DIME - Test Summary

Summary for Test 2026-01-20-45-5

Test performed: ASTM D2487-17

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 Taken Date	01/20/2026	Sample Unique Key	45
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	01/21/2026
Sample type	Preliminary	A brief description of the sample	2 Bags 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	D80133	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 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 12.0
Where the material sample would have been placed if not sampled

DIME Sample ID: 2026-01-20-45

DIME Test ID: 2026-01-20-45-5

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: 2026-02-18

Units for Particle Size: millimeters

Input Type: Measured

Tester's full name: Colt Sweeny

Date of test: 02/18/2026

Percentage of plus 3-in. (75-mm) material: 0 %

Maximum particle size: 25 millimeters

Fines classification: Silty

Percent fines: 37 %

Percent sand: 49 %

Percent gravel: 14 %

Liquid limit: 0

Plasticity Index: 0

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: no data

Particle-size diameter at 10% passing (D10): 0.0186 millimeters

Particle-size diameter at 30% passing (D30): 0.058 millimeters

Particle-size diameter at 60% passing (D60): 0.4 millimeters

Gravel classification: no data

Sand classification: silty sand - SM; silty

Any descriptors added to coarse-grained soil classification?: no data

Did field sample contain cobbles or boulders?: no data

Coarse-grained soil dual classification: A silty sand, (SM)

Descriptive information: no data

Coefficient of uniformity (Cu): 21.505

Coefficient of curvature (Cc): 0.452

General comments (publicly viewable) (Max 1000 characters): A silty sand, (SM)

Test was verified on 2/18/2026 ✔