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

Contract # 04013584 Cty SF Rte 80 PM 8.0/8.3,0.9/1.4

Vendor #

	REPORT OF LABORATORY TESTING
Resident Engineer:	Brian Boal	Date Reported:	09/25/2018
Address:		TL Number:
City:
Project Name: Pier Retention
Prime Contractor: Kiewit/Manson, AJV
Sample Taken Date:	08/28/2018	Mix Design:	4E01C5S1
Contractor: Unknown		Location : In San Francisco and Alameda Counties on Yerba Buena Island and .4 miles west of Oakland Toll plaza
Structure unique identifier:
Structure name: YBI Observation Structure
Location of Pour: Abutment Seat and E2 Backwall

The following testing has been tested in accordance with:

ASTM C39-10 : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

Capped in accordance with ASTM C617/CTM521

Cured in accordance with ASTM C511

Specimen	Cross sectional area of cylinder (in^2)	Average diameter of cylinder (in)	Compressive strength of cylinder (psi)	Maximum load on cylinder (lb)	Type of fracture pattern of cylinder
1	28.37	6.01	4983.4	141379	1
2	28.27	6.00	5346.5	151145	1

DIME Test ID: 2018-08-28-2-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 5160
Age of specimen: 8 days
Certified By: Mike Mullins

ASTM C39-10 : Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

Capped in accordance with ASTM C617/CTM521

Cured in accordance with ASTM C511

Specimen	Cross sectional area of cylinder (in^2)	Average diameter of cylinder (in)	Compressive strength of cylinder (psi)	Maximum load on cylinder (lb)	Type of fracture pattern of cylinder
1	28.37	6.01	7329.5	207937	4
2	28.37	6.01	7003.8	198697	4

DIME Test ID: 2018-08-28-2-2
Number of specimens: 2
Compressive strength (to nearest 10 psi): 7170
Age of specimen: 28 days
Certified By: Ruben Macias

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

DEPARTMENT OF TRANSPORTATION

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.

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.