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Sample Record for 2025-10-03-53

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Project Information

Project ID: 1000700 DEA: 07348204 EFIS: 0718000137 QA Service Level: 1
DIST-CO-RTE-PM: 07-LA-210-R19.4/R27.0
Work Description: RESTORE BRIDGE AND DRAINAGE SYSTEM, AND CONSTRUCT STAMPED CONCRETE.
Location Description: LOS ANGELES COUNTY IN LA CANADA FLINTRIDGE AND PASADENA AT VARIOUS LOCATIONS FROM 0.1 MILE EAST OF WINERY CANYON FLUME OVERCROSSING TO 0.1 MILE EAST OF HILL AVENUE UNDERCROSSING
Contractor Name: BOSCO CONSTRUCTORS, INC.
Contractor Address: Unknown
Resident Engineer: Danglong Tran Structure Rep.: Unknown

Sample Information

DIME Sample ID: 2025-10-03-53
TL Number from the TL Form: 07-348204
Sample Submitted By Organization: CT D07 - Materials Field Laboratory, Unit 1953
Sample Organization Contact: (213) 817-0387
Type of Sample: Acceptance
Type of Material: Concrete
Sample Taken Date: 10/03/2025
Date that the sample was received by the laboratory/organization performing the testing: 10/04/2025
The quantity of what the sample constitutes: 130 CY
A brief description of the sample: 4X8 PCC cylinders
From where was the sample collected: Job Site
Laboratory sample identification: 25-1079
Structure unique identifier:
Structure name:
The fabricator/manufacturer/facility name: Robertsons

Material Information

The concrete mix design number: SC590B33
The truck number from where the sample was collected: 6
The batch plant ticket number from where the sample was collected: 1496555
Concrete batch plant: ROBERTSONS
The fabricator/manufacturer designation for the sample:
A detailed description of where the material sample was collected: truck chute
Where the material sample would have been placed if not sampled:
From Lot No.:
Bag Lot No.:

Test Results

Test 1 of 3

DIME Test ID: 2025-10-03-53-1
Test Method: CTM 521-June 2020: Method of Test for Compressive Strength of Molded Concrete Cylinders
Verified Date: 10/14/2025
Date Tested: 10/10/2025
Submitted By Organization: CT D07 - Materials Field Laboratory, Unit 1953
Organization Address: 1940 South Workman Mill Road,
Organization City: Whittier
Organization State: CA
Organization Zipcode: 90601
Organization Email: chad.chotibhongs@dot.ca.gov
Organization Phone: (213) 407-6963
General Comments for this Test:
Test Result Compliance: complies
Additional Comments When Verified:
Unit system used? US Units
Number of specimens 3
Test performed With no density determined
Capped in accordance with? ASTM C617 - Sulfur Mortar Cap
Average diameter of cylinder 1 4.00 in
Average diameter of cylinder 2 4.01 in
Average diameter of cylinder 3 4.01 in
Cross sectional area of cylinder 1 12.57 in^2
Cross sectional area of cylinder 2 12.63 in^2
Cross sectional area of cylinder 3 12.63 in^2
Compressive strength (to nearest 10 psi) 3910 psi
Maximum load on cylinder 1 46448 lb
Maximum load on cylinder 2 50361 lb
Maximum load on cylinder 3 51013 lb
Compressive strength of cylinder 1 3695.1 psi
Type of fracture pattern of cylinder 1 2
Compressive strength of cylinder 2 3987.4 psi
Compressive strength of cylinder 3 4039 psi
Type of fracture pattern of cylinder 2 2
Type of fracture pattern of cylinder 3 2
Comment on any defect in either specimen or caps (Max 250 Characters) no data
Correction factor for cylinder 1 1
Correction factor for cylinder 2 1
Correction factor for cylinder 3 1
Age of specimen 7 days
Age of specimen in hours no data0 hours

Test 2 of 3

DIME Test ID: 2025-10-03-53-2
Test Method: CTM 521-June 2020: Method of Test for Compressive Strength of Molded Concrete Cylinders
Verified Date: 10/17/2025
Date Tested: 10/17/2025
Submitted By Organization: CT D07 - Materials Field Laboratory, Unit 1953
Organization Address: 1940 South Workman Mill Road,
Organization City: Whittier
Organization State: CA
Organization Zipcode: 90601
Organization Email: chad.chotibhongs@dot.ca.gov
Organization Phone: (213) 407-6963
General Comments for this Test:
Test Result Compliance: complies
Additional Comments When Verified:
Unit system used? US Units
Number of specimens 3
Test performed With no density determined
Capped in accordance with? ASTM C617 - Sulfur Mortar Cap
Average diameter of cylinder 1 4.01 in
Average diameter of cylinder 2 4.01 in
Average diameter of cylinder 3 4.02 in
Cross sectional area of cylinder 1 12.63 in^2
Cross sectional area of cylinder 2 12.63 in^2
Cross sectional area of cylinder 3 12.69 in^2
Compressive strength (to nearest 10 psi) 4710 psi
Maximum load on cylinder 1 58030 lb
Maximum load on cylinder 2 61876 lb
Maximum load on cylinder 3 58646 lb
Compressive strength of cylinder 1 4594.6 psi
Type of fracture pattern of cylinder 1 2
Compressive strength of cylinder 2 4899.1 psi
Compressive strength of cylinder 3 4621.4 psi
Type of fracture pattern of cylinder 2 2
Type of fracture pattern of cylinder 3 2
Comment on any defect in either specimen or caps (Max 250 Characters) no data
Correction factor for cylinder 1 1
Correction factor for cylinder 2 1
Correction factor for cylinder 3 1
Age of specimen 14 days
Age of specimen in hours no data0 hours

Test 3 of 3

DIME Test ID: 2025-10-03-53-3
Test Method: CTM 521-June 2020: Method of Test for Compressive Strength of Molded Concrete Cylinders
Verified Date: 11/03/2025
Date Tested: 10/31/2025
Submitted By Organization: CT D07 - Materials Field Laboratory, Unit 1953
Organization Address: 1940 South Workman Mill Road,
Organization City: Whittier
Organization State: CA
Organization Zipcode: 90601
Organization Email: chad.chotibhongs@dot.ca.gov
Organization Phone: (213) 407-6963
General Comments for this Test:
Test Result Compliance: complies
Additional Comments When Verified:
Unit system used? US Units
Number of specimens 3
Test performed With no density determined
Capped in accordance with? ASTM C617 - Sulfur Mortar Cap
Average diameter of cylinder 1 4.02 in
Average diameter of cylinder 2 4.01 in
Average diameter of cylinder 3 4.02 in
Cross sectional area of cylinder 1 12.69 in^2
Cross sectional area of cylinder 2 12.63 in^2
Cross sectional area of cylinder 3 12.69 in^2
Compressive strength (to nearest 10 psi) 4800 psi
Maximum load on cylinder 1 60405 lb
Maximum load on cylinder 2 60548 lb
Maximum load on cylinder 3 61565 lb
Compressive strength of cylinder 1 4760.0 psi
Type of fracture pattern of cylinder 1 2
Compressive strength of cylinder 2 4794.0 psi
Compressive strength of cylinder 3 4851.5 psi
Type of fracture pattern of cylinder 2 2
Type of fracture pattern of cylinder 3 2
Comment on any defect in either specimen or caps (Max 250 Characters) no data
Correction factor for cylinder 1 1
Correction factor for cylinder 2 1
Correction factor for cylinder 3 1
Age of specimen 28 days
Age of specimen in hours no data0 hours