PDF COSTS AND COST ESTIMATION Chapter NUBE MINERA
See Fig. for mill crew vs. mill process and size. The number of service personnel Ns v may be estimated as a percentage of the total mine and mill personnel as shown below: Nsv = % of (Nmn + Nm l) for medium and large underground mines that are mechanized in drilling and ore transport = % of (Nmn + Nm l) for small and