Ko te taahiraa tuatahi o te tukanga tāutanga ko te whiriwhiri i te wāhi tino pai mō te ine i te rere o te wai. Kia taea ai tēnei te mahi tika, me mōhio koe ki te pūnaha paipa me ōna pūnaha wai.
Ko te tauwāhi tino pai e tautuhia ana ko:
He pūnaha paipa kī tonu i te wai i te wā e inehia ana.
Tērā pea ka tino kau te paipa i te wā o te huringa tukanga – ka puta he waehere hapa ki te mita rere i te wā e takoto kau ana te paipa. Ka muku aunoa ngā waehere hapa ina whakakīia te paipa ki te wai. Kāore i te tūtohutia kia whakairihia ngā whakawhiti hiko ki tētahi wāhi ka kī tonu te paipa. Mā ngā paipa kua kī tonu ka hē, ka kore e taea te matapae te whakahaere i te mita.
He pūnaha paipa kei roto ngā roa o ngā paipa tika pērā i ngā mea kua whakaahuatia i roto i te Ripanga
2.1. Ka pā ngā taunakitanga mō te diameter paipa tika mō ngā paipa e anga ana ki te whakapae me te poutū. Ka pā ngā rerenga tika i roto i te Ripanga 2.1 ki ngā tere wai e 7 FPS [2.2 MPS] te tikanga. I te pikinga o te tere wai i runga ake i tēnei tere tikanga, ka piki ake te hiahia mō ngā paipa tika.
Whakanohoia ngā whakawhiti hiko ki tētahi wāhi e kore ai e tukinga, e whakakorikoria rānei i te wā e mahi ana.
Āta karohia te tāutanga ki ngā paipa e rere ana ki raro, ki te kore e nui te pēhanga o raro hei whakakore i ngā poka i roto i te paipa.

Wā tuku: Pipiri-19-2022