1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

Basic Facts

On July 13, 2012, the Defendant entered into a contract on the conversion of individual heating and the replacement of water supply pipes at KRW 1,018,00,000 with the macro-energy Co., Ltd. (hereinafter referred to as “large-scale energy”).

Since then, the construction cost has been changed to KRW 1,060,330,000.

The main contents of the instant construction contract are as follows.

The name of the construction: The construction period from July 20, 2012 to October 30, 2012 (hereinafter “instant construction period”): From the date of completion of the inspection of the Korea Gas Safety Corporation, the construction amount was completed when entering a household boiler with the newly established urban gas pipeline: The change of KRW 1,060,300 to KRW 1,060,300 at the time of the contract (the amount was changed to KRW 641,950,000 for common use, KRW 418,380,00 for exclusive use, and KRW 410,380 for delay): The amount of the contract amount was KRW 3/100 for each additional day to the Defendant within the scope of KRW 215,00,00 for 1,71,309,589, and the Seoul District Court requested the Defendant to seize the bond within the scope of KRW 25,200 for the above construction amount to the Defendant within the scope of KRW 2101,201,25.

(hereinafter “The instant order of seizure and collection”. On January 11, 2013, macro-energy completed the instant construction, and from July 26, 2012 to February 28, 2013, the Defendant received KRW 583,030,000 in total as the construction cost of the instant section for common use from the Defendant, and was paid KRW 84,360,000 in total as the construction cost of the instant construction from December 13, 2012 to April 25, 2013, the Defendant received KRW 84,360,000 in total as the construction cost of the instant section for exclusive use from each relevant household to the construction cost, respectively.

A shall be effective as of 2013.