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Refurbish or Replace: Optimizing Refurbished and New Building Designs for Life Cycle Carbon Footprint and Life Cycle Cost Minimisation

Schwartz, Y; Raslan, RM; Mumovic, D; (2018) Refurbish or Replace: Optimizing Refurbished and New Building Designs for Life Cycle Carbon Footprint and Life Cycle Cost Minimisation. In: (Proceedings) Building Simulation and Optimization 2018, 4th IBSPA Conference. IBPS - England: Cambridge, UK. Green open access

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Abstract

The refurbishments and replacements of existing buildings can significantly contribute to CO2 emissions reductions in the built environment. This paper presents and tests a novel approach for supporting the decision-making process in assessing the performance of refurbished buildings and their replacements, to achieve life-cycle CO2 emissions reductions in the most economically viable way. The proposed method, incorporating generative design scripting, dynamic thermal simulations and Genetic Algorithms optimsiation, successfully identified a set of pareto-optimal models, which achieved minimal life cycle carbon footprint and a minimal cost. Findings indicate that optimal refurbishments can achieve between 7-38% lower CO2 emissions, over an assumed life span of 60 years, and cost between 5-20% less than optimal replacements.

Type: Proceedings paper
Title: Refurbish or Replace: Optimizing Refurbished and New Building Designs for Life Cycle Carbon Footprint and Life Cycle Cost Minimisation
Event: Building Simulation and Optimization 2018, 4th IBSPA Conference
Location: Emmanuel College, University of Cambridge
Dates: 11 September 2018 - 12 September 2018
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.ibpsa-england.org/IBPSA-England-Confer...
Language: English
Additional information: This version is the author's accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10057504
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