If fans of electrical

F.4.3 If fans of electrical explosion protection type are required, the fan openings on deck are to be
fitted with fixed protective screens with mesh size not exceeding 13 mm.
F.4.4 The fans of electrical explosion protection type must be of non-sparking design, see D.6.2 and
D.6.3.
F.4.5 For the area around ventilation openings requiring explosion protection, see F.1 and F.2.
F.4.6 If adjacent spaces are not separated from cargo spaces by gastight bulkheads or decks, then
they should be considered as part of the enclosed cargo space and the ventilation requirements should
apply to the adjacent space as for the enclosed cargo space itself.
F.4.7 For open top container holds the mechanical ventilation is interpreted to be required only for
the lower part of the cargo hold for which purpose ducting is required.
F.5 Solid dangerous goods in bulk and materials hazardous only in bulk
F.5.1 The requirements on the capacity of the ventilation system, the certified safe type of electrical
explosion protection, the electrical protection and mechanical design are summarised in the GL Rules for
Machinery Installations (I-1-2), Section 12, Q, Table 12.11 and are related to the requirements indicated