1. On January 2014, 2014, the Plaintiff (Counterclaim Defendant) installation of lighting fixtures at the construction site of a new apartment construction site.

Basic Facts

On November 12, 2013, the Plaintiff subcontracted the construction of lighting fixtures (hereinafter “instant apartment construction”) to the Defendant at KRW 39,000,000 (including value-added tax) on November 12, 2013, in the construction site of Gwangju apartment that was supplied and supplied by the Plaintiff for the construction of lighting fixtures.

In addition, the Plaintiff subcontracted to the Defendant KRW 92,70,000 (including value-added tax) around January 2014, each apartment household (hereinafter referred to as “instant apartment construction”) among the construction works for the construction, supply, and installation of lighting fixtures at the new site of the A apartment that was supplied and supplied by the west Sea Construction Co., Ltd. (hereinafter referred to as “A apartment construction,” and referred to as “each of the instant construction works”).

On June 24, 2014, the Defendant demanded the Plaintiff to pay additional construction costs of KRW 45,00,000 (excluding value-added tax) that the Defendant first built on the construction site, including the portion of the additional construction, after completing the instant apartment construction project and completing the repair of defects. On June 24, 2014, the Defendant demanded the Plaintiff to pay additional construction costs of KRW 45,000 (excluding value-added tax) that the Defendant first built on the construction site.

On the other hand, after completing the instant A Apartment construction including the additional construction cost, the Defendant demanded the Plaintiff to pay the additional construction cost of KRW 137,400,000 (excluding value-added tax) that the Defendant first constructed at the construction site on June 16, 2014.

In addition, on July 14, 2014, the Defendant settled the additional construction cost of KRW 179,000,000 (including value-added tax) and requested the Plaintiff to pay it.

[Reasons for Recognition] The plaintiff did not instruct the defendant to perform the additional works of each of the following items: Gap's 1 through 4, Eul's 1 through 4, and Eul's 6 through 10 (each number is included; hereinafter the same shall apply)'s statements or images, the summary of the claim for the purport of the entire pleadings, and the summary of the claim for the main lawsuit does not instruct the defendant to do so.