Summary for Test 2026-07-22-87-4
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1002609 DEA: 023H9504 EFIS: 0218000057 |
|---|---|
| DIST-CO-RTE-PM | 02-PLU-89-0/8.71 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Graeagle CAPM - Pavement preservation |
| Location Description | In Plumas County in and near Graeagle from Sierra County Line to Route 70. |
| QA Service Level | 1 (Verified on 09/02/2026) |
Sample Information
| Sample Taken Date | 07/22/2026 | Sample Unique Key | 87 |
|---|---|---|---|
| Date that the sample was received by the laboratory/organization performing the testing | 07/22/2026 | Sample type | Preliminary |
| A brief description of the sample | 2 Bags Sand Silt Rock and Soil | The quantity of what the sample constitutes | 2 Bags |
| From where was the sample collected | Source | First name of sampler or witnessed by | Derek |
| Last name of sampler or witnessed by | Serna | Title of sampler | MREA |
| Telephone number of sampler | Laboratory sample identification | D80305 | |
| Linked DIME Sample ID | The fabricator/manufacturer/facility name | D2 Mat Lab | |
| Transportation Laboratory (TL) Number | 003 | Inspector Lot Number from the Transportation Laboratory (TL) Form | |
| Structure unique identifier | Structure name | ||
| Bid Item | Not set |
Material Information
| Material Type | Soil | The fabricator's/manufacturer's product name for the sample | |
|---|---|---|---|
| The fabricator/manufacturer designation for the sample | A detailed description of where the material sample was collected | Hwy 89, Shoulder Slope near PM 8.0 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2026-07-22-87
DIME Test ID: 2026-07-22-87-4
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: 2026-09-08
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 08/11/2026
As Received Gradation, Percent Passing 3 in. sieve: no data
As Received Gradation, Percent Passing 2 1/2 in. sieve: 100 %
As Received Gradation, Percent Passing 2 in. sieve: 99 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 96 %
As Received Gradation, Percent Passing 1 in. sieve: 92 %
As Received Gradation, Percent Passing 3/4 in. sieve: 87 %
As Received Gradation, Percent Passing 1/2 in. sieve: 78 %
As Received Gradation, Percent Passing 3/8 in. sieve: 73 %
As Received Gradation, Percent Passing #4 sieve: 63 %
As Received Gradation, Percent Passing #8 sieve: 55 %
As Received Gradation, Percent Passing #16 sieve: 49 %
As Received Gradation, Percent Passing #30 sieve: 41 %
As Received Gradation, Percent Passing #50 sieve: 32 %
As Received Gradation, Percent Passing #100 sieve: 22 %
As Received Gradation, Percent Passing #200 sieve: 13.9 %
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: 90 %
As Used Gradation, Percent Passing 3/8 in. sieve: 84 %
As Used Gradation, Percent Passing #4 sieve: 72 %
As Used Gradation, Percent Passing #8 sieve: 63 %
As Used Gradation, Percent Passing #16 sieve: 55 %
As Used Gradation, Percent Passing #30 sieve: 47 %
As Used Gradation, Percent Passing #50 sieve: 37 %
As Used Gradation, Percent Passing #100 sieve: 25 %
As Used Gradation, Percent Passing #200 sieve: 16 %
Horizontal pressure (specimen 1): 0.14 MPa
Displacement (specimen 1): 4.25
Horizontal pressure (specimen 2): 0.19 MPa
Displacement (specimen 2): 4.52
Horizontal pressure (specimen 3): 0.29 MPa
Displacement (specimen 3): 5.22
R value (specimen 1): 80.1
R value (specimen 2): 72.6
R value (specimen 3): 57.2
R value: 71
General comments (publicly viewable) (Max 1000 characters): R=71
Test was verified on 9/8/2026 ✔