Summary for Test 2025-05-29-102-5

Test performed: CTM 521-June 2020

Project Information

Project IdentifiersProject ID: 1000575
DEA: 11430904
EFIS: 1119000199
DIST-CO-RTE-PM11-SD-5,805-Var
Award Date02/12/2025
Closeout DateNot set
Work DescriptionRESURFACE BRIDGE, REPLACE BRIDGE BARRIER, MGS, AND MODIFY ELECT.
Location DescriptionSAN DIEGO COUNTY AT VARIOUS LOCATIONS
QA Service Level1 (Verified on 04/04/2025)

Sample Information

Sample Taken Date05/29/2025 Sample Unique Key102
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 testing05/30/2025
Sample typeQuality Control A brief description of the samplestructural concrete
The quantity of what the sample constitutes6 CY placed From where was the sample collectedJob Site
First name of sampler or witnessed byLouis Last name of sampler or witnessed byRiley
Title of samplerAssistant QC Manager Telephone number of sampler(909) 989-1751
Laboratory sample identification1 Linked DIME Sample ID
The fabricator/manufacturer/facility nameRobertson's Ready Mix (El Cajon) Transportation Laboratory (TL) Number
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure nameBarrier Wall Foundation Bid ItemNot set

Material Information

Material TypeConcrete The concrete mix design numberRRM20038
The truck number from where the sample was collected1933 The batch plant ticket number from where the sample was collected1429642
Concrete batch plantEl Cajon Plant The fabricator/manufacturer designation for the sample
A detailed description of where the material sample was collectedObtained 1cy weights of approved mix design #RRM20038. One 6cy load was batched at 23:26. Where the material sample would have been placed if not sampledBarrier Wall Foundation, STA. 634+00
From Lot No. Bag Lot No.

Test Details

DIME Sample ID: 2025-05-29-102
DIME Test ID: 2025-05-29-102-5
Testing Lab: RMA Group - Rancho Cucamonga
Test Method: CTM 521-June 2020: Method of Test for Compressive Strength of Molded Concrete Cylinders
Test Release Date: 2025-07-10

Test Results


Unit system used?: US Units
Number of specimens: 2
Test performed: With no density determined
Input Type: Calculated
Tester's full name: Jesse Lara
Date of test: 06/05/2025
Capped in accordance with?: ASTM C617 - Sulfur Mortar Cap
Average diameter of cylinder 1: 6.00 in
Average diameter of cylinder 2: 6.00 in
Maximum load on cylinder 1: 92960 lb
Maximum load on cylinder 2: 83290 lb
Type of fracture pattern of cylinder 1: 3
Type of fracture pattern of cylinder 2: 5
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
Age of specimen: 7 days
Age of specimen in hours: 160 hours
Cross sectional area of cylinder 1: 28.27 in^2
Cross sectional area of cylinder 2: 28.27 in^2
Compressive strength (to nearest 10 psi): 3120 psi
General comments (publicly viewable) (Max 1000 characters): 7-day Compressive Strength Cylinder 1: 3290 psi Cylinder 2: 2950 psi Average: 3120 psi

Test was verified on 7/10/2025