Diving Support - Royal IHC
Diving support
ContentsMarketMarket3 Diving supportRoyal IHC – Diving support4 IHC and Dräger, the ultimate sophisticationProducts6 Innovative vessels10 Advanced equipment414 IHC Life-cycle support6Diving supportAs a result of global economic and political developments, oiland gas prices are fluctuating. Therefore, energy companiesare investing in the optimisation of existing wells whilesearching for new reserves, in less accessible areas. Royal IHCresponds to these developments with innovative and efficientoffshore solutions.New technologies10Business concepts of diving operations have changedsignificantly. What may once have been considered a recordbreaking dive has become a daily routine exercise. The NorthSea is emerging as one of the world’s largest oil fields, but itguards its treasures well.Diving conditions are among the worst encountered inprofessional diving. Therefore, new technologies are requiredto perform safer and more efficient operations. Based onyears of experience in the field, IHC develops new conceptsfor safe and efficient diving support solutions.Strategic AllianceWet bellNew generation of vesselsCurrent developments in the exploration and productionsector require a new generation of diving support solutions.The key factors to be considered are multifunctionality,optimal efficiency and worldwide usability. IHC solutionsare designed to support for example, professional divingintegration, mission control and de-risking.Custom-built and pre-designed solutionsIHC delivers custom-built diving support vessels, such asthe SEVEN ATLANTIC, as well as the pre-designed ready-tobuild IHC Supporter class series with integrated saturationdiving equipment. The IHC Supporter class gives competitivepricing, shorter delivery time and can easily be built at one ofIHC’s locations worldwide.IHC custom-built vessels are designed to accommodate allspecific project requirements and customer specifications.They are able to perform the most complex operationsand the company’s in-house design team uses its extensiveknowledge for the benefit of customers.Royal IHC and Dräger have joined forces to offer theircustomers a single source for fully integrated diving supportvessels including Class notation. This leads to short deliverytimes and a cost-effective solution. Due to IHC’s in-houseknowledge, the experience of offshore diving technologiesand integration of diving equipment, the design is optimizedwith respect to efficiency and safety.142 Royal IHC Diving support12Diving support Royal IHC 3
Royal IHC – Diving supportIHC and Dräger,the ultimate sophisticationRoyal IHC and Dräger have joined forces to offer theircustomers a single source for fully integrated DSVs with afocus on delivering automated, 18-person, twin bell saturationdiving systems. The partnership offers customers the highestavailable quality and state-of-the-art technical solutions at acompetitive price, under a single contract. The alliance bearstotal responsibility for its execution. The IHC and Drägeralliance provides commercial security through a blend of highcompetence and competitive offerings.The IHC and Dräger proposition minimized commercial risk and complexity for the customerby offering a single contract where the alliance operates asone entity a stable, proven commercial entity for project execution andlife-cycle management broadly accepted in the market – the technology and designare appreciated by dive teams and operators vast experience in the design and build of systems andoffshore vessels outstanding track record of integrating mission equipmentand vessels.In short, this alliance provides a reliable partner who will deliveron time, on spec and to budget.One client, one solution, one contractIn understanding the complexities and commercial risksassociated with procuring, integrating and certifying a DSV, theIHC and Dräger alliance is specifically structured to simplify theprocess. This simplification results in a single solution from asingle contract with IHC and Dräger.This innovative commercial approach offers clear benefits toprospective customers by removing many of the procurementcomplexities such as cohesive design, full integration, projectmanagement and certification. Additionally, life-cyclemanagement capabilities are also enhanced by streamlinedcommunication channels, which ensure optimal operations.IHC and Dräger product portfolioIHC Diving support vessels4 Royal IHC Diving supportDräger gas management control roomDräger automated control systemThe combined IHC and Dräger portfolio represents the perfectmarriage of competences. IHC delivers custom-built divingsupport vessels, as well as the pre-designed ready-to-build IHCSupporter class series. The company has in-house knowledgeof and experience with offshore diving technologies. Theintegration of diving systems with DSV class notation is oneof its core competences. With breathing protection anddetection technologies in its DNA, Dräger has delivered theworld’s most advanced, automated saturation diving systemsin operation today. Thanks to a dedicated team of engineersand software specialists, the in-house expertise is perfectlyplaced to ensure that bespoke, customer-specific demands aremet in compliance with both existing and forthcoming industryregulations.Diving support Royal IHC 5
ProductsInnovative vesselsFor diving operations as well as subsea construction,installation and maintenance in the North Sea and otherlocations worldwide, the customer required a flexiblestate-of-the-art diving support vessel that could be easilyadapted to different tasks on the charter market. In order tobe able to work in different geographical regions, the TOISAPEGASUS is large enough to be self-supporting in remoteareas. To be cost effective, the design is based on the versatile22-metre beam of the IHC Type-22.As an enhanced sister ship to the TOISA PROTEUS, but witha fully integrated saturation diving system, it can support awide variety of subsea operations worldwide. This DP3 vesselis capable of meeting high standards in safety, dynamicpositioning operations and saturation diving.It is built with an integrated 18-person twin-bell saturationsystem. The under-deck configuration allows for a range ofequipment to be installed, while the large clear deck areaprovides enough space for a range of other applications.The need for subsea construction vessels to accommodatelarge numbers of personnel has also been addressed. Thevessel can accommodate up to 199 people (excludingany divers in saturation), depending on the charterer’srequirements.6 Royal IHC Diving supportToisa PegasusNamePurchaserDelivery yearToisa PegasusToisa Ltd.2008Length overallLength between perpendicularsBreadthDepthDesign draughtScantling draughtSpeedDeadweightDP ClassMain crane capacityOperating depthNumber of diversNumber of dive bellsOperating depthTotal installed power131.7m117.7m22m9.5m6.25m6.75m13 knots9,440 tonnes3400mt3,000m182300m13,080kWSEVEN ATLANTICThe SEVEN ATLANTIC has been specifically designed forsaturation up to 350 metres below sea level and features anintegrated saturation diving system. Suitable for worldwideoperation, she is the highest class DP vessel capable ofoperations in severe weather conditions. In order toenhance the FMEA safety case, the vessel is designed withfull triplication of all DP, propulsion and manoeuvring relatedsystems and subsystems, which allows the vessel to maintainDP3 operation with a system or component out of service.The integrated saturated diving system on the SEVENATLANTIC has a total capacity of 24 divers: eight divingteams with three members each. The maximum continuousworking diver capacity is for divers deployed by two divingbells carrying three divers each. The diving system isdesigned for operations in depths of up to 350 metres. Thevessel has a total of five moon pools, two for the diving bells,two for the observation class ROVs, and one for loweringinstruments and tools to the seabed.The vessel’s stability significantly reduces dependency onport calls for crew change, and as an example, helicoptercrew changes of 38 personnel have been safely conductedin force seven conditions. She can also operate at ease infully developed sea conditions in excess of 4.5m Hs. TheSEVEN ATLANTIC has surpassed her design objectives andhas received a number of customer commendations, whichis testimony to an exemplary design and a committed team,both onshore and offshore.NamePurchaserDelivery yearSEVEN ATLANTICSubsea 72009Length overallLength between perpendicularsBreadthDepthDesign draughtScantling draughtSpeedDeadweightDP ClassMain crane capacityOperating depthPipe capacityMaximum diameterNumber of diversNumber of dive bellsOperating depthNumber of work class ROVsNumber of observation ROVsTotal installed power144.79m128.96m26m12m7m8m13.6 knots11,885 tonnes3120mt1,500m3,000 tonnes16 inch242350m2121,700kWDiving support Royal IHC 7
ProductsInnovative vesselsWith an increasing number of ageing wells and shrinkingreserves, it is becoming more viable and important tomaintain the former and extract the maximum amount ofoil. The requirement was to develop a state-of-the-art wellintervention and diving support vessel, suitable for operationin the North Sea as well as worldwide.The WELL ENHANCER is based on the IHC Type-22 design,which makes it a cost-effective vessel of high performanceand quality. IHC adapted the design to accommodatea multi-purpose tower (designed and built by Huisman),an 18-person twin-bell saturated diving system and a twinwork-class ROV system. She is fitted with coiled tubingand is prepared for upgrading with a flare boom.Triplicated engine rooms allow the Well Enhancer tomaintain DP3 operation with one engine room out of service.An innovative multi-purpose tower next to the work moon pooloffers flexible hoisting capacity, while maintaining efficient useof deck space. The safety and security during interventionwork is guaranteed by a gas closure system using overpressureto protect the vessel’s accommodation. The twin ROV systemis integrated into the ship’s design.8 Royal IHC Diving supportWell EnhancerNamePurchaserDelivery yearWell EnhancerHelix Energy Solutions2008Length overallLength between perpendicularsBreadthDepthDesign draughtScantling draughtSpeedDeadweightDP ClassNumber of diversNumber of dive bellsOperating depthNumber of work class ROVsTotal installed power131.7m117.7m22m9.5m6.25m6.75m13 knots7,950 tonnes3182300m215,862kWIHC Supporter classThe modular approach for the IHC Supporter class productrange offers a variety of functionalities that suit the customer’smission requirements. Maximum synergy is obtained by theintegration of vessel particulars, a diving system and otherequipment into a complete diving support solution. As aresult, various diving configurations will be available for theIHC Supporter class platform.Different diving support purposes require varying vessellengths and the integration of different diving systems. Vessellengths ranging from 81 to 117 metres allow for the integrationof diving systems with a capacity of 6, 9, 12 or 15 divers. Thesystems have a depth rating up to 200 metres of seawaterrespectively, and are equipped with a single bell launch andrecovery system through a dedicated diving moon pool.NameIHC Supporter classLength overallLength between perpendicularsBreadthDepth to main deckDesign draughtSpeedDeadweightDP classNumber of diversNumber of dive bellsOperating depthsNumber of work class ROVsTotal installed power81 - 117m75 - 111m20m9m6m12 - 14.5 knots3,000 - 6,600 tonnes36 / 9 / 12 / 151up to 200mup to 26,840 or 7,980kWAlternatively, diving equipment can be integrated into vesselswith other primary mission profiles, such as well intervention.The versatile IHC Supporter class platform, in conjunctionwith advanced modular diving equipment, offers a costeffective offshore diving solution that suits a wide range ofmission profiles.Cutting-edge technology is readily available for condensinginto IHC vessels. The automation of the modular designis integrated in the system architecture by IHC’s specialistbusiness unit, IHC Drives & Automation. Double engine roomsallow the IHC Supporter class to maintain DP3 operationwith one engine room out of service.Diving support Royal IHC 9
ProductsIntegration of SAT-systemHyperbaric self-propelled lifeboatAdvanced equipmentMini SAT-systemIHC offers a wide range of advanced equipment to ensure thedeep-water diving operations of its customers can be carriedout safely and effectively. This includes saturation divingequipment and decompression chambers that allow divers tostay under water for significant periods to complete their work.The company also supplies several diver handling systems andcomponents required for deep-water diving activities, as wellas the necessary electrical power and automation systems.All of these systems are built around deck compressionchambers, which provide safe and controlled diverdecompression. The layout of the deck decompressionchambers includes wet-pod facilities (with sanitaryprovisions) and multiple main locks, depending on customerrequirements. A dedicated launch and recovery system allowsthe divers to be transported to and from the subsea work sitewith the closed dive bell. This is equipped for two or threedivers, depending on system configuration.Saturation divingThe necessary life-support equipment is containerisedfor easy deployment, including hot water machines,environmental control units and gas management panels.During operation, the dive is supervised and directed from thecontrol room. Depending on the system set-up, this can eitherbe containerised or integrated in the vessel superstructure.As well as integrated third-party saturation diving systems forits innovative vessels, IHC also provides other equipment forsafe deep-water diving.Integration of SAT-systemsIHC Hytech is IHC’s in-house centre of competence foroffshore diving technologies and integration of divingequipment. By combining experience in vessel integrationand advanced equipment with knowledge of diving, IHC isable to offer a Dräger integrated diving system including DSVClass notation.Mini SAT-systemA variety of innovative and modular air and mixed gas divingsystems are available. These range from basic transportabledecompression chambers via air dive basket LARS units tofully integrated mini SAT-diving systems with all the necessarylife-support equipment.10 Royal IHC Diving supportHyperbaric self-propelled lifeboatsThe preferred method for the safe evacuation of saturationdivers is by means of a hyperbaric self-propelled lifeboat.IHC is the market-leading supplier of hyperbaric evacuationpressure chambers, complete with the chamber outfitting,and the internal/external life-support and environmentalcontrol equipment.IHC evacuation chamber systems are available for nine, 12, 18or 24 divers and for depth ranges up to 400 metres of seawater.The interior of the diver evacuation chamber integrated inthe self-propelled lifeboats includes a hyperbaric toilet, CO2scrubber systems, environmental control units and a medicallock. The entire unit is DNV-GL and SOLAS approved.Inside air dive decompression chamberDART and ATELDecompression chambersFor integration in existing systems, the chambers can besupplied with connection flanges to fit any bell or auxiliarychamber. The skid can be used to integrate the air cylindersrequired to provide maximum operational independence. Thepressure hull has a number of spare penetrators that allowadditional systems to be installed. A large-size medical lockis a standard feature. View ports with a diameter of 150mmallow observation of both compartments.IHC manufactures decompression chambers in all typesof materials and configurations: aluminium, steel, duplex,stationary, mobile or transportable. They have standardtanks, but are by no means limited to one model. Alldecompression chambers can be custom-made to fit theirapplications precisely. Safety and reliability are importantfeatures and IHC is able to build decompression chambersaccording to any standard: Lloyd’s Register, ABS, DNV-GL ,IMCA and so on.DART and ATELDART stands for Diver Attendant Recompression Transportable,which is a type of transportable decompression chamber,large enough to accommodate two people (one patient andone attendant). Due to its special shape and size, the DARTis spacious enough to allow for extended transportation ortreatment times if necessary.The decompression chambers built by IHC are considered tobe market leading and suitable for any application. They arethe result of divers working together with the design teams,mixing seasoned experience with fresh perspectives. Thecompany believes that decompression chambers should beeasy to operate, to avoid possible errors or losing precioustime.A standard decompression chamber comes with twocompartments: the main chamber and an entry lock. Thechamber is skid-mounted and has large lifting lugs forincreased mobility. The tank will go wherever the divingoperation is located.The interior and exterior of the chambers are covered witha special coating. Working pressures usually range from 50,70 or 100 metres of seawater for surface-supplied divingactivities for air and mixed gas operations. Chambers withworking pressures of up to 400 metres of seawater canhowever also be provided for saturation diving operations.Compact and lightweight, the DART is ideal for transferringdivers under pressure to a hyperbaric medical facility. Itis fitted with a rotating STANAG male flange, which allowsit to be connected to a large number of hyperbaric facilities.It is also possible to use adaption flanges to connect the DARTto hyperbaric facilities using other connection flanges. TheDART transportable decompression chamber can be installedin an ISO norm container.ATEL stands for Attachable Transportable Entrance Lock. Thisis an additional chamber compartment, which can be usedin combination with the DART, allowing attendant entry tothe DART. The ATEL is provided with a special STANAG femaleflange, which makes it possible to link the ATEL to the DART,creating a two-compartment chamber.Diving support Royal IHC 11
ProductsLaunch and Recovery System (LARS)Advanced equipmentDiver handling systemsTo ensure the safe transportation of divers, several diverhandling systems are available from IHC’s specialist businessunit, IHC Hytech.Launch and recovery systemsDivers can be transported to and from the subsea work siteusing the Launch and Recovery System (LARS). This is a diverhandling system designed for a dive cage with two diversand two 50-litre air bottles, with a deployment depth of100 metres. The diving control station is located in one ofthe containers. Deliveries include the complete diving gear,such as helmet lights, video communication and the surfaceumbilical connections.The benefits of IHC launch and recovery systems are asfollows: easy to transport and operate guaranteed safety the clump winch can raise a manned cage in case ofemergency (secondary back-up) certified by Lloyd’s Register and meets IMCA guidelines marine working environment heavy-duty parts.Wet bellThe WBHS3-100 is an open wet-bell handling system thatallows three divers to work at a depth of up to 100 metres.The system consists of an open wet bell with an internaldiameter of 1,500mm (approximately 5ft), an A-frame withsheaves, a top frame with hydraulic winches to hoist the belland its clump weight, and a Dive Control Container (DCC).12 Royal IHC Diving supportWet bellA dive control panel, and the controls for communication,illumination and camera systems are inside the DCC. Thesystem can be completed with a containerised decompressionchamber (20ft container), and such diving materials as hotwater suits, a hot water supply unit, diving suits and helmets,and various underwater tools.High-quality componentsIHC manufactures and delivers a wide range of high-qualitycomponents, which are designed to meet the tougheststandards in the industry. Examples include gas control panels,LED helmet lights, flow fuses and scrubbers.Integrated electrical and automation systemsElectrical power and automation systemsIn addition to vessels and equipment, IHC delivers totalsystems for efficient offshore operations. With IHC Hytechas the in-house diving competence centre, IHC Drives &Automation supplying the complete electrical installation andautomation, and IHC Offshore & Marine with its experienceon integrated vessels, all disciplines are under one roof toprovide the ultimate integrated solution. Tailored to meetthe performance requirements of customers, the latesttechnology in electrical drives and platform automationoptimises the design, construction and operation of thesecomplex working vessels.Portable three-diver, two-diver and one-diver panels are alsoavailable. The three-diver panel is a surface-supplied divingsystem designed to simultaneously support three diversworking at a depth of 70 metres of seawater (optional 100metres) on all types of underwater tasks, including surveys,maintenance, defect rectification, cutting and welding.An integrated approachIHC also designs and produces containerised gas productionand control systems. The containerised self-supported oxygenproduction system features the following: diesel-driven generator low-pressure compressor high-pressure compressor pressure-swing absorption system booster pumps gas-mixing control panel.The specialists at IHC design and deliver generators,electric/submersible motors, main switchboards, variablefrequency drives for low and medium voltage, transformersand inverters, DP2 and DP3 systems, as well as artificialintelligence-based platform automation systems. Completeelectrical installations and additional equipment integrate allfeatures. Training and life-cycle support help to reduce thecost of ownership for customers.IHC Drives & Automation excels in the integration of a varietyof systems, such as navigation functions, communication,energy management, heavy crane operation, offshorehandling and propulsion control. The approach ensures highsystem availability, sustainability and maintainability.High level of performanceElectrical power systems are becoming increasingly importanton board. A growing number of electrical systems enablesa more flexible vessel layout and, in most cases, greaterefficiency in the application of energy. The modular design ofIHC vessels in general and their innovative frequency drivesprovide a high level of system performance.The integration of an in-house developed platform automationsystem is mainly provided in three product lines, accompaniedby complete electrical installations: Alarm and Monitoring Systems (AMS) with principal designappraisal of classification societies Vessel Management Systems (VMS) for the integration of allplatform functions, including PMS and offshore operationsystems Condition Monitoring Systems (CMS) for the support ofmaintenance and logistical decisions.IHC offers the optimal integration of electro-technicaland automation knowledge with naval and mechanicalengineering to its customers. This results in enhanced controlof the vessel, improved safety for divers, redundancy insystem design and a higher level of performance.Diving support Royal IHC 13
IHC Life-cycle supportYour performanceis our challengeTraining and assistance on boardIHC customers rely on the unrivalled level of commitmentthat is offered to them through dedicated and comprehensivelife-cycle support services. These help to maximise theequipment’s availability and the return on investment, andtherefore reduces the total cost of ownership.The cycle can be entered at any of its five integrated stages.The technology innovator’s highly qualified experts designand build innovative vessels and advanced equipment basedon their vast worldwide experience of the dredging, miningand offshore industries.The company offers a complete spectrum of high-quality andup-to-date services to ensure that crews operate in a highlyskilled and efficient manner to achieve optimum levels ofproductivity. IHC life-cycle support also allows operators tomaintain the durability and reliability of their systems througha range of specialist services.Furthermore, an upgrade by means of renovation,modification or update of the existing systems, componentsand/or software can extend the working life of the vesseland equipment. With the expertise to research, engineerand install to the highest possible standard, the IHC team willalso utilise complex processes, knowledge and experience tomaintain the correct and safe operation of all its products onboard.14 Royal IHC Diving supportDesignThe design phase encompasses the entire trajectory, from thefirst point of contact about a potential offshore challenge, tothe last drawing or calculation, directed to offer a practicalsolution.Component repairMaintainAt this stage, the aim is to optimise the system’s availabilityin a cost-effective manner. This is achieved by intelligentlymaintaining its technical functionality with regard to prevailingoperational circumstances – and by a quick response in theevent of an unexpected technical defect.upgradeThis stage facilitates several options for the necessaryoverhaul and/or replacement of major or structural systemsand subsystems. These are based on economic considerations,continuing compliance to regulations or changing operationalrequirements.BuildIrrespective of the actual location, the building stage integratesthe procurement, manufacturing, commissioning and testingof the vessels’ and equipment’s hardware and software. Theirfuture utilisation and operational efficiency are enhanced andensured by the life-cycle support services. Examples of theservices are project management, works and site supervision,commissioning and technical support.These services improve the quality, sustainability, durability,ease of maintenance, compliance to regulations, andawareness of systems and operations. Depending on the typeof equipment and/or contract, they are – partly or wholly– integrated in the scope of delivery, but they can also beoffered separately to customers worldwide.operateThe operational stage of a system either embraces theperiod from the day of delivery of vessels and/or equipmentuntil its functional withdrawal, or a full lease/rental period.During this trajectory, the aim is to preserve the system’svital functionality and efficiency under prevailing or changingoperational conditions.Diving support Royal IHC 15
Royal IHC – OffshoreSmitweg 6, 2961 AW KinderdijkP.O. Box 1, 2960 AA KinderdijkThe NetherlandsT 31 78 691 09 11offshore@ihcmerwede.comwww.ihcmerwede.com
the ulti mate sophisti cati on Royal IHC and Dräger have joined forces to off er their customers a single source for fully integrated DSVs with a focus on delivering automated, 18-person, twin bell saturati on diving systems. The partnership off ers customers the highest availab
40 diving operations. Members of a dive team are engaged in a diving operation from the time that they start preparing plant, equipment or personnel for diving until any associated routine decompression is completed. 2.10 Diving project is the term used for the overall diving job, regardless of its duration.
The Diving Reflex in Humans The diving reflex is an adaptation found in marine mammals for diving in cold water. The diving reflex is a reduction in heart rate, bradycardia, while diving. The majority of research on the diving refl
diving off Institution Docks, #4-71, "Safety and Training Regulations for Underwater Diving", #3-71, "Institution Diving Policy", and #7-77, "OSHA Standard for Commercial Diving Operations." The Institution Diving Control Board accepted the first versio
The diving referee is the head diving judge and has full authority over other diving judges. The diving referee’s decision is final. Before diving competition, the diving referee should: Arrive at least 30 minutes
c. If Quantitative non-HER2 IHC Evaluation performed equals No, proceed to Quantitative HER2 by IHC Evaluation Consistent with Scoring System Defined in the ASCO/CAP Guidelines. 7. Check Quantitative HER2 by IHC Evaluation Consistent with Scoring System Defined in the ASCO/CAP Guidelines: a.
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Saturation diving is used for deep salvage or recovery using U.S. Navy deep diving systems or equipment. These systems and equipment are designed to support personnel at depths to 1000 fsw for extended periods of time. SECTION ONE — DEEP DIVING SYSTEMS 15-2 APPLICATIONS The Deep Diving System (DDS) is a versatile tool in diving and its .
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