1. The plaintiff's claim is dismissed.

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

1. Basic facts

A. On February 3, 2016, the Defendant: (a) purchased a three-dimensional D building on the ground (hereinafter “Defendant’s building”) on the land, such as the Cheongju-si, a considerable area of Cheongju-si, and ordered the removal of the existing building and construction of the hospital building; and (b) contracted the removal of the Defendant’s building to E Company

As a result of the above removal works, F-owned neighboring buildings (hereinafter referred to as the "F-owned building") that are immediately attached to the defendant's building is lost, the defendant changed F-owned outer wall to F-owned third party.

The defendant received a proposal from the plaintiff that he would cause the construction cost of the outer wall (such as material cost, labor cost, and direct construction cost) and ordered the construction work to the plaintiff.

B. From January 25, 2016 to April 27, 2016, the Plaintiff: (a) installed a temporary fence in front of the Defendant building; (b) installed a temporary fence in front of the Defendant building; and (c) performed construction works on the back of the Defendant building; and (d) installed a temporary fence in front of the Defendant building; and (c) performed construction works on the back of the Defendant building; and (d) removal of trees.

(hereinafter referred to as the “instant construction”) each construction performed by the Plaintiff.

Of June 2016, the Plaintiff claimed KRW 89,937,900 for the instant construction cost on the basis of the details of the instant construction cost, personnel expenses, etc. on the ground that the Defendant paid KRW 89,937,900 to the Defendant on October 11, 2016, the Defendant respondeded to the purport that, on October 11, 2016, the actual expenses equivalent to KRW 29,227,00 paid by the Plaintiff for underground cable facilities destroyed during the construction of the front temporary fence, which were destroyed by the Plaintiff to G Co., Ltd. (hereinafter “G”) for restoration expenses paid to the Defendant for KRW 31,950,00 and KRW 5,00,000 paid by the Defendant to H as the construction cost, respectively, shall not be paid.

With respect to the appraisal of the construction cost of this case, direct construction cost costs are material cost.