Technical Booklet E Fire Safety·Page 101·Table 4.3
Table 4.3: Limitations of fire-protecting suspended ceilings
Table specifying the types of fire-protecting suspended ceilings permitted based on building height, floor compartmentation, and required fire resistance duration. It defines four ceiling types (W, X, Y, Z) with material and combustibility requirements.
Table 4.3 Limitations of fire-protecting suspended ceilings
Height of building or separated part (m) | Type of floor | Fire resistance of floor required by Table 4.2 (minutes) | Type of suspended ceiling (see notes)
Less than 18 | Not compartment | 60 or less | W, X, Y or Z
| Compartment | Less than 60 | X, Y or Z
18 or more | Any | 60 or less | Y or Z
No limit | Any | More than 60 | Z
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet E - Fire Safety.pdf