I am reviewing plans for a project. On the survey plans, there are given Paper Stations and Traverse Stations. What is the difference between the two types of survey stations?
Chellis is recommended plates be welded 8-10' from pile tip to increase bearing in sands. Why not just weld a plate across the tip? Are the upper plates desired over the tip plate so the pile will drive straight? I have a problem in which design engineer estimated pile length at about 40' in...