Project for restoration of ecology
Consulting for Concrete Structures for porous high performance concrete.
Water-Flow Analysis.
Research and Test Result Analysis for Government-Approve.

A part of the 22 billion-dollars “Restoration Project” in South Korea (Four River Project)

 was leading on projects for restoration of ecology of nature and purification of water, prevention of landslide and collapse of embankments, and prevention of exhaustion of underground water resources.