E LE C t R oMa GNE t IC EM W IRE Ro PE tE s t ING F o R t HE MINING IND us t R y F err omagne tic st eel wir e r ope f ound in lock ed c oil and plastic c oa t ed r opes ar e susc ep tible t o c orr osion w ear and shifts in r ope structur e Electr oM a gne tic EM Instrumen ts can de t ect bo th e xt ernal and in t ernal de t erior a tion pr o viding r eliable da ta t o r ead the L ocal F ault LF pa tt erns and L oss o f M e tallic Cr osssectional a r ea LM a b r ok en wir es la y dist ortion in t er str and nicking e xt ernal w ear or c orr osion pitting can cause LF pa tt erns Combi ned LF and LM a r esults help engineers De t ermine when a st eel wir e r ope surpasses its sa f e w orking lif e and should be r emo v ed E stima t e the L oss o f b r eaking s tr ength L bs o f f or a st eel wir e r ope P orta ble EM Instrumen ts bring st eel wir e r ope t esting on sit e t hese instrumen ts c onsist o f tw o in t er c onnect ed c omponen ts t est H ead thr ough which the r ope tr a v els Console which displa y s the t est r esults F ea tur es R egula r nondestructiv e EM Instrumen t t esting c ombined with visual inspections pr o t ect against de t erior a tion and ensur es sa f e ty f or st eel wir e r opes t his tw o f old me thod is the most ac cur a t e w a y t o assess the c omple t e c ondition o f st eel wir e r ope b y doing so engineers can tr ack a r ope s r a t e o f de t erior a tion tak e pr e v en ta tiv e measur es t o slo w it do wn or decide when t o r eplac e it P REVE n T A T i VE S AFET y Pr o t ectin g against st eel wir e r ope de t erior a tion r equir es tw o essen tial st epsr egular nondestructiv e EM Instrumen t t esting f ollo w ed b y visual inspections t his tw of old me thod pr o vides the most ac cur a t e assessmen t o f a st eel wir e r ope s c omple t e c ondition and whe ther it needs t o be r eplac ed Consist en t da ta c ollections can tr ack a r ope s r a t e o f de t erior a tion and r e v eal st eps t o pr e v en t or slo w it do wn In man y jurisdictions go v ernmen t r egula tions r equir e under gr ound mining oper a tions using st eel wir e r opes t o c onduct r egular EM t esting