A soil nailed retaining system with a maximum 28.5 m height is implemented. The total plan area of the site is 23,000 m2. The retaining system is designed with a slight slope of horizontal/vertical=1/10. Total soil nail wall area is 15,500 m2 where an approximately 540,000 m3 of excavation is performed. Total nailing length is approximately 60,000 m.