HomeMy WebLinkAbout182522-35A Post Grade Report SIGNED - Earth Strata Geotechnical Services, Inc.
Geotechnical, Environmental and Materials Testing Consultants
October 15, 2021
Project No. 182522-35A
Mr. Scott Hardesty
Hardesty&Associates, Inc.
711 W. 17th Street, Unit D-2
Costa, CA
Subject: Summary of Observations and Testing for the Sewer, Water, Storm Drain, and Dry
Utility Backfill, Proposed C-Store, Car Wash and Gas Station, Assessor's Parcel
Number 377-243-002 thru 377-243-007, Located on the Southeast Corner of North
Main Street and West Flint Street, City of Lake Elsinore, Riverside County, California
Per your request, Earth Strata Geotechnical Services Inc. has provided geotechnical observations and
testing services during backfill operations for the subject utility trenches. The subject property is located
on the southeast corner of North Main Street and West Flint Street in the City of Lake Elsinore, Riverside
County, California. This report summarizes the geotechnical conditions observed and tested during post
grading operations. Based on our part time observations and selective testing, it is our opinion that the
backfill has been placed in general accordance with the recommendations of the geotechnical consultant
of record and the geotechnical requirements of the City of Lake Elsinore and Riverside County. The test
results reported herein were prepared in conformance with generally accepted professional engineering
practices in this area at the time of this report and no further warranty is expressed or implied.
Post grading operations began in May 2021 and were completed in October of 2021.
SUMMARY OF OBSERVATIONS AND TESTING
Sewer.Water,and Storm Drain Trench Backfill
Sewer, water, joint, and storm drain trenches were backfilled with onsite earth materials. The backfill
materials were watered or air-dried as necessary to achieve optimum or slightly above optimum
moisture content and then compacted in 8±-inch thick lifts by either a compacting wheel connected to a
trackhoe or by wheel-rolling with a loader or similar heavy equipment. The backfill was compacted to a
minimum of 90 percent of the maximum dry density determined by ASTM D 1557. The depth of shading
materials (sand) placed above the pipes varied from approximately 8 to 12 inches and was thoroughly
jetted prior to placing the backfill materials.
Maximum trench depths were on the order of 1 to 4± feet at the time of our observations and testing.
Driveway and Street Subgrade and Aggregate Base
Subgrade earth materials immediately below the curb and gutter areas were compacted to a minimum of
90 percent of the maximum dry density to a minimum depth of 12 inches.
42184 REMINGTON AVENUE, TEMECULA, CA 92590 951-461-4028, ESGSINC.COM
Subgrade earth materials immediately below the driveway areas were compacted to a minimum of 95
percent of the maximum dry density to a minimum depth of 12 inches.
Aggregate base was compacted to a minimum of 95 percent of the maximum dry density.
Field Testing
Field density and moisture content tests utilizing nuclear gauge methods were performed in accordance
with ASTM D 6938. Visual classification of the earth materials in the field was the basis for determining
which maximum dry density value was applicable for a given density test. Test results are shown on the
attached Table 1.
Field density tests were taken at vertical intervals of approximately 2 feet for approximately every 200
linear feet of trench. The actual number of tests taken per day varied depending on the site conditions
and the quantity and type of equipment utilized. When field density tests yielded results less than the
minimum required density, the approximate limits of the substandard fill were established. The
substandard area was then reworked (most common) or removed, moisture conditioned, recompacted,
and retested until the minimum density was achieved. In most cases, failed density tests were noted then
retested in the same general vicinity at nearly the same elevation as the failed test.
Laboratory Testing
The maximum dry density and optimum moisture content for each major type of earth material
encountered during backfilling was determined using the guidelines of ASTM D 1557. The Proctor Table
below presents the pertinent test values.
Proctor Table
SAMPLE NO. DESCRIPTION OPTIMUM MOISTURE MAXIMUM DRY
CONTENT % DENSITY c
1 Silty SAND 10.5 128.5
2 Silty SAND 13.0 124.5
3 Silty SAND 11.0 127.5
4 Silty SAND 12.5 126.0
AB-1 Aggregate Base 6.5 146.5
1EA\1UF1H1 S F]R A,' FA\ G1E0 F1EC1HNT11 CA\1L 551ElKVI C1ES Page 2
Project No. 182522-35A October 15, 2021
GRADING AND CONSTRUCTION RESPONSIBILITY
It is the responsibility of the contractor or his subcontractors to meet or exceed the project specifications
for grading and construction. The responsibilities of Earth-Strata did not include the supervision or
direction of the contractor's personnel, equipment, or subcontractors performing the actual work. Our
field representative onsite was intended to provide the owner with professional advice, opinions, and
recommendations based on limited observations and limited testing of the contractor's work. Our
services do not relieve the contractor or his subcontractors of their responsibility, should defects in their
work be discovered. The conclusions and recommendations herein are based on the observations and
test results for the areas tested, and represent our engineering opinion as to the contractor's compliance
with the project specifications.
REPORT LIMITATIONS
The test results reported herein were prepared in conformance with generally accepted professional
engineering practices in this area at the time of this report and no further warranty is expressed or
implied. This report has not been prepared for use by parties or projects other than those named or
described herein. This report may not contain sufficient information for other parties or other purposes.
This report is subject to review by the controlling authorities for this project. Earth-Strata sincerely
appreciates the opportunity to provide our services and advice on this project.
Respectfully submitted,
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Attachments: Table 1 - Summaryi y Tests
Map B-Retaining Wall and Alley
Map C-Sidewalks,Curbs,and Gutters
Map D -Drives and Parking
Map E -Storm Drain,Sewer Line,Grease Trap,and Utility
Trench
Distribution: (2)Addressee
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Project No. 182522-35A October 15, 2021
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil
Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
o 0
(pcf) (/o) (pcf) (/o)
RETAINING WALL FOOTING;
1. N 3/25/2021 SG -3 2 115.1 4.3 127.5
BOTTOM, SOUTHEAST END
2. N 3/25/2021 SG RETAINING WALL FOOTING; 30 -3 2 116 4 127.5
FEET NORTH OF TEST#1
3. N 3/25/2021 SG RETAINING WALL FOOTING; 30 -3 1 115 4 124.5
FEET NORTH OF TEST#2
4. N 3/25/2021 SG RETAINING WALL FOOTING; 30 -3 1 117.2 3 124.5
FEET NORTH OF TEST#3
RETAINING WALL FOOTING; OVER-
5. N 3/25/2021 SG -3 1 113.1 7 124.5 91
EX BOTTOM, SOUTH END
RETAINING WALL FOOTING; OVER-
6. N 3/25/2021 SG -3 1 112.9 8 124.5 91
EX BOTTOM
RETAINING WALL FOOTING; OVER-
7. N 3/25/2021 SG -3 1 114.3 7 124.5 92
EX BOTTOM
8. N 3/25/2021 SG TEST#1 -3 2 115.6 5 127.5 91
9. N 3/25/2021 SG TEST#2 -3 2 116.1 6 127.5 91
RETAINING WALL FOOTING;
10. N 3/25/2021 CF FOOTING, OVER-EX, COMPACTED -2 2 125.8 7 127.5 99
FILL
11. N 3/25/2021 CF RETAINING WALL FOOTING; 30 -2 2 124.4 6 127.5
FEET EAST OF TEST#10
12. N 3/25/2021 CF RETAINING WALL FOOTING; 30 2 2 122.2 5.8 127.5 96
FEET NORTH OF TEST#11
13. N 3/25/2021 CF FOOTING COMPACTED FILL FG 2 122 7 127.5 96
14. N 3/25/2021 CF FOOTING COMPACTED FILL FG 2 123.5 7 127.5 97
15. N 5/26/2021 CF WESTERN SIDE OF TRENCH FG 3 102.3 11.3 127.5 80
16. N 5/26/2021 CF RETEST OF TEST#15 FG 3 118.4 10.9 127.5 93
17. N 6/14/2021 CF SEWER TRENCH ON -4 4 114.6 14.2 126.0
SOUTHEASTERN CORNER OF BLDG
SEWER TRENCH ON
18. N 6/14/2021 CF SOUTHEASTERN CORNER OF BLDG -4 4 115.2 13.5 126.0
(5 FEET FROM TEST#17)
SEWER TRENCH BEHIND BLDG
19. N 6/29/2021 CF (East), NORTHERN CORNER OF -2 4 115 12.1 126.0
BLDG
20. N 6/29/2021 CF MIDDLE OF SEWER TRENCH -2 4 115.2 11.4 126.0
BEHIND BLDG (EAST), RUNNING N-S
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil
Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
o 0
(pcf) (/o) (pcf) (/o)
21. N 6/29/2021 CF MIDDLE OF SEWER TRENCH BEHIND FG 4 115.5 13.2 126.0 92
BLDG (EAST), RUNNING N-S
SEWER TRENCH BEHIND BLDG
22. N 6/29/2021 CF (East), SOUTHERN CORNER OF -2 4 116 13.1 126.0 92
BLDG
SEWER TRENCH BEHIND BLDG
23. N 6/29/2021 CF (East), SOUTHERN CORNER OF FG 4 114.7 12.9 126.0 91
BLDG
SEWER LATERAL NEAR BLDG
24. N 6/30/2021 CF (SOUTH SIDE), SOUTHWESTERN FG 4 116.2 9.8 126.0 92
CORNER OF BLDG
SEWER LATERAL NEAR ON EAST
25. N 6/30/2021 CF SIDE OF TRASH FG 4 115.2 10.4 126.0 91
ENCLOSURE(SOUTHERN ENTRANCE
OF CARWASH DRIVE AISLE
W STORM COLLECTOR BOX,
26. N 6/30/2021 CF -2 4 115.8 10 126.0 92
SOUTHEAST SIDE OF GAS CANOPY
STORM COLLECTOR BOX,
27. N 6/30/2021 CF SOUTHEAST SIDE OF GAS CANOPY -2 4 114.3 9.7 126.0 91
10 FEET FROM TEST#26
STORM COLLECTOR BOX,
28. N 6/30/2021 CF -1 4 115.5 10.2 126.0 92
NORTHEAST SIDE OF GAS CANOPY
STORM COLLECTOR BOX,
29. N 6/30/2021 CF NORTHWEST SIDE OF GAS CANOPY -1 4 115.2 10.1 126.0 91
10 FEET FROM TEST#28
GREASE TRAP IN THE MIDDLE OF
30. N 7/1/2021 CF THE 2 EASTERN MOST BOXES, ON -2 1 114.7 12.2 126.0 91
THE NORTH SIDE OF THE CARWASH
GREASE TRAP ON THE SOUTHERN
31. N 7/1/2021 CF SIDE OF EASTERN MOST BOXES, ON -4 1 115.1 12 126.0 91
THE NORTH SIDE OF THE CARWASH
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil
Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
o 0
(pcf) (/o) (pcf) (/o)
GREASE TRAP ON THE NORTHERN
32. N 7/1/2021 CF SIDE OF EASTERN MOST BOXES, ON FG 1 115.4 13.6 126.0 92
THE NORTH SIDE OF THE CARWASH
GREASE TRAP ON THE SOUTHWEST
33. N 7/8/2021 CF CORNER OF THE WESTERN MOST -4 1 114 13.1 126.0 90
BOX, ON THE NORTH SIDE OF THE
CARWASH
GREASE TRAP IN THE MIDDLE OF
34. N 7/8/2021 CF THE 2 EASTERN MOST BOXES, ON -2 1 113.7 14.8 126.0
THE NORTH SIDE OF THE CARWASH
GREASE TRAP ON THE
35. N 7/8/2021 CF NORTHWESTERN CORNER OF THE FG 1 115.2 12.9 126.0
WESTERN MOST BOX, ON THE
NORTH SIDE OF THE CARWASH
E-W STORM DRAIN ON EASTERN
36. N 7/8/2021 CF FG 4 113.7 12.6 126.0
END OF THE GREASE TRAPS
CURB AND GUTTER ON THE
37. N 8/5/2021 CF SOUTHWEST END OF THE WESTERN FG 4 101.1 13.2 126.0
ENTRANCE (MAIN ST.)
CURB AND GUTTER ON THE
38. N 8/5/2021 CF SOUTHWEST CORNER OF THE FG 4 114.9 12.9 126.0
WESTERN ENTRANCE (MAIN ST.)
39. N 8/6/2021 CF RETEST OF TEST#37 FG 4 123.5 10 126.0
CURB AND GUTTER IN THE MIDDLE
41. N 8/6/2021 CF OF THE WESTERN DRIVEWAY FG 4 122.2 12 126.0
ENTRANCE (MAIN ST.)
CURB AND GUTTER ON THE
42. N 8/6/2021 CF NORTHEAST CORNER OF THE FG 4 121.5 11.8 126.0
WESTERN ENTRANCE (MAIN ST.)
CURB AND GUTTER SOUTHWEST
43. N 8/6/2021 CF MIDDLE BETWEEN EAST AND WEST FG 4 121.8 11 126.0
DRIVEWAYS (MAIN ST.)
CURBS AND GUTTER SOUTHWEST
44. N 8/6/2021 CF CORNER OF THE EAST DRIVEWAY FG 4 115.4 9.9 126.0
(MAIN ST.)
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
(pcf) (%) (pcf) (%)
CURB AND GUTTER NORTHEAST
45. N 8/6/2021 CF CORNER OF THE EAST DRIVEWAY FG 4 113.5 8.9 126.0 90
(MAIN ST.)
CURB AND GUTTER NORTHEAST
46. N 8/6/2021 CF SIDE OF THE EAST DRIVEWAY FG 4 121.2 12.3 126.0 96
(MAIN ST.)
CURB AND GUTTER EASTERN MOST
47. N 8/6/2021 CF SIDE OF THE EAST DRIVEWAY FG 4 122.6 11.1 126.0
(MAIN ST.)
NORTHWEST DRIVE, BASE-EASTERN
48. N 8/6/2021 CF FG 4 131.5 12.1 132.0
DRIVEWAY ENTRY (MIDDLE)
SOUTHWEST, BASE-WESTERN
49. N 8/6/2021 AB DRIVEWAY ENTRY(MIDDLE) FG 1 130.9 11.2 132.0
ENTRANCE
50. N 8/9/2021 AB EAST DRIVE APPROACH, EAST SIDE FG 3 126 8.3 127.5
51. N 8/9/2021 AB EAST DRIVE APPROACH, WEST SIDE FG 3 126.2 6.4 127.5
52. N 8/9/2021 AB EAST DRIVE APPROACH, EAST SIDE FG 3 126 8.3 130.0
53. N 8/9/2021 AB EAST DRIVE APPROACH, WEST SIDE FG 3 128 6.4 130.0
EASTERN MOST SIDEWALK (EAST
54. N 8/18/2021 CF FG 4 120.7 10.5 126.0
OF EASTERN DRIVEWAY)
EASTERN MIDDLE OF SIDEWALK
55. N 8/18/2021 CF (EAST OF EASTERN DRIVEWAY) 30 FG 4 121.5 10.1 126.0
FEET FROM TEST#54
SOUTHWESTERN MIDDLE SECTION
56. N 8/18/2021 CF OF SIDEWALK (WEST OF EASTERN FG 4 125.5 12 126.0
DRIVEWAY)
SOUTHEASTERN MIDDLE SECTION
57. N 8/18/2021 CF OF SIDEWALK (EAST OF WESTERN FG 4 120.4 9.9 126.0
DRIVEWAY) 25 FEET FROM TEST
#56
58. N 8/20/2021 CF ALLEY 10 FEET FROM NORTHEAST FG 4 118.1 3.2 126.0
RETAINING WALL CORNER
59. N 8/20/2021 CF ALLEY 40 FEET EAST OF TEST#58 FG 4 1 117.9 6.9 1 126.0
60. N 8/20/2021 CF I ALLEY 40 FEET EAST OF TEST#59 FG 1 4 1 122.2 10.5 1 126.0
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil
Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
o 0
(pcf) (/o) (pcf) ( )
61. N 8/20/2021 CF ALLEY 40 FEET EAST OF TEST#60 FG 4 119.2 8.4 126.0 95
62. N 8/20/2021 CF ALLEY 40 FEET EAST OF TEST#61 FG 4 114.9 3 126.0 91
63. N 8/20/2021 CF ALLEY 40 FEET EAST OF TEST#62 FG 4 118.2 7.1 126.0 94
V GUTTER FOR ALLEY-BASE North
64. N 8/20/2021 CF FG 5 140 4.9 146.5
end
65. N 8/20/2021 CF V GUTTER FOR ALLEY-BASE 5 FEET FG 5 139.5 6.8 146.5
EAST OF TEST#64
66. N 8/20/2021 CF V GUTTER FOR ALLEY-BASE 5 FEET FG 5 138.1 4.8 146.5
EAST OF TEST#65
67. N 8/20/2021 CF V GUTTER FOR ALLEY-BASE 5 FEET FG 5 138.2 5.2 146.5
EAST OF TEST#66
68. N 8/20/2021 CF V GUTTER FOR ALLEY-BASE 5 FEET FG 5 137.6 5.7 146.5
EAST OF TEST#67
69. N 8/24/2021 CF EAST SIDE OF BLDG, MIDDLE FG 4 121.8 8.7 126.0
70. N 8/24/2021 CF SOUTHEAST CORNER OF BLDG FG 4 120.5 8.6 126.0
71. N 8/24/2021 CF SOUTH SIDE OF BLDG, MIDDLE FG 4 120.1 7.8 126.0
72. N 8/24/2021 CF W SIDE OF BLDG, S PARKING STALL FG 4 121.2 8.1 126.0
73. N 8/25/2021 CF N-S UTILITY TRENCH ON FG 1 113.8 11.4 126.0
SOUTHEAST CORNER OF STORE
74. N 8/26/2021 CF MONOLITHIC SIDEWALK- FG 4 110.1 12.3 126.0 87
SOUTHEASTERN MIDDLE OF STORE
30 FEET EAST OF TEST#74-
75. N 8/26/2021 CF SOUTHWESTERN CORNER OF FG 4 110.9 12.5 126.0 88
STORE
76. N 8/26/2021 CF RETEST OF TEST#74 FG 4 115 11.9 126.0 91
77. N 8/26/2021 CF RETEST OF TEST#75 FG 4 117.3 12 126.0 93
78. N 8/26/2021 CF CURB RUNNING N-S ON THE EAST FG 4 107.4 11.4 126.0 85
DRIVEWAY ENTRANCE
CURB RUNNING N-S ON THE EAST
79. N 8/26/2021 CF DRIVEWAY ENTRANCE- 15 FEET FG 4 108.9 11.9 126.0 86
FROM TEST#78
80. N 8/26/2021 CF RETEST OF TEST#78 FG 4 113.7 12.1 126.0 90
81. N 8/26/2021 CF RETEST OF TEST#79 FG 4 114.7 11.7 126.0 91
82. N 8/26/2021 CF CARWASH EXIT CURB, NORTH SIDE FG 4 109.9 12.2 126.0 87
(RUNNING E-W)
83. N 8/26/2021 CF CARWASH EXIT CURB, SOUTH SIDE FG 4 108.9 12.4 126.0 86
(RUNNING E-W)
84. N 8/26/2021 CF RETEST OF TEST#82 FG 4 114.5 11.8 126.0 91
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
(pcf) (%) (pcf) (%)
85. N 8/26/2021 CF RETEST OF TEST#83 FG 4 115.8 12 126.0 92
86. N 8/26/2021 CF CURB RUNNING N-S BETWEEN FG 4 107.2 12.1 126.0 85
CARWASH AND STORE
87. N 8/26/2021 CF RETEST OF TEST#86 FG 4 109.2 12.6 126.0 --
CURB RUNNING E-W ON SOUTH
88. N 8/26/2021 CF SIDE OF PARKING STALLS (FACING FG 4 114.8 13.4 126.0
CARWASH)
CURB RUNNING E-W ON NORTH
89. N 8/26/2021 CF SIDE OF PARKING STALLS (FACING FG 4 116.4 13.1 126.0
RETAINING WALL)
CURB RUNNING N-S ON EAST SIDE
90. N 8/26/2021 CF OF PARKING STALLS (SOUTH END FG 4 115.9 12.8 126.0 92
OF STORE FRONT)
CURB RUNNING N-S ON EAST SIDE
91. N 8/26/2021 CF OF PARKING STALLS (SOUTH END FG 4 115.4 12.2 126.0 92
OF STORE FRONT)
92. N 8/26/2021 CF RETEST OF TEST#86 FG 4 114.4 1 11.9 126.0 91
93. N 9/8/2021 CF CAR WASH ENTRANCE, MIDDLE FG 4 123.5 10.2 126.0 98
94. N 9/8/2021 CF NORTH END OF EASTERN DRIVE FG 4 122.8 9.8 126.0 97
AISLE
95. N 9/8/2021 CF SOUTHEAST END DRIVE AISLE FG 4 123.3 8.7 126.0 98
96. N 9/8/2021 CF SOUTHWEST END DRIVE AISLE FG 4 124.4 9.3 126.0 99
97. N 9/8/2021 CF CARWASH EXIT, MIDDLE FG 4 124.8 8.9 126.0 99
98. N 9/8/2021 CF NORTH END OF PARKING STALLS FG 4 125.2 8.8 126.0 99
(STORE FRONT)
99. N 9/8/2021 CF SOUTH END OF PARKING STALLS FG 4 122.1 9.2 126.0 97
(STORE FRONT)
N 9/9/2021 AB CARWASH EXIT, MIDDLE FG 5 120.6 6.6 146.5 82
N 9/9/2021 AB 5 FEET EAST OF TEST#100 FG 5 121.8 6 146.5
N 9/9/2021 AB CARWASH ENTRANCE, MIDDLE FG 5 122.9 5.9 146.5
N 9/9/2021 AB RETEST OF TEST#100 FG 5 125.9 6.1 146.5
N 9/9/2021 AB MIDDLE OF PARKING STALLS FG 5 133.9 4.3 146.5
(BUILDING FRONT)
N 9/9/2021 AB CARWASH EXIT, MIDDLE FG 5 131.2 4.5 146.5
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil
Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
o 0
(pcf) (pcf) (�o)
N 9/9/2021 AB CARWASH ENTRANCE, MIDDLE FG 5 138.4 6.1 146.5 94
N 9/9/2021 AB NORTHEAST BEND OF CARWASH FG 5 137.5 5.8 146.5 94
DRIVE AISLE
N 9/9/2021 AB SOUTHEAST BEND OF CARWASH FG 5 138.4 6.9 146.5 94
DRIVE AISLE
109. SOUTHERN MIDDLE OF CARWASH
N 9/9/2021 AB DRIVE AISLE (SOUTH END OF FG 5 137.1 7.9 146.5 94
STORE)
N 9/9/2021 AB RETEST OF TEST#104 FG 5 139.9 7.8 146.5 95
N 9/9/2021 AB RETEST OF TEST#105 FG 5 143.5 7 146.5 98
N 9/9/2021 AB RETEST OF TEST#106 FG 5 142.3 8.1 146.5 97
113.
N 9/9/2021 AB RETEST OF TEST#107 FG 5 140.6 5.8 146.5 96
114.
N 9/9/2021 AB RETEST OF TEST#108 FG 5 141.2 6.7 146.5 96
115.
N 9/9/2021 AB RETEST OF TEST#109 FG 5 143.9 5.2 146.5 98
116. CURB-20 FT WEST FROM TRASH
N 9/27/2021 CF FG 4 119.8 11.2 126.0 95
ENCLOSURE RUNNING E-W
N 9/27/2021 CF CURB-20 FEET WEST OF TEST#116 FG 4 119.6 10.9 126.0 95
118.
N 9/27/2021 CF CURB-20 FEET WEST OF TEST#117 FG 4 121.3 11.7 126.0 96
119.
N 9/27/2021 CF CURB-20 FEET WEST OF TEST#118 FG 4 118.6 11.5 126.0 94
N 9/27/2021 CF CURB RUNNING N-S 20 FEET FG 4 117.4 10.8 126.0 93
NORTHWEST OF TEST#119
CURB-20 FEET NORTH OF TEST
N 9/27/2021 CF FG 4 122.3 11.9 126.0 97
#120122.
CURB-20 FEET NORTH OF TEST
N 9/27/2021 CF FG 4 122.6 11.6 126.0 97
#121
N 9/27/2021 CF CURB-20 FEET NORTH OF TEST FG 4 121.E 12.1 126.0 97
#122
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil
Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
o 0
(pcf) (/o) (pcf) (/o)
124. DRIVE PATH IN THE MIDDLE OF
N 10/4/2021 CF EASTERN ENTRANCE, NORTHEAST FG 4 123.8 8.1 126.0 98
CORNER OF GAS CANOPY
N 10/4/2021 CF DRIVE PATH, SOUTHEAST CORNER FG 4 124.5 7.4 126.0 99
OF GAS CANOPY
126. N 10/4/2021 CF DRIVE PATH ON SOUTHEAST FG 4 125.2 9.3 126.0
MIDDLE OF GAS CANOPY
121. N 10/4/2021 CF DRIVE PATH ON SOUTHWEST FG 4 123.3 8.2 126.0
MIDDLE OF GAS CANOPY
128. N 10/4/2021 CF DRIVE PATH ON SOUTHWEST FG 4 124.9 8.9 126.0
CORNER OF GAS CANOPY
129. DRIVE PATH IN THE MIDDLE OF
N 10/4/2021 CF WESTERN ENTRANCE, NORTHWEST FG 4 122.5 9.4 126.0
CORNER OF GAS CANOPY
130. DRIVE PATH IN THE MIDDLE OF
N 10/5/2021 AB EASTERN ENTRANCE, NORTHEAST FG 5 140.9 4 146.5
CORNER OF GAS CANOPY
131. N 10/5/2021 AB DRIVE PATH, EAST SIDE OF GAS FG 5 143.4 7.1 146.5
CANOPY
N 10/5/2021 AB DRIVE PATH, SOUTHEAST CORNER FG 5 140.4 5.8 146.5
OF GAS CANOPY
N 10/5/2021 AB DRIVE PATH SOUTHERN MIDDLE OF FG 5 142.5 7.1 146.5
GAS CANOPY
134. DRIVE PATH 5 FEET FROM
N 10/6/2021 AB SOUTHERN MIDDLE OF GAS FG 5 128.9 6.1 146.5
CANOPY
135. N 10/6/2021 AB DRIVE PATH 25 FEET SOUTHWEST FG 5 129.7 5.4 146.5
FROM TEST#134
136. N 10/6/2021 AB PARKING SPOTS, 30 FEET EAST OF FG 5 140.4 5.6 146.5
TRASH ENCLOSURE
N 10/6/2021 AB PARKING SPOTS, 40 FEET WEST FG 5 142.3 6.3 146.5
FROM TEST#136
138. N 10/6/2021 AB DRIVE PATH WESTERN MIDDLE OF FG 5 139.3 5.1 146.5
GAS CANOPY
139. DRIVE PATH ENTRANCE OF
N 10/6/2021 AB WESTERN DRIVEWAY 50 FEET FG 5 142.1 5.2 146.5
FROM TEST#138
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
TABLE 1
SUMMARY OF FIELD DENSITY TESTS
Test Test Test Elevation Soil Dry Moisture Max. Rel.
No. Type
Test Date of Test Location (feet) Type Density Content Density Density
(pcf) (%) (pcf) (%)
N 10/6/2021 AB RETEST OF TEST#134 FG 5 139.3 5.8 146.5 95
141.
N 10/6/2021 AB RETEST OF TEST#135 FG 5 140.0 6.0 146.5
142. STORM COLLECTOR BOX,
N 5/26/2021 CF FG 1 102.3 11.3 127.5
SOUTHEAST SIDE OF GAS CANOPY
143. STORM COLLECTOR BOX,
N 5/26/2021 CF SOUTHEAST SIDE OF GAS CANOPY FG 1 118.4 10.9 127.5
10 FEET FROM TEST#
N - Nuclear Test Method FG - Finish Grade Project No.: 182522-35A
SG - Subgrade Material November 2021
CF - Compacted Fill
Map B - RETAINING WALL & ALLEY
LEGEND
Locations are Approximate
N. MAIN STREET
Symbols
Limits of Report
1t 11 -
Density Test Locations
ROW DEDICATION 300 ROW DEDICATION
x x x X X X X X X
rmn p MONUMENT
�A( PRICE SIaN DRAINAGE �— ESCAPE LANE �— PYLON
/ ° BIOSVVALE SIGN
P DRAINAGE BIO-)WALE= o
UNDERGROUND ° o CAR WASH
QQ STORAGE TANKS — — — — — — — — — 1,125 SF
49' 10'
12 I O O 8 O O I I ® 1
MPDs
8 - - - - - - - _ _ ® C-STORE
5 Q 36' 121' 35' 20' 7' 3,000 SF 2
6 0 r 5 3 GEOTECHNICAL MAP
OLOCATED ON THE NORTHEAST CORNER OF NORTH MAIN STREET AND WEST FLINT STREET
CITY OF LAKE ELSINORE,RIVERSIDE COUNTY, CALIFORNIA
r r
9 ( U U Z APN 377-243-002 THROUGH 377-243-007
• > • > • 3 PROJECT CONVENIENCE STORE& CAR WASH
CLIENT HARDESTY&ASSOCIATES, INC
PROJECT NO. 18-2522-35A
063 062 061 • 0 • • DATE OCTOBER 28, 2021
• 68 067 066 0 0 SCALE 1:30
DWG XREFS
REVISION
DRAWN BY JDG PLATE 1 OF 1
-A
Earth Strata Geotechnical Services, Inc.
Geotechnical,Environmental and Materials Testing Consultants
www.ESGSINC.com (951)397-8315
Map C - SIDEWALKS, CURBS & GUTTERS
LEGEND
Locations are Approximate
N. MAIN STREET
Symbols
Limits of Report
37 8 1 �41 43 1 1 46 • 47 f Density Test Locations
ROW DEDICATION 00' ROW DEDICATION
x X X x x x x x x x
P 36' 36'
rmn P MONUMENT
�A PRICE SIaN DRAINAGE �— ESCAPE LANE �— PYLON
/ ° 4 BIOSVVALE84 SIGN
P DRAINAGE BIO-)WALE= o
UNDERGROUND ° o • 103 AR WASH
422 STORAGE TANKS — — — — — — — — — 1,17-5 SF 12' S'
92
4 o o I 49 10
1p I o 0 8 0 o I ® 89
( 124 f e MPDS _ rn _ i 1
- - - - - - - - _ ® C-STORE
51 36' 121' 35' 3,000 SF 2
Q 20' 7'
l �-
0 5 3 GEOTECHNICAL MAP
1 76 LOCATED ON THE NORTHEAST CORNER OF NORTH MAIN STREET AND WEST FLINT STREET
• �0 CITY OF LAKE ELSINORE, RIVERSIDE COUNTY, CALIFORNIA
( 12 1 APN 377-243-002 THROUGH 377-243-007
1
N
• > > • 1Ah 18 1 a PROJECT CONVENIENCE STORE& CAR WASH
'n CLIENT HARDESTY&ASSOCIATES,INC
PROJECT NO. 18-2522-35A
DATE OCTOBER 28, 2021
SCALE 1:30
DWG XREFS
REVISION
DRAWN BY JDG IPLATE 1 OF 1
Earth Strata Geotechnical Services, Inc.
Geotechnical,Environmental and Materials Testing Consultants
www.ESGSINC.com (951)397-8315
Map D - DRIVES, PARKING & SOME CURBS
N. MAIN STREET
Symbols
48 Limits of Report
9 55
39 40 56 i Ot 45 47 54 f Density Test Locations
ROW DEDICATION 300 ROW DEDIC ON
X x x A X
Q 1 36 36'
r,n a--a—a—8 a—
m P MO�MIvT
�A PRICE SIaN o DRAINAGE ESCAPE LANE 4 PYLON
PDRAINAGE BIO'WALI-
2 o �— BI�IVALE111 85 SIGN
P1
UN RGRaUND o ® � � � 124 4 CAR WASH
STO E TANKS — — — — — — — — — 1,12$ SF 09
— — — 130 - 1 3
p 138 _
Q • ° ° ° I 49 10'
l� 121 I ? o $ o °° 0
MPDs _
- - - - - � — [fl10 Jys
C-STORE
' 1436.0128 121' 35' 3
20 ,000 SF Z
125
12 132 5 GEOTECHNICAL MAP
oO /�
Q 139 133 96 7 9 LOCATED ON THE NORTHEAST CORNER OF NORTH MAIN STREET AND WEST FLINT STREET
( 136 \`/� �`/ 7 7 io CITY OF LAKE ELSINORE, RIVERSIDE COUNTY, CALIFORNIA
Q Q 1 9 1 1 5 APN 377-243-002 THROUGH 377-243-007
• > • > • 7 ' ' PROJECT CONVENIENCE STORE& CAR WASH
CLIENT HARDESTY&ASSOCIATES,INC
116 PROJECT NO. 18-2522-35A
DATE OCTOBER 28, 2021
SCALE 1:30
DWG XREFS
REVISION
DRAWN BY JDG IPLATE 1 OF 1
Earth Strata Geotechnical Services, Inc.
Geotechnical,Environmental and Materials Testing Consultants
www.ESGSINC.com (951)397-8315
Map E - STORM DRAIN, SEWER LINE, GREASE TRAP & UTILITY TRENCH
LEGEND
Locations are Approximate
N. MAIN STREET
Symbols
Limits of Report
♦ f • Density Test Locations
O ROW DEDICATION"( b�300' ROW DEDICATION
X x x X x3 • •--36
36' �-a a —o——a a a--a
30
rmn MONUMENT
PRICE SI jN o DRAINAGE ♦— ESCAPE LANE 2 L
/ BIOSVVALE SIGN
P DRAINAGE BIO-)WAL1= o
UNDERGROUND 10
CAR WASH
Q STORAGE TANKS — — — — — — — — 1,125 SF 12' 5'
(� 27 28
49' 10'
? o 0 8 0 o I I f ® 4 1
i I - e MPDs
p26 - - = - - - - - = 9 ® C-STORE
121' 35' , 3000 SF Z
Q ♦_ 20 7 , 2
( o
rn S 21 3 I GEOTECHNICAL MAP
OLOCATED ON THE NORTHEAST CORNER OF NORTH MAIN STREET AND WEST FLINT STREET
or Cr
�p CITY OF LAKE ELSINORE, RIVERSIDE COUNTY, CALIFORNIA
Q Q r . r • 1 A• • APN 377-243-002 THROUGH 377-243-007
• > IF-4• > • 0 0 1 18 7 PROJECT CONVENIENCE STORE& CAR WASH
CLIENT HARDESTY&ASSOCIATES,INC
PROJECT NO. 18-2522-35A
DATE OCTOBER 28, 2021
SCALE 1:30
DWG XREFS
REVISION
DRAWN BY JDG IPLATE 1 OF 1
Earth Strata Geotechnical Services, Inc.
Geotechnical,Environmental and Materials Testing Consultant
www.ESGSINC.com (951)397-8315