45 also possible to locate the manufacturing facilities in lower economies, which improves regional development and reduce overall labour costs. OSM will reduce preliminaries costs by shortening project duration. OSM can offer the standardisation required for the economies of scale but now OSM can also offer increased flexibility and customisation by the use of computer modelling, BIM and greater customer engagement – in the same way the car industry does. Because the OSM product is much more predictable in its construction and performance, it will allow much more accurate Home Performance Labelling. This will give purchasers a much greater level of energy and running cost information when they buy a new property. Long term cost reduction can be achieved through OSM. Labour is always a very significant component part of the overall cost of a building. OSM factory-based work can achieve three times the productivity of site labour, thereby potentially reducing the labour cost. Strangely, it is the residential sector that has been the slowest to embrace OSM, but this is likely to change. If we, as a nation, are to build the numbers of homes we need over the next 20 years, we will need to use every means available. The combined residential development industry currently has a capacity of about 140,000 homes per year. We need to develop 200,000 homes per year, as a minimum, and we will need the additional homes that can be developed using OSM in order to make up that shortfall. There will be hurdles, challenges and problems Mar City Homes specialises in modular construction to build homes shown in these phorographs to solve ahead but unless we in the residential development industry begin to embrace OMS we will not move forward significantly on the quality of our product, we will not move forward significantly in terms of energy performance and perhaps most importantly, we will fall short of the national target for homes.
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