Methods and devices for positioning a group, array, series or arrangement of plumb poles in a specific relationship relative to each other, whereby a first pole is inserted in a horizontal clamshell attached to a moveable platform, retained and raised to a vertical position and plumbed. The moveable platform is positioned over the pole insertion location and the pole is released. The process is repeated at as many holes as needed. Other embodiments are used to set the poles at specific heights, or angles.