Helical Pier and pile units are a group of metal, concrete, or wood columns mounted into the ground to assist the weight of a composition and make sure its foundational guidance and its vertical and horizontal steadiness. There is fairly minor distinction between deep foundation pier and pile techniques, other https://docs.google.com/presentation/d/e/2PACX-1vRj8CFavC1m3vHrtNagKkK97kkv5pL3M6tFAAu9f9AbnCvROfUuLXzsF6fZf3uwM9p7eQ9PH7SY888i/pub?start=false&loop=false&delayms=3000