The judgment of the first instance court is modified as follows.

A. Defendant B Co., Ltd.: (a) KRW 1,448,881,916 and one of them on 201.

Basic Facts

The reasons stated in this part are as follows, except for those written by the court, i.e., “1. Recognition” (from 4, 5 to 6 pages) with the reasoning of the judgment of the court of first instance, and thus, i.e., “1. Recognition” with the same reasoning of the judgment of the court of first instance (from 4, 5 to 6 pages).

6 The detailed statement of the cost of repair of defects is as listed below.

(unit: 365, 767, 767, 767, 47, 544, 285, 278, 207, 367, 367, 367, 367, 507, 467, 467, 57, 574, 207, 278, 307, 367, 47, 47, 47, 47, 278, 47, 278, 306, 47, 47, 47, 47, 278, 305, 257, 47, 307, 47, 47, 5427, 2805, 257, 3086, 2686, 2786, 2786, 297, 2765

7 From the 14th parallel to the bottom of the parallel shall be as follows:

① According to each of the above evidence and evidence stated in the evidence Nos. 9 through 12, the appraiser’s appraisal result, and the appraiser’s appraisal result, the appraiser’s each on May 15, 2019, and the one on October 5, 2020, the following facts may be acknowledged:

In calculating the repair cost of defects related to rupture, the appraiser of the association to be established shall conduct a construction appraisal business at the Seoul Central District Court (hereinafter referred to as "construction appraisal business").

In 2015, the above consideration and unit price as specified in the item were applied.

The unit price per item applied by an appraiser shall be as follows:

The unit price method of material unit (less than 0.3m) 8,000 won (Acryle department) / kg rupture maintenance method (not less than 0.3m) / 20,000 won in dry rupture rupture / 13,000 won in kg rupture rupture ruptures / kg rupture rupture ruptures.