Summary for Test 2025-10-08-68-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1001797 DEA: 021K4704 EFIS: 0224000113 |
|---|---|
| DIST-CO-RTE-PM | 02-TEH-99-13.4/13.9 |
| Award Date | 04/10/2029 |
| Closeout Date | Not set |
| Work Description | Butler Taft Safety - Extend existing TWLTL |
| Location Description | In Tehama County near Los Molinos form 0.1 Mile South of Butler Street to 0.3 Mile North of Taft Street |
| QA Service Level | 1 (Verified on 10/28/2025) |
Sample Information
| Sample Taken Date | 10/08/2025 | Sample Unique Key | 68 |
|---|---|---|---|
| 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 | 10/09/2025 |
| Sample type | Preliminary | A brief description of the sample | 2 Bags of Sand Silt Rock and Soil |
| The quantity of what the sample constitutes | Structural Section Recommendation | 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 | D80080 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | District 2 Lab | Transportation Laboratory (TL) Number | 897621 |
| 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-TEH-99 PM 13.8 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2025-10-08-68
DIME Test ID: 2025-10-08-68-2
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: 2025-10-29
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 10/15/2025
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: 100 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 99 %
As Received Gradation, Percent Passing 1 in. sieve: 96 %
As Received Gradation, Percent Passing 3/4 in. sieve: 94 %
As Received Gradation, Percent Passing 1/2 in. sieve: 91 %
As Received Gradation, Percent Passing 3/8 in. sieve: 90 %
As Received Gradation, Percent Passing #4 sieve: 97 %
As Received Gradation, Percent Passing #8 sieve: 86 %
As Received Gradation, Percent Passing #16 sieve: 84 %
As Received Gradation, Percent Passing #30 sieve: 82 %
As Received Gradation, Percent Passing #50 sieve: 78 %
As Received Gradation, Percent Passing #100 sieve: 71 %
As Received Gradation, Percent Passing #200 sieve: 63 %
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: 97 %
As Used Gradation, Percent Passing 3/8 in. sieve: 96 %
As Used Gradation, Percent Passing #4 sieve: 92 %
As Used Gradation, Percent Passing #8 sieve: 91 %
As Used Gradation, Percent Passing #16 sieve: 89 %
As Used Gradation, Percent Passing #30 sieve: 86 %
As Used Gradation, Percent Passing #50 sieve: 82 %
As Used Gradation, Percent Passing #100 sieve: 75 %
As Used Gradation, Percent Passing #200 sieve: 67 %
Horizontal pressure (specimen 1): 0.73 MPa
Displacement (specimen 1): 3
Horizontal pressure (specimen 2): 0.84 MPa
Displacement (specimen 2): 3.55
Horizontal pressure (specimen 3): 0.92 MPa
Displacement (specimen 3): 3.85
R value (specimen 1): 29.7
R value (specimen 2): 17.9
R value (specimen 3): 11.3
R value: 12
General comments (publicly viewable) (Max 1000 characters): R=12
Test was verified on 10/29/2025 ✔