Summary for Test 2025-09-25-74-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 994539 DEA: 021H58U4 EFIS: 0223000059 |
|---|---|
| DIST-CO-RTE-PM | 02-PLU-70-58.2/R78.4 |
| Award Date | 06/27/2023 |
| Closeout Date | Not set |
| Work Description | RECONSTRUCT ROADWAY, HMA PAVING, DRAINAGE AND ELECTRICAL WORK. |
| Location Description | PLUMAS COUNTY AT AND NEAR CROMBERG FROM GILL RANCH ROAD TO 0.2 MILE WEST OF BIG GRIZZLY CREEK BRIDGE |
| QA Service Level | 1 (Verified on 05/08/2023) |
Sample Information
| Sample Taken Date | 09/25/2025 | Sample Unique Key | 74 |
|---|---|---|---|
| Will the laboratory/organization for which you are a member perform testing on this material sample? | Yes | Date that the sample was received by the laboratory/organization performing the testing | 09/29/2025 |
| Sample type | Acceptance | A brief description of the sample | Grindings |
| The quantity of what the sample constitutes | Not Provided | From where was the sample collected | Job Site |
| First name of sampler or witnessed by | Riley | Last name of sampler or witnessed by | Melvin |
| Title of sampler | Consultant | Telephone number of sampler | |
| Laboratory sample identification | D80066 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Mercer Fraser | Transportation Laboratory (TL) Number | 858582 |
| Inspector Lot Number from the Transportation Laboratory (TL) Form | Structure unique identifier | ||
| Structure name | Bid Item | Not set |
Material Information
| Material Type | Aggregate | Source Identification (SMARA, name of Pit or Job Site) | Jobsite |
|---|---|---|---|
| The fabricator's/manufacturer's product name for the sample | The fabricator/manufacturer designation for the sample | 3/4 in Class 2 Aggregate Base | |
| The plant number | A detailed description of where the material sample was collected | Stockpile at PM 71.1 | |
| Where the material sample would have been placed if not sampled | Primary Aggregate Nominal Size | 3/4 inch | |
| The concrete mix design number | Lot number | ||
| Sublot number | Aggregate Mix Number |
Test Details
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DIME Sample ID: 2025-09-25-74
DIME Test ID: 2025-09-25-74-2
Testing Lab: CT D02 - Redding Northern Regional Laboratory
Test Method: CTM 301-March 2000: Method for Determining the Resistance "R" Value of Treated and Untreated Bases, Subbases, and Basement Soils by the Stabilometer
Test Release Date: 2025-10-09
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 10/08/2025
As Received Gradation, Percent Passing 3 in. sieve: no data
As Received Gradation, Percent Passing 2 1/2 in. sieve: no data
As Received Gradation, Percent Passing 2 in. sieve: no data
As Received Gradation, Percent Passing 1 1/2 in. sieve: no data
As Received Gradation, Percent Passing 1 in. sieve: 100 %
As Received Gradation, Percent Passing 3/4 in. sieve: 95 %
As Received Gradation, Percent Passing 1/2 in. sieve: 83 %
As Received Gradation, Percent Passing 3/8 in. sieve: 73 %
As Received Gradation, Percent Passing #4 sieve: 50 %
As Received Gradation, Percent Passing #8 sieve: 36 %
As Received Gradation, Percent Passing #16 sieve: 26 %
As Received Gradation, Percent Passing #30 sieve: 17 %
As Received Gradation, Percent Passing #50 sieve: 11 %
As Received Gradation, Percent Passing #100 sieve: 6 %
As Received Gradation, Percent Passing #200 sieve: 4 %
As Used Gradation, Percent Passing 3 in. sieve: no data
As Used Gradation, Percent Passing 2 1/2 in. sieve: no data
As Used Gradation, Percent Passing 2 in. sieve: no data
As Used Gradation, Percent Passing 1 1/2 in. sieve: no data
As Used Gradation, Percent Passing 1 in. sieve: 100 %
As Used Gradation, Percent Passing 3/4 in. sieve: 100 %
As Used Gradation, Percent Passing 1/2 in. sieve: 87 %
As Used Gradation, Percent Passing 3/8 in. sieve: 77 %
As Used Gradation, Percent Passing #4 sieve: 52 %
As Used Gradation, Percent Passing #8 sieve: 38 %
As Used Gradation, Percent Passing #16 sieve: 27 %
As Used Gradation, Percent Passing #30 sieve: 18 %
As Used Gradation, Percent Passing #50 sieve: 11 %
As Used Gradation, Percent Passing #100 sieve: 7 %
As Used Gradation, Percent Passing #200 sieve: 4 %
Horizontal pressure (specimen 1): 0.16 MPa
Displacement (specimen 1): 4.75
Horizontal pressure (specimen 2): 0.11 MPa
Displacement (specimen 2): 4.15
Horizontal pressure (specimen 3): 0.1 MPa
Displacement (specimen 3): 4.1
R value (specimen 1): 75.6
R value (specimen 2): 84.4
R value (specimen 3): 85.9
R value: 83
General comments (publicly viewable) (Max 1000 characters): R=83
Test was verified on 10/9/2025 ✔