A. On March 30, 2012, the Plaintiff entered into a subcontract for the construction of a fetus with the Plaintiff (hereinafter “Tai Construction”).

(1) soil and water works, pipes, and appurtenant works (hereinafter referred to as "water supply works") for the development of a gymnasium diversified rainwater management city.

A) subcontracted the construction cost of KRW 13,75,117,600 (including value-added tax) and the construction period from March 30, 2012 to May 31, 2015 (hereinafter referred to as “Abresh subcontract”).

(2) On September 30, 2011, the Plaintiff subcontracted the construction cost of KRW 13,965,924,000 with the increase in KRW 210,806,40 to KRW 13,965,924,00. (2) On September 30, 2011, the Plaintiff changed the construction cost of an embryo construction to KRW 19,305,005,00 (including value-added tax), the construction cost of an underground vehicle and structure construction (hereinafter referred to as “A section”) from the construction period to April 28, 2014 (hereinafter referred to as “North airline subcontract”), and changed to KRW 70,70,000,000,000 for the construction cost of an embryo construction to KRW 19,305,00,000 (including value-added tax), and the construction period from September 30, 2011 to April 20, 2012.

(hereinafter the above two works collectively referred to as “instant construction,” and the above two subcontracts are referred to as “instant subcontract”). The main part of the contents of the instant subcontract is as follows:

When the construction of a fetus under Article 25 (1) 1 and 2 of the terms and conditions of the contract of this case is deemed unable to achieve the purpose of the contract in violation of the terms and conditions of the contract, or when it is clearly acknowledged that it is impossible to complete the construction in the air due to a cause attributable to the fetus construction, such as default, bankruptcy, etc., the plaintiff may cancel or terminate all or part of the contract in question, if the contract is not performed within the said period after giving

Article 2 of the Special Conditions: when an application for dissolution of an embryo construction, an application for commencement of rehabilitation procedures, etc. is filed, business suspension or other similar procedures are commenced.