Several research methods were used to develop and validate
LUDS, comprising a comprehensive literature review, document
analysis, interviews with experts, focus group meetings, experimental
study and questionnaire survey. These were conducted in
three phases as illustrated in Fig. 1. The literature review of LUSA
and sustainable site planning was necessary to determine current
research progress in site analysis and to identify indicators for
sustainable site planning, i.e. key factors affecting land-use decisions
in site redevelopment. Document analysis was employed to
supplement this by taking into account local planning practice. This
involved reference to official documentation issued in Hong Kong,
including relevant policies on land use and urban development,
land-use administrative regulations, and planning standards and
guidelines.