The judgment of the first instance shall be modified as follows:

The defendant shall pay KRW 3,700,000 to the plaintiff and shall pay it on January 31, 2018.

1. Facts of recognition;

A. The plaintiff is residing in the Yeongdeungpo-gu Seoul Metropolitan Government C Apartment-dong (hereinafter "the apartment of this case") E, and the defendant is residing in the apartment subparagraph F of this case.

B. On January 31, 2018, the apartment apartment E of this case, the Plaintiff’s resident, caused the damage of water flowing into the house through washing rooms and small banks contact rooms.

(hereinafter referred to as “the flood accident of this case”)

On January 30, 2018, the day before the flood accident of this case occurred, the apartment F of this case, where the Defendant resided, was removed from the laund water pipe, which was the day before the flood accident of this case, and the water pipe was temporarily set up on January 31, 2018, which was the following day. However, the water pipe of the laundry room of the apartment G of this case was destroyed by the flood accident of this case.

[Reasons for Recognition] Uncontentious Facts, Gap evidence Nos. 1, 2, and 8, the result of the appraisal by the first instance appraiser H, the purport of the whole pleadings

2. The plaintiff's assertion that the flood accident of this case occurred due to the Defendant's inflow of water accumulated in the laundry room of the apartment of this case managed by the Defendant into the plaintiff's house. Thus, the defendant, the management authority of the above water center, is liable to compensate the plaintiff for damages caused to the plaintiff due to the defect or negligence in the preservation of the facility (= KRW 5,645,00,000, such as construction cost necessary for restoration to the original state, ② KRW 960,000,000 for the cost of replacing the household of this case ② KRW 960,000,000,000 for cleaning expenses ④ KRW 4.

3. Determination

A. The following circumstances revealed prior to the occurrence of liability for damages, including the evidence and Eul’s evidence No. 2 and the purport of the entire pleadings, namely, ① the washing room water supply officers of the defendant household, in which water leakage occurred due to the dissolution, are exclusive areas occupied and used by the defendant independently; ② the household that was removed by the laund Water supply officers on the date of the flood accident in this case, is only apartment F and G, and ③ the household that was removed by the flood accident in this case.