(1) He māmā te taumaha motuhake, he pai te ngāwari, he ātete rū whenua me te ātete pēhanga, he tere whakaora nui te āhua, he ātete ki ngā momo whakarewa matū, kāore e mimiti wai, kāore e ārai i te wera.
Kāore he paitini, kāore he reka, ka taea te hangarua, ā, he tino pai ki te taiao.
(2) Tāpirihia te tauira ārai mura B1, mā te whakamātautau whakamātautau anake, kia tutuki ai ngā whakaritenga tāutanga tiaki taiao.
(3) He maha ngā wā ka nui te pānga mimiti ru o te rauemi EPP, ā, he pai te pānga mimiti oro me te whakaiti haruru o te rauemi pahuka.
(4) He iti te kawe wera o te EPP, he pai te pānga whakamarumaru wera, ā, he ārai hoki i te haukū. Mō ngā pūnaha hau hou, ko te whakaputanga o te wai kūkū he tikanga mō te poke tuarua mai i ngā huakita, me te mōrearea o te kino ki ngā wāhanga o te tinana.
(5) Māmā te taumaha, penapena wā me te kaha i roto i te kawe me te tāutanga. Tere te mono i te tāutanga, he watea, he tere hoki; Ārai i te koroheketanga, roa te ora.
| Ingoa hua | Whakatakotoranga | D (mm) | D1 (mm) | L (mm) |
| He paipa hau hou a te EPP | DN160(1m) | 160 | 195 | 1000 |
| He paipa hau hou a te EPP | DN125(1m) | 125 | 149 | 1000 |
| He paipa hau hou a te EPP | DN180(1m) | 180 | 210 | 1000 |
| EPP ārai mura karaehe B1 | DN125(1m) | 125 | 149 | 1000 |
| EPP ārai mura karaehe B1 | DN160(1m) | 160 | 195 | 1000 |
| EPP ārai mura karaehe B1 | DN180(1m) | 180 | 210 | 1000 |