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Concrete Test Report

Date :09/09/2025
Project No :2025C222
Client Company :C. W. MATTHEWS CONTRACTING CO., INC.
Arrival Time :
Onsite Hours :
Name of the Project :Rivian Plant, I-20 Ramp
Project Location :Rutledge
Weather :
Departure Time :
ASEC Technician Name :Russell Hendrix

Concrete Placement Information

Location(S): N/A
Testing: 1 Set of concrete specimens (5 per set) were cast during the cast-in-place concrete pour at the above referenced location, in accordance with ASTM C31. The specimen will remain on site for the initial 24-48 hrs curing.
Compliance:

Field placement of concrete appeared to be in accordance with the project specifications (i.e., slump, temperature, etc) (refer to remarks below)

Deviations and/or noncompliances were noted during the field placement (refer to remarks below)
Specimen
Pick Up: 1 Sets of concrete specimens/ 5 specimen per set were picked up & transported to AS Engineering and Consulting LLC (ASEC) for curing and testing in accordance with ASTM C39, C670/1231
Field Curing: Specimen were stored for the initial 24 hours.
Near the poured structure
In an insulated curing box
Other
Remarks: Concrete Core Sample.

Field Test Data

Specimen Type Selection : Cylinder

Set Number :N/A
Date Sampled :09/09/2025
Sampled By :Russell Hendrix
Contractor :N/A
Truck Number :N/A
Time Batched :N/A
Location of Placement :Old Mill 3043 Panel ST505+62
Number of samples cast :5
Ambient Temperature (°f) :N/A
Slump (in.) :N/A
Water added (gal.) :N/A
Laboratory Number :2025-041
Time Sampled :N/A
Weather Condition :N/A
Concrete Supplier :N/A
Mix ID :N/A
Quantity of Load (cu. yd.) :N/A
Sample Cast :1
Specified Strength :N/A
Concrete Temperature(°f) :N/A
Air Content (%) :N/A
Unit Weight (pcf) :N/A

Strength Test Results

Specimen Number Scheduled Test Date Date Tested Age (days) Dia(in.) Area (sq in.) Maximum Loads (lbf) Strength (lbs) % Design Strength Type of Fracture
2 09/15/2025 09/15/2025 6 3.72 10.88 52965 4870 Infinity Type 2
3 09/15/2025 09/15/2025 6 3.72 10.87 55680 5120 Infinity Type 2
1 09/15/2025 09/15/2025 6 3.69 10.69 52229 4890 Infinity Type 2
4 09/15/2025 09/15/2025 6 3.71 10.82 55531 5130 Infinity Type 1
5 09/15/2025 09/15/2025 6 3.72 10.86 65372 6020 Infinity Type 2

UNLESS OTHERWISE SPECIFIED, TESTS WERE PERFORMED IN ACCORDANCE WITH ASTM TEST METHODS C31, C39, C138, C143, C173, AND C1064. FRACTURE TYPE INDICATED BY NUMBER.

(Type 1) Cone (Type 2) Cone-split (Type 3) Vertical (Type 4) Shear (Type 5) Edge Fracture (Type 6) Pointed

Technician Signature / DateRamchandra Mogulla, September 9, 2025
Reviewer Name / DateKenneth Mosman, October 27, 2025