SOIL IMPROVEMENT In many cases, considerable savings can be achieved by soil improvement. GRV has long experience regarding the design, planning, execution and monitoring of different soil improvement methods. We have participated in the execution of several large infrastructure projects, such as the airports of Chep Lap Kok – Hong Kong, Changi – Singapore, Lankawi – Malaysia. GRV personnel are currently involved in the design and construction of the Seeb Airport, Oman. We have also participed actively in the development of several European foundation standards, for instance soil stabilization by deep mixing, vertical drainage and vibratory compaction. GRV can advise on the application of the following ground improvement methods: