The pupil was killed last month when the ladder truck overturned while the child was passing nearby. Police sought detention warrants for two workers on charges of occupational negligence causing death, and a court granted them.

Investigators confirmed that only two of the truck's four outriggers had been deployed. Outriggers spread the load so the chassis does not tilt as the boom rises; with even one folded, raising the boom shifts the center of gravity to one side.

Why they get skipped

Narrow streets and parked cars often make it hard to extend every outrigger. Add a work culture driven by volume and time pressure, and the judgment becomes that one or two can be left folded. A physical lack of space and schedule pressure operate together.

Rules require checking ground conditions, fully extending the outriggers and controlling pedestrian movement within the working radius. The question is who creates the conditions for following them: parking cooperation and traffic control are not things a crew can arrange alone.

Before the moving season

Ladder-truck jobs cluster in the autumn moving season. Households arranging a move can help by securing vehicle access space in advance and keeping children away from the working radius.

Chinese-heritage families in Korea often move to fit school terms and lease renewals. Simply asking a contractor in advance about outrigger clearance and traffic control lowers the odds of an accident.