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 # 040A7104 Cty ALA Rte 880 PM 28.4/29.2

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Joy Cheung

Date Reported:

04/19/2016

Address:

TL Number:

194838

City:

Project Name: WIDEN ROADS, RECONSTRUCT RAMPS WITH HMA, REPLACE 2 CONC OVERCROSSINGS.

Prime Contractor: RGW Construction

Sample Taken Date:

04/11/2016

Mix Design:

LCB300RSN

Contractor: Unknown

Location : ALAMEDA COUNTY IN ALAMEDA AND OAKLAND FROM 0.2 MILE SOUTH OF 29TH AVENUE OVERCROSSING TO 0.3 MILE NORTH OF 23RD AVENUE OVERCROSSING.

Structure unique identifier: Unknown

Structure name: Unknown

Location of Pour: 05 station 880 NB


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
15.9928.18577062047.81
26.0028.27548461940.11
35.9928.18546071937.84
46.0028.27564451996.61

DIME Test ID: 2016-04-11-5-1
Number of specimens: 4
Compressive strength (to nearest 10 psi): 1980
Age of specimen: 8 days
Certified By: Bang Nguyen



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