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 # 042J7204 Cty CC Rte 580 PM 1.17

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Bardan Gurung

Date Reported:

10/20/2021

Address:

TL Number:

04150000161

City:

Project Name: STEGE DRAIN SUPER-STRUCTURE, PRECAST VOIDED SLABS

Prime Contractor: GORDON N BALL INC

Sample Taken Date:

09/22/2021

Mix Design:

4EACC5KS

Contractor: Unknown

Location: CONTRA COSTA COUNTY IN RICHMOND FROM 0.3 MILE EAST OF STEGE DRAIN BRIDGE TO 0.3 MILE WEST OF BAYVIEW AVENUE OVERCROSSING

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

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
16.0028.271704416028.01
26.0028.271741516159.01

DIME Test ID: 2021-09-22-45-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 6090
Age of specimen: 28 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