This paper discusses the application of geotextiles as a solution for the engineering requirements of a soil improvement project in Singapore. The site was a swamp covered in thick lalang vegetation. The subsoils consisted of very soft silt, peat, peaty clay and marine clay, overlying the Old Alluvium. The design and selection of the geotextile fabrics are presented. Construction details and difficulties encountered on site during the placement of geotextile fabrics are highlighted. The problem with formation of the initial working platform on the soft soils for the installation of vertical drains was resolved by using a geotextile separator for temporary support. The use of high strength geotextile reinforcements enabled the successful erection of the surcharge embankment, whilst allowing the excavation and construction of a concrete lined canal close to the toe of the embankment to progress unhindered.
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