awāwa hoʻoheheʻe ʻiʻo polyester
ʻO ke kahawai i loko o ka polyester concrete i hoʻolako ʻia me nā papa pale a me nā pā hao ductile i hoʻopaʻa ʻia me nā wili kila, e like me ka UNI EN 1433 maʻamau, a me nā papa haʻahaʻa D400 ʻO ka ʻili o loko maʻemaʻe me nā kihi ʻole a me ka PH neutral, e hoʻomaʻamaʻa i ka kahe ʻana o ka wai a me pale aku i ka ulu ana o ka nahelehele.Hoʻolālā ʻia kēia mau awāwa no ka hoʻoheheʻe ʻia ʻana ma o ka hoʻoheheʻe ʻana kūpono, a no ka hoʻoheheʻe ʻana me kahi poʻomanaʻo kikoʻī, i hoʻolako ʻia me ka hopena HDPE, o ka diameter.150 mm.
NORM UNI EN 1433 KA HOʻOPIʻI A ME KA WAHI
Hiki ke hoʻokaʻawale ʻia nā uhi manhole, nā gullies a me nā gratings i kēia mau papa: A15, B125, C250, D400, E600 a me F900
Pūʻulu 4(Papa D 400 liʻiliʻi): nā ala kaʻa (me nā alanui hele wāwae), nā poʻohiwi paʻa a me nā wahi kaʻa no nā ʻano kaʻa alanui āpau.
Palapala noi Hoʻohana nui ʻia ia ma nā wahi i lalo: Nā puka komo hale Nā kikowaena lawelawe Nā paka kaʻa Māhele hele wāwae Waiwai ma ke kerbside Na Awa Hanahana Nā kahua kaʻaahi Hōʻike nā huahana 
