Asian Dynamic Positioning Conference 10th September 2015, Singapore MTS GUIDELINES & IMPACT ON DP VESSELS Enhanced vessel capability through a fault tolerant, fault resistant DP vessel DP vessel design philosophy guidelines Meeting class requirements and obtaining operational uptime How implementation during design phase lowers the cost of a Fit-For-Purpose DP vessel By: Joey Fisher
THE MARINE TECHNOLOGY SOCIETY (MTS) Based in Washington DC Founded in 1963 A professional society that serves an international community ocean engineers, technologists, policy-makers and educators. To promote awareness understanding, advancement and application of marine technology. Sponsors a number of technology conferences including the Annual MTS DP Conference in Houston. Has a designated DP Technical Committee The DP Committee prepare guidance documents for DP vessel design and for the safe and effective conduct and management of DP operations. M3 Marine Expertise Pte Ltd 2 1
THE MARINE TECHNOLOGY SOCIETY (MTS) GUIDANCE DOCUMENTS DP VESSEL DESIGN PHILOSOPHY GUIDELINES DP OPERATIONS GUIDANCE (DP MODUs, DP Project / Construction Vessels & DP Logistics Vessels) GUIDANCE FOR PROFESSIONAL DEVELOPMENT OF PERSONNEL ENGAGED IN DP OPERATIONS TECHNICAL AND OPERATIONAL GUIDANCE (TECHOP) DOCUMENTS TECHOP_ODP TECHOP_GEN The documents complement existing class rules and IMCA DP guidance documents. M3 Marine Expertise Pte Ltd 3 1
THE MARINE TECHNOLOGY SOCIETY (MTS) TECHOPS Document No. Document Title TECHOP_GEN_00 TECHOP Guidance TECHOP_GEN_01 Power Plant Common Cause Failures TECHOP_GEN_02 White Paper on Continuous Trials for DP MODUs (draft) TECHOP_ODP_00_(O) High Level Philosophy TECHOP_ODP_01_(D) FMEA Testing TECHOP_ODP_02_(D) Blackout Recovery TECHOP_ODP_03_(D) Evaluation of Protection Systems TECHOP_ODP_04_(D) FMEA Gap Analysis TECHOP_ODP_05_(O) DP Operations Manual TECHOP_ODP_06_(D) DGNSS Position Reference Sensors TECHOP_ODP_07_(D) Software Testing TECHOP_ODP_08_(O) Annual DP Trials and Gap Analysis TECHOP_ODP_09_(D) A Method for Proving the Fault Ride-Through Capability of DP Vessels with HV Power Plant TECHOP_ODP_10_(D) External Interfaces (draft) TECHOP_ODP_11 (D) Cross Connections TECHOP_ODP_12_(O) Defining Critical Operations Requiring Selection of Critical Activity Mode M3 Marine Expertise Pte Ltd 4 1
THE IMPACT ON DP VESSELS DESIGN & OPERATIONS DP VESSEL OWNERS / OPERATORS / CHARTERERS Vessel new build specifications Specifications for DP FMEA documents and DP Operations Manuals Used as a benchmark during pre-hire assessment of DP vessels FMEA Gap Analysis Tool (TECHOP_ODP_04) DP Operations Manual Gap Analysis Tool (TECHOP_ODP_05) Operational Activity Planning (CAMO, ASOG / WSOG & TAM) IMCA References to MTS guidelines; IMCA M220 - Operational Activity Planning (CAMO, ASOG / WSOG & TAM) IMCA M103 - The Design and Operation of Dynamically Positioned Vessels (Rev 02 DRAFT) MTS Guidelines also make reference a number of IMCA guidance documents M3 Marine Expertise Pte Ltd 5 1
THE IMPACT ON DP VESSELS DESIGN & OPERATIONS MARINE SAFETY FORUM Reference has been made to MTS guidelines in Safety Flashes USCG Various Safety Alerts 2013; Where ride-though capability is an essential part of the DP redundancy concept it should be proven by live short circuit and ground fault testing as per Section 9.2.5 of the MTS DP Vessel Design Philosophy Guidelines. MTS DP Committee are technical advisors to the USCG for their discussion with IMO regarding the revision of IMO/MSC Circular 645. Notice of Proposed Rulemaking on Requirements for MODUs and Other Vessels Conducting Outer Continental Shelf Activities with Dynamic Positioning Systems. M3 Marine Expertise Pte Ltd 6 1
THE IMPACT ON DP VESSELS DESIGN & OPERATIONS CLASS DNV-RP-E306 This Recommended Practice (RP) is based on the DP (Dynamic Positioning) Design Philosophy Guidelines of the Marine Technology Society (MTS) DP Technical Committee. DNV-RP-E307 This Recommended Practice (RP) is based on the DP Operation guidance of the Marine Technology Society (MTS) DP Technical Committee. ABS Guide for Dynamic Positioning Systems (The ABS DP Rules!) The DP FMEA is to be performed based on this Guide, IMCA M 166, IMCA M 178, IEC 60812, DP Vessel Design Philosophy Guidelines by MTS, Annex 4 of IMO High Speed Craft Code or equivalents. M3 Marine Expertise Pte Ltd 7 1
UNDERSTANDING THE REDUNDANCY CONCEPT Redundancy Concept The means by which the Worst Case Failure Design Intent is assured. Redundant Group All components and systems that are subject to a relevant single failure. M3 Marine Expertise Pte Ltd 8 1
UNDERSTANDING THE REDUNDANCY CONCEPT ABS: Redundancy is to be based on systems which are immediately available for use, namely on running machinery. In general, full stop and restart of the system do not comply. M3 Marine Expertise Pte Ltd 9
UNDERSTANDING THE REDUNDANCY CONCEPT M3 Marine Expertise Pte Ltd 10 1
UNDERSTANDING THE REDUNDANCY CONCEPT ABS: The engine fuel supply system is to follow the overall split concept with required redundancy, including redundancy of service tanks, supply and return lines, filters, pumps, quick closing valves and their controls. THE DIVISION OF SYSTEMS INTO REDUNDANT GROUPS SHOULD BE MAINTAINED THROUGHOUT THE DESIGN. WHAT IS THE POST FAILURE DP CAPABILITY? M3 Marine Expertise Pte Ltd 11 1
THRUSTER AUTO-CHANGEOVER WHAT IS THE POST FAILURE DP CAPABILITY? M3 Marine Expertise Pte Ltd 12
THRUSTER DUAL FEED WHAT IS THE POST FAILURE DP CAPABILITY? M3 Marine Expertise Pte Ltd 13
THRUSTER DUAL FEED WHAT IS THE POST FAILURE DP CAPABILITY? M3 Marine Expertise Pte Ltd 14
THRUSTER DUAL FEED WHAT IS THE POST FAILURE DP CAPABILITY? M3 Marine Expertise Pte Ltd 15
THREE SPLIT WHAT IS THE POST FAILURE DP CAPABILITY? M3 Marine Expertise Pte Ltd 16
THREE SPLIT FUEL OIL SYSTEM THE DIVISION OF SYSTEMS INTO REDUNDANT GROUPS SHOULD BE MAINTAINED THROUGHOUT THE DESIGN. M3 Marine Expertise Pte Ltd 17
THREE SPLIT SW COOLING SYSTEM THE DIVISION OF SYSTEMS INTO REDUNDANT GROUPS SHOULD BE MAINTAINED THROUGHOUT THE DESIGN. M3 Marine Expertise Pte Ltd 18
THREE SPLIT FW COOLING SYSTEM THE DIVISION OF SYSTEMS INTO REDUNDANT GROUPS SHOULD BE MAINTAINED THROUGHOUT THE DESIGN. M3 Marine Expertise Pte Ltd 19
THREE SPLIT 24V DC SYSTEM THE DIVISION OF SYSTEMS INTO REDUNDANT GROUPS SHOULD BE MAINTAINED THROUGHOUT THE DESIGN. M3 Marine Expertise Pte Ltd 20
CROSS CONNECTIONS AVOID CROSSING THE BOUNDARIES OF REDUNDANT GROUPS! M3 Marine Expertise Pte Ltd 21
AVOID CROSS CONNECTIONS M3 Marine Expertise Pte Ltd 22
THREE SPLIT CLOSED BUS TIES M3 Marine Expertise Pte Ltd 23
THREE SPLIT CLOSED BUS TIES MAKE IT FAULT TOLERANT. M3 Marine Expertise Pte Ltd 24
THREE SPLIT CLOSED BUS TIES DESIGN IT FOR OPEN BUS / INDEPENDENCE / AUTONOMY M3 Marine Expertise Pte Ltd 25
ENSURING ENHANCED DP CAPABILITY Follow class rules but remember these are the minimum technical standards / requirements Follow MTS guidelines and IMCA guidelines Define the Redundancy Concept and the Worst Case Failure Design Intent early When doing so, make sure it is technically correct and compliant not a wish! Design in Non-Critical Redundancy to improve the reliability and availability of systems Define the Redundancy Design Intent, the Separation Design Intent (DP 3) and the Technical System Configurations M3 Marine Expertise Pte Ltd 26
DP VESSEL DESIGN PHILOSOPHY DOCUMENT OR CONCEPTUAL DESIGN REPORT Can help to ensure that vessel owners, ship designers, shipyards and FMEA consultants are aware of the requirements during all stages of a new build DP vessel ADVANTAGES; Ensure compliance in all systems that are related to DP system piping systems, electrical power distribution, the correct type of position reference systems, etc. Avoid design changes during the building phase Enable the shipyard to accurately quote and eliminate the costs associated with re-design, re-work and delays during construction phase or when the vessel is in operation. Quote: The DP Conceptual Design Report was produced during the negotiating phase for this DSV and despite adding one (smaller) generator and reconfiguring the electrical SLD, it lowered the cost because the shipyard understood exactly what they were quoting for. M3 Marine Expertise Pte Ltd 27
FINALLY IT S ALL ABOUT STATION KEEPING SAFETY! M3 Marine Expertise Pte Ltd 28