Summary for Test 2025-05-15-68-1

Test performed: CTM 301-March 2000

Project Information

Project IdentifiersProject ID: 994539
DEA: 021H58U4
EFIS: 0223000059
DIST-CO-RTE-PM02-PLU-70-58.2/R78.4
Award Date06/27/2023
Closeout DateNot set
Work DescriptionRECONSTRUCT ROADWAY, HMA PAVING, DRAINAGE AND ELECTRICAL WORK.
Location DescriptionPLUMAS COUNTY AT AND NEAR CROMBERG FROM GILL RANCH ROAD TO 0.2 MILE WEST OF BIG GRIZZLY CREEK BRIDGE
QA Service Level1 (Verified on 05/08/2023)

Sample Information

Sample Taken Date05/15/2025 Sample Unique Key68
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 testing05/27/2025
Sample typeAcceptance A brief description of the sample2 bags of Native Borrow
The quantity of what the sample constitutesNative Borrow, Field No. II From where was the sample collectedSource
First name of sampler or witnessed byJeff Last name of sampler or witnessed byMcKeehan
Title of samplerMT Telephone number of sampler
Laboratory sample identificationD79894 Linked DIME Sample ID
The fabricator/manufacturer/facility nameMercer Fraser Transportation Laboratory (TL) Number802372
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure name Bid ItemNot set

Material Information

Material TypeSoil 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 collectedWB Shoulder @ 02-PLU-70, STA: 1113+00, 20' LT EP , 20 above FG
Where the material sample would have been placed if not sampled

Test Details

DIME Sample ID: 2025-05-15-68
DIME Test ID: 2025-05-15-68-1
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: 2025-06-16

Test Results


How will the R value be determined?: By stabilometer
Input Type: Measured
Tester's full name: Josh Murphy
Date of test: 06/05/2025
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: 100 %
As Received Gradation, Percent Passing 3/8 in. sieve: 100 %
As Received Gradation, Percent Passing #4 sieve: 99 %
As Received Gradation, Percent Passing #8 sieve: 98 %
As Received Gradation, Percent Passing #16 sieve: 96 %
As Received Gradation, Percent Passing #30 sieve: 90 %
As Received Gradation, Percent Passing #50 sieve: 80 %
As Received Gradation, Percent Passing #100 sieve: 64 %
As Received Gradation, Percent Passing #200 sieve: 49 %
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: 98 %
As Used Gradation, Percent Passing #16 sieve: 96 %
As Used Gradation, Percent Passing #30 sieve: 90 %
As Used Gradation, Percent Passing #50 sieve: 80 %
As Used Gradation, Percent Passing #100 sieve: 64 %
As Used Gradation, Percent Passing #200 sieve: 49 %
Horizontal pressure (specimen 1): 0.63 MPa
Displacement (specimen 1): 3.46
Horizontal pressure (specimen 2): 0.8 MPa
Displacement (specimen 2): 3.54
Horizontal pressure (specimen 3): 0.92 MPa
Displacement (specimen 3): 3.58
R value (specimen 1): 35
R value (specimen 2): 20.9
R value (specimen 3): 12
R value: 17
General comments (publicly viewable) (Max 1000 characters):

Test was verified on 6/16/2025