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hihia Haʻawina
Source: International Dredging Review Hoʻolaha, uku ʻia nā papa hana hoʻonoho GPS, ʻike ʻia i kēia manawa no nā hana liʻiliʻi dredging. Aia ka ʻōnaehana maʻamau kahi kamepiula maʻamau PC paʻa, me Trimble 4000 series kaugalian GPS a me nā polokalamu holo lako polokalamu Windows e like me HYPACK. Hiki i kahi mea loea kūpono e hoʻokomo i kahi ʻōnaehana maʻamau ma ka pahu liʻiliʻi ma kahi liʻiliʻi i loko o hoʻokahi a i ʻole ʻelua lā. Ke hoʻonohonoho ʻia ke ʻano, hiki ke hoʻomaʻamaʻa ʻia kekahi kanaka me ka ʻike kumu o nā lako huakaʻi uila (e like me Loran) e hana ai i ka ʻōnaehana ma lalo o ʻelua lā. E like me nā lako uila āpau, ʻaʻole nā ​​pilikia o nā GPS i nā pilikia ʻole, akā ...
E hoomau Heluhelu
Kumu 1996: VIRGINIA POWER CO. - Ua ʻaelike ʻia ʻo Chesterfield Station Virginia Southwind Construction Company (SWC) e hana i ka ʻeli ʻana no Virginia Power Company ma nā wahi kaʻawale ʻekolu (3) me ka lawe ʻia ʻana o ka lehu mai 400,000 mau pā cubic a i hoʻokahi miliona mau cubic yard ma ko lākou Chesterfield Waihona. Ua hoʻohana ʻia kahi dredge 14-inch Ellicott® Brand B-890 "Wheel-Dragon" ™ e hana pono ai (a me ke kumu kūʻai kūpono) e hoʻoneʻe i ka lehu mai kekahi ipu a lawe i nā mea ma o ka paipu paipala i kahi ipu waihona. Hoʻohana ʻia nā pale Silt e kāohi i nā mea paʻa paʻa a hoʻoliʻiliʻi i ka turbidity ma kahi e hoʻokuʻu ai i ka muliwai James. Hoʻohui ʻia, hōʻino nā kūlana levee ma ka waihona waiho ma muli o ...
E hoomau Heluhelu
Puna: WORLD DREDGING mining a me ke kūkulu ʻana ʻo Lake Kittarnaqundi kahi 27-ac. ka waihona i loko o Columbia, Maryland, kaulana e like me kekahi o ko ʻAmelika mau kūlanakauhale mua loa — a me ka holomua - i hoʻolālā ʻia. I ka puna o 2010, ua hoʻolimalima ka Hui Columbia, nā mea nona ka loko, iā Cashman e hoʻomaʻemaʻe i ka sediment a me nā mauʻu i hōʻiliʻili ʻia mai ka kūkulu ʻia ʻana o ka loko. Ua kālapa ka hui Cashman i ka papahana, ua ʻike ʻelua mau pilikia nui logistic, a ua hoʻomaka lākou i ka hoʻolālā kikoʻī e hiki ai iā lākou ke hoʻopau i ka hana. ʻO ka mea mua, ua kāpili ʻia ʻo Kittamaqundi me ka wai thyme (hydrilla vertieillata) -ʻo ka weed weed me nā kumu multibranched hiki ke maʻalahi i ka lōʻihi o 25 ...
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30 ʻAukake 1995 Puna: ʻO SandPaper, New Jersey E like me ka hopper dredge "Currituck" chomps aku i kahi kūlohelohe e waiho mau nei ma Barnegat Inlet, New Jersey, USA, ʻo Loveladies kahakai kahakai ma Long Beach Township ka mea kōkua i kēia makahiki. ʻO kā US Army Corps of Engineers 'dredge i hoʻopau i kāna hana kau wela he 65 mau lā. Ua ʻokiʻoki ʻo ia i 100,000 mau pā cubic o ke one e hoʻomaʻemaʻe i ke ala no nā ʻauwaʻa kālepa a me nā leʻaleʻa, kahi hana e hana ai i ʻelua mau manawa o ka makahiki. Ua heleleʻi ʻia he 20,000 mau ʻāpana cubic o kēlā one ma waho o ke kai ma Loveladies Beach. A ʻo kahi hopena, i ʻōlelo ʻia e ke Komikina kaona ʻo Frank T. Pescatore, nā kahakai ma laila ...
E hoomau Heluhelu
Mei 1990 Kumu: Ua hoʻopaʻa nā ʻenekini nūhou i nā hana kaiapuni ma Massachusetts i $ 14 miliona no ka ʻeli ʻana a me ka hoʻomālamalama ʻana i kahi “wahi wela” o nā biphenyls polychlorined (PCB's) ma lalo o ke awa ʻo New Bedford Hoʻomaʻemaʻe ka hoʻomaʻemaʻe i nā sediment i kahi ʻeka he 5 ʻeka o ka wai wai ʻo Acushnet River kahi e pili ana i ka 45% o nā kemika o ke awa a me nā mea haumia mea hoʻoheheʻe kaumaha. ʻO ke awa 1000-ʻeka ka mea kiʻekiʻe loa o ka lāhui o PCB a ʻo ia kekahi o nā pūnaewele ʻoi loa o ka Superfund National Priorities List. ʻO Dredging ka "wahi wela" i mea e kāohi ai i ka neʻe ʻana o nā mea haumia i ke koena o ke awa. ʻO ka hoʻomaʻemaʻe mua ...
E hoomau Heluhelu
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