Amarobhothi amabili ama-hydrodemition aqeda ukususwa kokhonkolo ezinsizeni ze-Arena ezinsukwini ezingama-30, kuyilapho indlela yendabuko ilinganiselwa ukuthi ithathe izinyanga eziyi-8.
Cabanga ukushayela enkabeni yedolobha ngaphandle kokuqaphela ukwanda kokwakha amadola ama-Multimillion eduzane nendawo - akukho ukuqondiswa kabusha kwethrafikhi futhi akukho ukudilizwa okuphazamisayo kwezakhiwo ezizungezile. Lesi simo sicishe singazwakali emadolobheni amakhulu e-United States ngoba zihlala zivela futhi ziguquka, ikakhulukazi amaphrojekthi aloluya. Kodwa-ke, lokhu kuguqulwa okucashile, ukuguqulwa okucacile yilokho okwenzekayo edolobheni laseSeattle, ngoba abathuthukisi bamukele indlela ehlukile yokwakha: ukwanda kwehla.
Enye yezakhiwo ezidumile kakhulu zeSeattle, inkundla yokuzibophezela kwesimo sezulu, isenzelwe kabusha okubanzi nendawo yayo yaphansi izokwedlula kabili. Indawo yasekuqaleni yabizwa ngokuthi i-Key Arena futhi izovuselelwa ngokuphelele futhi ivulwe kabusha ekupheleni kuka-2021. Le phrojekthi yokuvelela yaqala ngokusemthethweni ekwindla ngo-2019 futhi selokhu yaba yisiteji sezindlela ezithile eziyingqayizivele zobunjiniyela kanye nokudilizwa. Amasevisi we-Redir Redi adlale indima ebalulekile kwinqubo yokuguqula ngokuletha le mishini emisha esizeni.
Ukunwebeka phansi kwesakhiwo kugwema izinxushunxushu ezibangelwa ukwanda okuvundlile kwendabuko - ukuhlela kabusha isakhiwo sasemadolobheni nokudiliza izakhiwo ezizungezile. Kepha le ndlela eyingqayizivele ayiveli kulezi zinto ezikhathazayo. Esikhundleni salokho, ugqozi luvela esifisweni nasethubeni lokuvikela ophahleni lwesakhiwo.
Idizayinelwe ngumakhi wezakhiwo uPawulu ngo-1962 World ExpoSition we-1962 World Expoition, ophahleni olubonakalayo olubonakalayo olutholwa kalula isimo soMlando Olugcinwe ngomlando ngoba ekuqaleni wawusetshenziselwa imicimbi yomlando nezamasiko. Ukuqanjwa komhlaba okungumhlaba kudinga ukuthi noma yikuphi ukuguqulwa kwesakhiwo kugcinwe izakhi zesakhiwo somlando.
Njengoba inqubo yokuhlaziya yenziwa ngaphansi kwesibonakhulu, zonke izici zenqubo ziye zahlela ukuhlela okwengeziwe kanye nokuhlolwa. Ukwanda kwehla kwehla - okwandisa le ndawo kusuka kumamitha-skwele angama-368,000 kuya kumamitha-skwele angama-800,000 - aletha izinselelo ezahlukahlukene zezinto. I-Crew yemba amanye amamitha ayi-15 ngaphansi kwenkundla yamanje kanye nezinyawo ezingama-60 ngaphansi komgwaqo. Ngenkathi ufeza lokhu, kusenenkinga encane: Ungawasekela kanjani amakhilogremu angama-44 wezigidi zophahla.
Onjiniyela nosonkontileka kubandakanya i-MA Mortenson Co kanye ne-Subcontractor Rhine Demolition yathuthukisa uhlelo oluyinkimbinkimbi. Bazosusa amakholomu akhona kanye nezinkinobho ezikhona ngenkathi befaka uhlelo lokusekelwa ukusekela izigidi zamaphawundi zophahla, bese zincike ekusekelweni izinyanga ukufaka uhlelo olusha lokusekelwa. Lokhu kungahle kubonakale kuyesabeka, kodwa ngendlela yokuqalisa ngamabomu kanye nokubulawa kwezinyathelo ngesinyathelo, bakwenza.
Umphathi wephrojekthi wakhetha ukufaka uhlelo lokusekelwa okwesikhashana ukusekela ophahleni lwe-Arena, ophahleni lwamaphawundi amaningi ezigidi, ngenkathi ususa izinsika ezikhona kanye nezinkinobho. Bathembela kulezi zisekeli izinyanga ukufaka amasistimu amasha wokusekelwa unomphela. I-Aquajet yokuqala ihlanganisa bese isusa cishe amamitha ayi-600,000 cubic. ikhodi. Inhlabathi, abasebenzi bavutha ukusekelwa kwesisekelo esisha. Lolu hlelo lwezinsika ezingama-56 ludale i-superstrupture esetshenziselwa ukusekela ophahleni okwesikhashana ukuze usonkontileka akwazi ukumba ezingeni elidingekayo. Isinyathelo esilandelayo sihlanganisa ukudiliza isisekelo sokhonkolo sokuqala.
Ngomsebenzi wokudilizwa kwalolu ngosayizi nokucushwa, indlela yendabuko ye-chisel hammer ibukeka ingenangqondo. Kwathatha izinsuku eziningana ukudiliza kahle ikholomu ngayinye, futhi kwathatha izinyanga eziyi-8 ukudiliza yonke ikholomu 23, amakholomu ama-4 v abunjiwe kanye ne-bustress eyodwa.
Ngaphezu kokubhidlizwa kwendabuko okuthatha isikhathi esiningi, le ndlela inobunye ubunzima obungaba khona. Ukususa isakhiwo kudinga ukunemba okuphezulu kakhulu. Njengoba isisekelo sesakhiwo sokuqala sizosetshenziswa njengesisekelo sezinsika ezintsha, onjiniyela badinga inani elithile lezinto zokwakha (kufaka phakathi insimbi nokhonkolo) ukuze uhlale uqinile. I-crusher ekhonkolo ingalimaza imigoqo yensimbi kanye nengozi yokuqhekeka kwekholomu kakhonkolo.
Ukunemba nokucaciswa okuphezulu okudingekayo kulokhu kulungiswa kabusha akuhambelani nezindlela zokudilika kwendabuko. Kodwa-ke, kunendlela ehlukile, ehilela inqubo abantu abaningi abangayazi.
Inkampani engaphansi kwe-RheinOrdland Demolition Company isebenzise oxhumana naye neHouston Water Spray Isazi Jatsstream ukuthola isixazululo esinembile, esisebenzayo nesisebenzayo sokubhidlizwa. I-Jetstream Inconyelwe iRedi Services, inkampani yokusekela yensizakalo yezimboni esekelwe eLyman, eWyoming.
Yasungulwa ngo-2005, izinsizakalo zeRedi zinabasebenzi namahhovisi angama-500 nezitolo eColorado, Nevada, Utah, Idaho naseTexas. Imikhiqizo Yesevisi ifaka izinsizakalo zokulawula kanye nezinsizakalo ezenzakalelayo, ukucishwa komlilo, ukumbiwa kwe-hydraulic kanye nezinsizakalo ze-hydraulic, ukusekelwa kwemfucuza, nezinsizakalo zokwakhiwa kwengcindezi ukuthuthukisa Amakhono okusebenza aqhubekayo.
Izinsizakalo zeRedi zifakazele lo msebenzi futhi zethula irobhothi le-aquidet hrodemition kwisiza sokuzinikela kwesimo sezulu. Ngokunemba nokusebenza kahle, usonkontileka wasebenzisa amarobhothi amabili ama-aqua cutter 710v. Ngosizo lwe-3D positioning Power Head, opharetha angafinyelela ezindaweni ezivundlile, mpo nasezinhlelweni.
"Kungokokuqala ngqa ukuthi sisebenze ngaphansi kwesakhiwo esindayo," kusho uCody Austin, imenenja yesiFunda yeRedi Services. "Ngenxa yephrojekthi yethu edlule ye-Aquajet Robot, sikholwa ukuthi ilungele lokhu kudilizwa."
Ukuze uqonde futhi usebenze kahle, usonkontileka asebenzise amarobhothi amabili ase-aquaa cutter 710v amarobhothi ukudiliza izinsika ezingaba ngu-28, amajamo amane we-V kanye ne-bustress eyodwa kungakapheli izinsuku ezingama-30. Kuyinselele kodwa akunakwenzeka. Ngaphezu kwesakhiwo esisabisayo esilenga ngaphezulu, inselelo enkulu kunazo zonke obhekene nayo bonke osonkontileka esizeni yisikhathi.
"I-Timetable iqine kakhulu," kusho u-Austin. "Lona yiprojekthi esheshayo esheshayo futhi sidinga ukungena lapho, sidilize ngokhonkolo, bese abanye bevumela ukuthi kube umsebenzi wabo ukuze bafeze ukulungiswa kwabo njengoba behlelile."
Ngoba wonke umuntu usebenza emkhakheni ofanayo futhi uzama ukuqedela ingxenye yephrojekthi yabo, kudingeka ukuhlela nokuhlelela ukuhlela nokugcina izithayo ukuze kugcinwe konke kugijima kahle futhi kugwemeze izingozi. Usonkontileka owaziwayo uMa Mortenson Co ulungele ukufeza inselelo.
Ngesikhathi sesigaba sephrojekthi lapho izinsizakalo ze-Redi zibamba iqhaza khona, osonkontileka abaningi abangaba ngu-175 nabathengisi abasendaweni ethile. Ngoba kunenqwaba yamaqembu asebenza, kubalulekile ukuthi ukuhlelwa kwezinto zokuhlelwa nakho kubhekwe nokuphepha kwabo bonke abasebenzi abafanele. Usonkontileka waphawula indawo evinjelwe ngetheyipu ebomvu namafulegi ukugcina abantu esizeni ibanga eliphephile kusuka ku-jet yamanzi ephezulu kanye nemfucumfucu yenqubo yokususa ukhonkolo.
Irobhothi le-hydrodemition lisebenzisa amanzi esikhundleni sesihlabathi noma ama-jackjams wendabuko ukuhlinzeka ngendlela esheshayo nenembe kakhudlwana yokususwa kokhonkolo. Uhlelo lokulawula livumela opharetha ukuthi alawule ukujula nokunemba kokusikiwe, okubalulekile ukuthi umsebenzi oqondile kanjena. Idizayini eyingqayizivele ne-vivaration-mahhala yemimese ye-Aqua Vumela usonkontileka ukuthi ahlanze kahle imigoqo yensimbi ngaphandle kokudala imifantu emincane.
Ngaphezu kwe-robot uqobo, izinsizakalo zeRedi nazo zisebenzise ingxenye eyengeziwe yokwengeza ukuphakama kwekholomu. Iphinde isebenzise amaphampu amabili we-hydroblast acindezele kakhulu ukuhlinzeka ngengcindezi yamanzi ye-20,000 PSI ngejubane le-45 gpm. Iphampu itholakala ngamamitha angama-50 avela emsebenzini, amamitha ayi-100. Zixhuma nge-hoses.
Sekukonke, izinsizakalo zeRedi zadiliza amamitha ayi-250 cubic metres wesakhiwo. ikhodi. Impahla, ngenkathi igcina imigoqo yensimbi ibekile. 1 1/2 inches. Imigoqo yensimbi ifakwe emigqeni eminingi, engeza izithiyo ezingeziwe ukususwa.
"Ngenxa yezendlalelo eziningi ze-rebar, kwakudingeka sinqume kuzo zonke izinhlangothi ezine zekholomu ngayinye," kusho u-Austin. "Yingakho irobhothi lase-Aquajet liyikhetho elihle. I-robot ingagawula amamitha-nye amamitha amabili, okusho ukuthi singakwazi ukuqeda amayadi ama-2 kuya kwayi-3/2. Ngehora, kuya ngokubekwa kabusha. "
Izindlela ezijwayelekile zokudilizwa zizokhiqiza imfucumfucu edinga ukuphathwa. Nge-hydrodemition, umsebenzi wokuhlanza ubandakanya ukwelashwa kwamanzi kanye nokuhlanza okungaphansi kwezinto ezibonakalayo. Amanzi okuqhuma adinga ukuphathwa ngaphambi kokuthi akhishwe noma abukeke ngepompo ephezulu. Izinsizakalo zeRedi zakhetha ukwethula amaloli amabili amakhulu we-vacuum ngezinhlelo zokuhlunga ukuqukatha nokuhlunga amanzi. Amanzi ahlungiwe akhishwe ngokuphepha kwipayipi lamanzi emvula phezulu kwendawo yokwakha.
Isitsha esidala saguqulwa saba yisihlangu esinezinhlangothi ezintathu esasidilizwa ukuqukethe amanzi aqhumayo futhi sithuthukise ukuphepha kwendawo yokwakha ematasa. Uhlelo lwabo lwe-Filtration lusebenzisa uchungechunge lwamathangi amanzi nokuqapha kwe-PH.
"Sithuthukise uhlelo lwethu lwe-Filtration ngoba senze kwamanye amasayithi ngaphambili futhi sijwayelene nenqubo," kusho u-Austin. "Lapho womabili amarobhothi esebenza, sacubungula amalitha angama-40,000. Ukushintshwa ngakunye kwamanzi. Sinomuntu wesithathu ukuqapha izici zemvelo zamanzi amdaka, okubandakanya ukuhlola i-PH ukuqinisekisa ukulahlwa okuphephile. "
Izinsizakalo zeRedi zihlangabezane nezithiyo ezimbalwa nezinkinga kuphrojekthi. Isebenzisa iqembu labantu abayisishiyagalombili nsuku zonke, kanye no-opharetha oyedwa irobhothi ngalinye, oyedwa ophethe ipompo ngayinye, eyodwa ngeloli ngalinye le-vacuum, kanye nomphathi kanye nochwepheshe ukusekela amarobhothi amabili ".
Ukususwa kwekholomu ngayinye kuthatha cishe izinsuku ezintathu. Abasebenzi bafake imishini, bachitha amahora ayi-16 kuye kwangama-20 ukuqeda isakhiwo ngasinye, base behambisa imishini kwikholamu elandelayo.
"Ukudilizwa kukaRhine kunikeze isitsha esidala esasetshenziswa futhi sasikwa saba izivikelo ezihlaselwe ngamacala amathathu ezazidilizwa," kusho u-Austin. "Sebenzisa umgibeli ngesithupha sakho ukuze ususe isembozo esivikelayo, bese udlulela kukholamu elandelayo. Ukunyakaza ngakunye kuthatha isikhathi esingangehora, kufaka phakathi ukuhambisa isembozo esivikelayo, irobhothi, ukusetha iloli le-vacuum, ukuvimbela ipulasitiki echithekile, kanye nama-hoses ahambayo. "
Ukulungiswa kwenkundla kwaletha ababukeli abaningi abanelukuluku. Kodwa-ke, isici sokudilizwa kwe-hydraulic sephrojekthi asikaze sidonse ukunaka kwabadlulayo kuphela, kodwa futhi saheha ukunakwa kwabanye abasebenzi esizeni.
Enye yezizathu zokukhetha ukuqhuma kwe-hydraulic yi-1 1/2 inches. Imigoqo yensimbi ifakiwe emigqeni eminingi. Le ndlela ivumela izinsizakalo ze-Redi ukugeza ngokuphelele imigoqo yensimbi ngaphandle kokubangela imifantu emincane ngokhonkolo. I-Aquidet "Abantu abaningi bahlabeka umxhwele - ikakhulukazi ngosuku lokuqala," kusho u-Austin. "Sibe nonjiniyela nabahloli abaneshumi nambili baza ukubona okwenzekile. Bonke bashaqeka amandla [e-aquajet robot] ukususa imigoqo yensimbi kanye nokujula kokungena kwamanzi kukhonkolo. Ngokuvamile, wonke umuntu wahlabeka umxhwele, futhi sasinjalo. . Lona umsebenzi ophelele. "
Ukudilizwa kwe-Hydraulic kungukuphela kwesici sale projekthi enkulu kangaka. I-CHENQOOPE SPEX APETEA Ihlala iyindawo yezindlela zokudala, ezintsha nezisebenzayo zemishini. Ngemuva kokususa ama-Pires okusekelwa okuqala, abasebenzi baxhumanise ophahleni kumakholomu wokusekela unomphela. Basebenzisa amafreyimu wensimbi kanye nokhonkolo ukwakha indawo yokuhlala yangaphakathi, bese uqhubeka nokungeza imininingwane ephakamisa ukuqedwa.
NgoJanuwari 29, 2021, ngemuva kokupendiswa kwasayinwa ngabasebenzi bezokwakha, inkundla yokwakha isimo sezulu kanye namalungu eSeattle Krakens, umfutho wensimbi wokugcina wawususwa endaweni yendabuko yophahla.
U-Arielle Windham ungumbhali embonini yezokwakha nokudilizwa. Izithombe ngoncedo lwe-Aquidet.
Isikhathi sePosi: Sep-06-2021