EN 598: 2021 ,chiyero chezvino cheEN 598, dmapaipi esimbi euctile, zvinosungirirwa (magokora, matinji, zvinoderedza simba, nezvimwewo), zvishongedzo (flange, socket, spigot, nezvimwewo) uye majoini azvo (Sezvakaita seT-type/K-type inosundidzirwa mukatimajoini, majoini eflange, majoini emakanika) ezvinodiwa pakushandisa tsvina uye nzira dzekuyedza

- kushanda pasina kumanikidzwa (gravity sewage), kana nekumanikidzwa kwakanaka kana kusina kunaka;

- kuiswa pasi kana pamusoro pevhu;

- kutakura mvura yepamusoro, tsvina yemumbamvura nedzimwe mhando dzetsvina dzemumaindasitiri, kungave mumasisitimu akasiyana kana mumasisitimu akabatanidzwa;

- Inofukidza dhayamita dzemapaipi kubvaDN 80 kusvika DN 2600uye kupfuura.

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