MIRA PAIPA ERW/Ngā Pūrere Maha-Mahi/ZTZG

MIRA PAIPA ERWO TE PAIPA POROWHITI/TAWHE

He maha ngā kiritaki e hiahia ana ki te hanga ngongo porowhita me te whakamahi i te hangarau hanga tapawhā tika hei hanga ngongo tapawhā me ngā ngongo tapawhā. I runga i tēnei tono a te kiritaki, kua whakawhanakehia e ZTZG tētahi hangarau hanga tapawhā tika maha-mahi.

1.I te wa e hanga ana i nga paipa porowhita:

1.1Ka taea te hanga hei ngongo porowhita me te ngongo tapawhā, ā, he hototahi ki te tukanga hanga o te maitai matao-hanga..

1.2I te wā e hanga ana i ngā paipa porowhita o ngā whakaritenga rerekē, ka tohaina ngā pokepokea katoa mō te wāhanga hanga, ā, ka taea te whakarite mā te hiko, mā te aunoa rānei.

1.3 Heoi, me whakakapi ngā pokepokea mō te wāhanga diameter pumau, ā, ko te tikanga whakakapinga he whakarunga.

2.I te wā e hanga ana i ngā ngongo tapawhā:

2.1Te tohatoha i ngā roera katoa;

2.2Te iti o te kaha o te mahi;

2.3Te haumarutanga teitei;

2.4He ngāwari ake te whakaputa, ā, kāore e hiahiatia he taonga;