What is the full form of ots in civil?

There is no widely recognized abbreviation "OTS" in civil engineering. If you have come across this abbreviation in a specific context, please provide more information, such as:

* The source where you encountered it: Was it in a book, article, website, or conversation?

* The context: What was the discussion about? What were the surrounding terms or concepts?

With more context, it might be possible to determine the full form of "OTS" in your specific case.