1、 ABSGUIDE FOR THE ENVIRONMENTAL PROTECTION NOTATION FOR OFFSHORE UNITS, FLOATING INSTALLATIONS, & LIFTBOATS .2010 1 GUIDE FOR THE ENVIRONMENTAL PROTECTION NOTATION FOR OFFSHORE UNITS, FLOATING INSTALLATIONS, AND LIFTBOATS MARCH 2010 NOTICE NO. 4 June 2013 The following Changes become EFFECTIVE AS OF
2、 18 JUNE 2013. (See http:/www.eagle.org for the consolidated version of the Guide for the Environmental Protection Notation for Offshore Units, Floating Installations, and Liftboats, 2010, with all Notices and Corrigenda incorporated.) Notes - The date in the parentheses means the date that the Rule
3、 becomes effective for new construction based on the contract date for construction. (See 1-1-4/3.3 of the ABS Rules for Conditions of Classification Offshore Units and Structures (Part 1).) SECTION 3 ENVIRO-OS NOTATION 19 Air Discharge Refrigerant Systems (Revise Paragraph 3/19.3, as follows.) 19.3
4、 Acceptable Refrigerants (18 June 2013) Refrigerant systems are to be provided with environmentally friendly refrigerants. The use of ozone depleting refrigerants is prohibited other than hydro-chlorofluorocarbons (HCFCs) which will be permitted on units constructed prior to 1 January 2020. SECTION
5、4 ENVIRO-OS+ NOTATION 17 Air Discharge Refrigerant Systems (Revise Paragraph 4/17.1, as follows.) 17.1 Acceptable Refrigerants (18 June 2013) In lieu of 3/19.3, refrigerant systems are to be provided with environmentally friendly refrigerants. The use of ozone depleting refrigerants is prohibited ot
6、her than hydro-chlorofluorocarbons (HCFCs), which will be permitted on units constructed prior to 1 January 2020. Furthermore, the use of refrigerants with global warming potential (GWP) greater than 2000 are prohibited other than for the notation, EP2020+. Where the use of a refrigerant medium exce
7、eds a GWP of 2000, a special notation, EP2020+, will be assigned provided the refrigerant system complies with all the other conditions and requirements of Subsection 3/19. The notation EP2020+ signifies the Owners commitment to replace the existing refrigerant with one having a GWP less than or equal to 2000 by the year 2020.