Umshini wokwenza amapuleti kathayela we-culvert ukhiqiza ikakhulukazi ibhodi likathayela we-culvert.Wonke umugqa wokukhiqiza wakhiwe uhlelo lokukhulula / lokudweba, uhlelo lokubumba, uhlelo lokuhambisa / ukubeka indawo, uhlelo lokubhoboza, uhlelo lokwamukela okuzenzakalelayo, uhlelo lokugoba lwe-arc, uhlelo lokulawula ugesi.
Ipuleti likathayela wekholvert amashidi ensimbi kathayela asetshenziswa njengedekhi yophahla oluhlelekile noma idekhi yaphansi eyinhlanganisela.Izosekelwa imishayo yensimbi noma ama-joists Inhloso yedekhi yensimbi iwukusekela ulwelwesi oluvikelayo lophahla noma ukusekela kanye nesibopho nokhonkolo ukuze kwakhiwe uhlaka lwesitezi lwensimbi oluhlanganisiwe.
Ulayini wokukhiqiza ibhodi likathayela uyisisetshenziswa esikhethekile sokubumba ibhodi likathayela, elisetshenziswa kakhulu embonini yezokwakha nezinye izinsiza, okubandakanya imihubhe yebhuloho likaloliwe, imigudu yebhuloho lomgwaqo omkhulu njll.
Gxila ekunikezeni izixazululo ze-mong pu iminyaka emi-5.