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1. Revocation of a judgment of the first instance;
2. The plaintiffs' claims against the defendant are all dismissed.
3. The total cost of the lawsuit.
Reasons
1. Basic facts
A. The Plaintiff Limited Partnership Construction Development (hereinafter “Plaintiff New Environment”) and the Plaintiff New Environment Co., Ltd. (hereinafter “Plaintiff New Environment”) are corporations established to conduct aggregate extraction and sale business. Plaintiff A is a mid-term rental business with the trade name “K,” Plaintiff B is the Plaintiff’s “L and M,” Plaintiff C is the trade name of “M,” Plaintiff C is the construction machinery leasing business with the trade name of “M,” Plaintiff D is the construction machinery leasing business, Plaintiff D is the construction machinery leasing business with the trade name of “L,” Plaintiff E is the one of “N,” and the Defendant is the construction company established to conduct reinforced concrete construction business, etc.
B. G Co., Ltd. (hereinafter referred to as “G”) received the contract amount of 1,946,00,000 won for the primary development project for the second agricultural and industrial complex No. 2 agricultural and industrial complex as of September 20, 2010 (243,548,387 won among its reinforced concrete construction works, and 115,90,730 won for water supply and sewerage construction works) from the date of their stay jointly with Cho Jae-in Co., Ltd. (hereinafter referred to as “J”) on March 17, 2011, the second construction project for the second construction of the agricultural and industrial complex No. 2 (54,758,046 won for reinforced concrete construction works, 417,442,545 won for waterworks construction works, and hereinafter referred to as “the instant construction work” when referring to each construction work, and supply and demand of 0,501 won for waterworks construction works”).
C. On March 2, 2011, G subcontracted the construction of reinforced concrete in KRW 211,40,00,00 among the primary construction works to Jinyoung Development Co., Ltd. (hereinafter “Jinyoung Development”), and KRW 100,100,00 among the primary construction works, and subcontracted the construction of reinforced concrete in KRW 47,30,00,00 among the secondary construction works, and KRW 354,20,000 among the secondary construction works, respectively.
G A around May 3, 2012, after completing the instant construction project, G shall be deducted KRW 488,504,40 from the part of the landscaping project during the instant construction project between the permanent resident inspection and the permanent resident inspection (= KRW 1,946,00,000 from the total amount of the instant construction project (= KRW 1,501,501,244,400).