Project Information

Project ID: 994812 DEA: 042K7204 EFIS: 0417000014 QA Service Level: 1

DIST-CO-RTE-PM: 04-CC-4-R14.3/24.3

Work Description: Pvmt rehabilitation, slab repl, ADA curb ramp and install guardrail.

Location Description: On state highway in Contra Costa County in and near Concord and Pittsburg from 0.3 miles east of Peralta Road Undercrossing to Loveridge Road Overcrossing.

Contractor Name: O.C. Jones & Sons, Inc. (Victor Babbitt)

Contractor Address: 1520 Fourth Street, Berkeley, CA 94710

Resident Engineer: Rabi Mukherjee Structure Rep.: Unknown

Sample Information

DIME Sample ID: 2023-07-11-68

TL Number from the TL Form:

Sample Submitted By Organization: CT D04 - Concord Field Laboratory

Sample Organization Contact: (510) 714-7019

Type of Sample: Quality Assurance

Type of Material: Concrete

Sample Taken Date: 07/11/2023

Date that the sample was received by the laboratory/organization performing the testing: 07/14/2023

The quantity of what the sample constitutes: 3 beams

A brief description of the sample: PCC Beams

From where was the sample collected: Job Site

Laboratory sample identification:

Structure unique identifier:

Structure name: HWY 4

The fabricator/manufacturer/facility name: Vanguard / G3

Material Information

The concrete mix design number: HE4X4BM

The truck number from where the sample was collected: 0000

The batch plant ticket number from where the sample was collected: 0000

Concrete batch plant: Vanguard

The fabricator/manufacturer designation for the sample: 0

A detailed description of where the material sample was collected: Concrete Truck

Where the material sample would have been placed if not sampled:

From Lot No.:

Bag Lot No.:

Test Results

Test 1 of 1

DIME Test ID: 2023-07-11-68-6

Test Method: CTM 524-March 2013: Method of Test for Flexural Strength Of Rapid Strength Concrete

Verified Date: 08/28/2023

Date Tested: 07/14/2023

Submitted By Organization: CT D04 - Concord Field Laboratory

Organization Address: 2525 Stanwell Drive, Suite 100,

Organization City: Concord

Organization State: CA

Organization Zipcode: 94520

Organization Email: gurind.joshi@dot.ca.gov

Organization Phone: (510) 714-7019

General Comments for this Test: Vanguard Mobile Plant Martinez

Test Result Compliance: complies

Additional Comments When Verified:

Number of specimens	3
Does the testing machine measure load or stress on the beam specimen?	Load
Fracture initiates in the tension surface	Within the Middle Third of the Span Length
Fracture occurred at a capped section	Yes
Is a beam dimensional correction factor used?	Yes
Age of specimen	3 days
Modulus of rupture	780 psi
Modulus of rupture average	730 psi
Modulus of rupture 2	720 psi
Modulus of rupture 3	680 psi

Tests Assigned to this Sample