Ngo-2020, kwaba nengozi yokwelashwa ngokushisa e-United States, okwaholela ekufeni kwabasebenzi ababili. Isizathu kwakuwukuthi izinqubo zokuphepha ze-Lock Out Tag Out (LOTO) kanye ne-Restricted Space Code azilandelwanga.
Le ngozi isitshela ukuthi ukwelashwa kokushisa kuyimboni eyingozi kakhulu, ukwelashwa kokushisa akukwazi ukuhlukaniswa namanzi, igesi, ugesi, nezinye izinto eziyingozi zikhona yonke indawo. Okunye ukusetshenziswa kabi kwemishini, ukunganaki, njalo njalo kungaholela engozini ebulalayo. Njengoba ukuvikelwa kwemvelo nezidingo zekhwalithi ziba nzima kakhulu, amabhizinisi amaningi athenga futhi asebenzise izitofu zokucima umoya zangempela, ezihilela ukuphepha kwezitofu zokucima umoya kanye nokuphepha kwegesi engasebenzi. Le ngozi isibuyisela kwelinye icala. Ingozi yenzeke ngo-9:30 ekuseni ngoMeyi 17, 2001, lapho isisebenzi sokulungisa sasisebenza entanjeni ye-hydraulic esithandweni se-vacuum. Isithando somlilo sivulekile eceleni futhi sinethangi lokucima elinobubanzi obungamamitha ayi-6 kanye nobubanzi obungamamitha ayi-9. Uma umsebenzi usufakwe esitofini sethangi lokucima umoya, isithando somlilo sigcwaliswa ngegesi engasebenzi noma i-nitrogen esikhundleni se-vacuum. Ukuze kulungiswe umugqa we-hydraulic, ithangi likawoyela lakhishwa amanzi ezinsukwini ezintathu ezedlule futhi injini yafakwa phansi kwethangi lokucima umoya. Umlungisi wawela ethangini elingenalutho emsebenzini kanti umphathi wakhe wezwa ubizo losizo wagibela esitofini ukuze azame ukumsiza. Ozakwabo abezwa ubizo losizo bafika endaweni yesigameko bathola umuntu olungisa izinto elele esitofini nomphathi elele eceleni kwakhe. Kuleli qophelo, iphaneli yokulawula isithando iyavulwa futhi izinkinobho ze-argon ne-nitrogen ziyavulwa. Ukukhishwa kwegesi kuvame ukulawulwa yi-solenoid valve ngesikhathi senqubo yokwelapha ukushisa. Akucaci ukuthi kungani iqalile noma uhlobo luni lwegesi olwalupompelwa esitofini. Ofakazi bakamuva bathi iswishi ekhabhinethini yokulawula kagesi yayikhomba kugesi we-argon. Izisebenzi zokulungisa kanye nabaphathi babengagqokile izigqoko noma izintambo zokuphepha, futhi ngesikhathi umnyango womlilo ufika sekwephuzile ukubayisa esibhedlela, umbiko wokuhlolwa kwesidumbu uthe imbangela yokufa kwakuwukungakwazi ukuphefumula.
I-Loto, ebhalwe ngokuthi i-lockout-tagout. I-OSHA iyindlela ehambisana ne-OSHA yokuvimbela ukulimala komuntu ngokuhlukanisa noma ukukhiya imithombo ethile yamandla eyingozi. Isetshenziswe kabanzi emhlabeni, futhi manje isivele ngesikhathi esifanele eShayina. Kukhona nezincazelo ezifanele eMthethweni Wokukhiqiza Ukuphepha. Kukhona nezinhlinzeko ezithile ku-standard kuphela kazwelonke yokwelapha ukushisa okuphoqelekile i-GB 15735 2012, Izidingo Zokuphepha Nokuhlanzeka Zenqubo Yokukhiqiza Ukwelashwa Kokushisa Kwensimbi. Inhloso yayo ukuvikela abasebenzi ekulimaleni kwamandla omshini, okubandakanya wonke umsebenzi odinga ukuxhumana noma ukusebenza eduze komshini noma imishini enamandla noma agciniwe. Indlela ethile iwukuvala ugesi lapho kufakwa imishini yokuhlanza \ yokulungisa \ yokuhlola \ yokulungisa, nokukhombisa ukuthi umsebenzi wokulungisa wenziwa ngethegi lapho ilokhi ingatholakali, nokuzama ngemva kokwenza umsebenzi ongenhla.
Isikhathi sokuthunyelwe: Juni-19-2021
