Project Information

Project ID: 994803 DEA: 043J0704 EFIS: 0415000077 QA Service Level: 1

DIST-CO-RTE-PM: 04-CC-80-10.1/13.5

Work Description: Remove PCC and AC, place PCP and AC Resurfacing.

Location Description: Construction on State Highway in Contra Costa County in Hercules and Crockett from Route 80/4 separation to 0.1 mile west of Crockett Viaduct.

Contractor Name: VANGUARD CONSTRUCTION, INC.

Contractor Address: 651 ENTERPRISE CT, LIVERMORE, CA 94550

Resident Engineer: Ta Seng Structure Rep.: Unknown

Sample Information

DIME Sample ID: 2023-07-22-57

TL Number from the TL Form:

Sample Submitted By Organization: CT D04 - Richmond Field Laboratory

Sample Organization Contact: (510) 231-7151

Type of Sample: Quality Assurance

Type of Material: Aggregate

Sample Taken Date: 07/22/2023

Date that the sample was received by the laboratory/organization performing the testing: 07/22/2023

The quantity of what the sample constitutes: LOT 1 SUBLOT 1

A brief description of the sample: 1/2-INCH HMA-SP Type A

From where was the sample collected: Source

Laboratory sample identification:

Structure unique identifier:

Structure name:

The fabricator/manufacturer/facility name: County Asphalt Batch plant

Material Information

Source Identification (SMARA, name of Pit or Job Site): 91-07-0003

The fabricator's/manufacturer's product name for the sample:

The fabricator/manufacturer designation for the sample:

The plant number:

A detailed description of where the material sample was collected: Sample Pickup From Plant

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

Primary Aggregate Nominal Size: 1/2 inch

The concrete mix design number:

Lot number: 1

Sublot number: 1

Aggregate Mix Number: L230620

Test Results

Test 1 of 2

DIME Test ID: 2023-07-22-57-1

Test Method: AASHTO T27-14: Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates (Sieve Analysis)

Verified Date: 09/15/2023

Date Tested: 07/22/2023

Submitted By Organization: CT D04 - Richmond Field Laboratory

Organization Address: 3401 Regatta Boulevard,

Organization City: Richmond

Organization State: CA

Organization Zipcode: 94508

Organization Email: santiago.sequeira@dot.ca.gov

Organization Phone: (510) 385-7641

General Comments for this Test: LOT 1 SUBLOT 1 Production Startup Sieve#4 FAILED County Asphalt Batch Plant 15%RAP

Test Result Compliance: does not comply

Additional Comments When Verified:

What type of gradation is being tested?	Combined Gradation
Cumulative percent passing the 2 in. sieve	0 %
Cumulative percent passing the 1 1/2 in. sieve	100 %
Cumulative percent passing the 1 in. sieve	100 %
Cumulative percent passing the 3/4 in. sieve	100 %
Cumulative percent passing the 1/2 in. sieve	98 %
Cumulative percent passing the 3/8 in. sieve	87 %
Cumulative percent passing the #4 sieve	62 %
Cumulative percent passing the #8 sieve	37 %
Cumulative percent passing the #16 sieve	24 %
Cumulative percent passing the #30 sieve	16 %
Cumulative percent passing the #50 sieve	11 %
Cumulative percent passing the #100 sieve	8 %
Cumulative percent passing the #200 sieve	4.9 %

Test 2 of 2

DIME Test ID: 2023-07-22-57-2

Test Method: AASHTO T176-08: Standard Method of Test for Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test (Sand Equivalent)