□ During a thaw period collapse accidents are readily occurred as frozen ground to be melted, and recognizing its major risks during the period, KOSHA visited construction sites for safety check.

□ KOSHA suggested several major hazard at construction sites and the major
risks are: collapse of supports on the sheeting; collapse of cutting/fill-up ground face; damage on underground facilities due to ground subsidence; and collapse of
structures.

□ To prevent accident during the period KOSHA has uploaded 'safety and health
guidelines' which contains accident prevention content for major hazard to its website in February and visited 27 construction sites in nationwide, facing the
Safety check day on 4th.

○ KOSHA's president Young-soon Lee and staff visited renovation construction
for residential area, located in Yeongdeungpo-gu, Seoul.

- Safety management and safety measures for device/equipment were main
focus of the site visit and there was a meeting of workers and managers.

○ The president said "incident during a thaw could be lead a fatal accident" and
"to avoid accident, pre-work safety check for ground or facility is essential".