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 # 043G4544 Cty ALA Rte 92 PM R14.4/R18.8,R0.0/R.2.4

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Kingston Atako

Date Reported:

10/30/2020

Address:

TL Number:

174804

City:

Project Name: Repair Spalled Concrete Columns and Spandrel Beams

Prime Contractor: Golden State Bridge, Inc

Sample Taken Date:

10/02/2020

Mix Design:

0000000000

Contractor: Unknown

Location : San Mateo-Hayward Bridge

Structure unique identifier:

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
16.0128.371861326561.01
26.0028.271922096798.01

DIME Test ID: 2020-10-02-18-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 6680
Age of specimen: 28 days
Certified By: Larry McCrum



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