Minimum root safety factor

Symbol SFmin
Unit -
Attribute-ID bv2010 minimum safety factor root
Numeric ID 5372
Value Type PMDouble

Bureau Veritas makes the following specifications:

System type SF
Main drive 1.60
Dual main drive 1.55
Auxiliary drive 1.45
Dual auxiliary drive 1.40

Source: Bureau Veritas (BV): Rules and Regulations for the Construction and Classification of Steel Vessels, Paris - 2014 edition