Summary for Test 2025-08-13-78-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1001282 DEA: 022J8604 EFIS: 0221000142 |
|---|---|
| DIST-CO-RTE-PM | 02-SHA-5-61.75/61.75 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Sweetbrier Deck Replacement - Bridge Rehabilitation and Replacement |
| Location Description | In Shasta County near Castella at Sweetbrier Overcrossing Bridge #06-0115 |
| QA Service Level | 1 (Verified on 05/27/2025) |
Sample Information
| Sample Taken Date | 08/13/2025 | Sample Unique Key | 78 |
|---|---|---|---|
| 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 | 08/14/2025 |
| Sample type | Preliminary | A brief description of the sample | Sand, Silt, Rock and Soil |
| The quantity of what the sample constitutes | Not Provided | From where was the sample collected | Source |
| First name of sampler or witnessed by | Brian | Last name of sampler or witnessed by | Steiner |
| Title of sampler | Assistant DME | Telephone number of sampler | |
| Laboratory sample identification | D80002 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Roadside | Transportation Laboratory (TL) Number | 858148 |
| 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 SHA 5 PM 61.75 at the NB Sweetbrier offramp | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2025-08-13-78
DIME Test ID: 2025-08-13-78-2
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: 2025-09-03
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 08/26/2025
As Received Gradation, Percent Passing 3 in. sieve: no data
As Received Gradation, Percent Passing 2 1/2 in. sieve: 100 %
As Received Gradation, Percent Passing 2 in. sieve: 96 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 95 %
As Received Gradation, Percent Passing 1 in. sieve: 90 %
As Received Gradation, Percent Passing 3/4 in. sieve: 84 %
As Received Gradation, Percent Passing 1/2 in. sieve: 77 %
As Received Gradation, Percent Passing 3/8 in. sieve: 72 %
As Received Gradation, Percent Passing #4 sieve: 63 %
As Received Gradation, Percent Passing #8 sieve: 56 %
As Received Gradation, Percent Passing #16 sieve: 48 %
As Received Gradation, Percent Passing #30 sieve: 42 %
As Received Gradation, Percent Passing #50 sieve: 37 %
As Received Gradation, Percent Passing #100 sieve: 31 %
As Received Gradation, Percent Passing #200 sieve: 26 %
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: 92 %
As Used Gradation, Percent Passing 3/8 in. sieve: 86 %
As Used Gradation, Percent Passing #4 sieve: 75 %
As Used Gradation, Percent Passing #8 sieve: 66 %
As Used Gradation, Percent Passing #16 sieve: 57 %
As Used Gradation, Percent Passing #30 sieve: 50 %
As Used Gradation, Percent Passing #50 sieve: 43 %
As Used Gradation, Percent Passing #100 sieve: 37 %
As Used Gradation, Percent Passing #200 sieve: 31 %
Horizontal pressure (specimen 1): 0.19 MPa
Displacement (specimen 1): 4.35
Horizontal pressure (specimen 2): 0.22 MPa
Displacement (specimen 2): 4.51
Horizontal pressure (specimen 3): 0.3 MPa
Displacement (specimen 3): 4.62
R value (specimen 1): 73.4
R value (specimen 2): 68.9
R value (specimen 3): 59.1
R value: 69
General comments (publicly viewable) (Max 1000 characters): R=69
Test was verified on 9/3/2025 ✔