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 # 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:

09/14/2018

Address:

TL Number:

City:

Project Name: Pier Retention

Prime Contractor: Kiewit/Manson, AJV

Sample Taken Date:

08/17/2018

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: Pier 2 Girder Seat


The following testing has been tested in accordance with:

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

SpecimenCross 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
128.095.983948.71109181
228.376.013907.21108461

DIME Test ID: 2018-08-17-10-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 3930
Comment on any defect in either specimen or caps (Max 250 Characters):
Age of specimen: 7 days
Certified By: Mike Mullins


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

SpecimenCross 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
128.185.996937.01954861
228.276.007076.72000581

DIME Test ID: 2018-08-17-10-2
Number of specimens: 2
Compressive strength (to nearest 10 psi): 7010
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