Report No. : GEO Report No. 213

Report Title : Review of the 11 August 2005 Landslide below Block J of Princess Margaret Hospital, Kwai Chung (2007), 63 p.

Author : Maunsell Geotechnical Services Limited

Abstract

This report presents the findings of a review of the landslide (Incident No. 2005/8/0279) that occurred on the hillside below Block J of Princess Margaret Hospital, Kwai Chung at 5:00 a.m. on 11 August 2005. The incident was probably triggered by the leakage of water from a 150 mm diameter buried fresh water pipe behind the hillside. As a result of the landslide, Lai King Hill Road was closed completely until 12:40 a.m. on 12 August 2005.

The key objectives of the review were to document the facts about the landslide incident, including the site development history, the installation and maintenance records of the water-carrying services and the pertinent observations of the landslide made under this review. Except for the excavation of shallow inspection pits for the purpose of locating and inspecting the suspected leaky water pipe, the scope of the review does not include any detailed ground investigation. The review does not contain detailed diagnosis of the causes of the incident. Recommendations for follow-up actions are reported separately.

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