Summary for Test 2025-06-25-59-1

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 Date06/25/2025 Sample Unique Key59
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 testing06/25/2025
Sample typeQuality Assurance A brief description of the sample3/8 concrete cylinders
The quantity of what the sample constitutes58.75 From where was the sample collectedJob Site
First name of sampler or witnessed byDhiren Last name of sampler or witnessed byRajmohan
Title of samplerTE Civil Telephone number of sampler9164252768
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-1 Stem wall 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 collected4 The batch plant ticket number from where the sample was collected498
Concrete batch planton site The fabricator/manufacturer designation for the sampleEcoterra ready mix
A detailed description of where the material sample was collectedfrom back of the truck chute Where the material sample would have been placed if not sampled
From Lot No. Bag Lot No.

Test Details

DIME Sample ID: 2025-06-25-59
DIME Test ID: 2025-06-25-59-1
Testing Lab: Quality Assurance Engineering, Inc dba Consolidated Engineering Laboratories
Test Method: ASTM C39-17a: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
Test Release Date: 2025-07-24

Test Results


Unit system used?: US Units
Number of specimens: 3
Test performed: With no density determined
Input Type: Measured
Tester's full name: MGomez
Date of test: 07/23/2025
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: 98490 lb
Maximum load on cylinder 2: 91960 lb
Maximum load on cylinder 3: 91920 lb
Type of fracture pattern of cylinder 1: 3
Type of fracture pattern of cylinder 2: 2
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: 28 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: 7835.3 psi
Compressive strength of cylinder 2: 7315.8 psi
Compressive strength of cylinder 3: 7312.6 psi
Compressive strength (to nearest 10 psi): 7490 psi
General comments (publicly viewable) (Max 1000 characters):

Test was verified on 7/24/2025