1. The Defendant’s KRW 130,494,416 to the Plaintiffs and 6% per annum from January 1, 2016 to July 6, 2018.

1. Basic facts

A. 1) The Plaintiffs are joint contractors with the share ratio of Plaintiff A, Plaintiff A, Plaintiff B, 31%, and Plaintiff C20%, which are the joint contractors with the share ratio of Plaintiff A, Plaintiff B, and Plaintiff C20%, and they are publicly notified by the Defendant around August 2011 (hereinafter “instant construction”).

(2) On September 27, 2011, the Defendant participated in the bid and was selected as a successful bidder, and accordingly, the construction contract for the construction project of this case was determined by the Defendant as the total construction cost of 9,971,779,400 won, the total construction period of 9,979,400 won (90 days from the commencement date of construction) from September 29, 2011 to March 16, 2014 (hereinafter “instant construction contract”).

(2) The main contents of the general conditions of the construction contract of the local government (Ordinance of the Ministry of Public Administration and Security No. 333, October 26, 2010), included in the construction contract of this case, are as stated in the general conditions of the construction contract of this case.

B. A change of 3. 2. The change of 3. 40/30 on February 15, 201 (the date of commencement of construction works: September 29, 201); 3. 40/30 on December 143, 201; 3. 6. 3. 6. 20 on December 16, 201; 3. 3. 4. 20 on December 16, 201; 3. 4. 3. 6. 2. 3. 3. 20 on December 22, 2011; 4. 3. 3. 3. 4. 20 on June 16, 201; 203. 3. 3. 3. 3. 20 on June 21, 2011; the change of 3. 3. 3. 3. 3. 20 on December 21, 2012