Ann: Firefly Scheme and Westgold Offer Update, page-57

Hey all, interesting discussion on the transportation costs. Some really informative and thought provoking posts all round.
Did a little a research on the transport topic myself today. I like to get a better understanding on transportation costs since this will have a large impact on GCY's profitability going forward. Here's what I found for what it's worth....

The dump truck used by the NRW Dalgaranga operation is the Caterpillar 785C.
Here is a picture from GCY's website gallery.


Here is some technical info regarding payload, top speed etc




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Back of the envelope calculations...
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There is conflicting fuel consumption given on different sites but the range is somewhere between 100 to 130 liters per hour with a 140 ton full payload.

Travel there and back estimate = 6 hours
Diesel $1.80 per liter
115 liters (mid estimate) per hour
6 hours x 115 litres = 690 litres
690 litres x $1.80 per litre = $1242 fuel cost
Wage 7 hours x $80 per hour = $560
Margin for NRW 20% = $1802 + 20% = $2160 per round trip

Payload 136 tons x 1.4g/t = 190.4 grams per trip
1 oz = 19g
190 / 19 = 10oz per trip
per round trip $2160 / 10oz

Transport cost estimate $216 per ounce


136 tons x 1.4 = 190 gram
$2160 / 190 grams = $11.36 per gram per round trip
$11.36 / 220km = 5.25c
cost 5.25 cents a gram per kilometer travelled

Obviously this is a ballpark figure but anywhere from $200 to $300 per ounce seems fairly economically still.
By the time you throw in Mining Costs and Processing Costs, the cash cost should sit well below $1000 per ounce.

136 tons x tons mined (double above estimate)$8.66 = $1177
136 tons x Processing $15.00 = $2040
136 tons x G&A $2.61 = $355
136 tons x transport = $2160
136 tons total cost = $5732
136 tons at 1.4g per ton = 10 ounces
$5372 / 10 ounces = $573.20
Cash costs per ounce from Melville = $573.20

As mentioned this is back of the envelope so if I'm missing anything would love to know..

DYOR
GLTAH