Inkqubo yokukhutshwa / yokupakisha (LOTO) inkqubo yokhuseleko isetyenziswe ukukhusela ngengozi okanye ukungagunyaziswa okungagunyazisiyo kwimithombo yamandla kagesi eqhubekayo kulondolozo okanye omnye umsebenzi. Kule nkqubo ekhuselekile, bonke abantu abasebenza kwi-circuit okanye izixhobo ezifanayo banesimbolo sabo sokuzikhusela ukuba bakhusele kwidivaysi yokunqakraza ngaphambi kokusebenza kwenkqubo. Inkqubo ye-LOTO idinga ukuba umsebenzi ngamnye azalise iteksi exhonywe kwikhekhi, kuquka igama labo kunye nenkcazo yomsebenzi abenzayo.
Xa iinkalo ezininzi zisebenza ngxeshanye, umqeshwa kufuneka asebenzise ezininzi zokukhiya njengoko kuyimfuneko ukukhusela amandla ukusuka kwinkqubo.
Inkqubo yokuCima iSiseko / iNkqubo yokuTyhulwa
Inkqubo yokuvala ikota / inkqubo yokumotela iqalisa ngokuchonga yonke imithombo yamandla enokwenzeka ukuba izixhobo zisebenza. Ezinye izixhobo zondliwa kuphela ngotshintsho olulodwa, ngelixa ezinye izixhobo zingabandakanya ama-capacitors okanye amabhetri okugcina okufuneka akhutshwe okanye angaxhunyiwe ukuqinisekisa ukuba isixhobo asifumani amandla.
Ngaphambi kokuba umsebenzi ogunyazisiweyo avimbe umgca okanye isiphaluka, kufuneka aziwe ngokupheleleyo ngohlobo kunye nobukhulu bomsebenzi oza kwenziwa. Umqeshwa kufuneka aqonde ukuba izingozi zamandla okuvalwa kunye nendlela yokulawula amandla. Amanyathelo ayisisiseko kwinkqubo yokukhutshwa / yokutyikitya ingabandakanya oku kulandelayo:
- Lungiselela ukuvala: Bonke abasebenzi kuloo ndawo bayakwaziswa ngokuvalwa kombane kunye nokukhishwa kwenkqubo yentengiso.
- Ukuvalwa komatshini: Umatshini okanye izixhobo ezixhunywe kumgca weenkonzo okanye isiphaluka ziyacinywa ukukhusela ingozi kubasebenzi ngenxa yezixhobo zokunciphisa amandla. Ukutshintshwa kombane akufanele kususwe ngexesha lophantsi komthwalo, ngenxa yokuba kunokwenzeka ukuqhuma okanye ukutshabalalisa.
- Izixhobo ezizimeleyo: Zonke iitshintshi, ukuxhuma, okanye ukwahlukanisa izixhobo ezifunekayo ukulawula umatshini kufuneka zifakwe kwaye zisebenze ukwenzela ukuba izixhobo zingekho kumthombo wamandla (ukunikezelwa kwamandla kuvaliwe).
- Ukukhutshwa / umatshini: ngamnye msebenzi oza kusebenza kwisixhobo usebenzisa i-lock kunye ne-tag kwisixhobo sokukhiya. Yonke inkonkco kunye nethegi kufuneka ibonise igama lomntu ovalele izixhobo. Iifowuni kunye namathegi kufuneka zilungiswe ngumbala, imilo, okanye ubungakanani.
- Amandla agciniweyo: Wonke amandla agciniweyo (afana nombane ogcinwe kuma-capacitors okanye kwiibhetri) kufuneka akhutshwe, anganqanyulwa, kwaye / okanye avinjelwe kwaye anikwe ukhuseleko. Abasebenzi mabaqinisekise ukuba akukho nto yokuqokelela amandla okugcinwa kwamandla.
- Ukuqinisekiswa kokuzihlukanisa: Izixhobo ezixhasiweyo zihlolwe ukuba ziqinisekise ukuba akukho mandla akhoyo. Abasebenzi bangasebenzisa ukutshintsha okanye olunye ulawulo oluqhelekileyo ukuqinisekisa ukuba yonke imithombo yamandla ikhutshiwe kwaye izixhobo aziyi kusebenza.
Ukukhululwa kwiCrockout / Tagout
Kukho namanyathelo athile okugqiba emva komsebenzi kwisixhobo siphelile kwaye phambi kokuvala kunye namathegi asuswe. Abasebenzi kufuneka bahlole indawo yokusebenza ukuqinisekisa ukuba zonke izinto zisuswe kwisixhobo kwaye zonke izixhobo ezikhuselekileyo kunye nezixhobo zokukhusela zibuyele endaweni. Bonke abasebenzi kuloo ndawo mabaqaphele ukuba amandla aya kugqitywa. Bamele bagcine umgama okhuselekileyo kwizinto ezisetyenziswayo xa kwenzeka nayiphi na ingxaki xa amandla ebuyela.
Ukugqiba inkqubo yokuvala / yokumakisha, zonke iiskhi kunye nezixhobo zokucima (njengoko zifunekayo) zisuswe ekutshintshisweni okanye kwisixhobo sokuzimela, esibonisa ukuba umsebenzi ophelileyo unikezela igunya lokuvuselela umgca.