Summary for Test 2026-07-13-49-4
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 | 07/13/2026 | Sample Unique Key | 49 |
|---|---|---|---|
| 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 | 07/14/2026 |
| Sample type | Acceptance | A brief description of the sample | 3/4" Class II AB, Blasted Rock |
| The quantity of what the sample constitutes | Class II AB | From where was the sample collected | Job Site |
| First name of sampler or witnessed by | Emilio | Last name of sampler or witnessed by | Chavez |
| Title of sampler | Consultant Tester | Telephone number of sampler | |
| Laboratory sample identification | D80287 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Mercer Fraser | Transportation Laboratory (TL) Number | 036645 |
| 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 | STA. 599+50 EB Hwy 70 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2026-07-13-49
DIME Test ID: 2026-07-13-49-4
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: 2026-07-23
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 07/23/2026
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: 96 %
As Received Gradation, Percent Passing 1/2 in. sieve: 71 %
As Received Gradation, Percent Passing 3/8 in. sieve: 59 %
As Received Gradation, Percent Passing #4 sieve: 39 %
As Received Gradation, Percent Passing #8 sieve: 28 %
As Received Gradation, Percent Passing #16 sieve: 21 %
As Received Gradation, Percent Passing #30 sieve: 17 %
As Received Gradation, Percent Passing #50 sieve: 13 %
As Received Gradation, Percent Passing #100 sieve: 10 %
As Received Gradation, Percent Passing #200 sieve: 8 %
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: 74 %
As Used Gradation, Percent Passing 3/8 in. sieve: 64 %
As Used Gradation, Percent Passing #4 sieve: 40 %
As Used Gradation, Percent Passing #8 sieve: 29 %
As Used Gradation, Percent Passing #16 sieve: 22 %
As Used Gradation, Percent Passing #30 sieve: 17 %
As Used Gradation, Percent Passing #50 sieve: 14 %
As Used Gradation, Percent Passing #100 sieve: 10 %
As Used Gradation, Percent Passing #200 sieve: 8 %
Horizontal pressure (specimen 1): 0.07 MPa
Displacement (specimen 1): 5
Horizontal pressure (specimen 2): 0.08 MPa
Displacement (specimen 2): 5.84
Horizontal pressure (specimen 3): 0.12 MPa
Displacement (specimen 3): 5.9
R value (specimen 1): 88
R value (specimen 2): 84.5
R value (specimen 3): 77.6
R value: 82
General comments (publicly viewable) (Max 1000 characters): R-Val=82
Test was verified on 7/23/2026 ✔