Summary for Test 2026-09-02-97-13
Test performed: ASTM D2487-17Project Information
| Project Identifiers | Project ID: 1002816 DEA: 022J7604 EFIS: 0221000132 |
|---|---|
| DIST-CO-RTE-PM | 02-TRI-3-5/11 |
| Award Date | Not set |
| Closeout Date | Not set |
| Work Description | Hayfork Pavement |
| Location Description | Pavement Preservation (CAPM) in Trinity County at and near Hayfork from 1.3 miles south of Morgan Hill Road to 1.2 miles north of Willow Avenue. |
| QA Service Level | 1 (Verified on 11/02/2026) |
Sample Information
| Sample Taken Date | 09/02/2026 | Sample Unique Key | 97 |
|---|---|---|---|
| Date that the sample was received by the laboratory/organization performing the testing | 09/02/2026 | Sample type | Preliminary |
| A brief description of the sample | 2 bags of Soil | The quantity of what the sample constitutes | Existing Subgrade for Structural Section Recommendation |
| From where was the sample collected | Job Site | First name of sampler or witnessed by | Derek |
| Last name of sampler or witnessed by | Serna | Title of sampler | |
| Telephone number of sampler | Laboratory sample identification | D80386 | |
| Linked DIME Sample ID | The fabricator/manufacturer/facility name | In Situ | |
| 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 | 02-Tri-3-6.0 Shoulder, 0.0-1.5' depth | |
| Where the material sample would have been placed if not sampled |
Test Details
DIME Sample ID: 2026-09-02-97
DIME Test ID: 2026-09-02-97-13
Testing Lab: CT D02 - Redding Northern Regional Laboratory
Test Method: ASTM D2487-17: Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)
Test Release Date: 2026-11-03
Test Results
Units for Particle Size: inches
Input Type: Measured
Tester's full name: Ward Jenkins
Date of test: 11/02/2026
Percentage of plus 3-in. (75-mm) material: 0 %
Maximum particle size: 1.5 inches
Fines classification: Silty
Percent fines: 29 %
Percent sand: 39 %
Percent gravel: 32 %
Liquid limit: 38
Plasticity Index: 11
Is soil fine-grained or coarse-grained?: coarse-grained
Fine-grained soil classification: no data
Inorganic clay classification: no data
Inorganic silt classification: no data
Organic fine-grained soil classification: no data
Any descriptors added to fine-grained soil classification?: no data
Coarse-grained soil classification: sand
Particle-size diameter at 10% passing (D10): no data
Particle-size diameter at 30% passing (D30): 0.082 millimeters
Particle-size diameter at 60% passing (D60): 2.84 millimeters
Gravel classification: no data
Sand classification: silty sand - SM; silty
Any descriptors added to coarse-grained soil classification?: "with gravel"
Did field sample contain cobbles or boulders?: no data
Coarse-grained soil dual classification: no data
Descriptive information: no data
Coefficient of uniformity (Cu): no data
Coefficient of curvature (Cc): no data
General comments (publicly viewable) (Max 1000 characters): (SM)g, Silty Sand with Gravel
Test was verified on 11/3/2026 ✔
