Using the Caisson Method working as high as a 15-story apartment in Korea, we have successfully begun and completed 3 port constructions including Youngil New Port's breakwater construction and Gunjang New Port's quay wall construction. We also completed 2 river conservation work in addition to Jukjeon reservoir and Daecheong Dam's emergency spillway

Using the off-shore steel pipe sheets pile driving method, we are currently reconstructing Wharf #1 (Berth #12) of Pohang New Port.