easement was left in a “natural” state where
a pressurized sewer main exists.
ENGINEERING GEOLOGY
The site is located along the west flanks of the Peninsular Range Geologic
Province of Southern California. A thin veneer of soil overlies the sandstone
and siltstone of the Del Mar Formation, consisting of granitic rocks of the
Southern California Batholith and meta volcanics of the Santiago Peak Formation.
Earth Materials
In general, upper portions of the residual soils and upper portions of previously
placed compacted fills were considered unsuitable to support compacted fill.
They were removed to firm underlying existing fill, firm underlying residual
soil or bedrock. These underlying materials were tested and considered suitable
to receive compacted fill. The approximate locations of such soils are shown
on the geologic map, with the exception of topsoil.
Trash
End-dumped piles of trash, consisting of concrete, vegetation, paper and other-
wise unsuitable materials, were encountered on Alga Road near the intersection
of El Fuerte Street. These materials were disposed of offsite.
Fill -
Compacted fill materials generally consisting of onsite materials, were encountered
along Alga Road. These fill materials were placed under the supervision of
Benton Engineering. The fill is composed of fine sandy silts and clayey silts
derived from the underlying Del Mar Formation. These soils are tan to medium
brown in color.
Colluvium
Colluvium consisting of thick topsoil and weathered bedrock was present along
the flanks of natural slopes and near the bottoms of broad valleys. Most of these
soils consisted of dark brown clayey silts and silty clays. Removals of colluvial
soils ranged between two feet and four feet, with locally deeper removals to
six feet. Colluvium was encountered along the Hidden Meadows Access Road,
Melrose Avenue, Corintia Street and the disposal site.
Alluvium
Alluvium encountered was very similar to the colluvium. This material generally
consisted of silty clays, clayey silts and sandy silts, which were dark brown
and dry to damp, with locally wet areas. These soils were encountered along
the natural area of the sewer easement through the center of the disposal site.
Depths of the alluvial materials averaged between three feet and four and one-
half feet. These soils were removed and replaced as compacted fill.
EBERHART 8 STONE, INC.
Daon -3- W.O. 1140
GEOLOGIC UNITS
Del Mar Formation (Tdm)
The eocene age Del Mar Formation is composed of near-shore and lagoon deposits
which are light gray to yellow, fine to medium grained sandstones, interbedded
with thick sequences of medium gray to olive gray arenaceous shales and clay-
stones. Shales and claystones are well consolidated and contain concretionary
beds with occasional molluscan fossils. Some cut slopes in this formation were
marginally stable and have been evaluated on an individual basis for remedial
grading requirements.
Granitic Rocks (Kgr)
The cretaceous age rocks are part of the Southern California Batholith. These
rocks are typically very dense and hard. They were only encountered along
the alignment of the Hidden Meadows Access Road, although they probably
underlie the entire site at depth. No cut slopes were created in this unit.
Santiago Peak Volcanics (Jspv)
The Santiago Peak Volcanics were mapped along the north and south cut slopes
near the intersection of Alga Road East and El Fuerte Street. These rocks
consist primarily of dark gray to black micro-crystalline rocks with a basaltic
to andesitic composition.
These rocks are typically highly jointed at intervals of approximately six inches
to eighteen inches. Cut slopes in this unit are considered grossly and surficially
stable.
GEOLOGIC STRUCTURE
Bedding
Only minor folding and faulting of the sedimentary rock has occurred since its
deposition. This is most evident in east-facing slopes along the Hidden Meadows
Access Road. Local dips of 35O were observed in some of the beds exposed
here. The bedding exposed elsewhere on site was shallow dipping, at approxi-
mately fro and very undulatory.
Joints
Except near minor faults, jointing within the Del Mar Formation was poorly
developed. Within the Santiago Peak Volcanics, jointing was moderately to well
developed, forming at near-right angles with spacing from six inches to twenty-
four inches.
Faulting
Evidence of faulting within the bedrock was expressed in
modes. The first occurred at relatively high angles with
two very different
minor amounts of
of this was observed normal or oblique slippage. The only significant example
in the east-facing cut slope along the Hidden Meadows Access Koad.
EBERHART 8 STONE, INC.
Daon -4- W.O. 1140
The second is generally along the bedding and is thus termed a “bedding plane
fault”. Remolded clays observed within bedding plane faults are generally very
flat-lying, occurring within the siltstones and claystones. These represent a
potential geologic hazard for sloping areas, where they are exposed in an un-
favorable orientation.
The only significant example of this was observed in the east-facing cut slope
on Melrose Avenue, north of the intersection with Alga Road. A stabilization
fill has been recommended for this slope and will be discussed under cut slopes.
SEISMICITY
As reported in the preliminary investigation, no active or potentially active
faults were anticipated, nor were they encountered during grading operations.
GENERAL FIELD ENGINEERING PROCEDURES
Site Preparation and Excavations
Prior to grading operations, the subject site was cleared of significant existing
deleterious material. Prewatering of the subject site was also performed.
Prior to fill placement, dry, loose, soft, wet or otherwise unsuitable materials
were removed to variable depths, moisture-conditioned and replaced as compacted
fill.
Prior to receiving fill, the exposed ground surface was scarified to a depth of
six inches, watered as needed and compacted to at least 90% of the laboratory
maximum density.
Compacted Fill
Following preparation of the exposed ground surface, as described above, fill
was placed in loose lifts restricted to about six inches in thickness. Each lift
was watered as needed to obtain near-optimum moisture conditions, then
thoroughly compacted to at least 90% of the laboratory maximum density.
Compaction was accomplished by utilizing various heavy rubber-tired earth-
moving equipment and sheepsfoot rollers. Each lift was treated in a like
manner until the desired rough grades were achieved.
Fill placed onsite consisted of material generated from onsite cut areas and
overexcavations.
Field Density Testing
During the course of onsite grading operations, field density tests were taken
to determine compliance with the recommended standards. These tests were
taken in accordance with ASTM standards for sand cone, drive tube or nuclear
methods of density testing (ASTM D1556, D2937, or D2922, respectively).
Results of the field density testing have been presented in the accompanying
Table I.
The field density tests were taken at vertical intervals of about two feet, or
about each 1000 cubic yards of material placed. Approximate locations of the
EBERHART 8 STONE, INC.
Daon -5- W.O. 1140
field density tests are shown on the accompanying Grading Plans and Improvement
Plans. For comparison of field density tests to laboratory standards, visual
and tactile identifications were made of the materials tested.
Cut Slopes and Cut Slope Stabilization
Cut slopes were constructed along Alga Road near the intersection with El
Fuerte Street. The exposed Santiago Peak Volcanics observed there are con-
sidered grossly stable.
Additional cut slopes were created along the alignment of Hidden Meadows Access
Road, Alga Road near Melrose Avenue, and Melrose Avenue. Cut slopes along
Corintia Street are on the order of six feet in height and are considered grossly
stable.
The slopes along the alignment of Hidden Meadows Access Road are also con-
sidered grossly stable. However, localized portions of the slope were over-
ripped and may be subject to possible erosion and slumping during heavy rains.
South and west-facing temporary cut slopes near the terminus of Melrose Avenue
are considered grossly stable. Local areas of the temporary south-facing slope
were constructed at ratios steeper than the recommended 2:l (horizontal to
vertical) and may be subject to erosion or shallow failures. In light of the
fact that this is a temporary slope on a closed street, this is not considered
to be a hazard, although it may become a nuisance at a later date.
The east and south-facing slopes northwest of the intersection of Melrose
Avenue and Alga Road have been recommended for stabilization.
Two factors which influenced this decision are the marginal geologic structure
in the slopes, and the proposed condominium project above each of these slopes.
The stabilization fill along Alga Road has been started by constructing the
back cut and key. Fill has been placed to approximately five feet above street
grade for Alga Road. Stabilization work has not been undertaken along the
east-facing slope adjacent to Melrose Avenue. It is this firm’s understanding
that the stabilization fills recommended and discussed above will be constructed
at the time C.T. 80-25 is mass graded.
Fill Slopes
Fill slopes have been constructed at slope ratios of 2:l. except those which
border the “natural” area within the Melrose Avenue disposal site, which were
constructed at ratios of 4:1.
Slopes were backrolled and trackwalked during construction, or overfilled
and cut back.
Fill keys were excavated where fill slopes were placed on ground with a slope
ratio of 5:l or steeper.
Subdrains
In the Melrose Avenue disposal site, subdrains were placed. These drains were
located in swale areas, as shown on the geologic map. The drains consisted of
EBERHART 8 STONE. INC.
Daon -6- W.O. 1140
S-inch diameter P.V.C. pipe with 318” perforations 120° apart, oriented down-
ward. The pipe was bedded in a mix of washed concrete sand and t” rock.
The last 20 feet of subdrain pipe was non-perforated and placed on compacted
fill without bedding. Subdrains currently drain to a sump hole in the natural
area within the disposal site. Should these pipes drain significant amounts of
water, they should be extended to daylight as discussed in the preliminary
investigation.
Rock Disposal
Oversized rock was generated from Hidden Meadows Access Road and the south
end of Alga Road. Also, concrete had been stockpiled on the Melrose Avenue
Disposal Site.
These rocks were windrowed and buried with coarse materials which were jetted
into place, then compacted by trackwalking or rolling with rubber tires. The
concrete was also treated in a like manner; however, care was taken to keep
the concrete blocks flat so as to inhibit the creation of voids underneath. The
windrows of rock and concrete were not placed in successive parallel lifts nor
over one another. Such placement was reviewed by the geotechnical consultant
at that time.
LABORATORY TESTING
Presented below is a brief description of the laboratory tests performed on
samples obtained during grading operations. Results of the laboratory test-
ing have been presented in the accompanying Table II.
Compaction Characteristics
During grading operations, bulky samples were obtained of materials representative
of the major soil types placed as ,compacted fill. For these samples, maximum
density and optimum moisture content determinations were performed in accor-
dance with ASTM D1557-70. For this test, the soil was compacted in a four-
inch diameter, l/30 cubic foot mold in five layers. Each layer was compacted
by 25 blows with a IO-pound hammer falling 18 inches.
GENERAL RECOMMENDATIONS
Slopes
To mitigate the potential for erosion, it is this firm’s recommendation that
slope planting be established and maintained as soon as feasible after grading.
Planting should ideally consist of deep-rooting vegetation which is native to the
area and requires little watering. Plants relative to native plants would also
be considered appropriate. A landscape architect would be the best party
to consult relative to the actual types of plants and planting configuration.
Parties concerned should be made aware that overwatering of slopes, impediment
of drainage devices, alteration of slope configurations and burrowing animals
are detrimental to slope stability.
Drainaqe
It is recommended that positive drainage be maintained throughout the subject
EBERHART 8 STONE, INC.
Daon -7- W.O. 1140
project. Drainage patterns established at the time of construction should be
maintained throughout the life of the improvement. For drainage over soil
areas, this firm recommends at least a 2% overall gradient.
Areas to Receive Pavement
In areas to receive pavement onsite, the exposed ground surface should be
scarified, moisture-conditioned and thoroughly recompacted. Isolated over-
excavations to eliminate any dry, wet, soft or loose materials may also be
required at the time of subgrade preparation.
Trench Backfill
Trenches within areas to be paved should be mechanically compacted to at least
90% of the laboratory maximum density. If utility contractors indicate that
it is undesirable to use compaction equipment in close proximity to a buried
conduit, this firm would recommend the utilization of light-weight mechanical
compaction equipment and/or shading of the conduit with clean granular material,
which could be thoroughly jetted in place above the conduit, prior to initiating
mechanical compaction procedures. Other methods of utility trench backfill
compaction may also be appropriate as approved by the geotechnical consult-
ant at the time of construction.
Subsequent Grading Operations
During the minor grading work within the existing fill along Alga Road, some
local areas of dry, loose soil were encountered within about one foot of the
existing grade. It is the understanding of this firm that the grading contractor
opted not to process these local areas during rough grading and, furthermore,
indicated that they would be remedied during preparation of subgrade. It is
the opinion of this firm, therefore, that during subgrade preparation these
areas should be thoroughly ripped, moisture-conditioned, and recompacted to
at least 90% of the laboratory maximum density. Should other and/or deeper
areas of unsuitable materials be encountered in the previously existing fill,
they should also be processed as above or removed and replaced as compacted
fill.
Prior to the commencement of these or other additional grading operations onsite,
including backfilling of trenches, the geotechnical consultant should be notified
at least two working days in advance in order to schedule appropriate obser-
vations and testing services as needed.
SUMMARY
Descriptions of grading operations as well as observation and testing services
herein, have been limited to those grading operations performed between
about July 6, and September 3, 1981. Based upon observations and testing,
EBERHART 8 STONE, INC.
Daon -8- W.O. 1140
it is this firm’s opinion that the work performed onsite has been done in
accordance with the job specifications, as well as the requirements of the
regulating agencies. It is the further opinion of this firm that the site as
graded is suitable for the construction now proposed. This report should be
considered subject to review by the controlling authorities.
Respectfully submitted,
EBERHART 6 STONE, INC.
Project Geologist
Reviewed by: ,
Dan R. Eberhart
President
CEG 965
<;2,, *& -;&&
Get-& L. Sione I
Vice President
RCE 32233
RKJlDRElGLS/mm
Enclosures : Table I - Summary of Field Density Test Results
Table II - Summary of Laboratory Test Results
Explanation Sheet (for enclosed plates)
Plates S-l through S-8, Test Locations (pocket enclosures)
Plates SG-1 and SC-2, Test Locations and Geologic Maps (pocket enclosure
Plates G-l through G-9, Geologic Maps (pocket enclosures)
Distribution: (4) Addressee
(11 Rick Engineering
(1) City of Carlsbad, City Eng.
EBERHART 8 STONE, INC.
Daon
343 12 115 90 A
11 0 7toalal Melrose 372 12 110 a7 B
12 7/oa/al Melrose 352 12 114 90 I3
13 B 7/09/ai Disposal Site 351 14 108 a5 14 B 7/09/81 Disposal Site 364 13 107 86 :
15 7/09/81 Disposal Site 354 13 116 91 A
16 7/09/ai Melrose 354 13 115 93 C
17 7/09/81 Melrose 367 13 117 92 B
la 7/09/ai Melrose 373 12 115 90 A
19 7/09/81 Disposal ~Site 350 12 115 ’ 90
20 7 109tai Disposal Site 357 10 114 92 ;
21 0 i 7/09/ai Melrose 340 9 116 91 22 B 7/09/ai Melrose 341 9 117 94 :
23 jr/lo/al Disposal Site 362 13 116 91 24 7/lo/ai Disposal Site 367 11 112 90 ;
25 7/10/81 Melrose 350 12 115 93 C
26 0 7/10/81 Disposal Site 378 14 110 86 A
27 B 7/la/al Disposal Site 381 14 105 a5 28 7/10/81 Melrose 361 12 111 90 :
29 0 7/io/al Melrose 342 11 114 90 B
30 B 7/10/81 Melrose 339 11 119 94 0
31 7/lo/ai Melrose 339 14 116 91 A
32 7/la/al Melrose 339 14 112 90 C ,
33 7/13/81 Melrose 345 115 A 34 7/13/81 Melrose 348 It 117 99; B
\ )
Daon
'EST
IO. NOTE
35
36
37
38
R
DATE .OCATION E LEVATlOh I
dOISTURE 3RY DEN.
% pcf
EL.COMP. SOIL
3, TYPE
7/13/81 Disposal Site 368 13 114 92
7113tal Melrose 340 ~12 114 92
7/i3/81 Disposal Site 361 14 114 90
7/13/al Melrose 341 13 ii8 93
39 B 7/17ta1
40 7il7lal
41 7/17/81
42 7/17/81 1
43 B 7i2oial
44 0 7i2olal
45 7t2olal
46 7/2a/al
47 7/2o/ai
48 7/2oial
49 7t2oial
50 7/20/81
51 7/20/81
52 7/2a/al
Access Rd., Hidden Meadows
Disposal Site
Disposal Site
Access Rd., Hidden Meadows
Disposal Site
Disposal Site
Disposal Site
Disposal Site
Disposal Site
Disposal Site
Melrose
Melrose
Disposal Site
Disposal Site
355 15 109 86
372 14 117 92
378 15 114 90
448 13 118 93
t 386 16 109 86
392 la 98 a5
378 15 115 91
381 13 ii8 93
383 12 114 92
385 15 112 90
376 12 112 90
377 12 120 94
377 14 116 91
370 15 116 91
53 7/2l/al Disposal’ Site 374 12 115 90
54 7/21/al Disposal Site 379 13 114 90
55 B ’ 7121 I81 Disposal Site 375 12 108 a7
56 B 7121 I81 Disposal Site. 387 13 108 a5
57 7121 I81 Disposal Site 363 13 114 92
58 7/2l/al Disposal Site 358 14 118 92
59 7121181 Disposal Site 362 16 115 90
60 7121181 Disposal Site 367 17 117 92
61 7i2lia1 Disposal Site 385 15 122 96
62 7/2lial Disposal Site 379 15 116 91
63 7122181 Disposal Site 384 16 115 91
64 7122181 Disposal Site 387 15 115 90
65 7122181 Disposal Site 384 15 113 91
66 0 7122181 Disposal Site 373 13 111 a5
67 B 7122181 Disposal Site 371 .12 111 86 (
68 7i22ia1 Disposal Site 388 13 121 93
69 7122181 Disposal Site 388 12 117 90
, I
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
\ 1
W.O. 1140
C
C
::
B
A
0
A
0
D
B
?I
C
c
A
A
A
A
B
C
B
C
A
A
A
B
A
0
A
C
F
F
F
F
Daon TABLE ;
SUMMARY OF FIELD DENSITY TEST RESULTS
W.O. 1140
a2
Test Number Not Used
Test Number Not Used
a3 7123181 Disposal Site 380 15 120 92 F
a4 7t23lal Disposal Site 381 14 117 90 F
a5 7123181 Disposal Site 387 14 108 a3 F
a5 r 7123181 Disposal Site 387 13 118 91 F
86 7t23ial Disposal Site 385 16 118 95 C
a7 B 7123181 Melrose 369 15 110 a9 C
88 7i23ial Disposal Site 390 17 115 93 C
a9 7i23lal Disposal Site 390 14 117 90 F
90 i 7123181 Disposal Site 390 15 117 90 F
91 7t23ia1 Disposal Site 370 14 117 92 A
92 7123181 Disposal Site 375 la 109 88 92 r 7123181 Disposal Site 375 la 119 96 :
93 7123181 Melrose 383 15 116 91 94 7/23/81 Melrose 384 ia 116 94 :
95 0 7/23ial Disposal Site 361 ia 108 87 C
96 0 7124181 Disposal Site 356 14 112 90 C
97 7/24/81 Disposal Site 360 17 106 92 D
98 7124181 Disposal Site 364 12 113 a7 F
98 i- 7i24181 Disposal Site 364 13 118 91 F
99 0 7124181 Disposal Site 355 13 112 86 F
100 7124tal Disposal Site 355 116 C
101 7124181 Disposal Site 357
143
118
i:
102 7i24tal Disposal Site 363 14 115 90 i r
Daon TABLE I
‘EST
IO. NOTk
103
104
105
106
107 0
108 B
109
109 r
110 B
111
112
113
114
114 r
115
116
117
ii8 0
119
120
121 :
122 B
123 0
124
125
126
127
128 B
129
129 r
130
131
132
133
134
DATE .OCATION E LEVATION
7i24la1
7124181
7127181
7127181
7127ial
7i27ial
7/27lal,/
7127181
7127181
7127181
7127181
7127ial
7i27ial
7127181
7127181
7127ial
7127181
7127181
7128181
7i2aial
7/2aial
7tzaial
7i2alal
7/2aia1
7128181
7128181
7i2alal
7i2alal
7/28/81
712aial
7i2alal
7/2a/al
7i2alal
712atal
7i29tal
Disposal Site 366 15 115 90
Disposal Site 391 15 115 90
Disposal Site 376 15 113 91
Disposal Site 369 17 113 91
Corintia 359 15 101 88
Corintia 360 16 114 90
Disposal Site 374 17 109 a4
Disposal Site 374 17 117 90
Disposal Site ' 350 20 107 a6
Disposal Site 373 13 117 90
Disposal Site 379 17 113 91
Disposal Site 382 la 105 91
Disposal Site 385 17 106 a5
Disposal Site 385 16 113 91
Corintia 365 14 115 90
Corintia 362 13 ii8 93
Corintia 357 12 116 91
Melrose 387 ia 107 86
Corintia~ 369 17 107 93
Corintia 364 14 119 93
Disposal Site 353 15 115 90
Melrose 384 16 105 a5
Melrose 407 17 105 85
Corintia 359 15 114 90
Disposal Site 358 12 119 94
Disposal Site 361 12 116 91
Disposal Si’te 359 17 112 90
Corintia 371 17 111 89
Disposal Site 398 13 111 87
Disposal Site 398 13 115 90
Disposal Site 389 15 117 92
Disposal Site 393 15 114 90
Disposal Site 396 17 108 94 Disposal Site 390 ~14 115 91
Disposal Site 391 13 117 '. 92
SUMMARY OF FIELD DENSITY TEST RESULTS
MOISTURE IRY DEN. :EL.COMP. SOIL
% pcf % TYPE
A
A
E
D
B
F
F
C
F
C
:
C
A
0
t
D
A
A
E
0
B
A
C
C
A
A
0
B
D
0
A -L
) /
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
, /
W.O. 1140
ELEVATION
148 7129181 Disposal Site 385 16 115 90 A
149 7129181 Disposal Site 397 16 117 92 0
150 7129tal Disposal Site 362 15 114 90 B
151 7i29Ial Disposal Site 368 15 107 93 D
152 7i29lal Disposal Site 371 13 107 93 D
153 7129181 Disposal Site 368 13 119 93 A
154 7129181 Disposal Site 375 13 121 95 A
155 7i3oIal Melrose 340 17 113 91 C
156 : 7/3o/ai Melrose 345 17 113 91 C
157 7130181 Melrose 349 12 120 94 A
158 7/30/81 Melrose 360 16 104 90 D
159 7/30/81 Melrose 364 15 104 90 D
160 7130181 Melrose 374 17 107 93 D
161 7130181 Melrose 376 15 105 91 D
162 7/30/81 Melrose 382 13 114 92 C
163 7I3olal Corintia 361 12 114 92 C
164 7/30/81 Corintia 363 10 125 96 F
165 7131 I81 Melrose 390 13 103 90 D
166 0 7131 I81 Disposal Site 348 9 112 86 F
167 7131 I81 Melrose 395 14 106 92 D
168 7131 I81 Melrose 405 11 121 93 F
169 7131 I81 Melrose 393 13 105 91 D
170 7131 I81 Melrose 398 14 107 93 D
/ \
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
i
Daon
-EST
JO. NOTE
171
172
173
174
175
176
177
178
179
DATE -0CATION LEVATIOh
MOISTURE 1RY DEN. :EL. COMP. SOIL
% pcf % TYPE
7131181 Melrose 388 15 109
7131 I81 Melrose 381 14 104
7t3lIal Disposal Site 350 15 104
7131181 Disposal Site 347 16 108
7 I31 181 Disposal Site 350 15 109
7131 I81 Disposal Site 350 14 109
7t31Ia1 Corintia 372 15 106
7131 Ial Corintia 370 15 104
713llal 1 Corintia 371 15 117
la0 aio3Ial
181 aIo3ta1
182 8103181
183 a/03/81
184 a/03/81
I a5 a/03/81
186 8103181
187 8103181
la8 8103181
la9 a/03/81
190 8/03/al
191 8/03/al
192
193 :
a/03/81
8/031al
194 8103181
195 8103181
196 8/03/81
Melrose ? 399 17 106
Melrose 401 17 109
Melrose 399 16 104
Melrose 4io la 103
hlelrose 347 17 106
Melrose 412 13 116
Melrose 400 13 116
Melrose 393 15 107
Melrose 393 15 103
Melrose 414 16 106
Melrose 404 16 105
Melrose’ 408 15 114
Melrose 396 15 ii8
Melrose 393 15 105
Corintia 357 10 120
Corintia 360 11 115
Corintia 359 14 105
197 8lo4lal Melrose 407 15
198 8104181 Melrose 407 17
199 8104181 Melrose 394 17
200 8/04/81 Melrose 380 16
201 8104181 Melrose 385 14
202 8/04/81 Access Rd., Hidden Meadows 450 11
203 8/04/8l Access Rd., Hidden Meadows 458 16
204 8/04/81 Access Rd. , Hidden Meadows 452 12
205 8104181 Access Rd. , Hidden Meadows 453 12
106
104
104
107
106
115
116
115
120
,
W.O. 1140
95
90
90
94
95
95
92
90
90
92
95
90
90
92
91
91
93
90
92
91
90
93
91
92
90
91
92
90
90
93
92
90
91
90
94
D
D
D
D
D
D
D
D
F
D
D
D
D
D
B
B
D
D
D
D
B
B
D
F
A
D
D
D
D
D
D
A
A”
A
Dam
‘EST
IO. NOTE
206
207
208
209
210
211
212
213
F 8105181
8/05/81
8/05/81
S/05/81
8105181
8105181
8/05/81
8105181 ‘1
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Melrose
Melrose
Access Rd., Hidden Meadows
Melrose
Melrose
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Melrose
Disposal Site
Disposal Site
Disposal Site
453 17 113 91~
456 ‘13 118 93 461 13 115 90
464 19 113 91
465 15 115 90
342 18 105 91
349 12 115 90
467 9 105 85
214
215
213
216
217
218
219
220
r
8lO6l81
8/06/81
8106181
8106181
8/06/81
8106181
8/06/81
8/06/81
! 347 13 106
358 11 116.
463 13 113
463 15 120
364 13 106
352 12 121
353 14 121
355 12 117
221 8107181 Disposal Site 360 14 107
222 8107181 Disposal Site 357 16 107
223 8107181 Disposal. Site 365 17 106 224 8/07/81 Disposal Site 395 17 106
225 8107181 Disposal Site 398 17 106
226 8/07/81 Disposal Site 400 14 104
227 8107181 Disposal Site 402 15 105 228 8107181 Melrose 381 13 116
229 8107181 Disposal Site 399 17 106
230 8/10/81 Disposal Site 369 16 106
231 8/10/81 Disposal Site 369 17 110
232 8/10/81 Disposal Site 367 14 109
233 8/10/81 Disposal Site 361 16 107
234 8/10 /81 Disposal Site 358 17 107
235 8/10/81 Disposal Site 360 16 105
236 8llOl81 Disposal Site 362 18 108
237 8/10/81 Disposal Site 363 17 106 238 8/10/81 Disposal Site 370 17 110
239 8/10/81 Disposal Site 373 18 107
DATE .OCATlON :LEVATlOF
\ b
TABLE I
SUMMARY OF FIELD DENS~ITY TEST RESULTS
I ‘JOISTURE DRY DEN.
4 % pcf
R
I
W.O. 1140
EL. COMP. SOIL
% TYPE
92
91
91
94
92
93
93
90
91
93
92
90
90
90
91
94
92
90
93
92
91
91
91
94
90 93
91
C
0
A
C
A
D
A
C
D
A
C
A
D
F
F
F
G
D
D
G
c
D
D
C
D
G c
:
G
D
D
c
G
G
Daon
‘EST
IO. NOT1
240
241
242
243
244
245
B
8/10/81 Disposal Site 364 15 106 92
8/10/81 Disposal Site 368 ~17 107 91
8/10/81 Disposal Site 365 12 117 90
8/10/81 Disposal Site 369 12 122 94
8/10/81 Disposal Site 360 11 126 97
8/10/81 Disposal Site 357 11 117 90
246
247
248
249
250
251
252
253
254
255
256
257
258
259
258
259
r
r
8111181 Disposal Site 358 15 108 92
8111181 Disposal Site 362 16 107 91
8/l 1 I81 Disposal Site 103
8111181 Disposal Site < 370 19 90
372 15 108 94
8111181 Disposal Site 372 14 106’ 92
8111181 Disposal Site 372 16 104 90
8/11/81 Disposal Site 369 14 104 90
8/l 1 I81 Disposal Site 362 14 107 91
8111181 Disposal Site 372 16 113 96
8111181 Disposal Site 372 17 107 93
8111181 Disposal Site 369 14 107 91
8111181 Disposal Site 361 17 107 91
8111181 Disposal Site 405 16 99 86
8111181 Disposal Site 406 15 96 83
8111181 Disposal. Site 405 18 104 90
8/l 1 I81 Disposal Site 406 15 106 92
260 8112181 Disposal Site 375 15 105 91
261 8112181 Disposal Site 380 14 105 91
262 8112181 Disposal Site 379 14 104 90
263 8112181 Disposal Site 382 14 106 92
264 8112181 Disposal Site 383 13 108 94
265 8112181 Disposal Site 383 15 106 90
266 8112181 Disposal Site 375 15 104 90
267 8112181 Disposal Site 377 17 107 93
268 8112181 Disposal Site 377 19 105 91
269 8112181 Disposal Site 384 18 109 95
270 8112181 Disposal Site 384 15 117 92
271 8112181 Disposal Site 386 17 119 94
272 8112181 Disposal Site 392 19 105 91
273 8/12/81 Disposal Site 404 14 99 86
DATE .OCATION LEVATlOh I
/
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
UIOISTURE IRY DEN.
% pcf
R
W.O. 1140
EL. COMP. SOIL
% TYPE
D
G
F
F
F
F
G
G
D
D
D
D
D
G
G
D
G
G
D
D
D
D
D
D
D
D
:
D
D
D
D
B
B
D
D
Daon
‘EST
IO. NOT1
273
274
r 8112181 Disposal Site 404 16 104 90 D
8112181 Disposal Site 408 17 109 92 G
275 8113181
276 8113181
277 8113181
278 8113181
279 8113181
280 8113181
281 8113181
282 8114181
283 8114181
284 8114181
285 8114181
286
287
288
289
290
291
292
293
S 8117181
8117181
8117181
8117181
8117181
8117181
8117181
8117181
294
295
296
297
298
299
300
301
302
303
8118181
8118181
8/18l81
8118181
8/18/81
8118181
8118181
8ll8lSl
8/18/81
8118181
304
305
8119181 Access Rd., Hidden Meadows 475
8/19/81 Access Rd., Hidden Meadows 469
DATE -0CATION :LEVATIOh I
Disposal Site
Disposal Site
Disposal Site
Disposal Site
Disposal Site
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Disposal Site
Disposal Site
396 17 105 91
402 19 110 93
405 16 107 91
403 18 109 92
398 15 110 93
452 17 115 90
I 455 14 120 94
458 15 106 92
461 14 110 96
395 16 103 90
401 18 106 90
Access Rd., Hidden Meadows
Disposal Site
Disposal Site
Disposal Site
Disposal. Site
Access Rd. , Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd.~, Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Access Rd., Hidden Meadows
Disposal Site
Disposal Site
466 17 103
365 16 107
355 18 109
382 16 103
380 19 104
467 16 107
469 15 114
473 17 116
475
474
477
476
478
480
476
462
408
401
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
MOISTURE
%
15
12
14
15
13
13
15
14
14
15
17
17
DRY DEN.
105
117
106
107
115
116
106
106
112
107
104
101
:EL. COMP. SOIL
% TYPE
D
G
G
:
A
A
90
91
92
90
90
91
90
91
91
92
92
92
90
91
92
92
95
93
90
88
D
D
:
:
G,
D
:
B
0
D
B
D
D
B B
D
D
G
D
Ii
W.O. 1140 /
Daon SUMMARY OF FIELD DENSITY TEST RESULTS
I
TABLE I
rEST
\10. NOTI
306
307
308
F 8/19/81 Alga 491 13 109 90
8/l 9181 Alga 443 12 111 91
8119181 Disposal Site 408 17 111 94
309 8120181 Alga 528 13 112 92
310 8/20/81 Alga 549 14 109 90
311 8120181 Disposal Site 409 16 112 92 312 8120181 Disposal Site 409 17 105 91
313 8121 I81 Disposal Site ? 41: 16, 107 93
314 8/21/81 Melrose 418 18 105. 91
315 8121181 Melrose 423 17 105 91
316 8121181 Melrose 42i 16 109 92
317 8121 I81 Melrose 420 17 104 90
318 8121 I81 Melrose 421 18 104 90
319 8124181 Melrose 542 18 104 90
320 8124181 Melrose 548 18 104 90
321 8124181 Melrose 550 16 112 92
322 8124181 Melrose 546 11 109 90
323 8124181 Melrose 459 11 109 90 324 8124181 Disposal Site 402 16 110 93
325
326
327
328
329
330
331
332
333
8125181 Alga 465 12 109 90 8125181 Alga 510 9 106 87 8125181 Alga * 14 112 92
8125 I81 Alga * 14 113 93
8125181 Disposal Site 378 14 117 94
8/25/81 Disposal Site 389 18 109 95 8125181 Melrose 430 13 104 90
8125181 Melrose 433 15 109 92
8125181 Alga 549 11 104 86
334
335
**
S
x*
S 8126181 Access Rd., Hidden Meadows
8126181 Alga
336 8127181 Alga 337 8127181 A Iga
474 *
*
*
20
14
15
15
107
111
105
105
93
91
91
91
DATE -0CATION .LEVATIOh
MOISTURE IRY DEN,
% pcf
W.O. 1140
:EL. COMP. SOIL
% TYPE
H
:
H
H
H
D
D
D
D
G
D
D
D
D
H
H
c”
H
H
H
F
D
D
G
H
D
H
D
D
T
Daon
,
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
W.O. 1140
‘EST
0. NOTE
338
339
340
341
342
305 r
8127181 Alga * 14 109 90
8127181 Alga * 12 109 90
8127181 Alga * 15 112 92
8127181 Disposal Site 416 18 106 90
8127181 Disposal Site 405 12 ,100 87
8127181 Access Rd. , Hidden Meadows 460 18 104 90
343
344
342
345
r
8128181
8128181
8128181
Access Rd. , Hidden Meadows
Access Rd., Hidden Meadows
Disposal Site
Test Number Not Used
481 15 107
474 15 105
? 405 16 107
346 8131 I81 Disposal Site 405 13 114
347 ,8/31 I81 Disposal Site 4oa 15 107
348 8131181 Disposal Site 400 13 109
349 8131181 Melrose 427 15 109
350 8131 I81 Melrose 427 14 111
351
352
353
354
355
356
357
358
S
S
S
S
S
S
S
S
S
S
S
S
S
9102181 Disposal Site 398 16 112
9102181 Disposal Site 394 14 107
9102181 Disposal. Site 388 14 106
9102 181 Disposal Site 384 12 116
9/02/81 Disposal Site 386 14 106
9/02/81 Disposal Site 378 11 117
9102181 Disposal Site 380 13 115
9102181 Disposal Site 372 15 112
359 9103181 Disposal Site 360 14 110
9103181 Disposal Site 367 15 112
9103181 Disposal Site 368 15 112
9103181 Disposal Site 357 15 107
9103181 Disposal Site 362 15 114
361
362
363
DATE .OCATION E :LEVATIOI’
See “Notes” ion following page.
MOISTURE )RY DEN.
% pcf
R EL. COMP. SOIL
% TYPE
H
H
H
G
D
D
93
91
91
90
91
92
90
90
90
93
92
91
92
90
90
90
95
90
90
93
92
D
D
G
C
D
D
B
D
F
A
C
D
C
C
D
C
/
I Daon
/ / I
TABLE I
SUMMARY OF FIELD DENSITY TEST RESULTS
NOTE: r = retest
s = slope test
Ground Extension
Street to Ranch0
P.N. 72-l-30). T
were unknown to t
rough grading.
** = These areas to be
during subgrade p
Daon W.O. 1140
TABLE II
SUMMARY OF LABORATORY TEST RESULTS
SOIL SOIL DESCRIPTION
TYPE (USCS)
MAX. DRY
DENSITY
(pcf)
OPTIMUM
MOISTURE
(%I
A Clayey silt, brown, with fine sand (ML) 127.5 10.0
B Clayey medium to coarse sand, brown
(SC) 127.0 10.5
C Clayey medium sand, brown (SC) 124.0 12.0
D Very fine to fine sandy silt, green-gray,
with siltstone chips (ML) 115.0 13.5
F Silty fine to medium sand, dark brown
(SM) 130.0 9.0
G Silty fine sand, tan (SM) 118.0 13.5
H Silty fine to medium sand, tan-brown
(SM) 121.5 12.0
EBERHART 8 STONE, INC.
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