Port na Los Angeles 'Pier 400 Project Ci gaba zuwa Mataki na Biyu;

Babban Lakes Dredge & Dock yana amfani da Ellicott® Brand dredge "Florida" don yin famfon yadudduka miliyan 50 na ƙasar cika

Source: Ma'adinan Dredging na Duniya & Gine-gine & Binciken redasa na Duniya

A ranar 18 ga watan Agusta, 1997, Port of Los Angeles da Sojojin Amurka na Corps na Injiniyoyi sun yi bikin Ginin Pier 400, babban aikin haƙawa da ɓarnata ƙasa a cikin Amurka, ƙirƙirar hanyoyi masu zurfin gaske don bawa manyan kwantena da jiragen ruwa tanki na duniya damar shiga tashar ta Port sabon Piers 300 da 400.

Za'a yi amfani da kayan da aka datse daga ginin tashar don ƙara kusan 600-acres (kadada 242.8) zuwa tashar don taimakawa saukar da jigilar kayan jirgi da ke motsawa ta Port a cikin shekaru 20 masu zuwa. Dukkanin aikin yana kashe sama da $ 300MM tsaga tsattsauran tsada cikin rabi tsakanin Stage 1 da Stage 2.

Magajin garin Los Angeles Richard J. Riordan ya ce, “tashar jirgin ruwan ta Los Angeles tana daya daga cikin kayan adon Birninmu, samar da ayyukan yi, tallafawa tattalin arzikin yankin, yana hada mu da sauran kasashen duniya. A yau, muna bikin fadadawa mafi girma a tarihin tashar jirgin ruwan Amurka - da kuma kirkirar da za ta kai mu ga maɗaukaka. ”

Brig. Janar J. Richard Capka, kwamandan, Corps of Corps of Engineers, South Pacific Division, ya ce, “Masu shirin daga tashar jirgin ruwa ta Los Angeles da Corps za a taya su murna saboda tabbatar da cewa daidaituwar da ta dace don nasara - tattalin arziki, injiniya, da yanayin - an daidaita shi a cikin wannan aikin. Muna alfahari da rawar da muke takawa a ci gaban wannan tashar, za mu koma har ƙarshen 1800s tare da ƙirƙirar Gundumar Los Angeles Corps. Muna fatan karninmu na biyu na yi wa jama'ar kasa aiki da Kudancin California. "

Dukansu Matakan I da na II an ba da kwangilar ne ga The Pier 400 Constructors, wani haɗin gwiwa na Great Lakes Dredge & Dock Co. da kuma Connolly-Pacific Co. An ba da kwangilar dala miliyan 148.6 don Mataki na I a watan Yunin 1994. Aikin ya haɗa da ci gaban 3 mi. na sababbin, tashoshin kewayawa masu fadi, tafki mai juyawa da layin layi na 5000 na yankin kudu a bakin Pier 300 a tsibirin Terminal.

Ragewar 29 miliyan yd3 na kayan abu ya samar da zurfin ruwa na 45 ft zuwa 63 ft don karɓar kwantena-ruwa mai zurfi da tasoshin busassun kayan ruwa. Abubuwan da aka lalata sun ƙunshi bayan dikes dutsen, ƙirƙirar yanki na 265-acre (107.3 kadada) na sabon filayen ƙasa wanda ake kira Pier 400, wanda ke cikin yankin tashar jiragen ruwa na waje kudu da Tsibirin Terminal. Wannan acreage ya haɗa da kunkuntar hanyar cike sabon da zata haɗa Pier 400 zuwa Tsibirin Terminal kusa da iyakar Los Angeles - Long Beach. Sabuwar providesasa tana ba da kariya ta cikin-kai da sauri daga igiyar ruwa da igiyar ruwa.

Babban Tekuna sunyi amfani da 36 ″ (914 mm) Ellicott® alama ta dredge "Florida ” don yin yawancin aiki akan wannan aikin. Da "Florida“, Tare da sama da 16,000 da aka girka HP (12,000 kW), an bayar da rahoton shine mafi girma kuma mafi ƙarfi yankan tsotso a cikin Amurka. Ya samar har zuwa 138,000 yd3 / rana a kan wannan aikin don Babban Lakes ya sami damar gama watanni uku kafin lokacin.

Yanzu haka ana cigaba da mataki na II tare da kwangilar $ 150 miliyan wanda aka tsara don kammalawa daga Janairu 2000. Kashi na biyu na aikin zai zurfafa tashar 63-ft zuwa 81 ft, ​​tsawaita 50-ft tashar kuma gina tashan 75-ft-zurfin gabas zuwa gefen gabas na X XXX, Stage I. 400 miliyan yd22 na kayan da aka lalata zai ƙirƙiri ƙarin 3-acres (kadada 325).

An sake rami dredge na lantarki a farkon 1980s don aiki a yankin Los Angeles, inda Hukumar Kula da Ingancin Kyau ta sanya duk kayan gini masu tsayayyiyar wutar lantarki. Bayan da aka sanya famfon tsani a kan tsani mai tsawon kafa 115 a yayin da aka fara zurfafa tashoshin, dredge mai inci 34 ya kasance mai karfin isa ya fitar da nisan da ake bukata ba tare da fanfunan kara karfi ba. A yayin wannan aikin, za ta fitar da ƙafa 18,000 daga tashar shiga ta teku zuwa cika. A lokacin ginin hanyar sufuri, layin da ya fi kowane tsawaita ya kasance ƙafa 12,000. Tare da katako mai tsawon ƙafa 184 wanda aka ɗaura zuwa gaci, tsawon Florida ɗin gaba ɗaya ƙafa 450 ne, yana ba da damar yin lilo mai faɗi.

Babban injin famfo shine 10,000 HP, 13,200 volt Canadian General Electric motor. Shoarfi ta zuwa ƙarshen dredge ta hanyar 15,000 ƙafa na kebul mai ɗaukar nauyi, ana ɗaukar sanduna biyu na reel.

Motar Kanada ta samo asali ne daga aikace-aikacen farko na dredge. Ellicott® International ya gina "Florida", Sannan ake kira"Clarence B. Randall“, Kuma wata‘ yar’uwar da ta yi kama da juna a shekarar 1953 don hakar ma’adanin karafa na Caland Ore's Steep Rock Canada. Dredges biyu sun yi aiki ba dare ba rana don cire ɗaruruwan miliyoyin mita na cubic na nauyi - sama da zurfin mita ɗari. Aikin dutsen dutsen ya kasance babban aikin haƙa ma'adanai mafi girma wanda aka taɓa aiwatarwa. Haraji ne ga ƙa'idodin ƙirar Ellicott® cewa har yanzu mabuɗin maɓallin yana aiki sama da shekaru 40 daga baya, kuma cewa ƙwanƙolin tsarin yana karɓar haɓaka ci gaba na baya da aka bayyana a sama.

Lokacin da Manyan Tabkuna ke shirya “Florida”Don ayyukan Pier 400 a cikin 1997, ya sami damar dogaro da Ellicott to International don samar da cikakkun bayanan aikin injiniya na asali, sama da shekaru 40 bayan ginin, don taimakawa haɓakar Great Lakes zuwa ramin.

Tashar jiragen ruwa ta tsara wurin don kwantena, ruwa mai yawa da kuma hanyoyin jirgin kasa. Aikin na Pi 400 yana ba da fa'idodi na tattalin arziƙi gami da haɓaka a kan ainihin albashi daga dala biliyan 24.3 zuwa dala biliyan 40. Bugu da kari, gudunmawar harajin tarayya, jihohi da kananan hukumomi zai karu daga dala biliyan 12 zuwa dala biliyan 19.8. Aikin hakar kasa da kasa shi ne ginshikin shirin aiwatarwa na Port's Pier 300/400, shirin dala miliyan 650 wanda ya kunshi ayyukan daban daban guda 24. Wannan ita ce babbar inganta babban birni na duk tashar jirgin ruwan Amurka da kuma shirin ci gaban Port mafi girma cikin tarihinta na shekaru 90.

Shirin aiwatarwa na Pier 300/400 ya kasance wani bangare na karshen tashar ta Alameda Corridor, titin dogo mai nisan mil 20 da hanyar sufuri ta hanya, yana hada tashoshin jiragen ruwa na Los Angeles da Long Beach zuwa hanyar jirgin kasa mai hade da juna da kuma samar da hanya mai sauri da inganci. don rarraba kaya a ko'ina cikin Amurka. Tashar Los Angeles tana ɗaya daga cikin manyan tashoshin jiragen ruwa da suka fi cunkoson duniya kuma tana aiki a matsayin babbar hanyar Amurka ta Yammacin Yammacin kasuwancin duniya. Port 7500-acre Port ya ƙunshi manyan kayan aiki 30 tare da mil mil 28 na bakin ruwa waɗanda suka ƙware a cikin mota, breakbulk, akwati, manyan bushe da ayyukan jigilar ruwa mai yawa.

Dangane da mahimmancin tashar jiragen ruwa zuwa Los Angeles, Corungiyar Injiniya ta --asa - ƙwararrun masana aikin injiniya na gwamnatin tarayya - sun kirkiro Gundumar Los Angeles a cikin 1898 don sauƙaƙe gina tsarin tashar ta. A yau, a karkashin wannan ruhun hadin kai da dadewa, Corps ya ci gaba da taimakawa tashar jiragen ruwa tare da kwarewar aikin injiniya, yana mai da tashar jiragen ruwa ta Los Angeles daya daga cikin manyan tashar kasuwanci ta Amurka.

An Cire daga Dadin Duniya Dinging & Construction & International Dredging Review

Fara Tsarin Rarrabawa Jirgin ka Tare da Ellicott