Summary for Test 2025-05-28-67-3

Test performed: ASTM C39-17a

Project Information

Project IdentifiersProject ID: 993454
DEA: 040K8004
EFIS: 0416000141
COOP: 042892
DIST-CO-RTE-PM04-MRN-101-13.7
Award Date02/05/2025
Closeout DateNot set
Work DescriptionCONSTRUCT ROUNDABOUT, CURB RAMPS AND SW, SIGNAL AND LIGHTING SYSTEMS.
Location DescriptionMARIN COUNTY IN SAN RAFAEL AT FREITAS PARKWAY OVERCROSSING
QA Service Level1 (Verified on 12/10/2021)

Sample Information

Sample Taken Date05/28/2025 Sample Unique Key67
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 testing05/28/2025
Sample typeQuality Assurance A brief description of the sample3 4x8 concrete cylinders
The quantity of what the sample constitutes28.8 From where was the sample collectedJob Site
First name of sampler or witnessed byMohammed Salman Last name of sampler or witnessed byAlam
Title of sampler Telephone number of sampler5104354230
Laboratory sample identification Linked DIME Sample ID
The fabricator/manufacturer/facility nameEcoterra Ready Mix Transportation Laboratory (TL) Number
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure nameRW-2 Footing at Freitas PKWY, San Rafael Bid ItemNot set

Material Information

Material TypeConcrete The concrete mix design number6SK4K1X425F
The truck number from where the sample was collected1 The batch plant ticket number from where the sample was collected487
Concrete batch plantOn site The fabricator/manufacturer designation for the sampleEcoterra redy mix
A detailed description of where the material sample was collectedBack of the truck from the chute Where the material sample would have been placed if not sampled
From Lot No. Bag Lot No.

Test Details

DIME Sample ID: 2025-05-28-67
DIME Test ID: 2025-05-28-67-3
Testing Lab: Kleinfelder - Hayward
Test Method: ASTM C39-17a: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Test Release Date: 2025-06-30

Test Results


Unit system used?: US Units
Number of specimens: 3
Test performed: With no density determined
Input Type: Measured
Tester's full name: FM
Date of test: 06/26/2025
Capped in accordance with?: ASTM C1231 - Unbonded Elastomeric Pad Cap
Average diameter of cylinder 1: 4.00 in
Average diameter of cylinder 2: 4.00 in
Average diameter of cylinder 3: 4.00 in
Maximum load on cylinder 1: 113490 lb
Maximum load on cylinder 2: 112032 lb
Maximum load on cylinder 3: 112179 lb
Type of fracture pattern of cylinder 1: 3
Type of fracture pattern of cylinder 2: 3
Type of fracture pattern of cylinder 3: 3
Comment on any defect in either specimen or caps (Max 250 Characters): no data
Correction factor for cylinder 1: 1.00
Correction factor for cylinder 2: 1.00
Correction factor for cylinder 3: 1.00
Age of specimen: 29 days
Age of specimen in hours: no data
Cross sectional area of cylinder 1: 12.57 in^2
Cross sectional area of cylinder 2: 12.57 in^2
Cross sectional area of cylinder 3: 12.57 in^2
Compressive strength of cylinder 1: 9028.6 psi
Compressive strength of cylinder 2: 8912.6 psi
Compressive strength of cylinder 3: 8924.3 psi
Compressive strength (to nearest 10 psi): 8960 psi
General comments (publicly viewable) (Max 1000 characters): The Concrete was ready Mix on site and after slump test more water was added to achieve workability. These samples were taken with slump 2''.

Test was verified on 6/30/2025