34 PROJECT REPORT: MODERN METHODS OF CONSTRUCTION


the gate improves construction quality, “extending the longevity of the building.”


An approximate 60% reduction in labour onsite compared to a traditional build reduced workers’ exposure to high-risk activities, while the 300 factory staff all live locally, experiencing benefi ts for worklife balance. The workforce is much more settled than on a traditional site, where people tend to be travelling longer distances to and from work each day. That’s a huge benefi t; our staff retention is incredibly high,” says Farrell.


Advocates of MMC, including 3D volumetric, panellised systems and more, argue that it can play a key role in addressing the UK’s housing shortage, helping meet ambitious targets set by the Government. And while the offsite sector has taken a battering of late, with several large companies facing collapse and closure, the impressive state of high-rise construction in Croydon provides an encouraging example of what can be achieved when things work well. To that end, Tide, ision and


TA Design are collaborating on the design of another upcoming twin-tower volumetric scheme in the town, One Lansdowne Road, which gained planning permission at the end of last year.


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TIDE BRINGS IN 40% EXTRA SUSTAINABILITY WITH MODULAR


Tide’s volumetric modular approach not only unlocks effi cient construction, it can also deliver signifi cant carbon savings, research has revealed. A study of two volumetric modular


metre across all aspects of design, construction and decommissioning, excluding operational energy. The Life Cycle Assessment was based on as-built information and carried out in accordance with the latest carbon assessment guidelines and applicable international standards, plus the Royal Institute of Chartered Surveyors’ 2017


residential schemes constructed by the developer, carried out by academics from the University of Cambridge and Edinburgh Napier University, found that whole life embodied carbon was cut by at least 40% compared with equivalent reinforced concrete buildings. The projects were the Valentine, a 333-bed, 10-storey student accommodation tower in Gants Hill, London, and Ten Degrees, 546 homes spread across two high-rises in Croydon – opposite the College Road project. Researchers assessed whole-life embodied carbon, measured by calculating CO2


emissions per square


Professional Statement on Whole Life Carbon Assessment for the Built Environment. The results were compared with


alternative notional scenarios for functionally equivalent buildings constructed using traditional reinforced concrete construction. Whole-life embodied carbon for


the Gants Hill scheme was 552 kgCO2 m2


the notional scenario, a 45% reduction. Whole-life embodied carbon for the George Street development was 717 kgCO2


, compared to 998 kgCO2e/m2 e/m2


the notional scenario, a 41% reduction. The results compared favourably to


, versus 1,220 kgCO2e/m2


carbon targets set by the Royal Institute of British Architects (RIBA) and the London Energy Transformation Initiative (LETI), for 2025 and 2030. According to the study, the vast


majority of whole life embodied carbon (roughly 87% of The Valentine and 85% of Ten Degrees) was associated with the production stages preceding construction. The construction stages accounted for less than 3% and 1%, respectively. The modules were responsible for


around half of total project carbon up to construction completion on both schemes, making them the largest contributor overall.


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