Summary for Test 2026-07-07-92-2
Test performed: CTM 301-March 2000Project Information
| Project Identifiers | Project ID: 1000697 DEA: 021J75U4 EFIS: 0224000092 |
|---|---|
| DIST-CO-RTE-PM | 02-LAS-36-14.4/R16.8 |
| Award Date | 01/23/2025 |
| Closeout Date | Not set |
| Work Description | PLACE HMA AND CLASS 2 AB, EXCAVATE ROADWAY, & INSTALL LIGHTING SYSTEM. |
| Location Description | LASSEN COUNTY ABOUT 9 MILES WEST OF SUSANVILLE FROM 1.3 MILES WEST TO 1.2 MILES EAST OF WILLARD CREEK ROAD |
| QA Service Level | 1 (Verified on 10/24/2024) |
Sample Information
| Sample Taken Date | 07/07/2026 | Sample Unique Key | 92 |
|---|---|---|---|
| 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 | 07/08/2026 |
| Sample type | Acceptance | A brief description of the sample | 1 Bag Subgrade |
| The quantity of what the sample constitutes | Existing Subgrade | From where was the sample collected | Job Site |
| First name of sampler or witnessed by | Dave | Last name of sampler or witnessed by | Lockett |
| Title of sampler | Consultant | Telephone number of sampler | |
| Laboratory sample identification | D80263 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Hat Creek Construction | Transportation Laboratory (TL) Number | 895427 |
| 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 | Sta.857+98 10' L of CL | |
| Where the material sample would have been placed if not sampled |
Test Details
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DIME Sample ID: 2026-07-07-92
DIME Test ID: 2026-07-07-92-2
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: 2026-07-16
Test Results
How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 07/16/2026
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: no data
As Received Gradation, Percent Passing 1 1/2 in. sieve: no data
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: 99 %
As Received Gradation, Percent Passing #4 sieve: 99 %
As Received Gradation, Percent Passing #8 sieve: 98 %
As Received Gradation, Percent Passing #16 sieve: 98 %
As Received Gradation, Percent Passing #30 sieve: 97 %
As Received Gradation, Percent Passing #50 sieve: 95 %
As Received Gradation, Percent Passing #100 sieve: 83 %
As Received Gradation, Percent Passing #200 sieve: 64 %
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: 100 %
As Used Gradation, Percent Passing 3/8 in. sieve: 100 %
As Used Gradation, Percent Passing #4 sieve: 99 %
As Used Gradation, Percent Passing #8 sieve: 99 %
As Used Gradation, Percent Passing #16 sieve: 98 %
As Used Gradation, Percent Passing #30 sieve: 97 %
As Used Gradation, Percent Passing #50 sieve: 96 %
As Used Gradation, Percent Passing #100 sieve: 83 %
As Used Gradation, Percent Passing #200 sieve: 65 %
Horizontal pressure (specimen 1): 0.88 MPa
Displacement (specimen 1): 3.23
Horizontal pressure (specimen 2): 0.9 MPa
Displacement (specimen 2): 4.06
Horizontal pressure (specimen 3): 0.9 MPa
Displacement (specimen 3): 4.54
R value (specimen 1): 16.2
R value (specimen 2): 12
R value (specimen 3): 10.9
R value: 7
General comments (publicly viewable) (Max 1000 characters): R-Val is approx. Press had to be stopped prematurely.
Test was verified on 7/16/2026 ✔