Main changes in BV Rules for Steel Ships

Main changes in BV Rules for Steel Ships Main changes in Bureau Veritas Rules for the Classification of Steel Ships (January 2019 edition, into force on January 1 st, 2019), regarding the previous edition (July 2018) are described as follows. Rules History January 2019 edition into force on January 1st, 2019 Contents Amendments to Parts A, B, C, D, E and F Previous edition: July 2018 into force on July, 1 st 2018 Contents [NR 467 DT Amd 015 E January 2019] Part A - Classification and Surveys Part A - Classification and Surveys [NR 467.A1 DT R15 E July 2018] [NR 467.A1 DT R15 E July 2018] Part B - Hull and Stability Part B - Hull and Stability [NR 467.B1 DT R10 E July 2018]] [NR 467.B1 DT R10 E July 2018]] Part C - Machinery; Electricity, Automation Part C - Machinery; Electricity, Automation and Fire Protection and Fire Protection [NR 467.C1 DT R10 E July 2018] [NR 467.C1 DT R10 E July 2018] Part D - Service Notations Part D - Service Notations [NR 467.D1 DT R10 E July 2018] [NR 467.D1 DT R10 E July 2018] Part E - Service notations for Offshore Service Vessels and Tugs Part E - Service notations for Offshore Service Vessels and Tugs [NR 467.E1 DT R01 E July 2018] [NR 467.E1 DT R01 E July 2018] Part F - Additional Class Notations Part F - Additional Class Notations [NR 467.F1 DT R10 E July 2018] [NR 467.F1 DT R18 E July 2018] Classification and Surveys - PART A Implementation of IACS Unified Requirements UR Z7.1 (rev. 13) : Steel renewal criteria for certain structures and application of UR Z7.1 in case of general dry cargo ships with hybrid cargo hold arrangements Pt A, Ch 2, App 3 Tab 5 and Ch 4, Sec 7. UR Z25 (rev. 1) : Quantity of pressure relief valves to be inspected and opened during renewal surveys for gas fuelled ships Pt A, Ch 4, Sec 9. UR Z10.2 (rev. 34) and UR Z10.5 (rev. 17) : Steel renewal criteria for certain structures and access to structures of bulk carriers of 100000 DWT or more Pt A, Ch 2, App 3, Tab 6 and Ch 4, Sec 1. UR Z7 (rev. 26) : Future work directions on the implications of new technology on survey regime (RIT) Pt A, Ch 2, Sec 2 and Ch 3, Sec 3. UR Z7.1 (rev. 14) : Future work directions on the implications of new technology on survey regime (RIT) Pt A, Ch 4, Sec 7. 1/5

UR Z7.2 (rev. 7) : Future work directions on the implications of new technology on survey regime (RIT) Pt A, Ch 4, Sec 5. UR Z3 (rev. 7): Future work directions on the implications of new technology on survey regime (ROV) Pt A, Ch 3, Sec 4. UR Z10.1 (rev. 23) and UR Z10.4 (rev. 15) : Consistency with ESP Code. Updating the CSR reference Pt A, Ch 2, App 3 and Ch 4, Sec 3. UR Z10.2 (rev. 35) and UR Z10.5 (rev. 18) : Consistency with ESP Code. Updating the CSR reference Pt A, Ch 2, App 3 and Ch 4, Sec 2. UR Z10.3 (rev. 19) : Consistency with ESP Code; introduction of RIT Pt A, Ch 4, Sec 4. UR Z10.2 (rev. 33, corr. 1), (rev. 34, corr. 1) and (rev. 35, corr. 1): Corrections to the figures Pt A, Ch 4, Sec 2. Service notations Existing service notations : Light ships new type of service added - fast patrol vessel Pt A, Ch 1, Sec 2. Additional service features New additional service feature: - chemical ; new service feature for Barge Pt A, Ch 1, Sec 2. Additional class notations New additional class notations: ULEV Pt A, Ch 1, Sec 2 and Ch 5, Sec 7. CYBER MANAGED and CYBER SECURE Pt A, Ch 1, Sec 2 and Ch 5, Sec 10. Existing additional class notations: ELECTRIC HYBRID: updating of survey requirements Pt A, Ch 5, Sec 10. DYNAPOS: new complementary notation ITP Pt A, Ch 1, Sec 2. CLEANSHIP and CLEANSHIP SUPER () : new complementary notation CEMS Pt A, Ch 1, Sec 2 and Ch 5, Sec 7. Miscellaneous Updating of reference for alternative design and arrangement Pt A, Ch 1, Sec 1. Add missing reference to survey requirements for IG notation for supply vessels Pt A, Ch 1, Sec 2. Updating reference to M&O General Conditions Pt A, Ch 2, Sec 3. Updating survey planning requirements for Gas Carrier Pt A, Ch 4, Sec 5. Updating non-applicable survey requirement for OWS-x ppm notation Pt A, Ch 5, Sec 7. Replacing the reference to NR 534 by Pt E, Ch 8, Sec 7 Pt A, Ch1, Sec 2, Tab 2, [4.9.1] to [4.9.4]. Adding the wind farms service ships in the lists of sera areas navigation notations and specific operating areas notations Pt A, Ch1, Sec 2, [5.2.8], [5.3.1] and [5.3.4]. New survey requirements for inspection of independent cargo tanks Pt A, Ch 3, Sec 1, Sec 2 and Sec 3. Hull Structure - Part B Strength principles Criterion for minimum radius of opening corners Ch 4, Sec 3 Clarification for pillar connections Ch 4, Sec 6 Clarification for requirements applicable to bulkheads acting as pillars Ch 4, Sec 7 Superstructures and deckhouses Scope of application updated according to IACS UR S3 interpretation Ch 8, Sec 4 UR S3 requirements apply to deckhouses walls and superstructures end bulkheads (superstructures side bulkheads are excluded) Windows and sidescuttles General update Ch 8, Sec 10, [3.3] Scantling formulae changed according to ISO 11336-2012 reference standard 2/5

Propeller shaft brackets Application and moment calculation for single arm propeller shaft brackets Ch 9, Sec 3 Towing and mooring arrangement Correction of number of head, stern and breast lines Ch 9, App 2 Test requirements for tanks Reduced test height on overflow tanks not intended to hold fuel Ch 11, Sec 3, Table 2 According to UR S14 rev.7 Machinery Part C Piping System Clarification of cast iron material denomination Ch 1, Sec 10, table 5 Steering gear Location of displays and alarms Alarms in engine control room Ch 1, Sec 11, Table 5 Plastic pipes Clarification of reference standards for plastic pipe testing in accordance with IACS Rec.86 Rev.1 Ch 1, App 3, Tables 2 and 3. Electricity and Automation Part C Rotating machines Ch 2, Sec 4 Updated in line with IACS UR E13 Corr.1 (term publication is deleted) Pt C, Ch 2, Sec 4 Transformers Temperature rise test not required for starting transformers Pt C, Ch 2, Sec 5, Table 2 Storage batteries and chargers Added requirement for Lithium-Ion batteries Pt C, Ch 2, Sec 7, [1.4] Electric Propulsion Plant Clarification of Excitation of synchronous electric propulsion motor for ships with multiple-propellers propulsion ships Pt C, Ch 2, Sec 14, [2.5.3] High Voltage Installations Ch 2, Sec 13 Updated in line with IACS UR E11 Corr.1 (term publication is deleted) Pt C, Ch 2, Sec 13 Fire Protection, Detection and Extinction Part C Escape - Ch 4, Sec 2 Included reference to new IMO Assembly Resolution A.1116(30) for shipboard signage Carriage of dangerous goods Ch 4, Sec 11 Clarified requirements for the routing of bilge drainage pipes Fire Safety Systems - Ch 4, Sec 14 Clarified the requirement for operational status indication of the inert gas system, in line with a correction of UI SC286 / MSC.1/Circ.1582 discussed and widely agreed at SSE5 Service Notations Part D Chemical tankers Ch 8 Correction of references out-of-date Clarification of electrical equipment protection for ships carrying acids 3/5

Integration of IACS UI CC 4, 5, 6 and 7. Gas Carriers Implementation of IACS Rec.152 for survival craft lauching stations Ch 9, Sec 11, [1.3.2] Passenger ships Ch 11 Balcony doors Ch 11, Sec 3, New procedure for the approval of supporting frames of glazed sliding doors fitted on superstructures walls Ch 11, Sec 3, [6.2] Dredgers Ch 13 Clarification of applicable navigation coefficient according to the navigation notation Ch 13, Sec 2, Table 1 Service Notations for OSV and Tugs Part E Tugs Ch 1 Sec 1, clarification of applicable requirements Sec 2, new article [2] included definition of down-flooding points and specific requirements for machinery ventilation openings. Sec 2, [2.1.3] updated r definition Sec 3, [2.4.2] Updated requirement for escape hatches Diving support Ch 7 Sec 1 update of documents to be submitted Additional requirements from IMCA D024 Lifting units Ch 8 Sec 1 Introduction of new section 7 Self elevating Sec 4 update of equivalent stress for foundations of lifting appliances Sec 7 New section self-elevating applicable to ships or barges fitted with legs and capable of being lowered to the sea bed and of raising the hull above the sea level Additional Class Notations PART F ICE CLASS (ICE) Ch 8 ICE CLASS (ICE) Ch 8, Sec 1 - General Definitions for draught and ice thickness have been clarified [2.2] ; [2.3] Modification of the required engine output when additional power sources are available [3.1] ICE CLASS (ICE) Ch 8, Sec 2 Hull and Stability Definitions in ice strengthened area have been clarified [1.3] General framing arrangement now applicable to all ice strengthened areas have been updated [2.1.5] to [2.1.7] Modification of the actual engine output when additional power sources are available [3.2.2] ICE CLASS (ICE) Ch 8, Sec 3 - Machinery The torsional design load cases and blade failure loads have been revised and completed [1.4.4] and [1.4.5] For fatigue assessment of propeller blade, coefficients and parameters have been reviewed [1.5.3] New safety factors have been introduced for the propulsion line design for fatigue loads and blade failure load [1.7.1] Ice impact loads and the resulting vibrations with associated criteria for the assessment of azimuthing thruster have been updated [1.11] 4/5

Pollution prevention Ch 9 New notation CEMS for ships with emission monitoring systems Ch 9, Sec 3, [11] Dynamic positioning systems Ch 11, Sec 6 General update for clarification/correction Battery System Ch 11, Sec 21 Protection against electrostatic hazard Sec 21, [3.1.4] Fixed fire extinguishing system for battery room Sec 21, [3.1.5] Battery pack cooling Sec 21, [3.2.1] Electric Hybrid Ch 11, Sec 22 Clarification of documents to be submitted Sec 22, Table 1 Electrical load balance for PB and ZE modes Sec 22, [2.2.10] ESS charging test Sec 22, [3.6], [5.2.3] and [5.2.4] SCRUBBER READY Ch 11, Sec 24 Added note for sea water systems dimensioning for EGCS installations Ultra-Low Emission Vessels (ULEV) Ch 11, Sec 26 New additional class notation ULEV introduced 5/5