Vessel Analysis: Ensuring Metal Concentrate Cargo Stability The Need The “Code for Safe Practice for Solid Bulk Cargoes” provides rules of safe practice for the shipment of bulk cargos by ship. One of the rules is to ensure the materials in the holds have sufficient time to settle and are stable before proceeding out of port. Bulk cargo carriers have been known to list and even sink as a result of unstable cargo – especially in inclement weather. The metal concentrate producer understood the risks and was aware of the concern. However the codes give no specific guidelines on how long to wait to ensure a fine, dry concentrate has properly settled and no longer presents a risk of being unstable. Waiting too long presents costly time lost at the port so there is substantial pressure to de

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