Summary for Test 2026-01-22-81-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1001957 DEA: 021K7204 EFIS: 0224000158 |
|---|---|
| DIST-CO-RTE-PM | 02-SHA-273-5.2/14.5 |
| Award Date | 11/21/2028 |
| Closeout Date | Not set |
| Work Description | Brighter 273 Safety - Install lighting |
| Location Description | In Shasta County from 0.1 mile North of Anderson Creek bridge in Anderson to 0.1 North of Buenaventura Boulevard in Redding 6/17/24 JC |
| QA Service Level | 1 (Verified on 02/17/2026) |
Sample Information
| Sample Taken Date | 01/22/2026 | Sample Unique Key | 81 |
|---|---|---|---|
| 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 | 01/27/2026 |
| Sample type | Preliminary | A brief description of the sample | 2 Bags of 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 | D80138 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | District 2 Lab | 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 | Shoulder Slope near PM 7.0 | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2026-01-22-81
DIME Test ID: 2026-01-22-81-2
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: 2026-03-10
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 02/26/2026
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: 100 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 97 %
As Received Gradation, Percent Passing 1 in. sieve: 94 %
As Received Gradation, Percent Passing 3/4 in. sieve: 92 %
As Received Gradation, Percent Passing 1/2 in. sieve: 80 %
As Received Gradation, Percent Passing 3/8 in. sieve: 71 %
As Received Gradation, Percent Passing #4 sieve: 55 %
As Received Gradation, Percent Passing #8 sieve: 45 %
As Received Gradation, Percent Passing #16 sieve: 37 %
As Received Gradation, Percent Passing #30 sieve: 29 %
As Received Gradation, Percent Passing #50 sieve: 22 %
As Received Gradation, Percent Passing #100 sieve: 16 %
As Received Gradation, Percent Passing #200 sieve: 12 %
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: 87 %
As Used Gradation, Percent Passing 3/8 in. sieve: 78 %
As Used Gradation, Percent Passing #4 sieve: 59 %
As Used Gradation, Percent Passing #8 sieve: 49 %
As Used Gradation, Percent Passing #16 sieve: 40 %
As Used Gradation, Percent Passing #30 sieve: 32 %
As Used Gradation, Percent Passing #50 sieve: 24 %
As Used Gradation, Percent Passing #100 sieve: 17 %
As Used Gradation, Percent Passing #200 sieve: 13 %
Horizontal pressure (specimen 1): 0.14 MPa
Displacement (specimen 1): 4.52
Horizontal pressure (specimen 2): 0.15 MPa
Displacement (specimen 2): 4.76
Horizontal pressure (specimen 3): 0.18 MPa
Displacement (specimen 3): 4.81
R value (specimen 1): 79.1
R value (specimen 2): 76.9
R value (specimen 3): 72.7
R value: 77
General comments (publicly viewable) (Max 1000 characters): R=77
Test was verified on 3/10/2026 ✔