Ceiling void module
Offsite residential construction, Glossary of terms, published by Buildoffsite in 2018, defines a combined and single service horizontal rack (or ceiling void module) as: ‘Integrated ductwork with pipe work and cable management support trays into a multiservices module mounted in the ceiling or under the floor. Usually constructed as an open frame structure, which reduces the overall weight of each section. Horizontal distribution has been in use for many years, but more recently mechanical ducting or pipework systems/modules are usually combined with electrical service distribution. Often ‘supply and fit’, these systems are fully manufactured offsite in factory conditions. While the pipework or ducting can be tested in the factory the system once connected must be systemtested and commissioned onsite. Modules should be constructed to give ease of access in the long-term. Examples have shown that two operatives can install over 90 m of pipework and over 45 m of cabling support in one day.’
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