1. Loaʻa ʻole (lōʻihi maʻamau)
He ʻokoʻa ka lōʻihi o nā paipu galvanized seamless steel, a ʻo nā mea i loko o ke ʻano o ka maʻamau ua kapa ʻia nā lōʻihi loli. Ua kapa ʻia ka lōʻihi o ka lula pau ʻole ka lōʻihi maʻamau (ma o ka ruler). No ka laʻana, ʻo ka lōʻihi maʻamau o 159 * 4.5 galvanized seamless steel pipe he 8 a 12.5

2. Paʻa ka lōʻihi
ʻOki i ka nui paʻa e like me nā koi kauoha i kapa ʻia ka lōʻihi paʻa. Ke hāʻawi ʻia i ka lōʻihi paʻa, pono ka lōʻihi i ʻōlelo ʻia e ka mea kūʻai aku ma ka ʻaelike kauoha. No ka laʻana, inā ʻōlelo ka ʻaelike he 6m ka lōʻihi o ka lawe ʻana, pono nā mea i hāʻawi ʻia he 6m ka lōʻihi. ʻO ka mea pōkole ma mua o 6m a ʻoi aku paha ma mua o 6m e manaʻo ʻia ʻaʻole kūpono. Eia nō naʻe, ʻaʻole hiki i nā hoʻopuka āpau ke 6m ka lōʻihi, no laila ua ʻōlelo ʻia e ʻae ʻia nā deviations maikaʻi, akā ʻaʻole ʻae ʻia nā deviations maikaʻi ʻole. (Inā ʻaʻole ʻoi aku ka lōʻihi o ka lōʻihi ma mua o 6m, hoʻonui ʻia ka ʻae ʻae ʻia i +30mm; inā ʻoi aku ka lōʻihi paʻa ma mua o 6m, hoʻonui ʻia ka ʻae ʻia i +50mm)

3. Mea hoonui
ʻO ka poʻe i ʻoki ʻia i loko o nā hui nui e like me ka nui paʻa i koi ʻia e ke kauoha i kapa ʻia nā lula pālua. I ka lawe ʻana i nā waiwai i nā lōʻihi he nui, ʻo ka lōʻihi o ka paipu kila uʻi galvanized i hāʻawi ʻia he mau helu helu o ka lōʻihi (i kapa ʻia ka lōʻihi hoʻokahi) i kuhikuhi ʻia e ka mea kūʻai aku ma ka ʻaelike kauoha (me ka saw kerf). No ka laʻana, inā makemake ka mea kūʻai aku i ka lōʻihi o ka lula hoʻokahi i 2m ma ka ʻaelike kauoha, a laila ʻo ka lōʻihi he 4m ke ʻoki ʻia i ka lula pālua, 6m ke ʻoki ʻia i loko o ka lula ʻekolu, a ʻo hoʻokahi a ʻelua paha mau kiʻi ʻike ʻia. hoʻohui pū ʻia. Hōʻike ʻia ka nui o ka saw kerf i ka maʻamau. Ke hāʻawi ʻia ka unahi, ʻae ʻia nā deviations maikaʻi wale nō, ʻaʻole ʻae ʻia nā deviations maikaʻi ʻole.

4. Luna pōkole
ʻO ke aliʻi nona ka lōʻihi ma lalo o ka palena haʻahaʻa o ka lula palena ʻole i ʻōlelo ʻia ma ka maʻamau, akā ʻaʻole i emi iho ma mua o ka lōʻihi pōkole loa i ʻae ʻia, ua kapa ʻia ʻo ia he ruler pōkole. No ka laʻana, ʻo ka maʻamau o ka lawe ʻana i ka wai paipu kila e ʻae ʻia e loaʻa i kēlā me kēia pūʻulu he 10% (helu ʻia e ka helu) o nā paipu kila pōkole me ka lōʻihi o 2-4m. ʻO 4m ka palena haʻahaʻa o ka lōʻihi pau ʻole, a ʻo ka lōʻihi pōkole loa i ʻae ʻia he 2m.