I-Trenchless empeleni iyindlela yokwakha kubunjiniyela bansuku zonke, njengokwakhiwa kokumba okuvundlile, ukwakhiwa kwe-jacking yamapayipi, ukumba uwoyela, ukuhlola i-geological kanye nokwakhiwa komshini wesihlangu somhubhe.Amaphrojekthi angawenzi umsebenzi wokwakha ngaphansi komhlaba ngokumba umhlabathi abizwa ngokuthi ama-trenchless project.Kumaphrojekthi angenawo amanzi, i-trenchless bentonite idlala indima ebalulekile.