Iyo pre-bored precast kongiri yekuvaka murwi nzira yekuvaka ndeye kushandisa pre-kubhowa pre-cast cast piling michina yekuchera, yakadzika inosimudzira uye kuwedzera pasi, uye pakupedzisira kudyara pre-cast murwi muviri. Iyo nzira yenheyo yemurwi ine misanganiswa yakasiyana yemhando dzakasiyana dze prestressed high simba kongiri knot diversion pile (PHDC), prestressed high-intensity kongiri murwi (PHC), prestressed yakasimbiswa yakakwirira simba kongiri murwi (PRHC) pasi pekutevedzana sepilling, Root- kuwedzera, Kupinza, kudyara.