If all hollow core slabs are exposed without any false ceiling how should electrical cables, pipes and sprinkler systems be installed?
In a hollow core slab, there are normally five cores, sometimes four or six cores. Three are used for TermoDeck. So there are 1-3 cores which can be used for electricity cables and other pipes such as sprinklers. Cables are often placed in the top screed on top of the slab (A screed of 50mm site-cast concrete is typically used in most markets to finish the top surface. This is done in the same way as for all buildings using hollow core slabs. Sprinklers can be placed under the slabs. If the architect doesnt want them to be exposed they can be hidden above a false ceiling (See item 1 about false ceiling requirements) or in the wall facing the corridor.
