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1. The plaintiff's appeal and the conjunctive claim added by this court are all dismissed.
2. Appeal;
Reasons
1. Basic facts
A. On October 2014, the Defendant participated in the tendering procedure for the establishment of the C system (hereinafter “instant system”) conducted by the Songpa-gu Facilities Management Corporation (hereinafter “SP”) (hereinafter “SP”) and was awarded a successful bid.
B. On December 31, 2014, the Defendant entered into the instant system construction services contract with Nonparty Corporation, the contract amount of KRW 158,400,000, and the contract period from December 31, 2014 to March 20, 2015. The contract period on March 20, 2015 extended to May 29, 2015.
C. On March 31, 2015, the Defendant entered into a contract with Libya Co., Ltd. (hereinafter “Libya”) for the development and supply of a solution for the construction of the instant system, and entered into an integrated center construction contract for the development of telecommunication protocol between the web program of the instant system and the main loan program on April 21, 2015.
On December 30, 2015, the Defendant completed the instant system construction work after Nonparty 1’s examination work.
[Reasons for Recognition] Facts without dispute, Gap evidence 1, 6 evidence, Eul evidence 1 through 5 (including additional numbers), the first instance court and this court's fact inquiry results on Songpa-gu Facility Management Corporation, the purport of the whole pleadings
2. Judgment as to the plaintiff's primary claim
A. On March 2015, the Plaintiff’s summary of the Plaintiff’s assertion determined KRW 39,00,000 with the Defendant and the contract amount as KRW 39,00,000, and concluded a subcontract on the website development and D development and construction work among the instant system construction work and completed the said work until March 2015, the Plaintiff is obligated to pay the Plaintiff the agreed amount of KRW 39,00,000 and delay damages.
B. Each of the descriptions of Gap evidence Nos. 3, 4, 9, 16, 18, 19, and 20 (including virtual numbers) was entered into a contract between the plaintiff and the defendant as alleged by the plaintiff.
or the Plaintiff’s completion of the above service.