 Fluor
Daniel
PT Newmont Nusa Tangarra
Sumbawa, Indonesia
Roberts & Schaefer supplied engineering, supply, and commissioning
services in this two-phase project for PT Newmont Nusa Tangarra
in Sumbawa, Indonesia. For phase one, R&S provided a copper
concentrate ship-loader feed conveyor and ship-loader, while for
phase two, R&S furnished a 440 tph coal barge unloading and
stockpiling system.
 Fed
by front-end loaders, two variable-speed reclaim feeders feed
the 1,450 tph, 36-inch wide, 1,417-foot long copper concentrate
conveyor. The conveyor, located in the copper concentrate building,
feeds the ship-loader. The ship-loader slews through a 285-degree
arc and incorporates a shuttling type boom and conveyor. The boom
can reach from 41 feet to 135 feet from the ship-loader pivot and
transports copper concentrate through a telescoping spout. An
onboard operator's cab includes a radio control unit for remote
operation.
The coal barge conveyor includes a 165-foot unloading conveyor
with a hopper fed from a front-end loader located on the floating
dock. The conveyor, which pivots to allow vertical movement with
the tide, feeds a 2,160-foot long stockpiling conveyor with a
stacking tube at the head end. A control panel near the dock operates
the conveyors.
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