1、 Part 6: Specialized Items and Systems RULES FOR BUILDING AND CLASSING STEEL VESSELS 2018 PART 6 SPECIALIZED ITEMS AND SYSTEMS American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 2017 American Bureau of Shipping. All rights reserved. ABS Plaza 16855 Northchas
2、e Drive Houston, TX 77060 USA Rule Change Notice (2018 ) Rule Change Notice (2018) The effective date of each technical change since 1993 is shown in parenthesis at the end of the subsection/paragraph titles within the text of each Part. Unless a particular date and month are shown, the years in par
3、entheses refer to the following effective dates: (2000) and after 1 January 2000 (and subsequent years) (1996) 9 May 1996 (1999) 12 May 1999 (1995) 15 May 1995 (1998) 13 May 1998 (1994) 9 May 1994 (1997) 19 May 1997 (1993) 11 May 1993 Listing by Effective Dates of Changes from the 2017 Rules Notice
4、No. 1 (effective on 1 July 2017) to the 2017 Rules, which is incorporated in the 2018 Rules, is summarized below. EFFECTIVE DATE 1 July 2017 shown as (1 July 2017) (based on the contract date for new construction between builder and Owner) Part/Para. No. Title/Subject Status/Remarks Part 6 Specializ
5、ed Items and Systems To clarify that the requirements in Part 6 are not optional if the items or systems are to be classed. (Incorporates Notice No. 1) 6-1-1/Table 1 Ice Class Notations To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice
6、 No. 1) 6-1-1/1.1 Application Polar Class To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-1/5.3 Upper and Lower Ice Waterlines To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (
7、Incorporates Notice No. 1) 6-1-2/3.1vii) (New) To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.1 General To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notic
8、e No. 1) 6-1-2/5.3 Glancing Impact Load Characteristics To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 1 Class Factors to be Used in 6-1-2/5.5iii) To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IA
9、CS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 2 (New) Class Factors to be Used in 6-1-2/5.5iv) To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.5iii) To align the requirements with IACS UR I1 (Rev.
10、 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.5iv) (New) To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.5.6 (New) Shape Coefficient To align the requirements with IACS UR I1 (Rev.
11、2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.5.7 (New) Force To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.5.8 (New) Line Load To align the requirements with IACS UR I1 (Rev. 2 Ap
12、r 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/5.5.9 (New) Pressure To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 3 Peak Pressure Factors To align the requirements with IACS UR I1 (Re
13、v. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) ii ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2018 Part/Para. No. Title/Subject Status/Remarks 6-1-2/5.13 Hull Area Factors To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016)
14、. (Incorporates Notice No. 1) 6-1-2/Table 4 Hull Area Factors (AF) for Vessels Intended to Operate Ahead Only To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 5 (New) Hull Area Factors (AF) for Vessels Intended to O
15、perate Ahead and Astern To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 6 (New) Hull Area Factors (AF) for Vessels with Additional Notation Ice Breaker and Intended to Operate Ahead Only To align the requirements w
16、ith IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 7 (New) Hull Area Factors (AF) for Vessels with Additional Notation Ice Breaker and Intended to Operate Ahead and Astern To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR
17、I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/7.3 Shell Plate Thickness to Resist Ice Load To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/9.9 Framing Span To align the requirements with IACS UR I1 (Rev. 2 Apr
18、2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/9.13 Net Effective Shear Area To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/9.15 Net Effective Plastic Section Modulus To align the requirements
19、 with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/11 Framing Local Frames in Bottom Structures and Transverse Local Frames in Side Structures To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporat
20、es Notice No. 1) 6-1-2/13 Framing Longitudinal Local Frames in Side Structures To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/13.1 Plastic Strength To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR
21、 I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/13.3 Required Shear Area To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/15.3 Application To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I
22、2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/15.7 (Deleted) Actual Net Effective Shear Area and Plastic Section Modulus To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/15.9 (Deleted) Scantling Requirement for T
23、ransversely-framed Side Structures To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/15.11 (Deleted) Scantling Requirement for Large Members of Longitudinally-framed Structures To align the requirements with IACS UR I1 (Re
24、v. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/21.3 Corrosion/Abrasion Additions for Shell Plating To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 8 Corrosion/Abrasion Additions
25、for Shell Plating for Vessels Intended to Operate Ahead Only To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/Table 9 (New) Corrosion/Abrasion Additions for Shell Plating for Vessels Intended to Operate Ahead and Astern T
26、o align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/23.1 General To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/23.11 (Deleted) Steel Grades for
27、 Inboard Framing Members To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2018 iii Part/Para. No. Title/Subject Status/Remarks 6-1-2/Table 7 (Deleted) Steel Grades for Inboard F
28、raming Members Attached to Weather Exposed Plating To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/25.1 Application To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorpora
29、tes Notice No. 1) 6-1-2/Table 12 Longitudinal Strength Criteria To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Apr 2016). (Incorporates Notice No. 1) 6-1-2/33 Direct Calculations To align the requirements with IACS UR I1 (Rev. 2 Apr 2016) and IACS UR I2 (Rev. 3 Ap
30、r 2016). (Incorporates Notice No. 1) 6-1-4/3 (Deleted) Ice Breaker Class To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/Table 1 (Deleted) Hull Area Factors (AF) for Vessels with Ice Breaker Class Notation To align the requirements with the
31、 revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/5 (Deleted) Vessels Intended to Operate Astern To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/Table 2 (Deleted) Hull Area Factors (AF) for Vessels Intended to Operat
32、e Astern To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/3.5.2v) To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/5.1 Struts To align the requirements with the revisions to Sections
33、 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/11.3 Deck Plating To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/11.5.3 Scantlings To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-
34、1-4/11.7 Decks with Wide Openings To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) 6-1-4/13.3 Scantlings To align the requirements with the revisions to Sections 6-1-1 and 6-1-2. (Incorporates Notice No. 1) EFFECTIVE DATE 1 January 2018 shown as (
35、2018) (based on the contract date for construction between builder and Owner) Part/Para. No. Title/Subject Status/Remarks 6-1-5/47 Materials for Propellers and Propulsion Shafting To clarify the requirement in line with ABS practice. 6-1-5/51.3.1 Width and Thickness To clarify that the calculation r
36、esult of WT2by using the actual designed W and T should not be less than the required WT2. 6-1-5/53 Propulsion Shafting Diameters To clarify that the WT2in 6-1-5/53 are the actual designed values. 6-1-5/59 (New) Tunnel Thrusters To provide requirements for tunnel thrusters. 6-1-6/28 (New) Tunnel Thr
37、usters To provide requirements for tunnel thrusters. iv ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2018 P ART Table of Contents 6 Specialized Items and Systems (1 July 2017) CONTENTS CHAPTER 1 Strengthening for Navigation in Ice 1 Section 1 Introduction 14 Section 2 Structural Requirements fo
38、r Polar Class Vessels 17 Section 3 Machinery Requirements for Polar Class Vessels 44 Section 4 Requirements for Enhanced Polar Class Notation 74 Section 5 Requirements for Vessels Intended for Navigation in First-year Ice 92 Section 6 Baltic Ice Classes . 125 Appendix 1 Ice Class Draft Marking . 163
39、 Appendix 2 The Validity of the Powering Requirement in 6-1-6/9.1.2 . 164 CHAPTER 2 Vessels Intended to Carry Refrigerated Cargoes 165 Section 1 General 172 Section 2 Plans and Data to be Submitted 178 Section 3 Hull Construction 184 Section 4 Cargo Handling Equipment 190 Section 5 Refrigerated Carg
40、o Spaces . 200 Section 6 Refrigeration Machinery . 208 Section 7 Ancillary Systems . 221 Section 8 Fire Extinguishing Systems and Equipment 222 Section 9 Electrical Systems 223 Section 10 Instrumentation, Control and Monitoring 225 Section 11 Ammonia Refrigeration System . 231 Section 12 Controlled
41、Atmosphere Systems . 239 Section 13 Refrigerated Cargo Container Carrier 252 Section 14 Refrigerated Edible Bulk Liquid Tanker . 257 Section 15 Refrigerated Fish Carrier . 261 Section 16 Testing . 263 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2018 v This Page Intentionally Left Blank PART Ch
42、apter 1: Strengthening for Navigation in Ice 6 CHAPTER 1 Strengthening for Navigation in Ice CONTENTS SECTION 1 Introduction 14 1 General . 14 1.1 Application Polar Class. 14 3 Description of Polar Class . 15 3.1 Selection of Polar Classes . 15 5 Definitions . 15 5.1 Ice Belt 15 5.3 Upper and Lower
43、Ice Waterlines . 16 5.5 Displacement . 16 5.7 Length . 16 TABLE 1 Ice Class Notations . 14 TABLE 2 Polar Class Descriptions . 15 SECTION 2 Structural Requirements for Polar Class Vessels . 17 1 Application 17 3 Hull Areas . 17 3.1 General 17 5 Design Ice Loads 18 5.1 General 18 5.3 Glancing Impact L
44、oad Characteristics . 19 5.5 Bow Area . 19 5.7 Hull Areas Other Than the Bow . 22 5.9 Design Load Patch 23 5.11 Pressure within the Design Load Patch . 23 5.13 Hull Area Factors . 24 7 Shell Plate Requirements . 26 7.1 Required Minimum Shell Plate Thickness . 26 7.3 Shell Plate Thickness to Resist I
45、ce Load. 26 7.5 Changes in Plating Thickness . 27 9 Framing General 28 9.1 General 28 9.3 Application . 28 9.5 Fixity 28 9.7 Details . 28 9.9 Framing Span 28 9.11 Scantlings 28 9.13 Net Effective Shear Area . 28 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2018 1 9.15 Net Effective Plastic Sect
46、ion Modulus . 29 9.17 Oblique Framing 30 11 Framing Local Frames in Bottom Structures and Transverse Local Frames in Side Structures . 30 11.1 Plastic Strength 30 11.3 Required Shear Area . 30 11.5 Required Plastic Section Modulus . 31 11.7 Structural Stability 31 13 Framing Longitudinal Local Frame
47、s in Side Structures . 32 13.1 Plastic Strength 32 13.3 Required Shear Area . 32 13.5 Required Plastic Section Modulus . 32 13.7 Structural Stability 32 15 Framing Web Frames and Load-carrying Stringers 33 15.1 General 33 15.3 Application . 33 15.5 Structural Stability 33 17 Framing Structural Stabi
48、lity 33 17.1 Framing Members 33 17.3 Web Stiffening . 33 17.5 Web Thickness 34 17.7 Flange Width and Outstand . 34 19 Plated Structures 35 19.1 General 35 19.3 End Fixity . 35 19.5 Stability 35 21 Corrosion/Abrasion Additions and Steel Renewal 35 21.1 General 35 21.3 Corrosion/Abrasion Additions for
49、 Shell Plating 35 21.5 Corrosion/Abrasion Additions for Internal Structures . 35 21.7 Steel Renewal . 35 23 Materials 36 23.1 General 36 23.3 Material Classes 36 23.5 Steel Grades 37 23.7 Steel Grades for Weather Exposed Plating . 37 23.9 Castings . 38 25 Longitudinal Strength 38 25.1 Application . 38 25.3 Design Vertical Ice Force at the Bow . 38 25.5 Design Vertical Shear Force 40 25.7 Design Vertical Ice Bending Moment . 40 25.9 Longitudinal Strength Criteria 41 27 Stem and Stern Frames 41 29 Appendages 41 29.1 General 41 29.3 Load Definition and Response Criteri
