LOTO - Taron maganin zafi

A shekarar 2020, an sami hatsarin maganin zafi a Amurka, wanda ya yi sanadiyyar mutuwar ma'aikata biyu. Dalilin shi ne ba a bi ka'idojin tsaro na Lock Out Tag Out (LOTO) da kuma Restrictive Space Code ba.

Wannan hatsarin ya nuna mana cewa maganin zafi masana'antu ne mai matuƙar haɗari, ba za a iya raba maganin zafi da ruwa, iskar gas, wutar lantarki, da sauran abubuwa masu haɗari ba. Wasu kayan aiki marasa kyau, rashin kulawa, da sauransu na iya haifar da haɗari mai kisa. Yayin da kariyar muhalli da buƙatun inganci ke ƙara tsananta, kamfanoni da yawa suna siya da amfani da tanderun kashe iska na gaske, waɗanda suka haɗa da amincin tanderun iska da amincin iskar gas mara aiki. Wannan hatsarin ya dawo mana da wani lamari. Hadarin ya faru ne da ƙarfe 9:30 na safe a ranar 17 ga Mayu, 2001, lokacin da wani ma'aikacin gyara ke aiki a kan layin hydraulic a cikin tanderun iska. Tanderun a buɗe yake a gefe kuma yana da tankin kashewa mai tsawon ƙafa 6 a diamita da zurfin ƙafa 9. Da zarar an sanya kayan aikin a cikin ɗaga tankin kashewa, tanderun yana cike da iskar gas ko nitrogen mara aiki maimakon injin. Domin gyara layin hydraulic, an zubar da tankin mai kwana uku da suka gabata kuma an sanya motar a ƙasan tankin kashewa. Mai gyaran ya faɗa cikin tanki mara komai a wurin aiki kuma mai kula da shi ya ji kiran taimako sai ya hau murhu don ƙoƙarin taimaka masa. Abokan aikin da suka ji kiran taimako sun isa wurin da abin ya faru suka tarar da mai gyaran yana kwance a kan lif tare da mai kula da shi yana kwance kusa da shi. A wannan lokacin, ana kunna allon sarrafa wutar lantarki kuma ana kunna makullan argon da nitrogen. Yawanci ana sarrafa fitar da iskar gas ta hanyar bawul ɗin solenoid yayin aikin gyaran zafi. Ba a fayyace dalilin da ya sa ya fara ba ko kuma irin iskar gas da ake turawa cikin tanderun. Daga baya shaidu sun ce makullin da ke cikin kabad ɗin sarrafa wutar lantarki ya nuna iskar argon. Ma'aikatan gyara da masu kula ba sa sanye da kwalkwali ko kebul na tsaro, kuma lokacin da ma'aikatar kashe gobara ta isa a makare don kai su asibiti, rahoton gawarwakin ya ce musabbabin mutuwar shine shaƙa.

Loto, wanda aka rubuta da "lockout-tagout". OSHA hanya ce da ta dace da OSHA don hana raunin mutum ta hanyar ware ko kulle wasu hanyoyin makamashi masu haɗari. An yi amfani da ita sosai a duniya, kuma yanzu ta bayyana a daidai lokacin da ya dace a China. Akwai kuma bayanai masu dacewa a cikin Dokar Samar da Tsaro. Akwai kuma takamaiman tanade-tanaden a cikin ƙa'idar masana'antar maganin zafi ta ƙasa guda ɗaya GB 15735 2012, Bukatun Tsaro da Tsafta don Tsarin Samar da Maganin Zafi na Karfe. Manufarta ita ce kare ma'aikata daga lalacewar makamashin injina, wanda ya shafi kowane ma'aikaci wanda ke buƙatar tuntuɓar ko aiki kusa da injin ko kayan aiki tare da makamashin da aka adana ko aka adana. Hanyar ta musamman ita ce a kulle wutar lantarki lokacin shigar da kayan aikin tsaftacewa na "maintenance \ adjustment \ inspecting \", da kuma nuna cewa ana gudanar da aikin gyara tare da alamar lokacin da makullin bai samu ba, kuma a gwada shi bayan yin aikin da ke sama.