1. Revocation of the counterclaim part of the judgment of the first instance.

2. The defendant (Counterclaim plaintiff)'s counterclaim is dismissed.

3...

The principal lawsuit and counterclaim shall be judged together.

1. Basic facts

A. 1) The Plaintiff entered into a contract for work on June 1, 2012 (hereinafter “C”)

) From the perspective of Gangseo-gu Seoul Metropolitan Government D Building E Postnatal Care Center under the Defendant’s 3 and 4 floors (hereinafter “instant Postnatal Care Center”).

2) The term “the instant construction work” refers to the term “the instant construction work”

(3) The contract for the instant construction project was concluded on August 3, 2012 by the competent authority for completion of the construction project, with the amount of KRW 968,00,00 and KRW 1,023,00,000 for the construction work after the extension of the construction period and the increase in the construction cost, and changed on October 27, 2012. [The standard contract for private construction works] The amount of the separate payment shall be 290,40,000,000 for the intermediate payment at the time of the contract payment, 30,000,000,000 for the intermediate payment, or 10,000,000 for the intermediate payment, or 10,000,000,000 or 10,000,000 or 10,000,000, 20,000 or 10,000, 20,010.