The procedure is based on the case method of pile testing and is standardized by ASTM D4945‐08 Standard Test Method for High Strain Dynamic Testing of Piles. At least two static load tests were performed per contract, and the results of 15 tests are presented herein. Information obtained from the testing and/or PDA will be used to verify design assumptions or modify foundation recommendations. Personnel from Geotechnical Services, Foundation Testing Branch. A septic distribution box, often called a D-box, is a small, buried container that acts as a junction point between the septic tank and the soil absorption area. This component receives partially treated liquid waste, known as effluent, from the septic tank's outlet pipe.
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