Summary for Test 2026-05-20-83-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 993331 DEA: 023H6904 EFIS: 0218000010 |
|---|---|
| DIST-CO-RTE-PM | 02-PLU-89-30/R42.1 |
| Award Date | 11/21/2024 |
| Closeout Date | Not set |
| Work Description | ALMANOR WEST REHAB - ROADWAY REHABILITATION |
| Location Description | IN PLUMAS COUNTY NEAR CANYON DAM FROM LAKE ALMANOR SPILLWAY TO ROUTE 36. |
| QA Service Level | 1 (Verified on 10/14/2021) |
Sample Information
| Sample Taken Date | 05/20/2026 | Sample Unique Key | 83 |
|---|---|---|---|
| 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 | 05/20/2026 |
| Sample type | Acceptance | A brief description of the sample | 1 Bag of Subgrade |
| The quantity of what the sample constitutes | Subgrade | From where was the sample collected | Source |
| First name of sampler or witnessed by | Brandon | Last name of sampler or witnessed by | White |
| Title of sampler | TET | Telephone number of sampler | |
| Laboratory sample identification | D80203 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Dig it Construction | Transportation Laboratory (TL) Number | 896857 |
| Inspector Lot Number from the Transportation Laboratory (TL) Form | Structure unique identifier | ||
| Structure name | Bid Item | Not set |
Material Information
| Material Type | Aggregate | Source Identification (SMARA, name of Pit or Job Site) | Jobsite |
|---|---|---|---|
| The fabricator's/manufacturer's product name for the sample | The fabricator/manufacturer designation for the sample | ||
| The plant number | A detailed description of where the material sample was collected | PLU-89, st.231+00 | |
| Where the material sample would have been placed if not sampled | Primary Aggregate Nominal Size | 3/8 inch | |
| The concrete mix design number | Lot number | ||
| Sublot number | Aggregate Mix Number |
Test Details
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DIME Sample ID: 2026-05-20-83
DIME Test ID: 2026-05-20-83-2
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: 2026-06-02
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 05/28/2026
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: 99 %
As Received Gradation, Percent Passing 1 1/2 in. sieve: 97 %
As Received Gradation, Percent Passing 1 in. sieve: 96 %
As Received Gradation, Percent Passing 3/4 in. sieve: 95 %
As Received Gradation, Percent Passing 1/2 in. sieve: 92 %
As Received Gradation, Percent Passing 3/8 in. sieve: 91 %
As Received Gradation, Percent Passing #4 sieve: 87 %
As Received Gradation, Percent Passing #8 sieve: 82 %
As Received Gradation, Percent Passing #16 sieve: 75 %
As Received Gradation, Percent Passing #30 sieve: 68 %
As Received Gradation, Percent Passing #50 sieve: 60 %
As Received Gradation, Percent Passing #100 sieve: 52 %
As Received Gradation, Percent Passing #200 sieve: 45.1 %
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: 91 %
As Used Gradation, Percent Passing #8 sieve: 86 %
As Used Gradation, Percent Passing #16 sieve: 78 %
As Used Gradation, Percent Passing #30 sieve: 71 %
As Used Gradation, Percent Passing #50 sieve: 63 %
As Used Gradation, Percent Passing #100 sieve: 55 %
As Used Gradation, Percent Passing #200 sieve: 47 %
Horizontal pressure (specimen 1): 0.58 MPa
Displacement (specimen 1): 3.59
Horizontal pressure (specimen 2): 0.81 MPa
Displacement (specimen 2): 4.09
Horizontal pressure (specimen 3): 0.83 MPa
Displacement (specimen 3): 4.39
R value (specimen 1): 38.4
R value (specimen 2): 18
R value (specimen 3): 15.6
R value: 20
General comments (publicly viewable) (Max 1000 characters): R-Val=20
Test was verified on 6/2/2026 ✔