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

image

Contract # 040J4804 Cty CC Rte 4 PM L0.1/R20.4

Vendor #


REPORT OF LABORATORY TESTING

Resident Engineer:

Rabindra Mukherjee

Date Reported:

02/27/2024

Address:

TL Number:

209251

City:

Project Name: Remove and install guardrails and construct concrete barriers.

Prime Contractor: HIGHWAY SPECIALTY COMPANY INC.

Sample Taken Date:

01/30/2024

Mix Design:

1610696

Contractor: Unknown

Location : ON STATE HIGHWAY IN CONTRA COSTA COUNTY AT VARIOUS LOCATIONS FROM 0.1 MILE WEST OF ROUTE 4/80 SEPARATION TO 0.3 MILE EAST OF BAILEY ROAD UNDERCROSSING.

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

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
14.0012.57464433696.01
24.0012.57440363504.01
34.0112.634893738751

DIME Test ID: 2024-01-30-58-1
Number of specimens: 3
Compressive strength (to nearest 10 psi): 3690
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