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Daily Field Report
Density Test Report
Concrete Test Report
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Daily Field Report
Density test report
Date
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Project Number
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2021C002(Runway 9L End Around Taxiway)
Name of the Project
*
Project Location
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Client Company
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Weather
Arrival Date
Arrival Time
Departure Date
Departure Time
Onsite Hours
ASEC Technician Name
timothy.nevills@asec-na.com. (Timothy Nevills)
Observations/Finding
Summary
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AS Engineering and Consulting, LLC (ASEC) representative, Tim Nevills, was on site as requested by Client and/or Contractor to perform quality related observations and testing at this site. Visual observation techniques and/or standard test methods were employed to evaluate work in-place for general compliance with the Project Plans, Specifications, Codes and Standards and Material Submittals. This report is prepared to provide our findings at Storm Structure A-7 and provide our recommendations. We understand, <ul> <li>the existing subgrade consists of approximately 18 inches of #57 stone and the proposed bottom elevation of the new structure is approximately 18 inches above existing grade.</li> <li>It appears the subgrade stability in this area was improved before installing the old structure. The #57 stone present under the old structure appeared to be relatively clean and had performed well.</li> <li>Shallow ground water was observed.</li> </ul> Based on these findings, we propose <ul> <li>Remove inundated material from within the footprint of the proposed structure and to an additional 3 feet outside the edge of the structure.</li> <li>Bring up the elevation under the proposed structure using #57 stone and extend the treatment to at least 3 feet outside the edge of the structure. This should help deal with the existing shallow ground water conditions as well.</li> <li>Care should be taken to replace the inundated material with #57 stone without further delay.</li> </ul> Please let us know if you have any questions or concerns with regards to this transmittal.
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A-7 Structure - Existing subsurface conditions.
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