A. The defendant is a reconstruction association promoting a new building project (hereinafter "the reconstruction project of this case") after removing existing buildings on the land of 1,740.6 square meters in Seocho-gu Seoul Metropolitan Government, Seocho-gu. The plaintiff is a construction company operating an engineering work business, housing construction business, etc.

B. On January 11, 2010, the Defendant notified the Plaintiff of the intent to participate in the instant reconstruction project that the Plaintiff would select the Plaintiff from among the enterprises that submitted a letter of intent to participate in the instant reconstruction project, and would request the Plaintiff to participate in the scheduled bid method. Accordingly, on February 19, 2010, the Plaintiff submitted a project participation proposal to the Defendant on April 12, 2010. (2) On April 12, 2010, the Defendant held a general meeting and selected the Plaintiff as the contractor and notified the Plaintiff on the 15th day of the same month.

A building reconstruction project contract (a provisional contract)

1. Title of the project: A building reconstruction project;

2. Location of business: Seocho-gu Seoul Metropolitan Government; and

3. Site area: 1,740 square meters (526.53 square meters).

4. Details of the project: Construction of new construction facilities approved by the head of the competent local government;

5. Contract amount: The total amount obtained by multiplying 1,508,560 won per square meter (excluding value-added tax) by the total floor area obtained by the approval of a project plan from the head of the competent local government;

6. Construction period: The scope of construction works to be executed by the plaintiff under Article 2 (Scope of Construction Works) of the conditions for the construction contract for 30 months from the date of report on the commencement of construction works shall be the scope of construction of officetels, incidental facilities, welfare facilities, etc. specified in the final project implementation plan approved by the head

Article 4 (Methods of Implementing Projects) (2) Relocation expenses for the defendant's association members and the defendant's project promotion expenses may be leased by the plaintiff to the defendant and the defendant's association members. In such cases, relocation expenses borrowed from the plaintiff under Articles 15, 16, and 17, and the principal of the relocation expenses and the defendant's association members, and the interest under Article 18 (hereinafter referred to as "interest