A. The relationship between the parties 1) The network C (hereinafter “the network”).

) The Plaintiff was a worker belonging to the Defendant Hew Industry. The Plaintiff B was the mother of the Deceased and the deceased’s father, and the Plaintiff was the deceased’s leader. The Plaintiff died on April 6, 2015 in the course of the instant lawsuit instituted by the Plaintiff and the deceased, and the Plaintiff A took over the instant lawsuit (the Plaintiff B did not have a spouse relationship at the time of the deceased’s death) (the Plaintiff B had no spouse relationship with the deceased at the time of the deceased’s death).

(2) Defendant Heat Industries Co., Ltd. (hereinafter “Defendant Heat Industries”) is a company which subcontracted the underwater and dredging work (hereinafter “instant construction”) among the F works conducted in Incheon Jung-gu from Defendant Hyundai Construction Co., Ltd. (hereinafter “Defendant Hyundai Construction”) and Defendant Dad Integrated Construction Co., Ltd. (hereinafter “Defendant Dad Integrated Construction”).

3) G is a person in charge of safety and health management for employees under his control as the head of the site office of the instant construction industry. H is a person in charge of safety and health management for employees under his control and employees under his control as the head of the site office of the Defendant Hyundai Construction and KD Integrated Construction. (B) In the event of the instant accident, the Deceased worked as a daily worker for the instant construction work from April 2013 to August 2013, for about four months, and for about four months from March 20, 2014 to March 20, and work as a daily worker under the direction of the head of the Working Group, etc.

2) On March 21, 2014, at around 07:00, I, a working group leader of the instant construction project, dismantled a cryp (a fixed device that enables the decedent to wear a cryp) with his work team in the instant construction site. At around 08:00, I, together with workers, including the Deceased, performed work to remove the cryp (a fixed device that prevents the cryp from cutting off). At around 40 parts of the instant construction site, I directed the Deceased to bring about a support unit to be used for cryp., and around 10:30 at around 10:0.