This standard specifies the technical requirements, statistical scope, calculation principles and methods, energy-saving management and measures for ships to revise the energy consumption per unit product of gross tonnage (hereinafter referred to as energy consumption) limits. This standard is applicable to steel ship manufacturing enterprises with general ship construction process (including steel processing, cutting and blanking, small, medium and large, general assembly, comprehensive outfitting, mooring test, navigation test) ship revised gross tonnage unit Calculation and assessment of product energy consumption, as well as energy consumption control for new and expanded projects
DB31/ 731-2013 history
2020DB31/ 731-2020 Energy Consumption Limits per Unit Product for Revised Gross Tonnage of Ships
2013DB31/ 731-2013 Energy Consumption Limits per Unit Product for Revised Gross Tonnage of Ships