For the benefit of business and people IACS latest developments URS 31 Side frames verification PMA Permanent Means of Access Dubai, March 26th.2004 Andrea Zamburlini - Paris For the benefit of business and people

Part 1 Latest IACS Rule development Part 2 Situation on Permanent Means of Access Part 3 URS31 and software « BULK »

Latest IACS Rules developments Part 1 Latest IACS Rules developments

IACS REQUIREMENTS 1 IACS REQUIREMENTS IACS IS INVOLVED IN THE DEFINITION OF THE FUTURE NEW RULES TO INCREASE SHIP’S STRENGTH HURRICANE CLAUDET – PACIFIC OCEAN

IACS REQUIREMENTS 1 IACS REQUIREMENTS

1 RULES ENTERED INTO FORCE AFTER JULY 1ST. 1998: IACS REQUIREMENTS EXISTING SHIPS URS 23: IMPLEMENTATION OF REQUIREMENTS IN TERM OF: STRENGTH OF TRANSVERSE CORRUGATED BULKHEAD BETWEEN HOLD 1 & 2 (URS 19) STRENGTH OF DOUBLE BOTTOM STRUCTURE WITH HOLD N.1 FLOODED (ALLOWABLE HOLD LOADING, URS 22) BEFORE 1st.July 1998 (built) 1st.July 1998 (built) 1st.July 2003 (contract): NEW RULES URS 12: DESIGN OF SIDE WEBS URS 18: DESIGN OF TRANSVERSE CORRUGATED BULKHEAD BETWEEN HOLD 1 & 2 URS 20: DESIGN OF DOUBLE BOTTOM STRUCTURE URS 17: GLOBAL STRENGTH CHECKED AGAINST EACH HOLD FLOODED AFTER 1st.July 1998 (built):

1 RULES ENTERED INTO FORCE AFTER JULY 1ST. 2003: IACS REQUIREMENTS EXISTING AND NEW SHIPS IACS REQUIREMENTS URS 26: STRENGTH OF SMALL HATCHES ON EXPOSED FORE DECK URS 27: FORE DECK EQUIPMENTS AND OUTFITTINGS 1st.Jan 2004 (contract) URS 30: CLOSING DEVICES OF HATCHCOVERS N.1 & 2 URS 31: RENEWAL OF SIDE WEBS OF BULK BUILT BEFORE JULY 1ST. 1998 URS 21: NEW SHIPS SCANTLING OF HATCH COAMINGS AND HATCHCOVERS URS 28: NEW SHIPS FITTING OF A FORECASTLE URS 25: NEW LOADING CONDITIONS 1st.July 2003 (contract) UISC 179-180 (EX URS 24): WATER INGRESS ALARMS 1st.July 2004 (built)

1 ? ? RULES TO COME: FUTURE NEW SHIPS IACS REQUIREMENTS ILLC: ADD VOLUME FORWARD SOLAS II-1/3.6: PERMANENT MEANS OF ACCESS URS 32-33: INCREASED SCANTLING OF DOUBLE SIDE STRUCTURES ? 1st.Jan 2005 (built) IMO: DOUBLE SIDE SKIN REQUEST ? 1st.Jan 2007 (built) 1st.July 2004 (built) 1st.July 2003 (contract) 1st.Jan 2004 (contract) 1st.July 1998 (built)

IACS future work programme IACS work 1 IACS future work programme

IACS future work programme IACS work 1 IACS future work programme LRS, ABS and DNV

IACS work 1 IACS future work programme

IACS future work programme IACS work 1 IACS future work programme

IACS future work programme IACS work 1 IACS future work programme

IACS work 1 JTP & JBP SCHEDULE

Permanent Means of Access Part 2 Permanent Means of Access

2 Background SOLAS New Regulation II-1 / 3.6 SOLAS Background SOLAS New Regulation II-1 / 3.6 Original text adopted by MSC 134(76) on Dec 2002 Refer to Technical Provisions MSC133(76) for detailed structural arrangement Purpose : PMA shall be provided to enable Overall inspections, Close-up inspections & Thickness measurements Concerned Ships : Oil tankers Bulk carriers  500 gross tonnage  20,000 gross tonnage Application date of Reg 3.6 & TP: Oil tankers & Bulk carriers constructed on or after 1st January 2005 ?

2 Background DE-47 Industry reacted against the existing text in 2003 SOLAS Background Industry reacted against the existing text in 2003 IMO Assembly (Dec 2003) agreed to update the texts of Reg 3.6 & TP Proposals from : Greece Industry  : BIMCO, IGS, INTERCARGO, INTERTANKO & OCIMF IACS Korea DE 47 (25th Feb to 5th March 2004) started to work

SOLAS Amended Regulation II-1 / 3.6

2 Amended Solas II-1 / Reg 3.6 Means of access No modification for : SOLAS Amended Reg II-1/3.6 Means of access Each space shall be provided with a permanent means of access ... No modification for : Safe access to cargo holds, ballast and other spaces  : direct from deck Number and Arrangement of access Ship structure access manual Access through openings Proposal to move the requirements into the Technical Provisions Kept in the Reg 3.6 - General Technical Specifications Reg3.6 2.1 : Means of access: Each space shall be provided with a (permanent deleted) means of access.. Reg3.6 §3.1 : Safe access to cargo holds, ballast and other spaces Reg3.6 §3.2&3.3 : Number and Arrangement of access Reg3.6 §4 : Ship structure access manual ?

General Technical Specifications 2 General Technical Specifications SOLAS Amended Reg II-1/3.6 Access through Horizontal openings, hatches or manholes : Minimum clear opening 600 x 600 mm & Corner radii up to 100 mm Max (IACS Interp.) Access through Vertical openings or manholes  : Minimum clear opening 600 x 800 mm May include corner radii up of 300 mm (IACS Interp.) Alternative to traditional opening (850x620) (IACS Interp.) Subject to verification of easy evacuation of injured person on a stretcher Height > 600 mm Steps & handgrips It should be demonstrated that an injured person can be easily evacuated 5.3 For oil tankers of less than 5,000 tonnes deadweight, the Administration may approve, in special circumstances, smaller dimensions for the openings referred to in paragraphs 5.1 and 5.2, if the ability to traverse such openings or to remove an injured person can be proved to the satisfaction of the Administration. Oil tankers DWT < 5000 t Adm may approve smaller dimensions ?

Amended Technical Provisions MSC 133(76) SOLAS Amended Technical Provisions MSC 133(76)

Means of Access to cargo and other spaces 2 Means of Access to cargo and other spaces SOLAS Amended TP MSC 133(76) Forward Ballast tanks: Included Each space within the cargo area Shall be provided with a Means of Access (Except Double bottom spaces) Regulation not applied to Chemical Carriers engaged in intermittent carriage of oil cargoes ?

2 Preamble PMA : Designed to be integral parts of structure SOLAS Amended TP MSC 133(76) PMA  : Designed to be integral parts of structure Stringer definition : Stiffened horizontal plating structure In Double Side ballast tanks  : If Continuous passage > 600 mm width past frames on Side shell or Long Bhd then considered as stringer and longitudinal PMA Opening in stringer plating utilized as PMA: Safe guards Or Grid cover ?

Technical Provisions What changed ? 2 Technical Provisions What changed ? SOLAS Amended TP MSC 133(76) Technical provisions Structural members subject to Close-up Insp. & Thick. measurements : Permanent Means of Access  2 tables (Except Double bottom) Oil Tanker Wing ballast of Ore carriers Approved Alternative method in combination with fitted PMA Elevated passageways Clear width > 600 mm Except going around vertical webs Clear width > 450 mm Guard Rails Tunnels  Requirement Deleted  : “Tunnels passing trough cargo holds shall be equipeped with ladders or steps at each end of the hold so that personnel may easily cross such tunnels” Tunnels  Requirement Deleted ?

Technical Provisions What changed ? ..2.. SOLAS Amended TP MSC 133(76) Permanent Inclined Ladders Flight : Vert Height  6 m Resting platform : Vert Height  6 m Width :  400 mm Treads : Equally spaced 200  Vert distance 300 Vertical & Spiral Ladders Width & Construction International or National Standards accepted by the Administration Alternative means of access (not exhaustive list) TP 4 : Permanent Inclined Ladders Flight : Vert Height <= 6 m (instead length= 9m) Resting platform : Vert Height <= 6 m (distance specified) Width : < 400 mm Treads : Equally spaced 200(instead 150) <= Vert distance <= 300 TP 13.7 spiral ladders : Not input IACS interpretation on width, treads & platform Clear Width – minimum [400][600] mm Treads - a horizontal tread should be provided. Platforms – a tread through a [30o ][90o] arc is considered to provide an adequate resting platform IACS : Innovative design is to be accepted if it fits for the functional requirements with due consideration for safe use. Hydraulic arm fitted with stable base (local control deleted) Wire lift platform Staging Rafting Robot arm or Remotely Operated Vehicles Portable ladders > 5m long (if mechanical securing device) Other means of access approved by & accepted to Administration ?

Bulk Carriers : Access ladders to cargo hold 2 Bulk Carriers  : Access ladders to cargo hold SOLAS Amended TP MSC 133(76) Access ladders to cargo spaces Vertical distance  6 m  Vertical or series of inclined ladders Vertical distance > 6 m : Inclined ladders at one end of cargo hold Vertical ladder at the other end of cargo hold Uppermost 2.5m : Vertical ladder Flight  : vertical Height  6 m Linking platforms TP13 : Access ladders to cargo hold (this slide) and other spaces (next slide) TP13.1 Existing TP13.2 : Inclined ladder at one end & at the other, may be vertical Inclined ladders : linking platform as required in TP5 Lowest 6m : Vertical ladder ?

Bulk Carriers : Access ladders to other spaces 2 Bulk Carriers  : Access ladders to other spaces SOLAS Amended TP MSC 133(76) Access ladders to Top Side Tank Vertical distance  6 m  Vertical ladders  Distance : Deck to Long Means of Access / Stringer / Bottom of space Uppermost 2.5m : Vertical Linking platform except if Landing on Long. M.A. / Stringer / Bottom Vertical distance > 6 m  Inclined ladders Uppermost 2.5m : Vertical & landing platform Flight  : length  9 m & vertical Height  6 m Lowermost 2.5m : Vertical Access ladders to Double Side Skin with Width < 2.5m Vertical ladders & Linking platform with vertical distance < 6m Spiral ladders  Alternative to vertical ladders (for all spaces) Uppermost 2.5m : need not to be Vertical TP13.3  :Access to TST Vert D < 6 TP13.4 &13.5 vert dist > 6 TP13.6 : Double side skin spaces TP13.7 : Spiral ladders ?

Technical Provisions: Tables for Oil Tankers and Bulk Carriers

4 Table Content Technical provisions : 2 Tables SOLAS Amended TP Tables Technical provisions : 2 Tables Table 1 : Oil tankers  : Means of access for ballast & cargo tanks Combined underdeck and vertical structure access Requirements for WB tanks & cargo oil tanks Requirements for Wing WB tanks Width < 5 m Forming double side spaces, including bilge hopper sections Table 2 : Bulk carriers Separation of underdeck and vertical structure Requirements for cargo holds Requirements for WB tanks ?

Bulk Carriers - Cargo holds 1/ 2 Bulk Carriers - Cargo holds 1/ Table 2 Bulk Carriers Amended TP MSC 133(76) Underdeck Structure at Transverse Bhd 3 PMA both sides of cross deck & iwo centreline 1.6 to 3 m below deck Accessible from deck or cargo hold Equivalent : Athwartship PMA 1.6 to 3 m below deck Transv Bhd with full upperstool & access from main deck : PMA in cross deck not required Height < 17m  Alternative Means Table 2 1.1 underdeck structure : 3 long PMA 1.2 underdeck structure : equivalent solution : athwartship PMA 1.4 Transv Bhd with full upperstool and Access from main deck : No PMA to Cross deck area ?

Bulk Carriers - Cargo holds 2/ Table 2 Bulk Carriers Amended TP MSC 133(76) Vertical Structure 25% of all hold frames (P&Sbd) Equally distributed (Fwd to Aft)  3 (Fwd, Midspan, Aft) Portable or movable means for remaining frames Portable or movable means Carried on board Readily available for use Min. width of ladder  : 300 mm Single vertical ladder over 6 m : acceptable for inspection of SSS DSS construction : no vert ladder required (inspection within DSS) Table 2 1.6 to 1.11 ?

Bulk Carriers - Ballast Tanks 2 Bulk Carriers - Ballast Tanks Table 2 Bulk Carriers Amended TP MSC 133(76) Top Side Tank H  6 m One Continuous long PMA along side shell 1.6 to 3 m from deck If no access hole at 600mm/base & web height > 1m : Step rungs  / grap rails 3 PMA (ends & middle of bay) up to hatch side girder Longit. structure on sloping may be used H < 6 m Alternative means It should be demonstrated that means of access may be brought into the bilge tank Double Hull : Same as for Oil Tankers Bilge Hopper H  6 m One Continuous longitudinal PMA below top of clear opening at min 1.2m Vertical access ladder at each end of tank (tank access) Access ladder between LPMA & bottom H < 6 m : Alternative or portable means Table 2  : 2.1 to 2.8 TST H>6 : 2.1 to 2.3 ; H<6 : 2.4 Bilge hopper : H>6 : 2.5 & 2.6; H<6 : 2.7 Double side skin : 2.8 same as for oil tanker Fore peak Tank : 2.9 same as for oil tanker Table 1 §1.3 (See slide25 for both) Alternative Solution (Min 1.6 m below the knuckle) For DSS, L Cont PMA may be within 6m from knuckle, IF in combination with Alternative means ?

Oil Tankers & Bulk Carriers Fore Peak Tank 2 Oil Tankers & Bulk Carriers Fore Peak Tank Table 1 & 2 Amended TP MSC 133(76) Fore Peak Tank depth > 6 m (at CL) Suitable Means of Access to : Underdeck structure Stringers Collision Bhd Side shell structure Stringer vertical distance < 6 m Considered as suitable access in combination with portable means Vertical distance  6m : Alternative means to be provided

Future Evolution

Application date of Amendments ? SOLAS II-1Reg. 3.6 & TP Amended 2 Next Steps Future Evolution Date of application : DE 47 did not decide and report on MSC MSC 78 (May 2004) has to decide the application date of amended texts (Solas Reg II-1/3.6 & Technical Provisions) IACS - Industry : Needs of up-date interpretations ? MSC Dec 2004 Application date of Amendments ? SOLAS II-1Reg. 3.6 & TP Amended 1.1.05 SOLAS II-1Reg. 3.6 & TP 2002 Text DE Mar 2004 IMO Assembly Dec 2003 Request of Revision MSC May 2004 Proposed amendments Reg II-1/3.6 & TP New Interpretations ?

VERIFICATION OF SIDE WEBS FOR THE EXISTING BULK CARRIERS Part 3 URS 31 VERIFICATION OF SIDE WEBS FOR THE EXISTING BULK CARRIERS

3 IACS UR S31 for existing ships BULK IACS URS 31 Bulk Carrier Safety Checking new IACS structural unified requirements

URS 31 – STRENGTH OF SIDE WEBS IACS URS 31 URS 31 – STRENGTH OF SIDE WEBS

WHAT IS “BULK” SOFTWARE 3 IACS URS 31 WHAT IS “BULK” SOFTWARE BULK has been conceived to help owners and designers to assess the compliance of their single side skin bulk carriers of 150 m in length or above, with the IACS ship’s structural requirements. Based on a very user-friendly platform under Windows environment, BULK will provide the User with a comprehensive view of compliance with the new strength criteria. The Unified Requirements have already been included in BV Rules.

HOW THE “BULK” SYSTEM WORKS 3 IACS URS 31 HOW THE “BULK” SYSTEM WORKS A Pre-calculation is carried out by BV Technical Dept. or by the Local Plan Approval Office Local Plan Approval Offices are located in: CENTRAL PLAN OFFICE PARIS CHINESE PLAN OFFICE SHANGHAI DUTCH PLAN OFFICE ROTTERDAM FRENCH PLAN OFFICE NANTES GERMAN PLAN OFFICE HAMBURG HELLENIC PLAN OFFICE PIRAEUS JAPANESE PLAN OFFICE KOBE KOREAN PLAN OFFICE PUSAN MADRID PLAN OFFICE MADRID NORDIC PLAN OFFICE COPENHAGEN RIO PLAN OFFICE RIO DE JANEIRO SINGAPORE PLAN OFFICE SINGAPORE TURKISH PLAN OFFICE ISTANBUL

HOW THE “BULK” SYSTEM WORKS 3 IACS URS 31 HOW THE “BULK” SYSTEM WORKS This pre-calculation is carried out with the software “Bulk” which has been specifically designed for the purpose of: calculating the minimum required thicknesses before the survey is started allowing the Surveyor to take appropriate actions during the survey, with respect to steel renewal or repairs or reinforcements of the frames and brackets, by comparing the measured thicknesses on-board to the pre-calculated thicknesses. The calculation sheets are then sent to the SHIPOWNER and to the SURVEY CENTRE, when known, in advance of the survey. One calculation sheet is available for each frame which has been pre- calculated. The calculation sheet also indicates the concerned hold No. for each pre-calculated frame.

RESULTS OF “BULK” ANALYSIS 3 IACS URS 31 RESULTS OF “BULK” ANALYSIS

RESULTS OF “BULK” ANALYSIS 3 IACS URS 31 RESULTS OF “BULK” ANALYSIS

RESULTS OF “BULK” ANALYSIS 3 IACS URS 31 RESULTS OF “BULK” ANALYSIS

RESULTS OF “BULK” ANALYSIS 3 IACS URS 31 RESULTS OF “BULK” ANALYSIS

RESULTS OF “BULK” ANALYSIS 3 IACS URS 31 RESULTS OF “BULK” ANALYSIS

“BULK” is available free of charge from BV internet site 3 SOME PRICE “BULK” is available free of charge from BV internet site

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