Yakagadzirirwa zvinoenderana nezvaunoda.
Midziyo iyi yakagadzirirwa kunyanya kuchenesa tsvina yemumba nemvura yakafanana yemumaindasitiri munzvimbo dzakasiyana-siyana. Yakanakira nharaunda dzekugara, misha, nemataundi, pamwe nenzvimbo dzekutengeserana dzakadai sezvivako zvemahofisi, nzvimbo dzezvitoro, mahotera, nemaresitorendi. Pamusoro pezvo, inoshandira masangano akadai sezvikoro, zvipatara, nemasangano ehurumende. Sisitimu iyi yakakodzerawo munzvimbo dzakagadzirwa, kusanganisira mauto, nzvimbo dzekuchengetera vana, mafekitori, migodhi, nenzvimbo dzinokwezva vashanyi. Kugona kwayo kushandiswa kwakasiyana-siyana kunosvika kumapurojekiti ezvivakwa zvakaita semigwagwa mikuru nenjanji, zvichipa mhinduro inoshanda yekugadzirisa kurapwa kwemvura yakasviba mumabasa emaguta nemaindasitiri.