1. The part against the defendant in the judgment of the court of first instance shall be revoked, and the plaintiff's claim corresponding to the revoked part shall be dismissed.

1. Basic facts

(1) The defendant's construction project at two levels high-speed railroads (hereinafter referred to as "inter- Daegu-Industrial Complex") is a corporation established under the Korea Rail Network Authority Act, which implements the construction project at two levels high-speed railroads (hereinafter referred to as "high-speed railroads") around 2002. The main construction works of high-speed railroads and construction works of track structures among those works and management by the defendant are as follows. (A) Construction of high-speed railroads (i) Construction of structures (on the basis of supporting tracks or tracks). (3) Construction of railroad structures: Construction of electric-speed lines and signal; (4) Construction of railroad structures; (5) Total installation points and integrated trial operation; (1) Construction of railroad structures; (2) Construction of low-speed concrete (construction of rail-type) construction and steel-type concrete after completion of the construction of the base line; (3) Construction of core concrete (construction of rail-type) construction and steel-type concrete; (4) Construction of steel-frame reinforced concrete and steel-type reinforced concrete after completion of construction of the base; (4) Construction of steel-frame concrete and steel-type construction.

B. On September 2, 2008, the Plaintiff entered into a contract for construction of tramway structures with the Defendant. On September 2, 2008, the Plaintiff was affiliated with the mountain-in Busan High-speed 2 phase from the Defendant.