Technical Booklet E Fire Safety·Page 98·Table 4.2 Note (4)
Criteria for open-sided car parks
Open-sided car parks must comply with specific paragraphs 4.49 and 4.50 to qualify for the reduced fire resistance periods specified in the table.
Car parks which comply with paragraphs 4.49 and 4.50.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet E - Fire Safety.pdf