Summary for Test 2025-10-22-64-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1001798 DEA: 024J7304 EFIS: 0223000066 |
|---|---|
| DIST-CO-RTE-PM | 02-SIS-89-24.4/25.1 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | McCloud Intersection Safety - Intersection improvements |
| Location Description | In Siskiyou County at and near McCloud from East Minnesota Avenue to Modoc Avenue |
| QA Service Level | 1 (Verified on 10/30/2025) |
Sample Information
| Sample Taken Date | 10/22/2025 | Sample Unique Key | 64 |
|---|---|---|---|
| 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 | 10/23/2025 |
| Sample type | Preliminary | A brief description of the sample | 2 Bags 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 | D80104 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | District 2 Lab | Transportation Laboratory (TL) Number | 845676 |
| 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 | Shoulder at PM 25.0, SIS 89 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2025-10-22-64
DIME Test ID: 2025-10-22-64-2
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: 2025-12-01
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 11/20/2025
As Received Gradation, Percent Passing 3 in. sieve: 100 %
As Received Gradation, Percent Passing 2 1/2 in. sieve: 100 %
As Received Gradation, Percent Passing 2 in. sieve: 100 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 100 %
As Received Gradation, Percent Passing 1 in. sieve: 100 %
As Received Gradation, Percent Passing 3/4 in. sieve: 100 %
As Received Gradation, Percent Passing 1/2 in. sieve: 99 %
As Received Gradation, Percent Passing 3/8 in. sieve: 98 %
As Received Gradation, Percent Passing #4 sieve: 89 %
As Received Gradation, Percent Passing #8 sieve: 73 %
As Received Gradation, Percent Passing #16 sieve: 60 %
As Received Gradation, Percent Passing #30 sieve: 50 %
As Received Gradation, Percent Passing #50 sieve: 39 %
As Received Gradation, Percent Passing #100 sieve: 16 %
As Received Gradation, Percent Passing #200 sieve: 16 %
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: 99 %
As Used Gradation, Percent Passing 3/8 in. sieve: 98 %
As Used Gradation, Percent Passing #4 sieve: 88 %
As Used Gradation, Percent Passing #8 sieve: 72 %
As Used Gradation, Percent Passing #16 sieve: 60 %
As Used Gradation, Percent Passing #30 sieve: 50 %
As Used Gradation, Percent Passing #50 sieve: 38 %
As Used Gradation, Percent Passing #100 sieve: 16 %
As Used Gradation, Percent Passing #200 sieve: 16 %
Horizontal pressure (specimen 1): 0.11 MPa
Displacement (specimen 1): 4.3
Horizontal pressure (specimen 2): 0.12 MPa
Displacement (specimen 2): 4.39
Horizontal pressure (specimen 3): 0.18 MPa
Displacement (specimen 3): 4.51
R value (specimen 1): 84
R value (specimen 2): 82.3
R value (specimen 3): 73.9
R value: 76
General comments (publicly viewable) (Max 1000 characters): R=76
Test was verified on 12/1/2025 ✔