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What are the modern methods of construction?


THE TERM 'Modern Methods of Construction' embraces a variety of techniques, most, though not all, of which involve off-site production.The Housing Corporation has identified five basic types:

nVolumetric: This involves the manufacture of threedimensional units in factory conditions for delivery to site.

Some units are delivered with all internal and external finishes and services installed.

nPanellised: Flat panel units are produced in a factory and assembled on site.These may be 'open' panels or frames to which services, insulation and internal and external cladding is fixed on site, or fully-finished panels containing more factory fabrication.

nHybrid: A combination of panellised and volumetric units - typically with the more highly-serviced and repeatable elements (such as bathrooms) supplied as 'pods'.

nSubassemblies and components: Construction methods that incorporate factory-made subassemblies, such as floor cassettes or precise concrete foundations, within otherwise traditional structures can also be classified as MMC.

nNon-off-site: Not all MMCs are factory-based. Some, such as those employing lightweight concrete and 'thin-joint' mortar construction, are site-based.