A. The status of the parties and the current status of the apartment of this case 1) The plaintiff is Goyang-si A apartment (hereinafter "the apartment of this case").

Defendant DS T is an autonomous management body organized by occupants for their management. Defendant DS T is a project proprietor who constructed and sold the instant apartment. The Defendants’ assistant corporation is a contractor who completed the construction of the instant apartment from Defendant DS Tri Lake. The Defendant Korea Housing Guarantee Co., Ltd. issued the Defendants’ assistant company a warranty against the defect liability regarding the housing out of the instant apartment units, as follows. The warranty period between September 20, 201 and September 19, 201, 130, 333, 408 20.20 to September 20, 201, 205, 200 to September 325, 201, 201, 205 to September 20, 2010, 205 to September 19, 2010, 2015 to September 20, 2012, 2015 to September 20, 2013.

B. The defect in the apartment of this case and the defect repair cost incurred due to the non-construction, modified construction, and defective construction by the supplementary intervenor of the defendants, and the defect repair occurred in the apartment of this case, and there was no sufficient defect repair despite the plaintiff's request. The cost of defect repair is as listed below.

(Specific details shall be as shown in Appendix 1-1 through 1-4; hereinafter the same shall apply).

The Plaintiff, in lieu of the defect repair, acquired the right to claim damages in lieu of the defect repair from the sectional owners of 30 households among the 120.5 households (in the case of 102 Dong Dong 1404, only 1/2 shares were transferred) and the 59 households among the 176 households of the apartment of this case, and accordingly, acquired the right to claim damages in lieu of the defect repair.