Acoustic modular wall system eliminating waste

Problem Addressed
Construction waste.
According to DEFRA鈥檚 February 2018 edition of UK Statistics on Waste, in 2014 the UK generated 202.8 million tonnes of waste, and construction, demolition and excavation was responsible for 59% of that number ().
The environmental and commercial arguments for mitigating such profligacy are clear, and one significant solution lies in a relatively simple concept 鈥撎materials resource efficiency.
WRAP UK, in their document 鈥楧esigning out Waste: A design team guide for building鈥, state the following:听鈥淯sing materials more efficiently is a highly effective sustainability strategy and involves a balanced approach, ensuring that at each stage of construction materials are used in an efficient manner.鈥澨
WRAP UK identify, in this document, the crucial contribution designers can make in reducing waste through their design and present five key principles to guide them, accordingly:
- Design for Reuse and Recovery
- Design for Off-Site Construction
- Design for Materials Optimisation
- Design for Waste Efficient Procurement
- Design for Deconstruction and Flexibility
Case Study
贰狈骋滨贰鈥檚听ExCEl听District Energy Centre听provides heat and power to the听ExCel听Exhibition Centre听and surrounding听补谤别补听(London鈥檚 Royal Docks),听using听Combined Heat & Power听engines (CHPs).听Airborne sound,听emanating from these engines, was the cause of continuous noise nuisance complaints from the adjoining dwelling-apartments.听Akustak庐 was specified to mitigate the problem, from the Energy Centre side.听
Its modular construction and manoeuvrability听(particularly at height and within confined spaces) made听Akustak庐听a good fit听for this logistically challenging project.听The modules were modified to suit the rigours of an industrial environment, including听a听fire-treated, impact resistant fascia; ensuring the installation is fit-for-purpose, for years to come.听
Pre-completion sound insulation testing听demonstrated that,听following the听Akustak庐听installation,听sound levels听in the adjoining dwelling-apartments, due to the transmission of Energy Centre sound,听met World Health Organisation (WHO) limits,听i.e.听in bedrooms听at night (23:00 to 07:00),听the guidance limit is听30 dB听LAeq,听8h听and for听living rooms and bedrooms听during the day, the guidance limit听is 35 dB听LAeq,听16h.听
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