Concreting a Test Pile - Concrete Sample Collection for Testing Pile foundations are typically used when 1. Surface soil is too weak to support the structure. 2. Loads are very high, so need to be transfer to the hard strata. 3. The site has poor drainage or chances of waterlogging is too high 4. There is need to resist uplift or lateral forces as in bridges. Captured in the footage is an active job site in Zimmerman🇰🇪 #PileFoundations #UsidanganyweNaFundi #AskFOS | FOS Engineering Solutions