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Mobile Offshore Drilling Units

Classifcation, Certifcation&Related Services


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Our Mission

The Mission of ABS is to serve the public interest as well as theneeds of our clients by promoting the security of life and property

and preserving the natural environment.

Quality & Environmental Policy

It is the policy of ABS to be responsive to the individual andcollective needs of our clients as well as those of the public atlarge, to provide quality services in support of our mission, andto provide our services consistent with international standardsdeveloped to avoid, reduce or control pollution to the environment.

All of our client commitments, supporting actions, and servicesdelivered must be recognized as expressions of Quality. We pledgeto monitor our performance as an on-going activity and to strive forcontinuous improvement.

We commit to operate consistent with applicable environmentallegislation and regulations and to provide a framework forestablishing and reviewing environmental objectives and targets.


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CLASSIFICATION, CERTIFICATION & REL ATED SERVICES FOR MObILE OFFShORE DRILLINg uNITS 1

Classifcation, Certifcation & Related Servicesor Mobile Oshore Drilling Units

Introduction.................................................................................................................................................3

The ABS Advantage ....................................................................................................................................5

A Multi-Level Approach to Service..........................................................................................................9

Required Classifcation & Statutory Services.....................................................................................10

Class Notations .................................................................................................................................11

Design Analysis, Plan Review & Approval .........................................................................................12

Project Management & Vendor Equipment Coordination .................................................................14

Surveys During Construction or Major Modifcation .........................................................................14

Surveys Ater Construction ...............................................................................................................17

Statutory Inspections ........................................................................................................................20

Optional Notations & Class-Related Services.....................................................................................22

Optional Notations or MODUs ........................................................................................................22

Technical & Engineering Services .....................................................................................................27

Fleet Management Systems ...............................................................................................................31

Hull Integrity Management Programs ...............................................................................................32

Machinery Maintenance Services ......................................................................................................35

Integrated Management Systems Certifcation ...................................................................................37

Rapid Response Damage Assessment ................................................................................................37

Training Services ...............................................................................................................................38

Inormation Services .........................................................................................................................38

Services Provided by ABS Group...........................................................................................................39

Engineering Services .........................................................................................................................39

Risk & Reliability Services ................................................................................................................41

Asset Integrity Management ..............................................................................................................43

Project Management, Inspection & Auditing Services .......................................................................44


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2 CLASSIFICATION, CERTIFICATION & REL ATED SERVICES FOR MObILE OFFShORE DRILLINg uNITS

Setting Standards o Excellencein the Classifcation & Certifcation o

Mobile Oshore Drilling Units


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Classifcation, Certifcation & Related Servicesor Mobile Oshore Drilling Units

ABS oers a comprehensive range o classication and related services to designers, builders,

owners and operators o mobile oshore drilling units (MODUs). The principal elementso the ABS Oshore program, with particular emphasis on MODUs, are summarized in

this handbook. More complete details can be obtained rom the nearest ABS oce. A

comprehensive library o ABS Oshore Rules and Guides can be ound on the ABS website at

www.eagle.org within the Rules & Guides section under the Resources tab. These technical

documents are available or ree download.


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4 CLASSIFICATION, CERTIFICATION & RELATED SERVICES FOR MObILE OFFShORE DRILLINg uNITS

IntroductionABS provided the rst classication services to the oshore industry in 1958 and has remained at theoreront o setting oshore industry standards and technical guidance ever since. Currently, ABS isthe market leader in the classication o MODUs worldwide including sel-elevating drilling units(SEDUs or jackups), column-stabilized drilling units (CSDUs or semisubmersibles) and drillships.

With a long history o service excellence, ABS is able to provide a wealth o technical knowledge andpractical experience at all relevant stages o a MODU project. ABS engineers and surveyors will workclosely with the designer, owner and the selected shipyard, as appropriate, to veriy conormance withthe ABS Rules and applicable regulatory standards. Our global approach to project management providesour clients with a consistent and eective administration o even the largest, multinational oshoreprojects.

Classication is a lie cycle approach to the design, construction and operation o a drilling unit. Aterdelivery, maintenance o classication requires periodic surveys to veriy that the MODU remains incompliance with the ABS Rules or Building and Classing Mobile Oshore Drilling Units (MODU Rules).A global network o ABS engineers, surveyors and operational support sta, delivers ecient, practicaland responsive service in support o our clients and their ABS-classed MODU feet.

ABS maintains relationships with all o the principal fag Administrations, providing a rapid and ecientinterace that can signicantly accelerate regulatory compliance.


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Oshore Drilling Units: the ABS AdvantageThe ABS experience, technology and services outlined in the ollowing pages demonstrate ourcommitment to being the preerred provider o classication services to the oshore industry and,in particular, to the drilling unit sector.

Our CommitmentOur Mission is to promote the security o lie and property and preserve the natural environment. Wepursue this mission primarily through the development and verication o compliance with technicalstandards that encourage robust designs and the provision o solutions-oriented survey services. Drillingunits built and maintained to these standards may be accepted into and retained in ABS class.

We are committed to providing superior technical and survey services that assist our clients in conorm-ing to these standards. Our commitment starts at the earliest stages o your project. We can assist withpreliminary planning and advice, including pre-sanctioned ront-end engineering and design (FEED)phases, through onsite meetings and review o the design. By involving class at this very early stage, beoredetailed plans are drawn or concepts selected, ABS can provide you with a technical evaluation o the basicdesign concept being proposed including, when required, approval in principle (AIP). ABS evaluation maybe based upon the application o prescriptive requirements together with a series o overall risk analysesand special studies.

Our StaThe ABS organization includes more than 5,000 engineers, surveyors and operational support sta, locatedthroughout the world. ABS maintains engineering oces in Houston, Rio de Janeiro, London, Singapore,Yokohama, Busan and Shanghai to acilitate the design review o drilling units. Our experienced proes-sionals provide technical support and assistance to clients rom the initial design concept, through thedesign approval process, during construction and throughout the entire service lie o a drilling unit.


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Our Drilling Unit FleetABS provided the rst classication or a MODU in 1958. Publication o the ABS Rules or Buildingand Classing Mobile Oshore Drilling Units, the rst classication Rules or MODUs, ollowed ten yearslater in 1968. Those Rules have been subject to continual review, improvement and expansion over theintervening years and are widely recognized as the industry standard or the design and construction oMODUs. Industry representatives drawn rom drilling contractors, operating companies, shipyards, designrms and academia participate in the ABS Special Technical Committee or Mobile Oshore Drilling Unitsand provide direct input to the maintenance and improvement o the ABS MODU Rules.

Jackups

The sel-elevating drilling unit has long been the workhorse o shallow water oshore drilling. As theneeds o the oshore industry have increased, so have the capabilities o the jackups. ABS has classed eachnew generation o jackups, supporting the innovation that is so prevalent in oshore exploration.

SEDU builders reer to the ABS MODU Rules or guidance on detailed design, material selection, welding,structural analysis requirements, hull and equipment criteria, machinery and surveys ater construction.ABS has responded to the technical challenges posed by jackup modications and new designs withcommentaries or specic direction as to how to apply and interpret class Rules or the project.

Such guidance has included issues such as: description o stepping wave through the structure;loading directions o the waves; the inclusion o the P(orce)-Delta eect in the analysis; details o the

hydrodynamic leg-modeling procedure; consideration o gravity loads and buoyancy; importance o legbuoyancy; clarication o total-elevated load; and an analysis o the eects contributed by the spudcans.


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Semisubmersibles

Semisubmersibles, also known as column-stabilized drilling units, are requently chosen by operators ortheir deepwater drilling operations. They can be towed into position and anchored or moved and kept inposition by dynamic positioning systems. ABS has classed such units rom the earliest days o the industryto todays sixth generation deepwater units. First generation units were able to drill in 600 oot waterdepth; sixth generation semisubmersibles are now capable o drilling in 10,000 eet o water.

Drillships

ABS has classed every type o drillship including those designed to the highest specications or operationin the deepest water depths that have been explored to date. Many o these drillships are intended or ultradeepwater operation at locations approaching 12,000 eet water depth. ABS has also participated in theupgrades o existing units or service in deeper waters.

Tender Drilling Units & Others

In addition to the three principal types o MODUs described above, ABS has classed many other oshoredrilling unit types including tender drilling units, submersibles and barge drilling units. As designers

develop new and novel drilling concepts, such as mono-column caisson units, they requently rely on ABSextensive drilling unit background to assist the designer to mature the concept and evaluate the specictechnical needs o each.


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Our Drilling Unit Industry LeadershipABS has been providing classication services to the oshore industry longer than any other class society.

We have provided these services to assist clients in meeting the many technical challenges that have arisenand this includes many industry rsts. The ABS MODU Rules were the rst o their kind and ormed thebasis o the IMO MODU Code. Other ABS oshore industry rsts include:

Classed rst MODU

Issued rst MODU Rules

Issued rst classication guidance or the application o ergonomics to marine systems

Issued rst classication guidance on the application o synthetic ropes or oshore mooring

Released guidance or mobile oshore units operating on the Norwegian Continental Shel

Issued rst habitability notation or MODUs

Introduced the Oshore Structure Assessment Program to assist MODU designers with meetingclassication requirements

Our FeesABS ees can be tailored to a drilling contractors feet prole and operational and managementrequirements. These approaches could include Master Service Agreements and Five-Year SurveyFee packages as appropriate.


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A Multi-Level Approachto ServiceABS service delivery consists o three categories, tailored tomeet the specic needs o all MODU owners and drillingcontractors.

Category I: Classifcation & Statutory Services

The range o services associated with the issuance andmaintenance o the classication and required statutorycerticates including coastal State requirements or all majoroshore operational areas. Owners may then choose to selectrom the range o additional optional products and servicesoered in Categories II and III.

Category II: Optional Notations & Class-Related Services

Several valuable, optional, class-related services are providedby ABS including elements as diverse as training and advancedstructural analysis. This category also includes additionalnotations that may be used by the owner to demonstrate thatthe unit has been designed or is being operated in accordancewith standards beyond those required under Category I orroutine classication and statutory certication.

Category III: Services Provided by ABS Groups

Several additional optional products and services are providedby ABS Group, an aliated company o ABS.


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Category I---------------------

Required Classifcation & Statutory ServicesThese services assist an owner or builder to design, construct and deliver a MODU that can be considered

or acceptance into ABS class as conorming to the applicable ABS Rules as well as the IMO MODU Code.These services also assist an owner or operator to maintain the unit to ABS class requirements throughoutits operational lie as determined by the successul completion o periodic and damage surveys.

When ABS is authorized to act on behal o the fag State or coastal State, these services also include theapplicable statutory inspections.

Required classication and statutory services comprise six parts:

1. Class Notations

2. Design Analysis, Plan Review & Approval

3. Project Management & Vendor Equipment Coordination

4. Surveys During Construction or Major Modication

5. Surveys Ater Construction

6. Statutory Inspections


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Class NotationsABS, in cooperation with the owner and the shipyard, will identiy at the outset the class notations that

will be applied to the MODU. The notations attest to the capabilities o the unit and identiy the classRules and requirements that will be applied throughout the class process. The mobile oshore drillingunit notations will include one or more o the ollowing.

The Maltese Cross () symbol is assigned to a MODU or which the hull construction and themanuacture o its machinery and components have been carried out under ABS survey. The MalteseCross will be omitted or units accepted into ABS class but not built under ABS review and survey.

A1 is a classication symbol that, together with the Maltese Cross, indicates compliance with the hullrequirements o the applicable ABS Rules, or their equivalent, and survey by ABS during constructiono the unit. The symbols A1 will be ollowed by the appropriate main class notation that identies thetype o unit.

In accordance with the ABS MODU requirements, the main ABS class notation or a unit would be either:

A1, Sel-Elevating Drilling Unit

A1, Column-Stabilized Drilling Unit

A1, Drillship

AMS is assigned to sel-propelled vessels and oshore units or which the machinery, boilers and systemsare ound satisactory with regard to the ABS requirements.

Optional class notations that reerence dynamic positioning systems, additional equipment, the application

o the dynamic loading approach, strength criteria, spectral atigue analysis and the certied drillingsystem (CDS) notation among others, are addressed in Category II o this document.


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Design Analysis,Plan Review & ApprovalMODUs are built to the ABS Rules

or Building and Classing MobileOshore Drilling Units and, withinthese Rules, the Rules or Conditions

o Classifcation Oshore Unitsand Structures (Part 1) are considered.MODU designs intended to bebuilt to ABS class undergo varioustechnical reviews as well asstructural analysis by ABSengineering sta. The technicalreviews include:

Hull Structural AnalysisABS reviews material selection,welding procedures, scantlings,

overall strength, local strength andyielding, buckling and atigue orcompliance with the applicableRule requirements.

Machinery SystemsABS ocuses on piping and electrical systems, reghting and saety systems as well as hazardous orspecialized areas such as the drill foor or the jacking gear or sel-elevating drilling units.

Plan Review

ABS provides responsive, proessional, technical services to the designers, builders and owners o MODUs.

These services are oered through a network o local engineering oces that have been strategicallyplaced in the major oshore centers to acilitate the design review o the many MODUs ordered toABS class.

Our engineering sta can work with the designer rom the earliest conceptual stage o a MODU projectproviding advice on the application o the ABS Rules and the relevant statutory and coastal Stateregulations.

ABS has developed and routinely applies technologically-advanced methods that address globalperormance o foating structures. We apply rst principles structural analysis to oshore installationsincluding global and local strength, atigue and yielding, buckling and ultimate strength. ABS also

considers the application o composite materials on oshore installations.

Design review requently includes:

Jackup dynamic analysis

First principles structural analysis

Stability analysis

Marine systems electrical and mechanical

Composite materials on oshore installations

Seakeeping analysis

Sea load assessments or complex sea states Statutory review and certication fag and coastal State


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Saety review may include:

General arrangements

Gas dispersion and thermalradiation

Structural re protection

Active reghting systems

Fire, gas and smoke detectionsystems

Means o egress

Liesaving appliances

Abandonment

ABS EagleEngineering Manager

ABS has implemented theadvanced, secure, electronicABS Eagle Engineering Managerplan review system. ABS EagleEngineering Manager providesonline, web-based interactionbetween the units designteam and the ABS engineersundertaking plan review. UsingEngineering Manager, all plansare handled electronically romsubmittal to return.

Teams o ABS specialists indierent engineering disciplinesand dierent regions o the worldcan all work on the design reviewsimultaneously. The number andidentity o the reviewing engineerscan be restricted and their actionsare ully traceable as part othe systems built-in securitysaeguards.

The ABS Eagle EngineeringManager system allows thesubmitter or each drawing orinormation package to controlthe distribution o the commentsand drawings or documents to anyo the involved parties includingthe owner and the shipbuilder.Compared to the traditionalpaper-based plan review process, the system oers aster overall review time and improves the lines

o communication between ABS and the designers and vendors to quickly resolve questions or Ruleinterpretations.


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Project Management & Vendor Equipment CoordinationOshore drilling unit construction and conversion projects are requently large, multinational eortsrequiring diligent coordination. The ABS project manager, supported by the vendor equipmentcoordinator, provides a single point-o-contact or both our clients and their vendors on major oshoreprojects. The vendor equipment coordinator, working with the large number o vendors and sub-vendors, will acilitate the delivery o vendor-supplied equipment with the appropriate supporting

approved documentation.

Surveys During Construction or Major ModifcationDrawing rom its global network o experienced oshore surveyors, ABS assigns appropriate personnelto each newbuilding MODU project or major modication, wherever in the world construction is tobe undertaken. These surveyors will veriy that construction is in accordance with the Rules, approvedplans and statutory requirements. They will work closely with both the shipyard and the owner to assistin reconciling questions o interpretation.

The principal activities and services carried out by a surveyor during new construction include:

Veriy compliance with approved drawings

Conrm materials, t-up and welding

Examine nondestructive testing

Witness structural integrity testing

Veriy machinery testing

Attend system commissioning

Certiy vendor-supplied equipment and material certication

Conrm qualication o welders and welding procedures


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Veriying compliance with approved drawings means approved plans are ollowed by the builder usingapproved material and components, proper installation techniques, good workmanship practices and with

adherence to the Rules. Surveyors are also involved at various levels with the building, installation andtesting o the structure and principal mechanical and electrical systems.

Major system testing or commissioning requirements include:

Bilge and ballast system

Ventilation including dampers and shutdowns

Electrical installations both main and emergency

Fuel and lube oil systems

Emergency shutdown systems

Mooring and/or positionkeeping systems Structural re protection

Fireghting systems, xed and portable

Fire and gas detection and associated alarm systems

Internal communication systems

Drain systems

Machinery testing in accordance with the Rules includes testing at the point o manuacture and thenal assembly at the shipyard. Where required by the Rules, eld surveyors will attend and/or auditmanuacturing and construction at vendor shops and abrication yards. Surveyors will attend and/or

audit steel mills, engine manuacturers and oundries producing castings and equipment to veriy thatthese are produced to the specications contained in the applicable ABS Rules.


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Major Modifcation Services

ABS has assisted drilling contractors to keep pace with the technical challenges imposed by advancesin exploration unit technology. This has oten led to the modication o existing units, particularly withrespect to upgrades o their drilling capability and associated systems and accommodation. Whateverthe modication, ABS is amiliar with the implications o these changes to the unit and can veriy themodications conorm to the applicable classication and statutory standards.

Dock Trials, Sea Trials & Delivery

ABS surveyors will attend the unit during dock and sea trials to veriy that the class requirements or thestructure and systems are ullled.

Acceptance into Class

Once all outstanding issues are resolved, the unit is presented to the ABS Classication Committee.The committee, comprised o ABS members drawn rom the marine, oshore and insurance industriesand including a representative o the US Coast Guard and ABS ocers, assesses the assets compliancewith the Rules based on their collective experience and recommendations rom the ABS sta. Once

accepted by the committee, the unit receives its ull-term certication.

The units classication inormation, characteristics and other particulars are then entered into theABS Record, the electronic register o vessels classed by ABS. The ABS Record is maintained and updatedon the ABS website. Additional optional class notations may be recorded or each o these units. Theseare discussed in the Category II section.


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Surveys Ater ConstructionABS Rules require that everyclassed asset be subject to periodicsurveys throughout its service lieto veriy that it is maintained inaccordance with the applicable

classication standards. Thisimposes a requirement or the unitto be subject to a series o periodicsurveys Annual, Intermediate,Special and Drydocking. Promptattendance by an ABS surveyor orthe requisite periodic survey is madepossible by the extensive, globalnetwork o strategically placed ABSsurvey oces.

Special Periodic Survey

All surveys to satisy the specialsurvey requirements are to becompleted within the windowo the ourth and th annualsurvey and the work is to becompleted within 15 months.

Special Continuous SurveyA system o continuous surveysmay be used to satisy thespecial survey requirements.All o the requirements o the

particular special survey mustbe completed within the ve-year cycle. Continuous surveyscan be established or bothhull and machinery.

Risk-based InspectionThe adoption o risk-basedinspection (RBI) principlescan assist in ocusing attentionon elements critical to theoperation. Risk-based inspection

is a tool that enables a moreeective application oinspection resources to thoseareas o a system where thereis maximum benet to begained.

ABS has developed the Guide or Surveys Using Risk-Based Inspection or the Oshore Industry to provideguidance or owners, operators, maintenance managers and inspectors regarding the key elements oa suitable RBI program to be used in lieu o traditional maintenance o class surveys.

ABS also recognizes the operational and contractual requirements o MODUs and thereore acceptsunderwater inspection in lieu o drydocking (UWILD) subject to approved planning documents.


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ABS Eagle Survey Manager

To help the MODU owner, operator or manager plan or the required periodic surveys in an ecient,cost-eective and inormed manner, ABS provides the operator with access to the advanced, web-basedABS Eagle Survey Manager program.

The Survey Manager system has been in use or several years (ormerly under the ABS SaeNet name) and

has been subject to requent enhancement and expansion. Positive user eedback gives us the condenceto consider the Survey Manager system to be the most advanced, useul and easy-to-use system currentlyavailable to MODU operators to monitor the classication status o their units.

ABS Eagle Survey Manager eciently manages the class and statutory data or an owners entire ABS-classedfeet in a web-based electronic ormat. Owners have access to the data rom multiple locations in theoce, on board a unit or rom remote sites such as a repair yard.

Survey Manager includes a record o the tank condition; historical records o survey dates, locations andsurveys carried out; a record o outstanding recommendations, both open and closed; and a system tointegrate survey activities and review the status with the ABS planned maintenance module.

Rig owners are able to select the interval to receive messages regarding upcoming and overdue surveys.Multicolored timelines o survey due dates signicantly diminish the need to view individual listingso survey items such as hull, machinery and equipment.


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ABS Eagle Survey Manager providesa wide range o inormational andsupport services to the operator inreal time at an oce or on board theunit. Services include:

A feet summary and completestatus o class surveys or eachABS-classed MODU

Status o statutory surveys andcerticates issued by ABS onbehal o the fag Administration

Timeline presentations o theclass and statutory surveyscompleted in the previousthree years, surveys in progressand surveys scheduled orthe next ve years including

identication o grace periods Principal particulars o each

MODU

MODU attendance history withlinks to related ABS reports

An online certicate list and lecontaining copies o ABS-issuedclass and statutory certicatescurrently on board the MODU

Fleet level tools or budgeting

within user-dened periods(such as drydockings)

Status indication o surveyscompleted, oten beore thesurveyor leaves the MODU

Automated onboard issuance oclass and statutory certicates

An owner administrationmodule to enable the creationo an unlimited number o new

users and to select the MODUor feet that each individualuser will view

Tools or survey planning and survey guidance including MODU-specic templates or thepreparation o enhanced survey plans

Electronic booking o survey attendance and optional email progress notications

Damage, Failure & Repair Surveys

When the hull or machinery suers damage or ailure, ABS should be notied. ABS will determine iattendance is required and i necessary arrange or a surveyor to attend the unit as promptly as possible.

The attending surveyor will veriy that the unit remains in, or is returned to, a condition that is inconormance with the applicable Rules.


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Statutory InspectionsABS is recognized by the leading international fag States and coastal States and has been delegatedauthority to act as a Recognized Organization on behal o more than 120 governments. ABS carriesout these responsibilities during the design stage, veriying that the design complies with the statutoryrequirements o the selected Administration as contained in the various international and nationalmaritime codes and conventions including:

Stability

Load Line

Watertight subdivision

Saety construction and saety equipment

Fireghting

Liesaving regulations

The maritime codes and conventions could include the IMO MODU Code, Marine Pollution Prevention(MARPOL), Tonnage, Load Line and Anti-Fouling System (AFS) Conventions and the ISM and ISPS Codeswhere applicable. In addition to the national or international tonnage certicates, ABS can issue Panamaand Suez Canal tonnage certicates on behal o those authorities. Once in service, when authorized by thefag State, ABS will conduct the applicable periodic statutory inspections and issue the relevant certicates.

Every nation can implement its own requirements or a drilling unit to operate in its waters, known ascoastal State requirements. ABS can assist a MODU owner in veriying the unit meets certain coastal Staterequirements as applicable.


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ISM Code Compliance

As a Recognized Organization or many fag States, ABS is authorized to act on their behal in perormingaudits and issuing certicates required by the International Management Code or the Sae Operation oShips and or Pollution Prevention (the International Saety Management ISM Code). These include

both the audits o the MODU operator leading to the Document o Compliance (DOC) certicate and theaudit o the unit which, when successully completed, will result in the issuance o the Saety ManagementCerticate (SMC) to that unit. ABS maintains a global pool o qualied ISM auditors able to respondpromptly to client needs.

ISPS Code Compliance

A large number o fag States have authorized ABS to act on their behal as a Recognized SecurityOrganization. In this capacity ABS can approve security plans, perorm security audits o MODUs andissue International Ship Security Certicates on behal o those fag States. The ABS Guide or ShipSecurity (SEC) Notation has been made available to assist operators in achieving compliance with thestatutory security requirements o the International Ship and Port Facility Security (ISPS) Code and in

obtaining the ABS SEC notation. ABS maintains a global pool o qualied ISPS auditors able to respondpromptly to client needs.


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Category II

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Optional Notations & Class-Related Services

To urther assist owners o MODUs, ABS oers a range o optional services and notations, rom structuralanalyses to standards that address the habitability o the onboard living conditions, to enhance the saetyo the unit and the quality, environmental and health standards relating to its operation.

Category II services comprise nine parts:

1. Optional Notations

2 Technical & Engineering Services

3 Fleet Management Systems

4. Hull Integrity Management Programs

5. Machinery Maintenance Services

6. Integrated Management Systems Certication

7. Rapid Response Damage Assessment

8. Training Services

9. Inormation Services

Optional Notations or MODUsMODUs can receive several optional ABS notations. Conormance with the standards required or theaward o these optional notations allows an owner to demonstrate that a particular unit has been built oris being operated to internationally recognized standards that exceed those required solely or the issuance

o the main class notation or or conormance with mandatory statutory requirements.


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Optional notations or MODUs include:

ACC orACCU ACC is assigned to a sel-propelled MODU having the means to control and monitorthe propulsion machinery space rom a continuously manned centralized control and monitoringstation installed within or adjacent to the propulsion machinery space. This notation may be enhancedor unattended operation, orACCU, indicating the means to control and monitor the propulsionmachinery space is provided rom the navigation bridge and rom a centralized control and monitoringstation installed within or adjacent to the propulsion machinery space.

AMCC orAMCCU AMCC is assigned to the automatic or remote control and monitoring systemsor non-propulsion related machinery and systems provided that the applicable requirements o theABS Guide or Automation or Remote Control and Monitoring or Machinery and Systems (other thanPropulsion) on Oshore Installations are satised.AMCCU is assigned when the machinery spaces andsystems can be periodically unmanned and monitored remotely.

CCO is assigned to a unit designed, equipped and intended to operate in low temperatures thatcomplies with the ABS Guide or Vessels Operating in Low Temperature Environments.

CDS indicates that the units drilling system, including the blowout preventer, has been designed,built and maintained to the standards contained in the ABS Guide or the Classifcation o DrillingSystems.

CRC signies that the units cranes are designed and constructed in accordance with Chapter 2 othe ABS Guide or the Certifcation o Liting Appliances. A Register o Liting Appliances attesting tocompliance with the requirements o the Guide will be issued at the request o the owner or builder

upon satisactory completion o plan review, in-plant survey, installation and testing o the crane tothe satisaction o the attending surveyor.


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DLA is assigned to vessels which have been evaluated using an enhanced structural analysisprocedure and criteria or calculating and evaluating the behavior o hull structures under dynamicloading approach.

DPS-0, DPS-1, DPS-2 or DPS-3 indicates that a unit is tted with a system o thrusters, positioninginstruments and control systems capable o automatically maintaining the position and heading at seawithout external aid within a specied operating envelope under specied maximum environmentalconditions. The assigned numeral (0, 1, 2 or 3) indicates the degree o redundancy.

signies that the equipment o anchors and chain cables o the unit is in compliance with therequirements o the Rules or with the requirements corresponding to the service limitations noted inthe units classication.

ENVIRO-OS or ENVIRO-OS+ is assigned to an oshore foating installation denoting adherenceto enhanced standards or environmental protection. The standards are contained in the ABS Guide

or the Environmental Protection Notation or Oshore Units, Floating Installations and Litboats. Theyinclude procedures and requirements or ballast water and sewage management, anti-oulingapplications, airborne pollutant discharges, uel oil and the use o exhaust gas cleaning systems,rerigerants and the Green Passport or ship recycling.

GP is applicable to new and existing units that have had the units details and Part 1 o the Inventory

o their Green Passport prepared and certied to the requirements o the ABS Guide or the ClassNotation Green Passport (GP).


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HAB, HAB+ or HAB++ is assigned to a unit that complies with the criteria or crew accommodationsand ambient environment (i.e., vibration, noise, indoor climate and lighting) provided in the ABSGuide or Crew Habitability on Oshore Installations. For HAB+ and HAB++, installations must meetmore stringent vibration and indoor climate criteria with the aim o increasing crew comort.

HELIDKor HELIDK(SRF) HELIDKis assigned to units with a helicopter deck intended or landingwith no provision or storage or reueling as per criteria included in the ABS Guide or the ClassNotation Helicopter Decks and Facilities. HELIDK(SRF) is assigned to units with a helicopter deck anda helicopter acility or storage and/or reueling.

HIMP signies that the unit is enrolled in the Hull Inspection and Maintenance Program inaccordance with the ABS Guide or Hull Inspection and Maintenance Program.

HSQEEn, HSQE, HSQEn, HSEEn, SQEEn, HSEn, HSE, HSQ, SEEn, SQEn, SQE, HS, SEn, SE,SQ, S indicates the unit complies with the relevant criteria or health, saety, quality, environmentaland/or energy management systems in the ABS Guide or Marine Health, Saety, Quality, Environmentaland Energy Management.

Ice Class is assigned to a unit that complies with the designated ABS Rules or Building and ClassingSteel Vessels, Part 6 Optional Items and Systems or the ABS Guide or Building and Classing VesselsIntended or Navigation in Polar Waters based on the operating area and ice conditions.

MLC-ACCOM is assigned to a unit complying with the criteria contained in the ABS Guideor Compliance with the ILO Maritime Labour Convention, 2006 Title 3 Requirements or crew

accommodations and the associated ambient environmental characteristics (i.e., vibration, noise,indoor climate and lighting).


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signies that the anchor, chains or wire rope, which have been specied by the owner or positionmooring, have been tested in accordance with the specications o the owner and in presence o asurveyor.

NBL, NBLES or NIBS is assigned to a unit that complies with the relevant section o the ABS Guideor Bridge Design and Navigational Equipment/Systems.

RCM ollowed by the applicable qualier such as (CDS) indicates the unit complies with the ABSGuide or Survey Based on Reliability-Centered Maintenance as it applies to the units auxiliary systems.

signies that the anchor, chains or wire rope satisy the requirements in the ABS Rules or Building

and Classing Mobile Oshore Drilling Units or position mooring. POT is assigned to a unit that meets the requirements or the protection o uel and lubricating oil

tanks in the ABS Rules or Building and Classing Mobile Oshore Drilling Units

SEC indicates the unit complies with the ABS Guide or Ship Security (SEC) Notation.

SFA is assigned to units where spectral atigue analysis is perormed in accordance with criteriaestablished in the ABS Guide or the Fatigue Assessment o Oshore Structures. I the design atigue lieis greater than the minimum required 20 years, the notation SFA will be ollowed by the design atiguelie in years (in ve-year increments).

UWILD underwater parts o the MODU are to be examined at prescribed intervals. This examinationmay be conducted without the need to drydock the unit where an underwater inspection plan has

been submitted and approved in accordance with the requirements contained in the ABS Rules orBuilding and Classing Mobile Oshore Units.


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Technical & Engineering ServicesDuring the early stage o MODU development, ABS personnel can be made available to discuss areaso concern with the clients design team. Called preliminary planning and advice (PPA), this servicewill provide subject matter knowledgeable personnel to discuss the developing design with respect toconormance with class and statutory requirements.

PPA requently proceeds to approval in principle (AIP). AIP allows a client to submit design documentsor subsystems, systems or or the ull acilities or review by ABS. The depth o the design review by ABSis determined by the maturity o the design. The ABS review will ocus on compliance with class andstatutory requirements and note any nonconormances identied or resolution at a later stage o design.

As the design continues to mature, clients requently request a basic design approval by ABS. This basicdesign approval is based on the ull MODU and will continue to ocus on compliance with class andstatutory conormance. During this review, ABS will generate comments on any areas o nonconormanceidentied. Resolution o these comments can be done within the context o the basic design approval ormay be held over or resolution during the detailed design review phase.

PPA, AIP and basic design approval are not requirements o ABS class. These early stage engineeringsupport eorts are oered to our clients to assist in the development o the design and minimize reworkthat could result rom a noncompliant design. These early stage engineering support eorts precededetailed engineering design review required or classication or certication addressed in Category I.


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Engineering Analysis

ABS personnel are available to provide a wide range o additional engineering-related analyses during thedesign evaluation and plan review phases o a MODU project. Depending on the size and type o MODU,a variety o additional analyses can be perormed:

Global and local strength analysis

Traditional atigue analysis

Redundancy analysis

Nonlinear mooring analyses

Minimum tension requirements o mooring lines

Dynamic loading analysis

Spectral-based atigue analysis

The ollowing ABS analytical sotware may be applicable:

ABS Eagle OSAP (non ship-shaped)

ABS Eagle DLA/SFA FOS (ship-shaped)

ABS Eagle OSAP

The latest version o the ABS Eagle Oshore Structure Assessment Program (OSAP) allows designers ounits to check the compliance o their designs more easily with ABS class requirements. The sotwarestreamlines the complex design code check process by assisting users in determining environmentalloads, transerring hydrodynamic loads to the structural model and extracting structural analysis resultsrom a user-selected nite element analysis program. OSAP serves as a data processing hub that connectsthe hydrodynamic and structural analysis sotware and passes the analysis results on to its design codecheck unction.


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ABS Eagle DLA/SFA FOS

A detailed evaluation o the MODU structure, applicable primarily to drillships, can be carried out usingthe dynamic loading approach. This ABS-developed, rst principles approach evaluates hull structurestrength to withstand the principal ailure modes o buckling, yielding and atigue. Central to thismethodology is the use o a program based on seakeeping theory or calculating the loads and responsesor a range o wave directions and loading conditions. The dynamic loads are then applied to a three-dimensional (3-D) nite element model o the drillship to assess the adequacy o the structure.

In addition, this procedure can also be used or the application o the spectral atigue analysis method orthe evaluation o structural atigue strength. SFA is a rational analysis procedure or evaluating atiguelie related to possible local cracking o ship structures. The spectral-based method or evaluating atiguestrength due to the wave-induced responses is well established and has been extensively documented.

To streamline these procedures, ABS has integrated the proven analysis o both DLA and SFA into thisABS Eagle sotware addressing foating oshore structures (FOS). Using a sel-generated or user-suppliednite element model, the program can perorm a thorough DLA and SFA analysis o a units structure 3-D seakeeping, short and long-term statistical analysis, nite element analysis, strength evaluations andatigue assessments are ully integrated.

Drillship designs that successully undergo an ABS DLA/SFA evaluation will be awarded optional notations

denoting the application o this methodology, DLA, as well as a notation indicating the units designedatigue lie environment, e.g. SFA(30).


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ABS Eagle Rule Manager

To urther simpliy the application o the relevant ABS Rules and statutory regulations at the designstage, ABS has developed the advanced, web-based ABS Eagle Rule Manager. This application allowsthe designer and owner to easily and quickly identiy and access relevant ABS Rules and statutoryrequirements or the unit. The built-in search capability allows the owner, shipyard or designer tospeciy the scantling length, contract date, delivery date, class notations and other criteria which, in

turn, highlights the relevant ABS Rule text and the IMO requirements or that specic project.

Advanced input parameters can be used to narrow the search criteria to the Rule requirementsapplicable to a specic system, component, structural element, item o equipment, notation or survey.Hyperlinks embedded within the text provide the user with immediate window access to other relatedsections o the Rules. The user can also generate check sheets that can be used to veriy that applicableRule requirements have been addressed during the design and construction phases o a project.


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Asset Management SystemsMODU operators are adopting maintenance procedures that promote the lie cycle integrity o a unit. Toassist them, ABS Nautical Systems oers a variety o programs that provide a ramework or maintainingthe structural and mechanical condition o a unit.

NS5 Enterprise

ABS Nautical Systems is a leading provider o asset management sotware or the marine and oshoreindustries. Marketed as a suite o products called NS5 Enterprise, the sotware modules can unction ona standalone basis or as a ully integrated management solution that addresses the principle elements o aMODUs daily operational unctions.

Designed or the needs o the oshore industry, this sotware system allows the operator to better manageroutine structural and mechanical inspection and maintenance; manage inventory and personnel records;control HSQE documentation; and conduct root cause analyses.

NS5 Enterprise can eciently handle tasks ranging rom regulatory compliance to payroll to plannedmaintenance and quality programs. The modules share inormation, eliminating the need or repetitivedata entry, and allow the user to move rapidly rom one module to another.

Through the use o NS5 Enterprise, improved eciencies, increased productivity and reduced costs can be

realized. The integrated architecture makes adding modules simple. Each module is valuable on its ownbut the complete suite provides the most powerul, single-source asset management tool available.


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NS5 Enterprise is an easy-to-use Windows-based system with ull replication capability. Solutions areavailable in the ollowing categories:

MaintenanceManagement

SupplyChainManagement

WorkforceManagement

SafetyManagement

EnvironmentalManagement

Inormation on the ull capabilities o the modules available and how the NS5 Enterprise assetmanagement sotware can improve operating eciency can be ound at www.eagle.org within theSotware section.

Hull Integrity Management ProgramsThe ABS Guide or Hull Inspection and Maintenance Program addresses requirements or developing a hullmaintenance management system. Vessels enrolled in this program will be eligible or the class notationHIMP, which will be entered in the ABS Record. ABS has developed hull integrity management sotware toassist owners and operators in taking an active role in inspecting and maintaining their vessels.

NS5 Enterprise Hull Inspection

The Hull Inspection module within the ABS Nautical Systems NS5 Enterprise asset management sotwaresuite is a browser-based tool that eciently schedules hull inspections, targets critical areas within thehulls structure and identiy specic areas or ongoing monitoring. The tool contains a built-in dashboard

or high level reporting and analyses, maintains a record and history o inspections and records thecondition o the hull with an easy to understand trac light status in a two-dimensional spatial model.


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ABS Hull Maintenance

As a standalone system, ABS Hull Maintenance provides a sophisticated, advanced management andinormation program that can be used to track the condition o the units structure throughout its servicelie. The program allows or increased unctionality via management o condition data in a virtual 3-Denvironment and handles the execution and management o inspections easily.

With eatures such as the navigation and visualization o the hull condition in a 3-D model, the ABS HullMaintenance program automates repair planning and cost estimation, imports and exports gauging plansand trends the uture condition o structural components using built-in calculation utilities.

Users can store gauging, coating and anode inormation, damages and repair data and the photos andsketches associated with these events. The actual condition o any part o the structure can be assessedat any time rom the stored data and condition and then used to predict remaining lie beore a renewallimit is reached. A report on structural diminution or any part o the unit can be generated automatically.Repair costs can also be generated or user-specied scenarios.

The benets o the hull maintenance system include:

Displays a compartment extract rom the hull model giving the user the ability to see compartmentdata and highlight specic sections or more detailed review

Stores multiple le types such as documents/reports, photos, sketches, video, etc., o structuralmembers linked directly to each section or detailed visual and technical assessment

Tracks multiple anomalous conditions such as damages, ractures, buckling, grooving and pitting

Holds a lie history o gauging inormation to acilitate analysis o past structural degradation andanticipated uture degradation using built-in trending tools

Compares actual condition data against as-approved or Rules scantlings or gauging evaluation as perprescribed renewal criteria


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Tracks coating application andcondition through the lietime othe unit and stores the location andcondition o anodes

Generates coating materialestimates including cost or user-dened scenarios

Highlights wastage levels and areaso substantial corrosion usingcolor coding o the various hullstructures in the model

Generates steel weight, cost dataand bill o materials or isolatedrepairs or dierent repair scenarios

Enhanced Monitoring System

The maintenance management o aMODU can be enhanced through theuse o a unit-specic manual created byABS upon request. It shows pictoriallythe critical areas in the structureidentied in the plan approval processand the areas known to be susceptibleto damage rom both industry andhistorical experience.

The aim o this optional program isto help operators extend the service

lie o their existing MODU feet in arational and cost-eective manner. Thisenhanced monitoring provides a clear

presentation o the current and enhanced inspection criteria or each installation design. This data can beintegrated into an operators electronic work tracking system and used to develop asset maintenance plans.

Although the enhanced monitoring suggests higher criteria, it is not a mandatory program and the ABSclass survey requirements are unchanged by this service. Enhanced monitoring can help the operator tozero-in on traditional, installation-specic problem areas.

Hull Condition Monitoring

Some owners may elect to monitor the hull stress levels throughout the units service lie. A serieso strain gauges, accelerometers, alarms and recording devices can provide an early warning systemto avoid overstressing the hull structure, allowing the units operators to monitor how the unit isperorming relative to its design limits and how the unit responds to changes in operational conditions.This approach can provide a warning on green seas, excessive unit motions and hull girder stress. Thesystem can be integrated with a data recorder allowing or the collection o a wide variety o technicalinormation.

The approaches covered by the ABS Guide or Hull Condition Monitoring Systems extend rom simpleone-motion monitoring systems to sophisticated data recorders covering a multitude o hull, systems andmachinery parameters. The reason or tting hull monitoring systems is to acquire, display and/or recordinormation and then use the inormation as a basis or making decisions that will improve operationaleciency and/or saety.


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The overall hull condition monitoring process is one o: data measurement; data collection andconditioning; data processing and evaluation; and results presentation and storage. At the request o theowner or shipyard, a hull condition monitoring system which complies with the requirements o thehull condition monitoring Guide will be given a notation HM1, HM2, HM3, as appropriate, ollowedby the applicable qualier such as Green Seas Warning, Unit Motion, Hull Girder Stress, Local LoadMonitoring, Fatigue Monitor,Voyage Data Recorder (VDR) or Enhanced VDR.

Machinery Maintenance ServicesMODU operators are adopting maintenance procedures that promote the lie cycle integrity o theunit. To assist them, ABS oers a variety o programs that provide a ramework or maintaining themechanical condition o the unit while leveraging the operators maintenance program to support theclass maintenance o the rig.

Preventive Maintenance

Planned maintenance and condition-based maintenance are two approaches utilized within thepreventive maintenance program to assist owners with maintaining machinery on units. Oten thesetechniques are used concurrently. By applying either, or a combination o the ollowing preventive

maintenance approaches, credit can be given towards the requirements o the Continuous Survey oMachinery.

Planned MaintenancePlanned maintenance involves the setting o ormal schedules or maintenance and overhaul omachinery. Running time or calendar time may be used or establishing a schedule. Such schedulesare generally established by the machinery manuacturer and include lubrication servicing; lter,bearing and seal replacements; as well as major overhauls.


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Condition-based Maintenance with Condition MonitoringWith a condition-based maintenance program the requency o planned maintenance tasks can bemore dynamically-driven based on the results obtained rom condition monitoring tasks. The use ocondition monitoring techniques promotes cost-eective maintenance by reducing the number o

breakdowns and extending operating periods beyond those o time-based programs. Maintenanceis undertaken as a result o the knowledge o the condition o the equipment. This results in betterutilization o resources, the controlled replacement o wearing components and reduces the incidenceo unplanned breakdown maintenance. Many maintenance procedures include condition monitoring,e.g. checking and recording o vibration levels, pressure, temperature, load current, running hours,lubricating oil analysis data and uel consumption. Intelligent use o this equipment condition datagives benets such as eliminating the need to open up machinery, saving on human resources andexpenditure on spare parts and reducing downtime and associated costs.

Reliability-Centered Maintenance

As a logical evolution o machinery maintenance program development, the application o reliability-centered maintenance (RCM) allows maintenance programs to be evaluated in a risk-based approach thatprovides the most value to an owner or operator. RCM analysis allows an owner to optimize maintenanceprograms by rst identiying unctional ailures within machinery systems that have the highest risk andthen proactively determining the optimum maintenance tasks and strategies that mitigate such potentialailures to an acceptable level. In this way, maintenance programs are created which ocus on criticalcomponents and proper maintenance strategies.

By applying RCM principles, maintenance strategies are evaluated and applied in a rational and systematicmanner. ABS can assist the owner in gaining approval or its own RCM program or maintenance o classor by urther assisting in preparing and implementing an eective RCM program or the machinery onthe unit. The ABS Guidance Notes on Reliability-Centered Maintenance provide the maintenance theory

and philosophy o RCM. In addition, the ABS Guide or Survey Based on Reliability-Centered Maintenancecontains the RCM program requirements or obtaining a special RCM notation.


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Integrated Management Systems CertifcationIn addition to acilitating the certication o a MODU to the applicable classication and regulatoryrequirements, ABS oers owners and operators additional services that allow them to demonstrate theiradoption o specic health, saety and environmental standards. Attaining certication to these optionalABS standards provides evidence that the unit is being operated to the highest standards available tothe industry. The ABS Guide or Marine Health, Saety, Quality, Environmental and Energy Management

provides operators with an integrated management system model or sae operation and or demonstratingoperational excellence.

The requirements o this Guide have been largely derived rom accepted management system principlesrefected in the International Management Code or the Sae Operation o Ships and or PollutionPrevention (ISM Code), the latest standards or Quality Management Systems (ISO 9001), EnvironmentalManagement Systems (ISO 14001), Energy Management Systems (ISO 50001) and the Specicationor Occupational Health and Saety Management Systems (OHSAS 18001). These standards have beenmarinized as appropriate or greater relevance to the practical operation o marine acilities.

Rapid Response Damage Assessment

Coastal States are showing an increased intolerance towards oshore incidents that result in pollution.Proactive owners mitigate the potential risks associated with an incident by enrolling in a Rapid ResponseDamage Assessment (RRDA) program. The ABS RRDA program provides 24-hour, 365 days per yearemergency support services to owners and operators with assets enrolled in the program. Currently theprogram covers more than 2,000 oceangoing vessels and oshore units. Emergency analysis or structuralstrength and residual stability post-incident is provided quickly to determine how critical the situation isbased on reported conditions and to assist stakeholders to develop an appropriate mitigation strategy.


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Training ServicesABS oers ocused client seminars and training services or owners and operators o mobile oshoredrilling units. Through the ABS Academy more than 150 specialized training courses are available toaddress design, construction and operational maintenance issues or marine and oshore assets. Classesare conducted in academies located in Piraeus, Singapore, Dubai, Houston, Rio de Janeiro and Busan.Topics associated with MODUs include:

Mobile Oshore Drilling Units Design & Construction

Mobile Oshore Drilling Units In-Service

Fire & Liesaving Saety or Floating Oshore Installations Fundamentals o Structures or Surace-Type Units

Fundamentals o Structures or Column-Stabilized Units

Fundamentals o Structures or Sel-Elevating Units

Certication o Drilling Systems

Dynamic Positioning Systems Installations

Welding, Inspections & Nondestructive Examination

Risk Assessment, Incident Investigation & Root Cause Analysis

Reliability Centered Maintenance (RCM) or Operators

ABS Academy oers a range o courses addressing implementing and auditing management systems torecognized industry standards. Courses can be customized and delivered at a clients acility. For moreinormation, visit the ABS Academy section on www.eagle.org.

Inormation ServicesIt is important or owners to stay inormed o the constant fow o new regulatory and classicationrequirements. Through its participation in IMO as either a member o the IACS delegation or theUS delegation, ABS is able to provide its owners with in-depth coverage and insight into these changes.Frequent regulatory updates are also posted to the ABS website at www.eagle.org and ABS owners receivea variety o inormational newsletters and publications designed to assist their understanding o the issues.ABS Rules and current regulatory inormation can also be accessed on the ABS website at anytime.


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Category III

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Services Provided by ABS Group

ABS Group, an aliated company o ABS, oers a broad range o risk-based and certication-relatedservices that have been designed to assist drilling unit operators to manage their projects and acilitiesmore eciently. These services are independent o the classication approval process and range rom theidentication o potential hazards in conceptual designs, through detailed evaluation and certicationduring construction, to assistance in addressing operational issues such as lie extension o maturesystems, incident investigation and the development o risk-based inspection and reliability-centeredmaintenance programs.

Category III services comprise our parts:

1. Engineering Services

2. Risk & Reliability Services

3. Asset Integrity Management

4. Project Management, Inspection & Auditing Services

Engineering ServicesABS Group is a leader inthe application o advancedtechnology, analysis andmodeling to complex engineeringprojects. Its technical sta isocused on preparing solutions

that maximize client ecienciesand minimize the cost ooperation without increasingexposure to risk. The servicesprovided are applicable at everystage o an oshore drilling unitproject including:

Conceptual design evaluationand comparative riskassessment

Independent third-partydesign review and analysisto veriy compliance withrelevant international,national or industrystandards

Full risk analysis o the unitand the intended operation

Comprehensive assetintegrity managementprograms

Decomissioning studies


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Stability

Assessment o the intact and damaged stability o oshore drilling units can be undertaken by theABS Group sta. Related tasks include preparation o trim and stability booklets or a wide rangeo operating conditions.

Mooring/Tendon Dynamics & Statics

ABS Group has considerable experience in the analysis o shallow water catenary moorings and deepwatersynthetic moorings. Recent experience includes analysis o single-point moorings, spread moorings andDP-assisted moorings. Specic tasks include:

Predictions o static (steady) osets o a mooring system

Dynamic response predictions o moored vessels: requency and time-domain

Dynamic directional stability o vessels at single-point moorings

Mooring line strength and anchor holding capacity evaluations

Fracture Mechanics Assessments

ABS Group can apply racture mechanics to assist a MODU operator to develop more ocused inspection

programs. Deect assessments are conducted in accordance with BS7910 and API-579 on structures withexisting deects and on new structures.


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Materials & Corrosion Engineering

Balancing corrosion control procedures with initial costs, inspection and long-term maintenance isthe key to correct implementation and lower cost operation throughout a units lie cycle. ABS Groupsmaterials and corrosion engineering services cover:

Initial assessment and inspection

Recommendations or detailed testing and analysis

Recommendations and specications or repair/reurbishment strategies

Maintenance, inspection and monitoring schedules

Serviceable lie estimates

Mechanical & Electrical System Review

ABS Group engineers can carry out hardware equipment and system verication on electrical andinstrumentation systems, mechanical and rotating machinery and re protection systems. Engineeringreview and analysis o electrical distribution systems, emergency shutdown systems, automation andremote control systems and programmable logic and control systems are also available.

Risk & Reliability ServicesMODU operators should be aware o, and seek to mitigate, the risks associated with their operations.ABS Groups risk and reliability experience covers a broad spectrum o services or the MODU operatorincluding hazard identication, explosion and re evaluations, natural disaster assessment, consequencemodeling, incident investigation, auditing, saety and environmental management program development,reliability and business interruption analysis, risk assessment, risk mitigation and risk management. ABSGroup can assist clients to lower risks to a level that is as low as reasonably practicable (ALARP). Riskassessments can be undertaken or all aspects o a acility rom drilling operations to marine and saetysystems, to the units structural integrity and the selection o the mooring arrangement. Risk studies thattake into account both man-made and natural hazards can also be carried out on associated systems such

as subsea equipment (blowout preventers), risers and pipeline end maniolds (PLEMs).


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Hazard Identifcation

To help identiy hazards, ABS Group can apply techniques such as:

Hazard and Operability Studies (HAZOP)

Hazard Identication Studies (HAZID)

Hazard Checklists

Failure Modes, Eects and Criticality Analyses (FMECA)

Hazard Registers

Quantitative & Qualitative Risk Assessments

ABS Group can undertake both quantitative and qualitative risk assessments or a MODU operator. Inquantitative risk assessments, the systematic identication and evaluation o the likely requency andconsequences o possible hazards associated with a unit and its operations are the principal inputs intothe risk management decision-making process. When it is inappropriate to perorm a quantitative study,coarse or qualitative risk calculations may be sucient and more eective.

Fire & Blast Engineering

Fire and explosions are major hazards on oshore units and they orm a major element o HSE studies.ABS Group combines a wide range o commercial and proprietary sotware tools or its re and blaststudies with access to real world test range and shock tube acilities to deliver:

Blast overpressure prediction

Ultimate strength and collapse analysis

Strengthening remedial measures evaluation

Blast wall and protective structure design and assessment

Equipment survivability under blast and blast-induced shock Jet and pool re modeling


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Evacuation Modeling

Proprietary sotware permits modeling by ABS Group o individual and group behaviors within a unitslayout and takes account o interaction with re and smoke spread models. Services include computer-modeled escape design optimization, escape calculations to IMO Resolution 757 and the sizing andpositioning o escape routes.

Asset Integrity ManagementABS Group is a recognized leader in asset integrity management (AIM) or the oshore industry. AIMcan be viewed as a comprehensive strategy, combining technical and managerial elements, to maximizethe installations uptime and optimize prots through the implementation o advanced yet practicalmethodologies including risk and reliability.

ABS Group has extensive experience in the use o key data such as gauging and nondestructive evaluationto provide predictive problem solving scenarios. Developed methods and template ormats assist inocusing inspection programs to the most likely/actual critical and problem areas or structures andprocess equipment. Once in service, the emphasis o the AIM program moves to an auditing unction oboth the hardware and the management systems that govern the units operation. Risk-based inspection

programs ocus survey scrutiny in the most eective manner. As the asset ages, a successul AIM programwill also rame the development and implementation o an eective lie-extension strategy.

ABS Group can conduct mechanical integrity assessments, damage assessments, condition assessments,extended design lie studies, re-qualication, environmental assessments, lie cycle cost calculations anddecommissioning assessments. It can develop in-service inspection plans or an operators assets that takeaccount o critical areas (atigue sensitive, hot spots, construction anomalies and deects, etc.), operationalissues, risk, cost and regulatory compliance.


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Project Management, Inspection & Auditing Services

ABS Group provides MODU owners and operators with a total project management approachencompassing eective cost control, schedule tracking, progress measurement, management o change,estimating, trending and analysis and management reporting.

Construction Management Support

ABS Group personnel are available to support construction projects as an owners representative, oeringexperience with material and equipment testing, knowledge o abrication techniques and procedures,machinery installation and nondestructive examination. These services are available during construction,trials, delivery, start-up and commissioning and include source inspection services, verication o weldingprocedures and welder perormance qualications, mill test report reviews, monitoring o contractorsQA/QC systems, material and dimensional control, monitoring o material preparation, witnessing

perormance testing and witnessing o contractors acceptance tests.

Condition Surveys

ABS Group can provide pre-purchase condition surveys, damage surveys, condition and valuation surveysand foating structure surveys or MODUs.

Quality Assurance & Security Compliance

ABS Group oers certication and compliance to internationally recognized saety, quality, environmental,energy and security management systems. Services include both consultation on establishing a programand required periodic audits and reviews o the quality or security system, process instructions and

procedures to veriy compliance. These services include development and preparation o manuals meetingISM, ISO 9001, QS 9000, ISO 14001, ISO 50001 and the ISPS Code requirements.


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Classifcation &

Certifcation Services

For more inormation on the classifcation and statutorycertifcation services provided by ABS, please contact theABS ofce nearest you. A ull listing o ABS ofces withcontact inormation can be ound on the ABS website atwww.eagle.org

For urther inormation on the products and servicesprovided by ABS Nautical Services please contact theABS Nautical Systems ofce nearest you. A ull listingo the ofces can be ound on the ABS website at

www.eagle.org within the Sotware section.

Related Services

General inquiries regarding products and services providedby ABS Group can be sent to [email protected] orplease reer to the website to contact representativesat www.abs-group.com


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WORLD HEADQUARTERS

ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA

Tel: 1-281-877-5800 Fax: 1-281-877-5803

Email: [email protected]

AMERICAS DIVISION


Tel: 1-281-877-6000 Fax: 1-281-877-6001Email: [email protected]

EUROPE DIVISION

ABS House No. 1 Frying Pan Alley London E1 7HR, UK

Tel: 44-20-7247-3255 Fax: 44-20-7377-2453


GREATER CHINA DIVISION

5th Floor, Silver Tower No. 85 Taoyuan Road

Huang Pu District Shanghai, 200021 P. R. China

Tel: 86-21-2327-0888 Fax: 86-21-6360-5391


PACIFIC DIVISION

438 Alexandra Road #10-00 Alexandra Point Singapore 119958

Tel: 65-6276-8700 Fax: 65-6276-8711


NAUTICAL SYSTEMS DIVISION


Tel: 1-281-877-5700 Fax: 1-281-877-5701


www.eagle.org

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