The textbook entitled Foundation Analysis and Design states that there is no binding rules for the number or depth of soil borings.
However, PIP VECTA001 recommends for large tanks a minimum of 3 borings. The PIP STE03020 defines a large tank as 50 ft. diameter or greater.
Please advise...
The construction site has poor temporary drainage which resulted in several instances of pooling or ponding of water on the site.
Initial soil investigations only reported hard clays whilst a second soil investigation reported soft clays.
Therefore, I was wondering whether the pooling or...
The API 650 states in Appendix B that "when the ringwall width exceeds 460 mm (18 in), using a footing beneath the wall should be considered".
What is the technical basis for this recommendation?
