Guide to Slope Maintenance






GUIDE TO

SLOPE MAINTENANCE

GEOTECHNICAL ENGINEERING OFFICE

Civil Engineering Department

The Government of the Hong Kong

Special Administrative Region



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1. INTRODUCTION

1.1 PURPOSE AND SCOPE OF THIS GEOGUIDE

Regular maintenance is essential for all man-made slopes and retaining walls,

disturbed terrain features and natural terrain hazard mitigation measures to avoid deterioration

or to upkeep their functions.

The purpose of this Geoguide is to recommend a standard of good practice for the

maintenance of man-made slopes and retaining walls, disturbed terrain features and hazard

mitigation measures provided to natural terrain (e.g. boulder fences and check dams). The

document is aimed at professional geotechnical engineers, although it will also be useful to

the general public, many of whom carry responsibility for slope maintenance as owners of

property. The general public may refer to an abridged version of the Geoguide: Layman’s

Guide to Slope Maintenance (GEO, 2003a), produced by the Geotechnical Engineering Office,

for simplified guidance on matters related to slope maintenance.

This Geoguide deals basically with the maintenance inspections and maintenance

works necessary to keep in good condition well-designed and properly constructed slopes and

retaining walls and man-made mitigation measures provided to natural terrain. The

maintenance inspections and works recommended herein can also reduce the probability of

instability of slopes and retaining walls and disturbed terrain features which are not up to the

current geotechnical standards for design and construction.



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