STATE OF CALIFORNIA - CALIFORNIA STATE TRANSPORTATION AGENCY

Gavin Newsom, Governor

DEPARTMENT OF TRANSPORTATION

DIVISION OF ENGINEERING SERVICES

MATERIALS ENGINEERING AND TESTING SERVICES

Concrete Materials Testing Branch

5900 Folsom Blvd.

Sacramento, CA 95819

916-227-7205

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Contract # 032F5704 Cty PLA Rte 80 PM 46.3/63.5

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Tad Sampson

Date Reported:

11/23/2021

Address:

TL Number:

185916

City:

Project Name: Replace 4 Bridges (OC) on Highway 80 from Crystal Springs to Cisco Grove (Baxter, Drum Forebay)

Prime Contractor: Walsh Construction Company II, LLC (Walsh)

Sample Taken Date:

10/12/2021

Mix Design:

Unknown

Contractor: Unknown

Location :

Structure unique identifier: 19-0112

Structure name:

Location of Pour:


The following testing has been tested in accordance with:

ASTM C39-17a : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

Capped in accordance with ASTM C617/CTM521

Cured in accordance with ASTM C511

SpecimenAverage diameter of cylinder (in)Cross sectional area of cylinder (in^2)Maximum load on cylinder (lb)Compressive strength of cylinder (psi)Type of fracture pattern of cylinder
16.0128.371366914818.01
26.0028.271358884806.01

DIME Test ID: 2021-10-12-13-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 4810
Age of specimen: 28 days
Certified By: Spencer Adams


ASTM C39-17a : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

Capped in accordance with ASTM C617/CTM521

Cured in accordance with ASTM C511

SpecimenAverage diameter of cylinder (in)Cross sectional area of cylinder (in^2)Maximum load on cylinder (lb)Compressive strength of cylinder (psi)Type of fracture pattern of cylinder
16.0028.271444295108.01
26.0128.371475545201.01

DIME Test ID: 2021-10-12-13-2
Number of specimens: 2
Compressive strength (to nearest 10 psi): 5150
Age of specimen: 42 days
Certified By: Spencer Adams



Summary of Items Observed and Conversations:

Comments: This report is for the purpose of reporting test results.
Should you require recommendations concerning repairs or remedial efforts please contact the METS representative,
who represents the Materials Engineering and Testing Services for your project.

*Subject to final inspection by the Resident Engineer.




TL- Report of Laboratory Testing