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 # 040120T4 Cty SF Rte 80 PM 12.6/13.9

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Tom Larwin

Date Reported:

01/05/2015

Address:

TL Number:

Unknown

City:

Project Name: CONSTRUCT BRIDGE, ROADWAYS, ELECTRICAL, BUILDINGS AND REMOVE BRIDGES

Prime Contractor: CALIFORNIA ENGINEERING CONTRACTORS, INC.

Sample Taken Date:

12/06/2014

Mix Design:

D101C5E1

Contractor: Unknown

Location: THE CITY AND COUNTY OF SAN FRANCISCO FROM THE YERBA BUENA TUNNEL TO 1.3 KM EAST OF THE YERBA BUENA TUNNEL

Structure unique identifier: Tower Crane Foundation E3

Structure name: Old SFOBB

Location of Pour:


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

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
128.566.035844.81669272
228.466.025916.51683831

DIME Test ID: 2014-12-06-1-1
Number of specimens: 2
Compressive strength (to nearest 10 psi): 5880
Comment on any defect in either specimen or caps (Max 250 Characters): Both cylinder diameters for each specimen are not in compliance. w/ ASTM C39 section 6.1. Diameters of the same cylinder differ more than 2%.
Age of specimen: 30 days
Certified By: She Vang



Summary of Items Observed and Conversations:

Test ID: 2014-12-06-1-1: Cylinder diameters for each specimen are not within 2% requirement. Please check cylinder molds prior to sampling concrete cylinders.

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