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Title: On the study of the credit-weighting scale in a building environmental assessment scheme
Authors: Lee, WL 
Chau, CK 
Yik, FWH
Burnett, J
Tse, MS
Keywords: Carbon dioxide emission
Environmental assessment method
Least cost planning
Weighting scale
Issue Date: 2002
Publisher: Pergamon Press
Source: Building and environment, 2002, v. 37, no. 12, p. 1385-1396 How to cite?
Journal: Building and environment 
Abstract: A major strength of the voluntary building environmental assessment method is to encourage good environmental practice beyond the current industry practice. For a successful voluntary scheme, the credit scale must be attractive to investors and performance-based criteria should be used. However, most of the current schemes use a combination of prescriptive and performance-based criteria, and credits are allocated using subjective judgement, irrespective of cost and practical implications of attaining improved performances. This is pointed to the need to establish an incentive-crediting scheme, which is oriented towards performance-based scales having credits linked to cost and performance. In formulating the incentive-crediting scheme, the cost effectiveness of different energy-saving level in a base building is investigated under the premise that the investors would pursue a strategy in the most cost-effective manner. This paper presents a conceptual framework for policy makers to formulate an incentive-crediting scale for accrediting criteria within the greenhouse gas objectives of a building environmental assessment scheme in Hong Kong, aiming to attract participation of the profit-maximising investors. Establishment of an incentive-crediting scale starts from developing a carbon dioxide abatement curve for greenhouse gas emission. This is subsequently followed by dividing the maximum energy-saving potential into ten equal energy reduction intervals. The incentive-crediting scheme is formulated on a basis that proportionally more credits would be rewarded for diminishing investment return of consecutive reduction levels in a base building.
ISSN: 0360-1323
EISSN: 1873-684X
DOI: 10.1016/S0360-1323(02)00006-9
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