Singapore legislation
Regulation 27
of Public Utilities (Reservoirs, Catchment Areas and Waterway) Regulations 2006
Regulation 27
Safe speed for vessel
Subregulation 1
Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the prevailing circumstances and conditions.
Subregulation 2
In determining a safe speed, the following factors shall be taken into account:
the state of visibility;
the traffic density;
the manoeuvrability of the vessel with special reference to stopping distance and turning ability in the prevailing conditions;
at night the presence of background light such as from shore lights or from back scatter of her own lights;
the state of wind and current, and the proximity of navigational hazards; and
the draught in relation to the available depth of water.