Technical Booklet K Ventilation·Page 64·B6
Coordination with Technical Booklet E for emergency egress windows
Where Technical Booklet E includes provisions for emergency egress windows, the larger requirement from either Technical Booklet E or K applies.
It should be noted that Technical Booklet E includes provisions for the size of emergency egress windows. The larger of the provisions in Technical Booklet E or K should apply in all cases.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet K - Ventilation.pdf