1. As to Defendant ACC Construction Co., Ltd., the Plaintiff and 184,898,964 won among the Plaintiff and 184,898,964 won.

1. Basic facts

A. The parties concerned were awarded a contract for the construction of the new construction of the 1st floor (hereinafter “the instant construction”) to the Defendant Esca Construction Co., Ltd. (hereinafter “Defendant Esca Construction”), among the new construction of the instant factory, the Plaintiff subcontracted the instant construction to the 1st floor construction (hereinafter “the instant construction”) from the Plaintiff, and the Defendant Ksca Construction Co., Ltd. (hereinafter “Defendant Lsca Construction”) necessary for the instant construction. The Korea-Japan Industry Co., Ltd. (hereinafter “Korea-Japan Industry”) supplied Lescre, which is necessary for the instant construction.

B. Upon the conclusion of the instant contract, the Plaintiff is a construction method to see concrete mixed with steel fiber reinforced concrete construction method to the floor slabs, not to close the construction of this case from Defendant Amera Construction, and to maximize the strength of concrete surface through the rasher system in order to secure a high level of equilibrium, according to the Defendant Emera Construction’s proposal (Evidence A2), the construction period is reduced in terms of construction, the surface strength is increased in quality, and the effect of reducing management costs and cost costs in terms of economic feasibility is reduced.

(Steel Fiber Red Conte (hereinafter referred to as "SFRC method") was proposed to be constructed. Accordingly, on February 27, 2012, the Plaintiff made the construction period for the instant construction work between Defendant EFR construction and Defendant EFRC as of March 1, 2012 to May 21, 2012; the construction cost of KRW 286,00,000 (including value added tax) and the construction method of the construction to Defendant EFRC construction.