1. Zvichienderana nezvinodiwa nemagwaro ekugadzira, tarisa zvizere modhi yemidziyo, zvirevo, huwandu uye mhando, uye rambidza kushandiswa kwezvigadzirwa zvisina kukodzera. Midziyo ichaiswa inofanira kuchengetwa yakachena, uye pombi yepurasitiki haifanirwe kukandwa, kudhonzwa kana kuiswa muzuva.

2. Isa mita yemvura, vharuvhu uye sefa zvinoenderana nezvinodiwa nedhizaini uye chiratidzo chegwara rekuyerera. Sefa nepaipi yebazi zvakabatana kuburikidza nekubatanidza kwakatwasuka.

3. Kuiswa kwezvishandiso zvepombi zvine shinda

Nzira dzekudzivirira pakuisasisitimu yekudiridza madonhwe

Nzira dzekudzivirira pakuisasisitimu yekudiridza madonhwe

Tepi isina kubikwa inofanira kuputirwa uye nati yakakiyiwa yakatwasuka inofanira kusimbiswa.

4. Usati waisa bypass, tanga washandisa gomba rakakosha papombi yebazi. Pakuboora, gomba harifanirwe kutsveyamiswa, uye kudzika kweboora mupombi hakufanirwe kudarika 1/2 yedhayamita yepombi; ipapo, bypass inofanira kudzvanywa mupombi yebazi.

5. Chekapombi yekudiridza inodonhedzwa (tepi)zvichienderana nehurefu hwakakura zvishoma pane mutsetse wezvirimwa, ronga pombi yekudiridza yedrip (bhandi) pamutsetse wezvirimwa, wobva wabatanidza mugumo mumwe nepasspass.

6. Mushure mekuiswa kwepombi yekudonhedza mvura (bhandi), vhura vharuvhu wosuka pombi nemvura, wobva wavhara vharuvhu; isa chivharo chepombi yekudonhedza mvura (bhandi) pamucheto wepombi yekudonhedza mvura (bhandi); uye isa chivharo chepombi yebazi pamucheto wepombi yebazi.

7. Kuiswa kwehurongwa hwese hwemadonhwe emvura ndekwekuti: vharuvhu, sefa, pombi yakatwasuka, pombi yebazi, kuboora, bypass, pombi yekudonhedza mvura (ine), pombi yekukwesha mvura, chivharo.