Improved TBM Guidance Systemtacs gmbh, specialist manufacturer of TBM guidance systems, has extended its acs guidance system software to integrate the geological profile and plan view of the project. The geological profile generally supplies details about ground conditions, water table and pressure, and fault zones. Likewise, the plan view outlines buildings, roads, utilities, subway lines, rivers, and underpasses. This type of information is essential to the TBM operator, as he varies the pressure at the face to steer the machine through changing ground, or beneath a structure. tacs are also able to process clients' AutoCAD files to enable the operator and engineers to zoom in on the TBM location.tacs gmbh is exhibiting at Bauma, Hall C3, stand 113, where a special welcome awaits tunnelbuilder readers. More from info@tacsgmbh.de or visit www.tacsgmbh.de. Click here for March newsletter. 14/04.