Thanks for the reply,
The problem is that I do not know (and I do not think there is ) any such company here, piling is itself quiet new where I live. I came across this page (http://www.plantservices.com/articles/2002/12/) where an empirical equation is given , but it gives me much lower...
Dears, Hello
I have piles in a project that I want to clean at the bottom (16 m or 53 ft deep) the water may be as low as a couple feet at the bottom or more. There is a technique called "AIR LIFT" that I came across in many piling resources, which I want to utilize.what I need is what will be...