1. The defendant's execution of unjust enrichment cases against the plaintiffs by the Seoul Central District Court 2014 tea65710.

1. Basic facts

A. The parties concerned are companies with the purpose of tidal, tailing, waterproofing, and sunlighting business. The plaintiffs are those engaged in cementing and spunching cement part between different dates for the purpose of strengthening the attachment of the other day, controlling water control by placing the other day, spunching the boundary of the other day).

B. 1) The Defendant is a Ulsan Construction Co., Ltd. (hereinafter “Sulra Construction”)

From March 28, 2012, “Seoul Western District C, E apartment construction works in D, and the parts of the shipbuilding works, among the parts of the shipbuilding works, were subcontracted on July 23, 2012, and “Seoul Western District F apartment construction works,” respectively. At the time, Ulsan Construction and the Defendant, at the Defendant’s request, agreed to pay the wages related to the other construction to the human father and to deduct the amount from the Defendant’s claim for the construction cost for the Ulsan Construction. 2) On March 1, 2013, the Defendant further subcontracted the portion of each other work among those subcontracted from the Ulsan Construction to the non-party G.

At the time, G and the Defendant: (a) prepared the “Agreement on Entrustment of Construction Management”; (b) when the actual cost of each of the above other work falls short of the agreed execution management amount (to determine the amount by mutual consultation on the basis of the details of the construction work by the prime contractor), the Defendant shall pay the difference to G as the piece of management remuneration; and (c) when the actual cost of construction exceeds the agreed execution management amount, G agreed that the excess amount

3) The Plaintiffs, from March 2013 to December 2013, pursuant to G’s instruction at each of the aforementioned new apartment construction sites (hereinafter “instant construction”).

4) The G initially set the schedule per working area to the parts of the other eye Corporation including the plaintiffs (hereinafter referred to as "the parts of the snow Corporation").