Kōwhaiwai whakaaroaro waka ā-porowhita he kāinga hanga tūmataiti e hāpai ana i ngā momo hanganga matatika me ngā kaupapa hanga hei whakaputa i ngā waka ā-porowhita pai noa mō te whenua o ngā waka rere. Ko te kāinga nei e mau ana i ngā rauemi matatika o te ao hei hanga, hei whakauru, me te whakamātau i ngā waka. E mahi ana ki runga i ngā pūkenga matatika me ngā tohunga hanga e whakatakoto ana i ngā waka ā-porowhita e ai ki ngā whiuwhitanga pūmau, ki ngā mōhiotanga haumaru pai rawa, me ngā whatu whiu porowhita whai kaha. I whakatūhia ngā kaupapa whakahaere paihere i ia ratou o ngā tau hanga, kia tae atu ai ki te mea ko ia waka ā-porowhita e pai noa ana ki ngā paerewa haumaru me ngā paerewa hītori o te motu waka rere. Ka whai ake anō te kōwhaiwai i ngā whakapakari hunga rautaki hei whakapai ake i te whanonga me te wehi o ana hua.