MSC 85/26/Add.2 ANNEX 3 RESOLUTION MSC.268(85) - US Coast ...

MSC 85/26/Add.2ANNEX 3Page 179FERROSILICON25% to 30% silicon, or 90% or more with silicon (including briquettes) (See appendix to thisschedule)DESCRIPTIONFerrosilicon is an extremely heavy cargo.CHARACTERISTICSANGLE OF REPOSE BULK DENSITY (kg/m 3 ) STOWAGE FACTOR (m 3 /t)Not applicable 1389 to 2083(1111 to 1538 for briquettes)0.48 to 0.72(0.65 to 0.90 for briquettes)SIZE CLASS GROUPDiameter: 2.54 mm MHB BHAZARDIn contact with moisture or water it may evolve hydrogen, a flammable gas which may formexplosive mixtures with air and may, under similar circumstances, produce phosphine and arsine,which are highly toxic gases.This cargo is non-combustible or has a low fire-risk.STOWAGE & SEGREGATIONSegregation as required for class 4.3 materials. “Separated from” foodstuffs and all class 8liquids.HOLD CLEANLINESSClean and dry as relevant to the hazards of the cargo.WEATHER PRECAUTIONSThis cargo shall be kept as dry as practicable before loading, during loading and during voyage.This cargo shall not be loaded during precipitation. During loading of this cargo all non-workinghatches of the cargo spaces to which this cargo are loaded or to be loaded shall be closed.LOADINGTrim in accordance with the relevant provisions required under sections 4 and 5 of the Code.Stow evenly across tanktop s. Refer to the appendix to this schedule.PRECAUTIONSThe manufacturer or the shipper shall provide the master with a certificate stating that, aftermanufacture, the cargo was stored under cover, but exposed to open air for not less than threedays prior to shipment.VENTILATIONContinuous mechanical ventilation shall be conducted during the voyage for the cargo spacescarrying this cargo. If maintaining ventilation endangers the ship or the cargo, it may beinterrupted unless there is a risk of explosion or other danger due to interruption of theI:\MSC\85\26-Add-2.doc