Direct Reduced Iron (d)
DIRECT REDUCED IRON (D)
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 202, 203, 204, 205, 206
Discharge
The hydrogen concentration in the relevant cargo hold atmospheres shall be measured immediately before any action to open the hatch covers is undertaken. If the hydrogen concentration is greater than 1% by volume (25% LEL), hatch covers shall not be opened. Additional ventilation shall be applied until the hydrogen concentration falls to or below 1% by volume. Special attention shall be given to the opening of hatch covers, in order to avoid sparks being generated. If in doubt, expert advice shall be sought. The cargo in a hold may be discharged during precipitation, provided that the total amount of the cargo in such hold is: (1) to be discharged in the port; and (2) not to be transferred to another ship. Otherwise, during precipitation, all cargo operations shall be suspended and hatches of holds containing this cargo shall be closed. Monitoring of the hydrogen concentration in those holds containing this cargo shall be resumed.
Clean-up
Accumulations of dust from this cargo on deck or in proximity to cargo holds shall be removed as quickly as possible. Hosing with seawater shall be avoided. Consideration shall be given to carefully cleaning exposed radio communications equipment to which dust from the cargo might adhere, such as radar, radio aerials, VHF installations, AIS and GPS.
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