1. The plaintiff's incidental appeal and the defendant's appeal are all dismissed.

2. The costs of incidental appeal are assessed against the Plaintiff.

1. The reasoning for the court's explanation of this case is as follows, and the corresponding part of the judgment of the court of first instance is the same as that of the corresponding part of the judgment, except for the addition or dismissal as follows. Thus, this is acceptable in accordance with the main sentence of Article 420 of the Civil Procedure

(However, the portion for the Housing and Urban Guarantee Corporation of the first instance, which is separated and determined, is excluded.2. The addition to the part for the Housing and Urban Guarantee Corporation of the first instance shall be added as follows in Part 6 below.

A person shall be appointed.

E. On June 4, 2018, the Defendant: (a) was divided from B for the purposes of the Heavy Industries/Construction Business sector; and (b) comprehensively succeeded to the rights and obligations related to the said business; and (c) accordingly, the Defendant became the litigant.

(hereinafter referred to as “B” and the Defendant and hereinafter referred to as “Defendant”).

3. On the third page of the judgment of the court of first instance, the part written by the defendant B (hereinafter referred to as "defendant B") shall be dismissed as "B" (hereinafter referred to as "B") in the second sentence.

The "Defendant B" of the first instance court's 4 pages 1, 4, 7, and 5 pages 5, 9, 14, 17, and 18 shall be raised to "B" respectively.

Part 10, Chapters 1 through 13, the upper end of Chapter 13 shall be as follows:

“A) citing the Plaintiff’s assertion, and the part rejecting the Defendant’s assertion (public 1-1-6) of the Defendant’s assertion (public 1-1-6) constitutes a defect that causes a serious structural defect between the floors of outer walls, and the surface treatment method does not constitute a fundamental repair method. As such, the surface treatment method ought to be repaired as a charging repair method regardless of the crack width.

(1) The string heat is inevitably generated in the construction process and cannot be deemed as a defect subject to remuneration.

(2) Even if liability for repairing defects is recognized, the equal heat of less than 0.3m wide shall be remuneration by applying the surface treatment method, depending on K’s view.

(1) The following circumstances, i.e., e., e., e., the e., the overall purport of the instant appraisal.