Source: Alanui Magazine & Magazine kaumaha
ʻElua mau dredges hydraulic nui, i hui pū ʻia me nā liʻiliʻi liʻiliʻi o nā papa kahawai a me nā ʻīlio kahakai, e kiʻi ʻia e pili ana iā 60,000 cu.yd. o ka make wai i kēlā lā i kēia lā e hoʻopuke koke ana i nā mile heʻe o ka muliwai Ashlitz e paʻa ana ma hope o ka hū ʻana o Mt. St. Helens. Akā ʻo ka hoʻohemo ʻana i nā kikowaena nui, halihali iā lākou a hōloi hou i kā lākou holo ʻana i ʻelima mau pule.
Canonie-Bultema Pacific Corp., kahi hui o ka Canonie Companies, Inc., South Haven, Michigan, i hoʻohana i kahi ʻano kai-moana a hoʻomaʻemaʻe e pili ana iā 4.4 miliona cu.yd. no ka ʻikepili kahikaha mai ka muliwai ʻo Cowlitz ma lalo o nāʻaelike i hoʻihoʻi i hope o nā Corps of Engineers. Kuhi ʻia nā kirimana ma kahi o $ 20 miliona.
ʻO Jim Collins, ka luna hoʻomohala papahana no Canonie-Bultema, i alakaʻi i ka hui o 75 a i ka mana 85 a me nā limahana subcontractor e hana nei i nā hoʻololi he 12-hola, ʻehiku mau lā o ka hebedoma.
"ʻO ka hana nui mua e kiʻi ana i nā pono hana ma aneʻi," wahi a Collins. “J o ka Bobby J, kahi 1700-hp, 18-in dredge nona ke kaupaona 375 tona, ua disassembled i Michigan, hoʻoili ʻia i nā kalaka lawe, neʻe 2200 mile, hui hou a i ka hana i 30 mau lā. "
Lawe ʻia i ʻelima mau pule e neʻe ai i ka 500 ton “Marialyce Canonie", 2250-hp, dredge 24-ʻīniha 2800 mile mai Baltimore. ʻO kaMarialyce Canonie ” he Ellicott® ʻO Brand “SUPER-DRAGON®”Dredge. ʻO nā dredge ʻelua a me nā pono kākoʻo ʻē aʻe i koi ʻia i nāʻauwaʻaʻoi aku ma mua o 60 mau kalaka e neʻe.
Ua hōʻuluʻulu ʻia nā dredge ʻelua a kūkulu ʻia kokoke i ke kikowaena waena o ka papahanaʻehā mile, me ka 18-i. hana kikowaena mua i ka wai i luna a me ka pūʻulu 24-iniha e hana ana i lalo. Ua hoʻokumu ʻia ʻekolu mau halekele liʻiliʻi ma ka hoʻokaʻa ʻana a hana like i ke kime ma ka ʻaoʻao hema o ka hana, aʻo kekahi hana ma 14-in dredge ka hopena i ka hopena ʻākau.
A pau ka puka mua i hana ʻia, Bobby J i hoʻoka i lalo a me nā Marialyce ua huli ʻia ma ke kaʻe o ka wailua i mea ʻokiʻoki loa. A laila ua holo aku nā lua nui ʻelua i kahi holoi holoi hoʻomaʻemaʻe.
ʻO ka nunui o ka pahu e holo ai i kahi ākea e pili ana i kahi laulā o 200 ka wā e pivoting ana e pili ana i ka spud e hana ana. Ua kau ʻia nā mea ʻoki ʻelima a me ʻeono i kau ʻia ma luna o nā ʻāpana hoʻolimalima ma luna o ka waihona kālā 19. E hele mua ka pa alima e pili ana i ka 8 ft. I kēlā me kēia set, me kahi nui 80 ft. Lōʻihi o ka pulu kahapili e hoʻohui ʻia ana i ka laina o ka wai e pono ai.
ʻEhā laina huki nui, kahi Lima 2400 me 8 cu.yd. bākeke, kahi Bucyrus-Erie 88B me kahi 5 cu.yd. pākeke, he 7260 ʻAmelika a me kahi P&H 966, nā mea ʻelua me 4 cu.yd. Ua ʻokiʻoki nā bākeke i nā kapa kahawai a hoʻopau i nā ʻaoʻao e lele ana o ke kahawai 350 a 450 ft.
I ka mua, ua hoʻoili ʻia ka waiwai pio mai ka pahu lepo i loko o nā pali kai like i kahakai. Ua hoʻohana ʻia ʻekolu ʻekolu kopa ʻo Fiat-Allis 21B a me nā mīkini liʻiliʻi Caterpillar e hoʻohuli ai i ka wili o ka waiwai pio e hana i kahi pahu ʻāina ʻē aʻe a e hōʻoki i kahi waikahe waiu mai ka ʻaoʻao o nā waihona waiwai hao i hoʻi hou aku i ka muliwai. Ua hoʻopihapiha ʻia nā waihona kīʻaha ma ka wā o nā huluhulu o nā kime nunui ʻelua a ua loaʻa iā ia ke lako inā pono.
ʻO ka hapanui o nā wā, ʻoi aku ka ʻāina i loko o ka pā o ka wai kahaha i hāpai ʻia i ka kiʻekiʻe, akā ua kau ʻia kekahi mau mea nona ka noʻonoʻo. Kahi hale kaʻa kaʻa ʻona e loaʻa ana i kahi mahele nui ke manaʻo e kūkulu i kū ma ke kahawai o ka muliwai kahawai e kū ana i kahi kaula huki a me kahi circuit motocross i puka ʻia mai nā pilau waiwai.
Ka awelika helu helu helu o kēlā me kēia lā e pili ana iā 30,000 cu.yd. me ka Ellicott® Kaha ”SUPER-DRAGON ™” Marialyce, 15,000 cu.yd. no ka Bobby J, a hui 15,000 cu.yd. me ka poe e ae.
ʻEkolu mau pilikia koʻikoʻi e haʻi ʻia e Collins i kahi lepo paʻa ʻole ʻia i nā wahi hoʻokaʻawale, ka hoʻokaʻawale i nā kihi, a loaʻa kahi limahana ʻike.
"ʻO ka waihona maʻamau o ka silt maloʻo a paʻa hoʻi i nā wahi hoʻolilo huli a mānoanoa ke hoʻopiha ʻia me ka wai hana mai nā dredges," i ʻōlelo ʻo Collins. "ʻO ka hana hou ʻana i nā puʻu waiwai e kūkulu i nā ʻaoʻao ʻaoʻao he hana palaualelo ia no ka poʻe hana hale a hana ʻoi aku ka paʻakikī i ka wāwae palupalu a hilinaʻi ʻole ʻia.
“ʻOi aku ka pehu o ka lehu me he one lā. Ua hoʻoneʻe i ka ʻaihue nui ma nā ʻoki ʻoki a me nā ʻoniʻoni o nā mīkini ʻāina a me nā ʻokiʻoki, nā impellers, nā pahu ʻūhū a me nā papa liner ma nā dredges. ʻAʻole i hiki i nā mea hoʻolako ke hoʻomau i ka noi koke no nā ʻāpana pani. Pono mākou e hana i nā ʻāpana o kā mākou iho pani a hana hou i ka hoʻoponopono a paʻakikī i nā ʻāpana i hoʻohana ʻia ma mua o ka maʻamau.
"ʻO ka mōʻaukala, ʻaʻole i loaʻa i ka Northwest ka nui o ka hana dredging muliwai, a ua lawelawe ka Corps of Engineers i ka hapa nui o ia me kā lākou pono ponoʻī a me nā poʻe," i hoʻohui ʻo Collins.
"Akā nui kēia hana i lawe ʻia mai ka nui o nā pono hana a me nā limahana ʻike mai ka waena komohana a me ka hema e hālāwai me nā pono kūikawā ma hope o ka pele."
Mai hou ʻia Alanui Magazine & Magazine kaumaha