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
25、ars of satisfactory service experience. 3-2-14/25.15 Additional Requirements To clarify why there are additional requirements are need after the FE analysis has already performed. 3-2-14/25.15.5 (New) Connections To add requirements for pod connections. 3-2-14/25.15.6 (New) Pod Web To add requiremen
26、ts for pod webs. 3-2-A4/3.3.2 Bending Moment at Neck Bearing To specify that in any case that the rudder is not fully submerged in seagoing conditions, rudder stock should also have sufficient strength for such case. 3-2-17/1.1 Height on Manned Vessels To align the requirements with IACS UI LL14 whi
27、ch says “A guard rail should also be required for first tier deckhouses and for superstructures ends”. 3-2-17/Figure 1 Bulwark Stanchion To remove the doubling plate between bulwark stays and main deck from the figure. 3-2-17/1.5 Guard Rails To align the requirements with IACS UI LL47 (g) Fig. 1 and
28、 to remove the requirement that the material of stanchions, rails and stays be of grade A steel. 3-2-17/9.1 Location To remove the requirement that windows be installed from the outside, since installation from the inside is also common industry practice and to require that all mechanical fasteners
29、transmitting the green sea loads from the window glazing to the bulkhead retain load carrying capacity at the pressure at which the glazing would break 3-2-17/9.7 Window Glazing To clarify the definition of fw and to remove the requirement that windows be installed from the outside, since installati
30、on from the inside is also common industry practice. 3-2-17/11.7.1 Application To align the requirements with IACS UR S27. 3-2-19/1.1.1 Plans and Specifications To align the requirements with 3-2-19/1.1.1 of the ABS Steel Vessel Rules and the IACS Common Structural Rules. 3-2-20/7 Loads To add accel
31、eration estimation for load calculation. 3-3-A3/Table 1 Acceptable Tolerances To clearly indicate the meaning “slash /” in accordance with ABS internal process instructions. 10 ABSRULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS .2017 Notices and General Information Part/Para. No. Title/Subj
32、ect Status/Remarks PART 4 Vessel Systems and Machinery 4-1-1/Table 1 Certification Details Prime Movers To clarify the table and correct Approval Tiers and references. 4-1-1/Table 2 Certification Details Propulsion, Maneuvering and Mooring Machinery To clarify the table and correct Approval Tiers an
33、d references. 4-1-1/Table 3 Certification Details Electrical and Control Equipment To clarify the table and correct Approval Tiers and references. 4-1-1/Table 4 Certification Details Fire Safety Equipment To clarify the table and correct Approval Tiers and references. 4-1-1/Table 5 Certification Det
34、ails Boilers, Pressure Vessels and Fired Equipment To clarify the table and correct Approval Tiers and references. 4-1-1/Table 6 Certification Details Piping System Components To clarify the table and correct Approval Tiers and references and to clarify certification details for gas compressors & li
35、quefied gas pumps. 4-3-2/1.1 Application To align the requirements with IACS UR M68 Rev.2. 4-3-2/5.1 Shaft Diameters To align the requirements with IACS UR M68 Rev.2. 4-3-2/Table 1 Shaft Design Factors K and CK for Line Shafts and Thrust Shafts To align the requirements with IACS UR M68 Rev.2. 4-3-2
36、/Figure 1 (New) Intersection between a Radial and an Eccentric Axial Bore To align the requirements with IACS UR M68 Rev.2. 4-3-2/5.19.5(d) Impact Torque To expand the requirements to other motors and to permit evaluation of the torque generated by transient torsional vibration stresses in the coupl
37、ing assessment. 4-3-2/7.3 Vessels 61 m (200 ft) in Length and Over To refer to the Rules for Building and Classing Steel Vessels regarding vibration and shaft alignment, which have undergone recent development and refinement. 4-3-2/7.5.1 Torsional Vibration To refer to the Rules for Building and Cla
38、ssing Steel Vessels regarding vibration and shaft alignment, which have undergone recent development and refinement. 4-3-2/11 Installation and Trials To refer to the Rules for Building and Classing Steel Vessels regarding vibration and shaft alignment, which have undergone recent development and ref
39、inement. 4-3-2A1 (New) Special Approval of Alloy Steel Used for Intermediate Shaft Material To align the requirements with the updated IACS UR M68. 4-3-3/5.3 Blade Thickness Controllable-pitch Propellers To clarify the requirements for controllable pitch propeller blades of thrusters (as defined in
40、4-3-5/1.5) and wide-tip blades of ducted controllable pitch propellers. 4-3-4/21.7 Sea Trials To allow rudder torque and load to be measured in the ballast condition, and to be reliably extrapolated to the full load condition where the vessel cannot be tested in this condition, in line with SOLAS Re
41、g. II-1/29.3 and 29.4. 4-3-5/5.1.3 (New) Hydraulic Motors To specify requirements for hydraulic motors delivering propulsion torque to thrusters. 4-3-5/5.3.3 Blades of Unusual Design To clarify the definition of wide-tip blades of ducted controllable pitch propellers. 4-3-5/5.3.6 (New) Blade Pitch C
42、ontrol To clearly specify requirements for azimuthal thrusters with controllable pitch propellers. 4-4-1A1/Figure 2 Example of Reinforced Opening To align formulas with BPVC VIII-1 UG-37. 4-4-1A1/19.1 Pressure Vessels To align with 4-4-1/7.11.2 of the Steel Vessel Rules. 4-6-4/9.3.7(b)ix) To provide
43、 requirements for side covers, in line with IACS UR P3 Rev 4. ABSRULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS .2017 11 Notices and General Information Part/Para. No. Title/Subject Status/Remarks 4-6-5/3.3.1(a) Standby Pump, Single Engine Installation To emphasize that standby pumps are r
44、equired for single engine installations and to clarify the required capacity of the specified standby pump. 4-6-5/3.3.1(b) Standby Pump, Multiple Engine Installation To clarify the required capacity of the specified standby pump. 4-6-5/3.3.1(c) Attached Pumps To avoid the possibility of having a sin
45、gle engine installation with spare pump carried in lieu of a fitted standby pump. 4-6-5/5.3.1(b) Attached Pump To prevent single engine installations from being accepted with one attached lubricating oil service pump and one spare being carried. 4-6-5/5.3.2 Lubricating Oil Failure Alarms To specify
46、that main and auxiliary combustion engines, above 37 kW, must be fitted with an alarm device with audible and luminous signals for failure of the lubricating oil system, in line with IACS UR M2. 4-6-5/7.7.1(b) Attached Pumps To prevent single engine installations from being accepted with one attache
47、d cooling water service pump and one spare being carried. 4-7-2/1.7.4(a) Escapes To align the requirements with Resolution MSC.365(93)/Reg.13.4.2.4, 4.2.5, 4.2.6. 4-7-2/1.7.7i) To specify requirements for ventilation of emergency generator rooms, in line with IACS UR M75. 4-7-2/1.7.8 (New) Ventilati
48、on of Emergency Generator Rooms To specify requirements for ventilation of emergency generator rooms, in line with IACS UR M75. 4-7-2/5.3.5 (New) Aluminum Helicopter Decks with Equivalency of Fire Integrity to Steel Helideck To provide qualification testing procedures for aluminum helidecks. 4-7-3/3
49、.1.2 Distribution Piping and Nozzles To align the requirements with FSS Code Chapter 5, adopted by Resolution MSC.206(81) and amended by Resolution MSC.339(91). 4-7-3/3.1.3 Openings in Protected Space To align the requirements with FSS Code Chapter 5, adopted by Resolution MSC.206(81) and amended by Resolution MSC.339(91). 4-7-3/3.1.5 Medium Release Warning Alarm To align the requirements with FSS Code Chapter 5, adopted by Resolution MSC.206(81) and amended by Resolution MSC.339(91). 4-7-3/3.1.8 Systems Protecting More than One Space To align the requirements with
