1. The Defendant’s KRW 48,398,696 for the Plaintiff and KRW 5% per annum from May 19, 2015 to February 8, 2018.

1. Basic facts

A. On July 12, 2013, the Plaintiff entered into the instant contract. On July 12, 2013, the apartment of this case, “A apartment” located in the Jeonnam-gun from the Defendant (hereinafter “A apartment”) is called the instant apartment.

2) As to the instant construction works, the unit civil works among new construction works (hereinafter “instant construction works”).

(2) The Plaintiff and the Defendant changed the construction period on March 20, 2014 to May 15, 2014, the construction cost of KRW 475,00,000, and the construction period of KRW 475,000. The contract was concluded from July 11, 2013 to March 31, 2014.

(hereinafter referred to as “instant contract”). B.

1) After the approval for the use of the apartment in this case, a limited company and a comprehensive construction (hereinafter referred to as the “comprehensive construction”) that are the executing company of the apartment in this case.

(1) On August 1, 2014, the instant apartment was subject to a provisional use approval, setting the period from July 31, 2014 to August 31, 2014. On August 5, 2014, the head of Young-gu has obtained a provisional use approval by setting the period. On August 5, 2014, the head of Young-gu has made the instant reinforced soil retaining wall of the instant apartment that falls within the scope of construction of the instant contract (hereinafter “instant reinforced soil retaining wall”).

(2) On August 6, 2014 and August 12, 2014, the Defendant issued a request for correction with respect to equal heat, and notified the Plaintiff of the said request for correction, and demanded the Plaintiff to reconstruct the instant reinforced soil retaining wall and submit a written opinion of the structural safety institution.

3) On August 28, 2014, 201, Dual Construction requested the head of Yeongdeungpo-gu to extend the period of temporary use for reinforcement works and precise safety diagnosis for ruptures of retaining wall of this case. On the same day, the temporary use period was extended by October 31, 2014. The written approval for temporary use stated that “The monitoring results for the repair sections of retaining wall of this case shall be submitted to the head of Young-gu on a quarterly basis until the end of the continuous monitoring and defect repair period.” 4) On September 22, 2014, the Defendant submitted a plan for repair and repair of ruptures of retaining wall of this case to the head of Young-gu Gun on September 25, 2014, and on September 25, 2014.