Republička administracija za inspekcijske poslove, Banja Luka, Bosnia Herzegovina
U radu su prezentirana dva modela za optimizaciju diskontinualnog transporta otkrivke na površinskom kopu "Bogutova Selo" Ugljevik do kraja vijeka eksploatacije kopa (2017. godine). Model za optimizaciju tehničko-tehnoloških paraetara sistema razvijen je u simulacionom jeziku GPSS/H i PROOF simulacionom paketu. Verifikacija i validacija razvijenog modela je izvršena na osnovu statistički određenih podataka sa površinskog kopa u proteklom periodu. Ekonomski model je razvijen u softverskom paketu Xeras (Runge) i obrađuje očekivani tok prihoda, troškove kapitala za novu opremu, operativne troškove opreme, rukovaoca i radnika na održavanju. Model upotrebom DCF analize definiše: NPV neto sadašnju vrijednost dobiti, IRR (internu stopu povrata) i DAC (diskontovane prosječne troškove) procesa transporta otkrivke na PK "Bogutovo Selo" Ugljevik.
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