1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. On March 31, 2012, around 01:30, the Defendant’s regional heating pipes laid underground in the street as of the 17-6th Sungnam-dong, Sungnam-si, Sungnam-si, which caused an accident (hereinafter “instant accident”).

At the same time, hot water has been accumulated to the plaintiffs who had been in the above road.

In the instant accident, Plaintiff A suffered respectively injury to the construction of a picture and pipe Section B, and Plaintiff B and Plaintiff C suffered injury to the construction of a 3rd degree of visual images, both sides, rupture images, and pipe sections, respectively, by the instant accident.

B. The cause of the instant accident is 1) Treatment Construction Co., Ltd. (hereinafter “Treatment Construction”).

(1) From January 2006 to December 201, 201, the company performed the construction of the fourth section of its status per party propaganda file, and the company Taenam-do Co., Ltd. (hereinafter “Seoul-do”).

Section 4) The construction of soil, heating facilities, structures, etc. within the two sections of Section 4 (hereinafter referred to as “instant construction section”).

(2) On January 8, 2008, Daewoo Construction requested the Defendant to move the position of the Defendant on the ground that interference between H beam beamline for the installation of facilities and the Defendant’s regional heating lines (the collection and supply officer was laid laid underground) laid underground in Sungnam-si, Sungnam-si, Sungnam-si, which had been laid underground in 95-1, among the instant construction section, and accordingly, the Defendant and the Defendant entered into a contract for the entrustment of construction costs of KRW 348,70,000,000 for the removal or business of heat pipeline (hereinafter “instant entrusted construction”).

3) The Defendant is a Co., Ltd. Co., Ltd. (hereinafter referred to as “Dagjin-N”) with respect to the installation or business of heat pipeline removal works.

(4) On December 16, 2008, the Defendant concluded a contract for the instant entrusted construction, and on July 2008, Jinna has executed the instant entrusted construction. The construction paid the said construction cost to the Defendant on or around December 16, 2008. (4) The Defendant removed the collection pipes from the two heat pipelines via Jinna.