Ukukhetha ipayipi esiseleyo lokungena amakhono okuthiwe kanye nezicateleni zokusebenza ngokulandelana nesikhashana somalenti, izindawo ezifanayo nokuhlala khona, kunye nenkinga yokubhedlela. I- API 5L line pipes, ngakwesiphi, zingcabango lomphahla wemali we- oil kunye nengas ngaphandle komoya ngenxa yobungakho olunyelekile kunye nokuphucula kwamandla ekuseni. Ngokugcina, i-galvanized steel pipes zihlobene inkinga yokuhambisana nomsindo wesibhokisi phakathi komhlaba okanye emazibenini. I-carbon steel pipes, ngokuba kuhluke ukuthi abangene, kufanele kuhlola ukuthi bayeziwe ngcono kunye nokuthi bazingene nomsindo wesibhokisi. Umkhombusho wakuhlola ukuthi ungavamele amapayipi angama ERW, SMLS, kunye namapayipi amacasing ngokulandelana nendawo yesicelo—ngaphandle kokubhedlela, uphawu kunye nephandla lemfundo—to hambisa ukuthi amapayipi akafanele aqhele, uzame ukususa imali yokuvikelela, kunye nokwenza ukuthi isenzo sasebenze ngokuphumelele ngaphandle kokuphucula kwalokhu.