Model EPU-20G uplift pressure measuring device consists of a perforated/non-perforated pipe of 50 mm dia of adequate strength. The pipe is inserted in a drilled hole in the foundation from the instrumentation gallery to the required depth. To the other end of the pipe in the gallery bourdon pressure gage is connected. Bourdon pressure gage is economical and easy to install. However for taking readings, one has to go into the gallery.