Ngaphambi kokuba ithunyelwe kwizibuko, ummeli womthengi weza kuhlola umbhobho wentsimbi ongenamthungo.Olu hlolo lwalumalunga nokuhlolwa kwembonakalo yombhobho wentsimbi ongenamthungo.Iinkcukacha ezifunwa ngumthengi zaziAPI 5L /I-ASTM A106 IBanga B, SCH40 SMLS 5.8M.Sinobubanzi obungaphandle kwaye Ubukhulu bodonga kunye nenkangeleko yombhobho wentsimbi yayipeyintwe emnyama kwaye ihlolwe.Ummeli wabathengi uvakalise ulwaneliseko.Namhlanje siza kupakisha, sitywine kwaye sithumele kwitheminali yokuthumela ngenqanawa.Siyathemba ukuba abathengi baya kufumana iipayipi zethu zetsimbi ngokukhawuleza kwaye baxhase ukusetyenziswa kwabo kwiiprojekthi zabathengi.