Pipetron Tunnel Construction Issues

This report examines issues involved in the civil construction aspects of the tunneling that could be done in the region of Fermilab to support the Pipetron a long, moderately deep, tunnel loop. Cost, technical and political aspects of tunneling are Five tunnel excavation methods may be of interest. In the addressed in this preliminary guide for further study. text that follows, each is described with respect to the issues At Snowmass 96, in a series of informal, but comprehensive listed in section II. discussions, several guidelines were developed to frame this report.