ABS 169 NOTICE 6-2015 GUIDE FOR BUILDING AND CLASSING FLOATING OFFSHORE LIQUEFIED GAS TERMINALS JUNE 2010.pdf

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1、 ABSGUIDE FOR BUILDING AND CLASSING FLOATING OFFSHORE LIQUEFIED GAS TERMINALS .2010 1 GUIDE FOR BUILDING AND CLASSING FLOATING OFFSHORE LIQUEFIED GAS TERMINALS JUNE 2010 NOTICE NO. 6 January 2015 The following Change becomes EFFECTIVE AS OF 1 JANUARY 2015. (See http:/www.eagle.org for the consolidat

2、ed version of the Guide for Building and Classing Floating Offshore Liquefied Gas Terminals, 2010, with all Notices and Corrigenda incorporated.) Notes - The date in the parentheses means the date that the Rule becomes effective for new construction based on the contract date for construction. (See

3、1-1-4/3.3 of the ABS Rules for Conditions of Classification Offshore Units and Structures (Part 1).) CHAPTER 2 DESIGN CONSIDERATIONS SECTION 2 DESIGN OF FLOATING OFFSHORE LIQUEFIED GAS TERMINALS 9 Containment Systems (Revise Paragraph 2-2/9.9, as follows.) 9.9 Condensate Storage (2015) Condensate st

4、orage tanks integral with the terminals hull are to be in compliance with the requirements of Section 5C-1-7 of the Steel Vessel Rules and 3-5/5.9 of the Facilities Rules. Where condensate may contain dangerous or noxious liquid chemical substances with its content ratio exceeding the threshold valu

5、es as defined in the “International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk” (IBC Code), the requirements of Chapter 9 of Part 5C of the Steel Vessel Rules are to be followed as applicable to the particular substances present. Where the threshold values

6、are not specified, ABS is to be consulted for required clarification. Condensate storage in tanks adjacent to liquefied gas storage tanks will be considered acceptable, provided it can be shown that loss of primary liquefied gas containment would not cause an underpressure situation or the ingress o

7、f air into the condensate tank. (Revise Subsection 2-2/15, as follows.) 15 Hazardous Areas (2015) The delineation of hazardous areas or gas-dangerous spaces on an offshore liquefied gas terminal is to be consistent with the following general guidelines. Where there is overlapping, in general, the hi

8、gher (more conservative) delineation should be applied. The delineation of gas-dangerous spaces in 5C-8-1/3.17 of the Steel Vessel Rules and Chapter 7, Section 10.7 of NFPA 59A, as applicable, will be considered applicable to liquefied gas storage and liquefied gas and liquefied gas vapor piping sys

9、tems associated with liquefied gas storage, loading and discharge. Notice No. 6 January 2015 2 ABSGUIDE FOR BUILDING AND CLASSING FLOATING OFFSHORE LIQUEFIED GAS TERMINALS .2010 The delineation of gas-dangerous spaces associated with process facilities is to comply with the requirements of 3-6/15 of

10、 the Facilities Rules, which are consistent with API RP 500 series. The delineation of hazardous areas associated with the below deck storage of condensate and other hydrocarbon liquids with a flash point of less than 60C is to be consistent with the requirements of 5C-1-7/31.5 of the Steel Vessel R

11、ules. Where condensate in the condensate storage tank contains dangerous or noxious liquid chemical substances as defined in the “International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk” (IBC Code), the requirements applicable to the particular substances as specified in Chapter 9 of Part 5C of the Steel Vessel Rues are also to be complied with.