Singapore legislation
Regulation 44
of Workplace Safety and Health (Shipbuilding and Ship-Repairing) Regulations 2008
Regulation 44
Prevention of accidental closure of hatch
Where any work is carried out in a shipyard or on board a ship in a harbour, it shall be the duty of the responsible person to ensure that if any cover of a hatch opening is in the open position, effective means is provided to prevent accidental closure of the cover.