1. The part of the judgment of the court of first instance against the defendant is modified as follows.

The plaintiff's action against the defendant.

1. Basic facts

A. The execution of a contract for design, construction, supervision, and completion of the construction is 1) The Reclaimed Site Management Corporation (hereinafter “Management Corporation”);

(1) Under the laws on the procurement project, the Construction Works for the Ansando Reservoir (Stage 1) Construction Works (hereinafter referred to as the “instant Construction Works”) shall be performed at the Incheon Regional Procurement Agency, etc.

In accordance with the above entrustment, the management corporation, the plaintiff, and Samdo Construction Co., Ltd. [The rehabilitation procedure commenced on May 6, 2009 (Seoul District Court 2009 Gohap15)] and the rehabilitation plan was approved on December 2, 2009.

hereinafter referred to as “Table Construction Co., Ltd.”

[.] Domination Engineering Co., Ltd. (hereinafter referred to as “divation”)

(2) The General Construction Co., Ltd. (hereinafter referred to as “General Construction”)

B) The following design, construction, and supervision contracts were concluded: (a) the contract amount, contract period, etc. was subsequently changed:

The following shall be referred to as the "contractors" when they jointly refer to recipients, such as the Plaintiff and the trible Construction.

(2) On May 18, 2001, the Plaintiff 431,229,00 on May 24, 2001 to October 23, 2001 of the contract term of the construction work under the name of the contract, which was the recipient of the original design service contract, installed on December 31, 2001 the supervision service contract (365 days after the commencement of the construction work) which was installed on December 31, 2001, which was installed on December 31, 2000, which was divided into the Seo-gu Seoul Metropolitan Area Mopool 20,720,000,000, which was installed on December 26, 2001, which was installed on December 30, 2000 through December 30, 2004, which was installed on December 30, 2000, which was the 36th,000 square meters of the Seo-gu Incheon Metropolitan area.

B. On September 25, 2009, after the occurrence of defects and the completion of the instant construction work, the 1st emulsion in the basin was caused by the rapid wave phenomenon, the water level difference in the outer side, and the water pressure lane, inside and outside the bank.