Inanahi, he puranga o ngā ota mō te hau marama kowiri tiraāraiI oti ngā takirere me ngā takirere hau waro maitai i te awheawhe. He rerekē ngā rahi o ēnei takirere ārai, ā, ka whakaritea kia rite ki ngā hiahia o te kiritaki, tae atu ki te DN160, DN100, DN200, DN224, DN355, DN560 me te DN630.

Ko te takirere whakakā pūrerehua māmā, me ōna rauemi māmā, kaha hoki, me te hoahoa hanganga auaha, e whakaatu ana i ngā painga ahurei o te pūnaha whakapūhau. Ka whakamahia e ia ngā rauemi māmā pērā i te koranu konumohe kaha-teitei me ngā kirihou hangarau, ka whakaiti i te taumaha mā te 30% ki te 50% ki te whakataurite ki ngā takirere hau tuku iho. Ehara i te mea ka whakaitihia te kawenga ki runga i te hanganga whare anake, engari ka whakaitihia hoki ngā utu kawe me te tāutanga, ā, ka whakarei ake i te whai huatanga o te hanga. I taua wā, me tana tukanga hanga tika, he tino pai te mahi hiri o te takirere whakakā hau māmā, ā, he iti ake te turuturu o te hau i te paerewa ahumahi, ka whakaitihia te ngaronga pūngao me te whakatutuki i ngā whakaritenga penapena pūngao o ēnei rā.

I roto i ngā mahi whaihua, he whānuitia te whakamahinga o ngā takirere hau māmā i roto i ngā āhuatanga hanga whare. I roto i ngā pūnaha whakapūhautanga o ngā whare nui pēnei i ngā whare arumoni me ngā whare tari, ka taea e ia te whakahaere pai i te rere o te hau, te whakarite i te kounga o te hau o roto, te whakapai ake i te whakatakotoranga o ngā paipa hau me te penapena wāhi. I ngā wāhi he tino whakaritenga mō te kounga o te hau pēnei i ngā hōhipera me ngā taiwhanga, ka pupuri ngā takirere hau māmā i te pēhanga hau pumau me te taiao ma me ā rātou mahi hiri teitei me ngā āheinga whakahaere tika. I roto i te mara ahumahi, i roto i ngā āhuatanga mahi uaua, ko ōna āhuatanga o te ātete ki te waikura me te ātete ki te wiri ka whakarite i te mahi pumau mō te wā roa o te pūnaha whakapūhautanga, ka whakaiti i te mōrearea o te turuturu o ngā paipa, ā, ka āwhina i ngā umanga ki te whakatutuki i te whakaputanga me te tiaki pūngao me te whakaiti i ngā tukunga.

Ka whakarerekē a Jinbin Valves i ana hua kia rite ki ngā hiahia o te kiritaki. E 20 tau te wheako hanga takirere, ā, ka whakaratohia e mātou ngā otinga pai rawa atu mō ngā kiritaki o te ao. Ka whakahaerehia e mātou ngā kaupapa tiaki wai me ngā kaupapa kāwanatanga, ā, ka hangaia e mātou he penestock, he kuaha kurupae whakarārangi, he takirere kuaha, he takirere kuaha maripi, he takirere pūrerehua toru-ara, he takirere ngira, he ārai hau whānui, me ētahi atu. Mēnā he hiahia e pā ana ki a koe, tēnā whakapā mai ki a mātou i raro nei, ā, ka whiwhi koe i tētahi whakautu i roto i ngā haora 24. Kei te tumanako mātou ki te mahi tahi me koe!