1. The defendant constructed 895,693,000 won to the plaintiff KC Construction Co., Ltd. and the plaintiff rehabilitation company Ulsan Construction.

1. Facts of recognition;

A. On December 10, 2010, the Defendant publicly announced a bid in a package deal tender for design and construction with respect to construction works to enhance the embankment of agricultural reservoirs in the Seoul Special Metropolitan City, Namwon-gun, and Jinan-gun (hereinafter “instant construction works”).

The instant construction is divided into three additional reservoirs for long-term continuing construction projects, including expansion and expansion of reservoirs, expansion and relocation roads, construction of a river flood control road, etc., and is divided into the construction of a long-term continuing construction project in the south-west area (hereinafter referred to as the “Seoul-west area construction”), construction of a transportation zone located in the south of North Korea (hereinafter referred to as “transport zone construction”), construction of a transportation zone located in the southwest area (hereinafter referred to as “transport zone construction”), and construction of an old village district located in the Northwest area (hereinafter referred to as

B. The plaintiffs (hereinafter referred to as the plaintiffs) omitted the "stock company" and, in the case of the United States A and B, the joint manager of the plaintiff rehabilitation company, the plaintiff rehabilitation company, Eul, the joint management of the plaintiff rehabilitation company, omitted the "joint manager" and the " plaintiff Ulsan Construction" was shared by 100% for electrical construction and fire-fighting works. In the case of civil construction and fire-fighting works, the plaintiff KC Construction shall be divided by 45%, the plaintiff KC Construction 45%, the Ulsan Construction, the mental construction, and the new construction shall be 15%, respectively, and the joint contractor with the method of sharing the construction by 10%, was selected as the person eligible for design by participating in the bidding and participating in the bid.

C. On April 20, 2011, the Plaintiffs entered into a contract with the Defendant and the instant construction work with the total construction cost of KRW 50.16 billion and the total completion period until December 31, 2012; however, the Plaintiffs entered into a contract with the Defendant setting the completion period of construction up to December 31, 2011 by December 31, 201.

(hereinafter as seen below, the contract for the construction work entered into between the plaintiffs and the defendant in total with respect to the instant construction work is referred to as the “instant contract”).

The Plaintiffs are with respect to the Defendant and the instant construction work on March 5, 2012.