Summary for Test 2026-09-02-97-11
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1002816 DEA: 022J7604 EFIS: 0221000132 |
|---|---|
| DIST-CO-RTE-PM | 02-TRI-3-5/11 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Hayfork Pavement |
| Location Description | Pavement Preservation (CAPM) in Trinity County at and near Hayfork from 1.3 miles south of Morgan Hill Road to 1.2 miles north of Willow Avenue. |
| QA Service Level | 1 (Verified on 11/02/2026) |
Sample Information
| Sample Taken Date | 09/02/2026 | Sample Unique Key | 97 |
|---|---|---|---|
| Date that the sample was received by the laboratory/organization performing the testing | 09/02/2026 | Sample type | Preliminary |
| A brief description of the sample | 2 bags of Soil | The quantity of what the sample constitutes | Existing Subgrade for Structural Section Recommendation |
| From where was the sample collected | Job Site | First name of sampler or witnessed by | Derek |
| Last name of sampler or witnessed by | Serna | Title of sampler | |
| Telephone number of sampler | Laboratory sample identification | D80386 | |
| Linked DIME Sample ID | The fabricator/manufacturer/facility name | In Situ | |
| Transportation Laboratory (TL) Number | 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 | 02-Tri-3-6.0 Shoulder, 0.0-1.5' depth | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2026-09-02-97
DIME Test ID: 2026-09-02-97-11
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: 2026-11-03
Test Results
How will the R value be determined?: By expansion pressure
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 10/27/2026
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: 100 %
As Received Gradation, Percent Passing 1 in. sieve: 96 %
As Received Gradation, Percent Passing 3/4 in. sieve: 92 %
As Received Gradation, Percent Passing 1/2 in. sieve: 86 %
As Received Gradation, Percent Passing 3/8 in. sieve: 81 %
As Received Gradation, Percent Passing #4 sieve: 68 %
As Received Gradation, Percent Passing #8 sieve: 58 %
As Received Gradation, Percent Passing #16 sieve: 50 %
As Received Gradation, Percent Passing #30 sieve: 44 %
As Received Gradation, Percent Passing #50 sieve: 38 %
As Received Gradation, Percent Passing #100 sieve: 33 %
As Received Gradation, Percent Passing #200 sieve: 29 %
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: 93 %
As Used Gradation, Percent Passing 3/8 in. sieve: 88 %
As Used Gradation, Percent Passing #4 sieve: 73 %
As Used Gradation, Percent Passing #8 sieve: 62 %
As Used Gradation, Percent Passing #16 sieve: 54 %
As Used Gradation, Percent Passing #30 sieve: 48 %
As Used Gradation, Percent Passing #50 sieve: 42 %
As Used Gradation, Percent Passing #100 sieve: 36 %
As Used Gradation, Percent Passing #200 sieve: 31 %
Gravel Equivalent Factor: 1.6 in
Thickness where curve crosses the balance line: 232 in
Traffic Index: 9.4
R value: 59.5
General comments (publicly viewable) (Max 1000 characters): R=60. at equilibrium,
R=62 by exudation,
R=60. by expansion.
Test was verified on 11/3/2026 ✔