ABS 180-2017 RULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS 2017.pdf
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1、 Notices and General Information RULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS 2017 NOTICES AND GENERAL INFORMATION American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 2016 American Bureau of Shipping. All rights reserved. ABS Plaza 16855 Northchas
2、e Drive Houston, TX 77060 USA Table of Contents N refrigerating, stabilizing, ventilation and air conditioning machinery; and trunk to such spaces, provided they are not handling or using flammable liquids) are not considered to be high fire risk areas. (Incorporates Notice No. 1) 4-8-5/3.7.1(d) Cre
3、epage Distances To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.7.1(e) (Renumbered) Creepage Distances To align the requirements with the updated IACS UR E11, which aligns
4、 with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.7.1(f) (Deleted) Non-standardized Parts To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorpora
5、tes Notice No. 1) 4-8-5/3.7.4(c) Shutters To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.7.4(e) Arc Flash and Associated Installation Requirements To align the requiremen
6、ts with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.7.5(a) Application To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respec
7、t to testing. (Incorporates Notice No. 1) 4-8-5/3.11.2 Large Equipment Enclosure To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.13.2 Switchgear Tests To align the require
8、ments with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.13.3 Cable Test after Installation To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2
9、 (2005) with respect to testing. (Incorporates Notice No. 1) 4-8-5/3.15.4 Accessibility To align the requirements with the updated IACS UR E11, which aligns with IEC 60502-1 (2009) and IEC 60502-2 (2005) with respect to testing. (Incorporates Notice No. 1) PART 5 Specific Vessel Types Appendix 5-1-A
10、1 (New) Review of Temporary Industrial Equipment and Modules To provide more technical consistency and guidance for submittals and review of temporary equipment and work modules which exceeds the vessels rated deck capacity and/or is secured in a manner which is not covered in the vessels Cargo Secu
11、ring Manual or is non- standard cargo. (Incorporates Notice No. 1) 8 ABSRULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS .2017 Notices and General Information EFFECTIVE DATE 1 January 2017 shown as (2017) (based on the contract date for new construction between builder and Owner) Part/Para.
12、No. Title/Subject Status/Remarks PART 3 Hull Construction and Equipment 3-1-2/3.5 Structures Exposed to Low Air Temperatures To clarify material class requirements for plating attached to hull envelope plating exposed to low air temperature and to address the relationship between the design temperat
13、ures, in line with IACS UR S6. 3-1-2/Table 1 Material Grades To clarify that even if A36 is used it should be produced by a steel mill approved by ABS. 3-1-2/Table 2 Material Class or Grade of Structural Members Material Class or Grade of Structural Members for Vessels 90 m (295 ft) in Length To cla
14、rify that even if A36 is used it should be produced by a steel mill approved by ABS. To permit the application of non-Class grades without necessarily being from an ABS steel mill, in locations that are not part of the hull structural envelope. 3-1-2/Table 3 Material Class or Grade of Structural Mem
15、bers for Vessels 61 m (200 ft) L To specify the moonpool cover requirement. 3-2-2/Figure 2 Recommended Bulwark Fitting To remove the doubling plate between bulwark stays and main deck from the figure. 3-2-3/Table 1 Applicable Thickness Equations To clarify superstructure deck requirements. 3-2-3/Fig
16、ure 1 Decks and Tiers Allocation To clarify that the enclosed decks shown in the figure may be type “H” or type “J” for different vessels. 3-2-4/5.1 General To specify requirements for consideration of alternative arrangements of floors. 3-2-6/5.1 Side Stringers To provide requirements for sizing st
17、ringers on the superstructure shell. 3-2-7/4.1 General To specify assessment criteria for towing pad eyes and towing brackets. 3-2-9/7.5 End Connections To provide an option of direct strength analysis. 3-2-10/3.1 Plating To address the calculation of the design head for tanks where rupture disks or
18、 pressure/vacuum valves are fitted. 3-2-11/1.3.1 Superstructures To clarify superstructure deck requirements. 3-2-11/5.3 Doors for Access Openings To clarify the requirements for weathertight doors located on exposed bulkheads of superstructures and deckhouses. 3-2-11/11.5 Material To provide qualif
19、ication testing procedures for aluminum helidecks. 3-2-13/11 Propulsion Improvement Devices (PID) as Hull Appendages To eliminate confusion from the use of “ESD”, which is used elsewhere in the Rules and Guides for “Emergency Shutdown”. 3-2-14/23.1 Application Scope To clarify that some of the presc
20、riptive formulas in the following sections are related to vessels maximum speed; as such they may not applicable for the azimuthal thrusters are exclusively used for DP. ABSRULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS .2017 9 Notices and General Information Part/Para. No. Title/Subject S
21、tatus/Remarks 3-2-14/23.3 Plans and Documents To specify only structural components related plans and documents. 3-2-14/23.7 Design Force To add illustrations of nozzle supporting struts. 3-2-14/Figure 8 An Illustration of Azimuthal Thruster To add illustrations of nozzle supporting struts. 3-2-14/2
22、3.19 (New) Thruster Nozzle Top Connections To address potential cracks and vibration in the nozzle connection structure. 3-2-14/23.21 (New) Nozzle Strut To add a requirement with a simplified approach for verification of the nozzle strut. 3-2-14/23.23 (New) Direct Analysis To clearly define the data
23、, the plans, and the acceptance criteria for azimuth thruster direct analysis. 3-2-14/23.25 Welding and NDT Testing To add requirements for the component connections in the azimuthal thruster. 3-2-14/25.7 Material Requirements To refer to 3-2-14/23.25 for further detailed and clear welding requireme
24、nts. 3-2-14/25.13 Direct Analysis Strength Criteria To take into account research, review of clients FE analysis reports, and clients years of satisfactory service experience. 3-2-14/Table 9 Permissible Stress Level To take into account research, review of clients FE analysis reports, and clients ye
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