ʻOkoʻa kuhiliʻole pahu pale me nā kānana mechanical no ka wastewater pre-treatment.Hoʻokomo ʻia ka pale pahu kiʻekiʻe no ka mālama ʻana i ka wai ʻino ma ka puka o ke kahua pamu a i ʻole ka ʻōnaehana mālama wai.Hoʻokumu ʻia ʻo ia me ka pedestal, nā ʻōpala kikoʻī kikoʻī, ka pā rake, ke kaulahao elevator a me nā ʻāpana hoʻemi kaʻa a me nā mea ʻē aʻe.