The paper describes the different types of information in the computerised Slope Information System (SIS) which contains pertinent information on some 54,000 man-made registered slopes in the Hong Kong Government Slope Catalogue. The SIS stores over 11 million slope data in some 30 information layers, including slope geometry, slope conditions, maintenance responsibility, past landslide incidents, previous ground investigation, drains and water pipes, geology and district information and slope photographs. Since its launch in 1999, the SIS has become a principal source of slope information for professionals, academics, slope owners and their agents in the planning and management of maintenance and upgrading works for their slopes. Slope information in the SIS is now readily available to public users through the INTERNET in the Hong Kong Slope Safety Website (http://hkss.ced.gov.hk). and to government users through dedicated workstations in the Civil Engineering Building and the Government INTRANET. The provision of free and easy access to comprehensive slope information to the public is a principal element of the Hong Kong Slope Management System. The SIS has become the key player in the GEO public information services to the community.
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