Nilefos Minerals Limited:  Phase I: Phosphate  Rock Beneficiation Cost
S. No Item Details Cost per mt
of concentrate US $
1 Phospate rock Mining Cost 1000mt/day phosphate rock; 200mt/day concentrate                                                    1.71  
2 Transport cost from mine to beneficiation plant For transporting 1000 mt  over approx 2.5km distance                                                   2.08   [1]
3 Power 1200kW connected power at 90 % loading factor  including power required outside plant limits                                                 15.55   [2]
4 Labour cost 28 Workers, 14 staff & one manager                                                   2.57   [3]
5 Water 55 m3/hour                                                   1.89   [4]
6 Chemicals Qty as per IMMT recommendations                                                   0.50   [5]
7 Drying cost For drying from 7-8%  moisture to 1-2% moisture                                                   8.00   [6]
8 Handling cost of tailings 475 mt per day  of 20 % moisture content magnetite and 890 mt per day of 50 % moisture content tailings to be removed                                                  10.00   [7]
9 Bagging Jumbo bags of 1000 Kg                                                   5.00   [8]
11 Fixed cost Administrative charges and other overheads presumed                                                 10.00   [9]
Total Cost Cost per mt of concentrate                                                 57.31  

[1]
INR 3.5/km per mt x 5 km x1000 mt/(200 x42) = US $ 2.08  (India based costing)
 (to be negotiated to $ 1.5 for long term contract)
[2]
0.12US$/kWh
[3]
Workers     US$ 200/month
Staff            US$ 1000/month
Manager    US$  2000/ month.
[4]
water cost is INR12/m3
[5]
Quantity is small hence assumed
[6]
(1000 x 0.4 x 80 +1070 x 0.07 x 540) / (10000 x 0.8) = 8.3335 Kg of fuel oil required to dry 1mt of concentrate
@INR40/kg fuel = 8.3335 x 40/42 = 7.94US$/m3

[7]
Tailing dam considered for 5 years in capex. The cost is allocated annually@ INR  2.52 Crores, since this is a  recurring expense
[8]
estimated
 (only cost of bag considered.)
[9]
Administration and other overheads like
1. expenses of administration  office

2. part salary loading of seniors involved

3. local transport, accommodation ,  staff welfare

4. government  fees for statutory requirements and liaison with  local and government officials etc. :