1. The Defendant’s KRW 2,503,266,031 as well as 6% per annum from October 8, 201 to August 23, 2012 to the Plaintiff.

1. Basic facts

A. The Plaintiff is an executor of the construction works for reconstruction apartment (hereinafter “instant district 1 district 2 sections”), 2 sections for reconstruction apartment (hereinafter “instant district 1 district 4 sections”), 4 sections (hereinafter “instant district 1 sections”) and reconstruction apartment (hereinafter “instant apartment complex” in combination with trop apartment apartment, hereinafter “instant apartment”) and 3 sections for reconstruction apartment (hereinafter “instant 2 district 2 sections”) (hereinafter “instant apartment construction”) (hereinafter “instant 2 district 3 sections”), and the Dae-dong comprehensive construction (hereinafter “Dong-dong comprehensive construction”) is the contractor of the instant construction, and the Defendant is an association specialized in the warranty liability construction for the construction company.

B. The major construction entered into a contract for the instant construction project with the Plaintiff (hereinafter “the instant construction contract”), and entered into each contract for the instant construction project with the Defendant, and submitted to the Plaintiff a warranty bond (hereinafter “the instant warranty bond”) from the Defendant. The main contents are as follows.

In the case of this case,