1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Facts of recognition;

A. The Defendant entered into a construction contract with the Korea Land Trust and the Daegu Jung-gu Building 2, Dong-dong, 51 and 1 lots of land for the construction of the “Seongsung CITY” building.

B. On May 3, 2013, the Defendant, who received a supply of the said new construction from the Korea Land Trust, concluded a subcontract agreement on reinforced concrete construction works (hereinafter referred to as “construction contract as of May 3, 2013”), among the new construction works of Samuri-ro Co., Ltd. (hereinafter referred to as “Mari-do”), and “TITY” (hereinafter referred to as “construction contract as of May 3, 2013”), for a construction period of KRW 7.465 billion and construction period, from May 3, 2013 to March 31, 2015).

At the construction site of the CITY (hereinafter “the construction site of this case”) from around that time, CITY constructed reinforced concrete construction work.

C. On February 28, 2014, another settlement agreement on reinforced concrete construction was made between the Defendant and Samuri-do.

The construction cost of reinforced concrete constructed until February 28, 2014 by Trititia is indicated as KRW 1.415 billion.4 billion.

On February 28, 2014, the Plaintiff, among the new construction works of the Defendant and the “GITY”, refers to “the instant construction contract” under the subcontract agreement for reinforced concrete construction works.

The main contents are as follows. [The principal contractor in a construction contract: the principal contractor in a construction contract: the plaintiff.

1. The project owner: The name of the original contract for the land trust in Korea: the chemical scarke CITY new construction works;

2. Title of subcontracted construction: reinforced concrete construction work;

3. The place of construction: The construction work of the scarcity CITY;

4. Construction period: Commencement on February 28, 2014, and on March 31, 2015, the completion of construction: 6 billion won;

E. The Defendant concluded the instant construction contract four times (hereinafter “instant construction contract”). According to the foregoing modified contract, the contract amount of the instant construction contract was 6.44 billion won (the increase in KRW 394.9 million) and the construction period was changed to July 31, 2015 (the extension of four months).