Sample Record for 2026-05-19-64
Note: Fields with no data or with a value of "Unknown" will not be displayed on the print out.
Project Information
Project ID: 210094 DEA: 040G3604 EFIS: 0400000326 COOP: 042553A1,042981
QA Service Level: 1
DIST-CO-RTE-PM: 04-ALA-880,880-31.0/32.4
Work Description: I-880 BROADWAY/ JACKSON INTERCHANGE: Modify Ramps, Hma Pvmt, Bridges, Drainage, Signals, Sw And Bikeway
Location Description: IN ALA COUNTY
Contractor Name: BAY CITIES PAVING & GRADING, INC.
Contractor Address: 1450 Civic Ct. Bbld. B, Suit 400, Concord CA, 94520
Resident Engineer: cecilia Zamora Structure Rep.: Kristen Wu
Sample Information
DIME Sample ID: 2026-05-19-64
TL Number from the TL Form:
Sample Submitted By Organization: CT SC - 3674 - Oakland
Sample Organization Contact: (510) 719-7463
Type of Sample: Quality Assurance
Type of Material: Concrete
Sample Taken Date: 05/19/2026
Date that the sample was received by the laboratory/organization performing the testing: 05/28/2026
The quantity of what the sample constitutes: 99
A brief description of the sample: Structural Concrete, Retaining Wall
From where was the sample collected: Job Site
Laboratory sample identification:
Structure unique identifier:
Structure name: RW105 Footing
The fabricator/manufacturer/facility name: Central Concrete
Material Information
The concrete mix design number: D20119EA
The truck number from where the sample was collected: 6320
The batch plant ticket number from where the sample was collected: 1076849
Concrete batch plant: Pleasanton
The fabricator/manufacturer designation for the sample: Central Concrete
A detailed description of where the material sample was collected: sample collected from concrete truck
Where the material sample would have been placed if not sampled: RW105 Footing
From Lot No.:
Bag Lot No.:
Test Results
Test
DIME Test ID: 2026-05-19-64-1
Test Method: ASTM C39-17a: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Verified Date: 06/16/2026
Date Tested: 06/16/2026
Submitted By Organization: CT HQ - Vallejo Field Laboratory
Organization Address: 690 Walnut,
Organization City: vallejo
Organization State: CA
Organization Zipcode: 94592
Organization Email: yannick.aranas@dot.ca.gov
Organization Phone: (916) 639-4315
General Comments for this Test: please send results to: kevin.melendez@dot.ca.gov
Test Result Compliance:
Additional Comments When Verified:
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Unit system used?
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US Units
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Number of specimens
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3
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Test performed
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With no density determined
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Capped in accordance with?
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ASTM C1231 - Unbonded Elastomeric Pad Cap
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Average diameter of cylinder 1
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4.00 in
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Average diameter of cylinder 2
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4.00 in
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Average diameter of cylinder 3
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4.00 in
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Cross sectional area of cylinder 1
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12.57 in^2
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Cross sectional area of cylinder 2
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12.57 in^2
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Cross sectional area of cylinder 3
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12.57 in^2
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Compressive strength (to nearest 10 psi)
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4080 psi
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Maximum load on cylinder 1
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50945 lb
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Maximum load on cylinder 2
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51560 lb
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Maximum load on cylinder 3
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51280 lb
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Compressive strength of cylinder 1
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4052.9 psi
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Type of fracture pattern of cylinder 1
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3
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Compressive strength of cylinder 2
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4101.8 psi
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Compressive strength of cylinder 3
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4079.6 psi
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Type of fracture pattern of cylinder 2
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3
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Type of fracture pattern of cylinder 3
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3
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Comment on any defect in either specimen or caps (Max 250 Characters)
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no data
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Correction factor for cylinder 1
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1
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Correction factor for cylinder 2
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1
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Correction factor for cylinder 3
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1
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Age of specimen
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28 days
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Age of specimen in hours
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no data
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