Project Information

Project ID: 215220 DEA: 07210624 EFIS: 0719000068 QA Service Level: 1

DIST-CO-RTE-PM: 07-LA,SBD-71-1.8/R4.7&R0.0/R0.2

Work Description: PLACE STRUCTURE CONCRETE RETAINING WALLS & BOX CULVERT AND PLACE JPCP.

Location Description: IN LOS ANGELES AND SAN BERNARDINO COUNTIES IN POMONA AND CHINO HILLS FROM 0.2 MILE SOUTH OF MISSION BOULEVARD OVERCROSSING TO 0.2 MILE OF SAN BERNARDINO COUNTY LINE.

Contractor Name: OHL USA

Contractor Address: 1920 Main Street, Suite 310, Irvine, California 92614

Resident Engineer: Michael Wang Structure Rep.: Ryan Valentine

Sample Information

DIME Sample ID: 2025-08-13-98

TL Number from the TL Form:

Sample Submitted By Organization: Alta Vista Solutions - Whittier

Sample Organization Contact: (510) 542-9827

Type of Sample: Quality Assurance

Type of Material: Aggregate

Sample Taken Date: 08/13/2025

Date that the sample was received by the laboratory/organization performing the testing: 08/13/2025

The quantity of what the sample constitutes: 1,610 SY

A brief description of the sample: Class 3 Aggregate Base

From where was the sample collected: Job Site

Laboratory sample identification: 25-2709

Structure unique identifier:

Structure name: 71 South Bound Median

The fabricator/manufacturer/facility name: n/a

Material Information

Source Identification (SMARA, name of Pit or Job Site): N/A

The fabricator's/manufacturer's product name for the sample: Class 3 Aggregate base

The fabricator/manufacturer designation for the sample: Compaction Testing

The plant number:

A detailed description of where the material sample was collected: jobsite

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

Primary Aggregate Nominal Size: 3/4 inch

The concrete mix design number:

Lot number:

Sublot number:

Aggregate Mix Number: 71 South Bound Median

Test Results

Test 1 of 2

DIME Test ID: 2025-08-13-98-1

Test Method: CTM 231-March 2013: Method of Test for Relative Compaction of Untreated and Treated Soils and Aggregates Using Nuclear Gages

Verified Date: 09/17/2025

Date Tested: 08/13/2025

Submitted By Organization: Alta Vista Solutions - Whittier

Organization Address: 12409 Slauson Avenue, Suite I,

Organization City: Whittier

Organization State: CA

Organization Zipcode: 90606

Organization Email: nicholas.hoffmann@oneatlas.com

Organization Phone: (510) 542-9827

General Comments for this Test:

Test Result Compliance: complies

Additional Comments When Verified:

Standard Count Density	1830 g/cc
Count or Density 1	1634 g/cc
Count or Density 2	1501 g/cc
Count or Density 3	1616 g/cc
Count or Density 4	1631 g/cc
Count or Density 5	1695 g/cc
Standard Count Moisture	610 g/cc
Moisture Count 1	98 g/cc
Moisture Count 2	97 g/cc
Moisture Count 3	101 g/cc
Moisture Count 4	91 g/cc
Moisture Count 5	99 g/cc
Sum of Count or Density	8077 g/cc
Average of Count or Density	1615.4 g/cc
Sum of Moisture Count	486 g/cc
Average of Moisture Count	97.2 g/cc
Calculated Percent Relative Compaction	95.2 %
Reported Percent Relative Compaction	95 %

Test 2 of 2

DIME Test ID: 2025-08-13-98-2

Test Method: CTM 216-June 2011: Method of Test for Relative Compaction of Untreated and Treated Soils and Aggregates