In case the diameter is fewer than 250 mm it could be either micropile or helical pile and vice versa. If size is small and diameter is a lot less than 250m, This is a micropile. Ideal for reinforcing existing constructions, micropiles are efficiently installed indoors, giving the benefit of https://juliusfbunf.bcbloggers.com/29929467/5-tips-about-micropile-driving-contractor-you-can-use-today