Considering QCDD Guidelines;
As per QCD-GA 1.2, if Electrical room < 5.1sqm and with 2-hrs enclosure, then Automatic Suppression system is NOT required.
As per QCD-GA 1.2, if Electrical room > 5.1sqm, then Automatic Suppression system is required. The wall enclosure fire rating doesn’t need to be 2-hrs as per below table;
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