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Daily Field Report

Date :10/30/2025
Project No :2025C222
Client Company :C. W. MATTHEWS CONTRACTING CO., INC.
Arrival Time :10/30/2025 08:00
Onsite Hours :9:00
Name of the Project :Rivian Plant, I-20 Ramp
Project Location :Rutledge
Weather :Sunny
Departure Time :10/30/2025 17:00
ASEC Technician Name :Sean Willett

Observations/Finding

As requested, the site was visited by our AS Engineering and Consulting (ASEC) representative for the purpose of providing quality control inspection and testing services. Visual observation techniques were employed to verify compliance with project drawing/specifications, applicable codes, and materials
submittals. The following observations were observed on site this day.

Our ASEC representative was on site for the observation/testing of the placement of concrete. Our representative met with CWM at the batch plant. Due to a computer being stolen, CWM spent most of the day fixing and updating software for the batch plant. Our representative performed multiple tests on the mix to help CWM determine if the batch plant was responding correctly to the software. By the midafternoon, the situation appeared to be resolved, and concrete was transported to the pour location by the rest area. All test results were provided to the contractor, and a set of 4 cylinders were made (as requested by CWM). The cylinders were stored onsite until the following day for transport to the CWM batch plant lab.

We appreciate the opportunity to be of service to you on this project. If you have any questions regarding this report, please feel free to contact us. We will be more than happy to discuss it with you.

Technician Signature / DateSean Willett, October 30, 2025
Reviewer Name / DateKenneth Mosman, November 07, 2025