A specification can be an effective contractual tool to help achieve green construction. In Hong Kong, a multifarious specification arrangement exists in the construction industry, despite progress being made in the public and private organizations towards green practice. The purpose of this paper is to propose a green specification framework by modeling after established green specification systems.
Three sample work sections of green specification have been prepared for concrete, paint and lighting to represent structural, architectural and building services trades, with which a series of interviews with construction stakeholders was conducted. Assisted by a structured questionnaire, the time, cost, quality and liability implications of the proposed framework were studied.
Apart from minor additional cost, time and liability impacts, which would level off with increasing use of green products and practice, the quality of construction is perceived to be good if the framework is adopted.
The proposed framework embraces the important facets for specifying green construction. A roadmap is also recommended for its sustainable adoption. The methodology and results will be of good reference value for other jurisdictions.
