Summary for Test 2025-05-29-102-6
Test performed: CTM 521-June 2020Project Information
| Project Identifiers | Project ID: 1000575 DEA: 11430904 EFIS: 1119000199 |
|---|---|
| DIST-CO-RTE-PM | 11-SD-5,805-Var |
| Award Date | 02/12/2025 |
| Closeout Date | Not set |
| Work Description | RESURFACE BRIDGE, REPLACE BRIDGE BARRIER, MGS, AND MODIFY ELECT. |
| Location Description | SAN DIEGO COUNTY AT VARIOUS LOCATIONS |
| QA Service Level | 1 (Verified on 04/04/2025) |
Sample Information
| Sample Taken Date | 05/29/2025 | Sample Unique Key | 102 |
|---|---|---|---|
| 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 | 05/30/2025 |
| Sample type | Quality Control | A brief description of the sample | structural concrete |
| The quantity of what the sample constitutes | 6 CY placed | From where was the sample collected | Job Site |
| First name of sampler or witnessed by | Louis | Last name of sampler or witnessed by | Riley |
| Title of sampler | Assistant QC Manager | Telephone number of sampler | (909) 989-1751 |
| Laboratory sample identification | 1 | Linked DIME Sample ID | |
| The fabricator/manufacturer/facility name | Robertson's Ready Mix (El Cajon) | Transportation Laboratory (TL) Number | |
| Inspector Lot Number from the Transportation Laboratory (TL) Form | Structure unique identifier | ||
| Structure name | Barrier Wall Foundation | Bid Item | Not set |
Material Information
| Material Type | Concrete | The concrete mix design number | RRM20038 |
|---|---|---|---|
| The truck number from where the sample was collected | 1933 | The batch plant ticket number from where the sample was collected | 1429642 |
| Concrete batch plant | El Cajon Plant | The fabricator/manufacturer designation for the sample | |
| A detailed description of where the material sample was collected | Obtained 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 sampled | Barrier Wall Foundation, STA. 634+00 |
| From Lot No. | Bag Lot No. |
Test Details
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DIME Sample ID: 2025-05-29-102
DIME Test ID: 2025-05-29-102-6
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: 06/26/2025
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: 111340 lb
Maximum load on cylinder 2: 115210 lb
Type of fracture pattern of cylinder 1: 5
Type of fracture pattern of cylinder 2: 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
Age of specimen: 28 days
Age of specimen in hours: 672 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): 4010 psi
General comments (publicly viewable) (Max 1000 characters): 28-day Compressive Strength
Cylinder 1: 3940 psi
Cylinder 2: 4070 psi
Average: 4010 psi
Test was verified on 7/10/2025 ✔