Daim duab no thaij nrog lub drone qhia txog kev tu ncua txuas ntxiv ntawm ib feem ntawm Norfolk Southern freight trained derailed Friday night in East Palestine, Ohio, Thursday, Feb. 9, 2023.
Gene J. Puskar | AP
Teev tom qab ib 28-tsheb Norfolk yav qab teb tsheb ciav hlau derailed Hnub Saturday hauv Springfield, Ohio - qhov xwm txheej thib peb rau txoj kev tsheb ciav hlau thauj khoom hauv tsuas yog ib hlis, suav nrog kev puas tsuaj lom nyob rau sab hnub tuaj Palestine, Ohio - cov email sab hauv qhia cov tub ceev xwm hauv kev tsheb ciav hlau tau kho dav dav rau kev tsheb ciav hlau.
Ib sab hauv Norfolk yav qab teb email xa hnub Sunday thiab tau txais los ntawm CNBC nrog lub sijhawm stamp kwv yees li 11 teev tom qab qhov kev sib tsoo zaum kawg tau qhia tias Norfolk Southern tab tom npaj txo lub tsheb ciav hlau ntev hauv kev rau siab tiv thaiv cov xwm txheej yav tom ntej. Cov peev txheej qhia CNBC tus email tau muab rau Norfolk Southern yard managers, uas yog cov neeg ua haujlwm koom ua haujlwm saib xyuas cov tsheb ciav hlau.
Ib tus kws tshaj lij Norfolk Southern tau hais rau CNBC tias kev taw qhia txij li tau hloov kho tshiab thiab tam sim no lub tsheb ciav hlau thauj khoom tau yuam kom txhua lub tsheb ciav hlau hla 10,000 ko taw siv lub zog faib, txhais tau tias cov tsheb ciav hlau yuav siv los ntawm ntau qhov chaw hla lub tsheb ciav hlau ntev, tsis yog los ntawm pem hauv ntej. . Kev faib cov locomotives yog wirelessly tswj los ntawm cov thawj locomotive nyob rau hauv ob qho tib si lub hwj chim thiab braking raws li xav tau los pab nyob rau hauv kev tswj ntawm lub tsheb ciav hlau rog.
Norfolk Southern tau hais rau CNBC lwm cov tsheb ciav hlau tam sim no muaj qhov kev nyab xeeb no nyob rau hauv qhov chaw.
"Ntawm Norfolk Southern, kev nyab xeeb ntawm peb cov neeg ua haujlwm thiab cov zej zog peb ua haujlwm ua ntej," Connor Spielmaker, tus cev lus rau Norfolk Southern, tau sau los ntawm email. "Ib feem ntawm kev txhim kho kev nyab xeeb yog tsis tu ncua ntsuas seb peb ua haujlwm li cas peb lub network, thiab peb tau tshuaj xyuas txoj hauv kev tam sim kom txav lub hom phiaj mus rau tom ntej. Niaj hnub no, raws li ib ntus kauj ruam, peb tau ua kom txhua lub tsheb ciav hlau ntev dua 10,000 ko taw ua haujlwm nrog lub zog faib. Peb yuav tsim qhov kev hloov pauv ib ntus no txhawm rau tsav cov cai kawg uas tsim nyog rau txhua ntu ntawm peb txoj kev tsheb ciav hlau. "
Norfolk Southern hais rau CNBC tias nws tab tom tshuaj xyuas tag nrho cov txheej txheem kev nyab xeeb kom paub tseeb tias cov tsheb ciav hlau ua haujlwm tau zoo thoob plaws hauv lub network.
Tseem, Jeremy Ferguson, tus thawj tswj hwm ntawm SMART-Transportation Division, lub teb chaws txoj kev tsheb ciav hlau loj tshaj plaws, tau hais tias nws cov neeg ua haujlwm tau hais rau txoj kev tsheb ciav hlau yuav txwv txoj kev tsheb ciav hlau ntev.
Ferguson tau hais tias "Kuv tau pom Norfolk Southern cov ntaub ntawv rau yardmasters [Hnub Monday] sawv ntxov los ntawm thaj chaw uas qhia peb cov tsheb ciav hlau ntev dua 10,000 ko taw tsis hais lub zog faib," Ferguson hais. "Lub tsheb ciav hlau uas derailed rau hnub Saturday twb tau faib lub zog, yog li lawv cov lus hais rau CNBC tsis muaj txiaj ntsig. Kuv yuav hais tias nws yog ib qho zoo txav los ntawm Norfolk Southern kom ua raws li cov kauj ruam hauv kev txo cov tsheb ciav hlau ntev, vim tias cov tsheb ciav hlau ntev dhau lawm. "
Lub tsheb ciav hlau ntev tau yog qhov teeb meem tsis sib haum xeeb rau kev tsheb ciav hlau thiab cov koom haum ua haujlwm hauv kev sib tham. Txoj kev tsheb ciav hlau tam sim no khiav ntawm qhov hu ua precision teem caij tsheb ciav hlau, lossis PSR, uas tau coj mus rau kev tsheb ciav hlau ntev ntev - ntev li peb mais.
Cov tsheb ciav hlau tau teem tseg raws li qhov chaw, tsis yog qhov hnyav, nrog rau kev sib tsoo ntawm thawj qhov chaw ntawm lub taub hau ntawm lub tsheb ciav hlau thiab nyob rau hauv ib ntus kom txog rau thaum qhov kawg poob.
Railroads tau hloov kho lub tsheb ciav hlau ntev nyob rau hauv kev siv zog siv tsawg dua cov neeg thiab txav ntau lub tsheb nrog tsawg locomotives, txo cov nqi thiab ua kom tau nyiaj ntau dua. Tab sis cov koom haum kev tsheb ciav hlau thiab cov neeg siv khoom tau tsa kev txhawj xeeb txog kev nyab xeeb thiab kev pabcuam.
Lub derailment nyob rau hauv Springfield cim qhov thib peb derailment txij thaum Lub Ob Hlis 3 East Palestine tsheb ciav hlau kev puas tsuaj, nyob rau hauv uas cov ntaub ntawv txaus ntshai spilled.
Thaum Lub Ob Hlis 16, 135-tsheb Norfolk Southern tsheb ciav hlau taug kev los ntawm Detroit mus rau Peru, Indiana, derailed kwv yees li 14 mais sab nraum lub vaj hauv Romulus, Michigan. Raws li cov ntaub ntawv tshawb fawb txog qhov xwm txheej ntawd, lub tonnage profile qhia cov tsheb hnyav ntawm lub taub hau ntawm lub tsheb ciav hlau, nyob rau hauv nruab nrab thiab hauv qab, nrog cov tsheb khoob tawg thoob plaws.
Txoj kev derailment tseem tab tom tshawb nrhiav, tab sis raws li ib daim ntawv tshaj tawm kev tshawb fawb ntawm qhov chaw, tib neeg kev ua yuam kev yuav yog ib qho tseem ceeb: "tus kws ua haujlwm tau ntshai thiab siv lub zog hnyav hnyav uas ua rau muaj kev cuam tshuam thaum muaj xwm txheej ceev thiab kev sib tsoo."
National Transportation Safety Board tshaj tawm tias nws tab tom xa cov neeg tshawb xyuas mus rau qhov chaw Springfield.
Tau qhov twg los: https://www.cnbc.com/2023/03/06/norfolk-southern-adjusts-train-safety-after-third-derailment.html