Preprint Article Version 1 This version is not peer-reviewed

Resource harvesting through a systematic deconstruction of the residential house: a case study of the ‘Whole House Reuse’ project in Christchurch, New Zealand

Version 1 : Received: 3 September 2018 / Approved: 3 September 2018 / Online: 3 September 2018 (13:49:34 CEST)

A peer-reviewed article of this Preprint also exists.

Zaman, A.U.; Arnott, J.; Mclntyre, K.; Hannon, J. Resource Harvesting through a Systematic Deconstruction of the Residential House: A Case Study of the ‘Whole House Reuse’ Project in Christchurch, New Zealand. Sustainability 2018, 10, 3430. Zaman, A.U.; Arnott, J.; Mclntyre, K.; Hannon, J. Resource Harvesting through a Systematic Deconstruction of the Residential House: A Case Study of the ‘Whole House Reuse’ Project in Christchurch, New Zealand. Sustainability 2018, 10, 3430.

Journal reference: Sustainability 2018, 10, 3430
DOI: 10.3390/su10103430

Abstract

This study analyses the case study of a deconstruction project called the ‘Whole House Reuse’ (WHR) which aimed, firstly, to harvest materials from a residential house, secondly, to produce new products using the recovered materials, and thirdly, to organize exhibition for the local public to promote awareness on resource conservation and sustainable deconstruction practices. The study applies characterization of recovered materials through deconstruction. In addition to the material recovery, the study assesses the embodied energy saving and greenhouse gas emission abatement of the deconstruction project. Around twelve tonnes of various construction materials were harvested through a systematic deconstruction approach, most which would otherwise be disposed to landfill in the traditional demolition approach. The study estimates that the recovered materials could potentially save around 502,158MJ of embodied energy and prevent carbon emission of around 27,029kg (CO2e). Deconstruction could eventually contribute to New Zealand’s national emission reduction targets. In addition, the project successfully engages local communities and designers to produce 400 new products using the recovered materials and exhibited to the local people. The study concludes that there is a huge prospect in regard to resource recovery, emission reduction, employment and small business opportunities using deconstruction of the old house. The socio-cultural importance of the WHR project is definitely immense; however, the greater benefits of such projects are often ignored and remain unreported to wider audiences as most of the external and environmental costs have not been considered in the traditional linear economy. It is acknowledged that under a favourable market condition and with appropriate support from local communities and authorities, deconstruction could contribute significantly to resource conservation and environmental protection despite its requirement of labour intensive efforts.

Subject Areas

residential house; deconstruction; resource harvesting; whole house reuse; circular economy

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