Company Presentation 2015 CHALLENGING CONDITIONS, CHOOSE ASSODIVERS.

Transcription

1 Company Presentation 2015 CHALLENGING CONDITIONS, CHOOSE ASSODIVERS.

2 WHO WE ARE Assodivers Ltd. Is a Greek owned and based company founded on 1976 and has been servicing Clients for almost 40 years. Initially begun by offering diving services in the marine industry for a period of 10 years and later was involved and specialized in worldwide submarine utility installations and repairs. Operating a construction department since the beginning, Assodivers has been creating in house design and along with years of scientific expertise has been continuously reaching the main goal; to provide a set of creative, continually innovative, reliable and cost effective solutions fitted on customers needs worldwide.

3 Organization Structure BOARD OF DIRECTORS MANAGING DIRECTOR LEGAL ADVISORS TECHNICAL DIVISION IT Department Research & Development Department Designers Software Engineers Maintenance Department Workshop Warehouse Project Engineering & Management Department Project Management Engineering Solutions Operations Department Electrical/Electronics Engineering Workshop Hydraulics, Energy & Propulsion ADMINISTRATIVE & FINANCE DIVISION QHSE Department Human Resources Department Economic & Business Development Department Financial Department Procurement Department MARINE OPERATIONS & MANAGEMENT DIVISION S&O Ship Management ORGANIZATION STRUCTURE Part of a larger group of companies currently employing more than 240 high qualified professionals, distributed on the different departments structuring and supporting each position, ensuring excellent project engineering, management and execution capabilities. Each individual member is deemed valuable to us and treated as such, not only for his productivity, but also for his ability, talent, skills and wide expertise.

4 QHSE CERTIFICATIONS The company employees an integrated Quality, Health & Safety and Environmental Protection Management System which is also certified against the requirements of international standards ISO 9001:2008 (Quality Management), ISO 14001:2004 (Environmental Management) and QHSAS 18001:2007 (Occupational Health & Safety Management). Assodivers is also a contractor member of the Remote Systems & ROV Division of International Maritime Contractor Association (IMCA) and member of the Achilles global provider of integrated supplier management and supply chain solutions.

5 Field Of Operations Assodivers Group has almost forty years of experience in the provision of services to the underwater industry. The long track record shows that the company has an extensive experience in offshore works involving diving assistance and underwater operation, related with flexible pipeline or submarine cables, both power and telecommunication.

6 29 years engaged in submarine projects

7 SERVICES Assodivers is capable of offering engineering services which along with complete quality oriented project management services ensure the uneventful delivery of each project. Execution operations such as cable loading and transportation on site, pulling and landing onshore through pre installed pipes, laying activities, sea trench excavation by means of trenching and/or jetting techniques, offshore mattress installation etc. as well as provision of diving services, form regularly part of the company s scope of work, where Assodivers is either a turnkey solution provider or a subcontractor to major cable installation companies and marine contractors.

8 RFQ Custom Solution Package Proposal Engineering Study Review & verification of engineering drawings. Analysis of customer needs. Production of procedures, risk assessment and preliminary time schedules Construction engineering & working procedures. Including QA/QC, Quality Plans, HSE plans, Risk Assessments, HAZID) Equipment utilization and resources planning

9 Intensive Preparation Seamless Execution Total Project Quality Control Execution Services Loading Transportation Installation. Route clearance. Pre installation survey. Pre installed utilities protection. Services protection scheme (jetting trenching) Alternative protection schemes (articulated pipes mattresses) Multi terrain custom protection services Cable laying Shore end / platform landings Post installation survey and remedial actions

10 As Built Analytical Documentation Quality Analysis Detailed Feedback to R&D Post execution Services As built/ as laid survey and drawings Implementation reports and Manuals QHSE Documentation Post installation project support Process analysis for necessary corrective future actions

11 Post Installation support cable repairs Working together with most of the cable manufacturers, cable repairs have been carried out abroad and in most of the Greek island power and optical links. The company with its 29 years of experience in the underwater cable repairs field, has the necessary equipment and the experienced personnel to successfully perform such operations.

12 FLEET The vessels the company normally utilizes in the project execution are managed by an affiliated specialist company, S&O Ship Management Ltd and are manned on a rotational basis by circa 110 Greek seamen, including certified DP operators. S&O Ship Management Ltd is a Contractor Member of the Marine Division of IMCA and holds Documents of Compliance to the International Safety Management (ISM) code by the Greek and Cypriot Flag Administrators.

13 Aethra Construction Support Vessel Built 1999 Upgraded: 2015, Greece Length 94.10m Breadth Deadweight 4,500 MT Thruster Power 5800 BHP Dynamic Position System IMO Class II Accommodation Flag Classification 87 persons Cyprus ABS Max Draught 7.10m 1x AKTRO A frame Equipment 1x KENZ Offshore Crane 1x TTS Norlift ROV Crane Helideck for Super Puma Utility transportation Suitability Shallow water utility installation Cable repairs General underwater project support

14 Atalanti Cable Laying Barge Built 2008 Converted: 2010/12/14, Greece Length 96.99m Breadth 31.46m Deadweight 5,613.5 MT Thruster Power 7,400 BHP Dynamic Position System IMO Class II Cable Turntable 1 x 4,500 MT (22m OD/6m ID) 1 x 2500 MT )16m OD/6m ID) Accommodation 77 persons Flag Cyprus Classification American Bureau of Shipping Min Operational Depth 5m 2 x Spud cans for shallow water anchoring 4 point mooring with remote control 35T knuckle & 20 T telescopic boom cranes Equipment ROV control room Fixed 10T linear cable engine Inbuilt underwater positioning Power on deck for ROV & trenching equipment Utility transportation Suitability Shallow water utility installation Cable repairs General underwater project support

15 Astrea Multi purpose Support Vessel Built 1987 Converted: 2008, Greece Length 71.30m Breadth 17.5 Deadweight 2,853 MT Thruster Power 3,200 BHP Dynamic Position System IMO Class II Accommodation Flag Classification 55 persons Greek ABS Max Draught 6.10m 55T A Frame on stern 2 x Sormec cranes covering all deck space Equipment 594m² free deck space with 10T/m² strength Inbuilt underwater positioning Utility transportation Suitability Shallow water utility installation Cable repairs General underwater project support

16 Argo Multi purpose Support Vessel Built 1976 Converted 2001, Greece Length 65.5m Breadth Deadweight Thruster Power Dynamic Position System Accommodation Flag Classification 14m 1,701 MT 2,650 BHP IMO Class II 40 persons Greek ABS Max Draught 4.98m 35T A Frame on stern Equipped with 2 x Sormec cranes covering all deck space m2 free deck space with 10T/m2 strength Inbuilt underwater positioning Utility transportation Suitable for Shallow water utility installation Cable repairs General underwater project support

17 Artemis Anchor Handling Tug & Supply Vessel DP1 Built 1984 Upgraded: , Greece Length 67.8m Breadth 15.6m Deadweight 2,250 MT Power 13,300BHP Thruster Power 2,400 BHP Dynamic Position System IMO Class I Bollard Pull 143 MT Accommodation 30 persons Flag Cyprus Classification ABS Max Draught 6.44m

18 Anteos Open Sea Anchor Handling & Towing Tug Built 2000 Length 37m Breadth 11.4m Deadweight 364.5MT Power 3,150 BHP Bollard Pull 45MT Accommodation 14 Persons Flag Greek Classification ABS Max Draught 4.35m

19 Assodiver VII Floating Crane Barge Built 1987 Length 35m Breadth 15.35m Thruster Power 1,000 BHP Dynamic Position System Portable DP 1 Accommodation Flag 14 persons Greek Max Draught 1.70m 20T deck crane suitable for execution Equipment Underwater positioning 8 point mooring large deck area Utility transportation Shallow water utility installation Suitability Cable repairs General underwater project support Shallow water excavation

20 EQUIPMENT Most of the tools used for the execution of the various projects are designed and manufactured inhouse using experience and knowledge gained during our almost 40 years of operation. 2/3 of the employees are engaged on the equipment engineering, design and construction of a number of powerful jetting and mechanical trenching underwater vehicles, in addition to work class and observation class ROVs and other offshore support equipment. Each tool is modified according to each project individuality giving the advantage for custom made solutions and the realization of difficult projects.

21 Assotrencher IV Various Soil Trencher Type Various soil mechanical trencher Excavation Method configuration Additional Features Max Soil/kPa Trenching Tracked vehicle Cutting chain & cutting wheel 60 MPa Max Seafloor Gradient 25 Max Operational Depth 400m Max product outer diameter Jetting power Max sea state LARS system Utility type 350mm 600kW WMO4 Yes FOC, power cable

22 Assotrencher V Various Soil Trencher Type Various soil mechanical trencher Excavation Method Trenching configuration Tracked vehicle Additional Features Cutting chain & cutting wheel Max Soil/kPa 60 MPa Max Seafloor Gradient 25 Max Operational Depth 50m Max product outer diameter 350mm Jetting power 300kW Max sea state WMO4 LARS system Yes Utility type FOC, power cable

23 Assotrencher VIII Various Soil Trencher Type Various soil mechanical trencher Excavation Method Trenching configuration Tracked vehicle Additional Features Cutting chain & cutting wheel Max Soil/kPa 60 MPa Max Seafloor Gradient 25 Max Operational Depth 50m Max product outer diameter 350mm Jetting power 300kW Max sea state WMO4 LARS system Yes Utility type FOC, power cable

24 AssoMultiTrencher Various Soil Trencher Name AssoMultiTrencher/ Assoplow Type Various soil mechanical trencher Excavation Method Configuration Additional Features Max Soil/kPa Trenching/plough Tracked vehicle Cutting chain & Jetting arm 100 kpa Max Seafloor Gradient 25 Max Operational Depth Max product outer diameter Jetting power Max sea state LARS system Utility type 500m 350mm 600kW WMO4 Yes FOC, power cable

25 Assojet II Soft Soil Trencher Excavation Method Jetting Configuration Tracked vehicle Additional Features TSS350 / TSS440 Max Soil/kPa 100 kpa Max Seafloor Gradient 20 Max Operational Depth 150m Max product outer diameter 250mm Jetting power 230 KW Max sea state WMO4 LARS system Yes Utility type FOC, power cable, flexible pipes

26 Assojet III Soft Soil Trencher (under construction) Excavation Method Jetting Configuration Skids or Tracks Additional Features ROV Surveillance Mode Max Soil/kPa 120 kpa Max Seafloor Gradient 20 Max Operational Depth 3000m Max product outer diameter 900mm Jetting power 1300 KW Max sea state WMO6 LARS system Yes Utility type FOC, power cable, umbilicals

27 Assojet IV Soft Soil Trencher Excavation Method Jetting Configuration Skids or Tracks Additional Features TSS350 / TSS440 Max Soil/kPa 100 kpa Max Seafloor Gradient 15 Max Operational Depth 1,000m Max product outer diameter 650mm Jetting power 900 KW Max sea state WMO4 LARS system Yes Utility type FOC, power cables, pipelines

28 Venom 3k 600T Soft Soil Trencher Excavation Method Jetting Configuration ROV trencher Additional Features TSS350 / TSS440, HVC 100 cutter Max Soil/kPa 100 kpa Max Seafloor Gradient 15 Max Operational Depth 3,000m Max product outer diameter 500mm Jetting power 450 KW Max sea state WMO4 LARS system Yes Utility type FOC, power cable, flexible pipes

29 HydroPlow Jetting assisted plough Excavation Method Jetting assisted plough Configuration Vehicle with skids Additional Features Jetting arm Max Soil/kPa 100 kpa Max Seafloor Gradient 15 Max Operational Depth 50m Max product outer diameter 350mm Jetting power Surface supplied Max sea state WMO4 LARS system Yes Utility type FOC, power cable

30 AssoPlow Jetting assisted plough Excavation Method Jetting assisted plough Configuration Vehicle with skids Additional Features Jetting arm Max Soil/kPa 100 kpa Max Seafloor Gradient 15 Max Operational Depth 50m Max product outer diameter 350mm Jetting power Surface supplied Max sea state WMO4 LARS system Yes Utility type FOC, power cable

31 CLIENTS Assodivers Ltd has participated in a string of operations worldwide, working for some of the leading players in the field. During the long presence in the offshore market, no Client had any dissatisfaction which is proved by the long record of the recommendation letters (available online).

32 St. George Island Wind Farm Project In progress Project Information Year of Execution 2015 Area of Operation Owner Lavrion, Agios Georgios, Saronic Gulf, Greece Terna Energy S.A. Contractor Service Provided Cable Details Maximum Operational Depth Cable Type Hellenic Cables S.A. Installation & Protection 325m 150 kv/foc Number of Cables 2/1 Cable Diameter Weight in Air Description of Works Installation Subsea Protection 195mm/193mm/24mm 66 kg/m / 68kg/m 36,743m of cable laid PLB trenching at 0.5m DOB of 7,640m PLB jetting at 1.0 mdob of 27,043m Additional Protection Pre trenching of 1,500m Survey Marine Means Used Equipment Used As buried survey CLB Atalanti AHTS Artemis MPSV Astrea CB Assodiver VII TB Hydna Assotrencher IV Assotrencher VIII Venom 3k 600T The St. George Island wind farm project consists of a windfarm installed in St. George island which will be connected to the PPC Mainland Power Transmission System. Hellenic Cables awarded ASDG with a subcontract for the submarine cable installation and protection activities for the interconnection between the island s substation to the busbars of 150kV Lavrion substation. The SoW is including pull in of the cables onshore, cable laying, protection of the cable offshore and submarine cable landfall protection on both sides of every link.

33 Cyclades Project Syros Mykonos Interconnection Project Information Year of Execution 2015 Area of Operation Owner Contractor Service Provided Cable Details Maximum Operational Depth Cable Type South Aegean Cyclades Islands IPTO S.A. Hellenic Cables S.A. Installation & Protection 300m 150 kv/foc Number of Cables 2/1 Cable Diameter Weight in Air Description of Works Installation 203mm/197mm/24mm 61.2 kg/m / 49.9kg/m /0.79kg/m 34,300m of cable laid Subsea Protection Additional Protection Survey Marine Means Used Equipment Used 2,706m of cable, protected by means of trenching at 2.0 m target burial depth Cast Iron Shell s, 638m and mattresses installation, 22m Pre Lay survey, as buried survey on the total cable length protected CLB Atalanti Anteos CB Assodiver VII TB Hydna AssoMultiTrencher Assomat I The Cyclades project consists of the interconnection of Syros, Tinos, Mykonos and Paros with the mainland power grid through the Lavrio station, which will be operated by the Transmission System Operator of the Greek Electricity System. Hellenic Cables awarded ASDG with a subcontract for the submarine cable installation and protection activities for the islands interconnection. The SoW included pull in of the cables onshore as well as cable laying and submarine cable landfall protection on both sides of every link.

34 Western HVDC Link Project Information Year of Execution 2014 Area of Operation Owner Contractor Service Provided Cable Details Maximum Operational Depth Cable Type Wirral Peninsula, UK Western Link Prysmian PowerlinkSrl Simultaneous Installation and Protection 42m 600kV HVDC/FOC Number of Cables 2/1 Cable Diameter Weight in Air Description of Works Installation Subsea Protection Additional Protection Survey Marine Means Used Equipment Used 137mm/35mm 57.7kg/m / 3.0kg/m 36,200m of cable laid 35,500m of cable, protected by means of simultaneous lay and burial at 2.0 m target burial depth 700m from HDD Conduit exitof post lay cable burial at shallow water. Pre Lay survey, as buried survey on the total cable length protected CLB Atalanti Assoplow Assojet II Wilco Amphibious Excavator The Western High Voltage Direct Current (HVDC) Link is a majorelectricity transmission projectbeing jointly developed by National grid Electricity Transmission and SP Transmission. The project comprises the installation of two HVDC submarine cables between Scotland and England for a total length of the submarine route of approximately 385 km. The link connects England with the landfall of the Wirral Peninsula and Scotland at the Hunterston area. Prysmian has awarded ASDG with a subcontract for the submarine cable laying and protection for the Western HVDC Link project at Wirral. ASDG s SoW included cable loading of 2x36.2 km HVDC and 36.2 km FOC and simultaneous laying and burial of bundled cable. The SoW also included assistance to cable pulling to shore up to the sea land joint position, pre lay grapnel run, the performance of a visual pre lay survey and the execution of post lay seabed survey.

35 Deka Development Project Project Information Year of Execution 2014 Area of Operation Owner Contractor Service Provided Offshore Egyptian Coast PETROBEL Microperi Srl Umbilical Protection Umbilicals Details Maximum Operational Depth Umbilical Diameter Weight in Air 100m 140mm/140mm/122mm kg/m / kg/m / kg/m Description of Works Subsea Protection 32,359m of cable, protected by means of jetting at 1.0 m cover burial depth Additional Protection Mattresses Installation (Pre and Post lay) Survey Marine Means Used SPS Astrea Venom 3k 600T Equipment Used Assomat II The project is targeting the development of both the Denise and Karawan fields in Temsah Concession located at offshore Egypt in order to add a Natural Gas production of about 210 MMScfd, with an estimated cost of 470 MM $. The Denise field is about 70 km off the Egyptian coast, while Karawan field is about 60 km off the Egyptian coast. The Denise field exploitation mainly consists of three subsea wells and the Karawan field exploitation consists of one subsea well. Microperi awarded ASDG a subcontract for the protection of the subsea umbilicals which were installed on the various routes. ASDG SoW also included the pre and post lay installation of bituminous mattresses over the crossings locations

36 HELWIN I Grid Connections Project Information Year of Execution Area of Operation Owner Contractor Service Provided Cable Details Maximum Operational Depth Cable Type North German Coast TenneT Holding B.V. Prysmian PowerLink SpA Simultaneous Installation & Protection 23 m 250kV HVAC / FO Number of Cables 2/1 Cable Diameter Weight in Air Description of Works Installation Subsea Protection Jointing Survey Marine Means Used 112 mm / 37 mm 30 kg/m / 3.5 kg/m 67,426 m of cable laid in bundle 20,292 m of cable protected by means of jetting simultaneously with laying at 1.50 m burial depth 46,691 m of cable protected by means of jetting simultaneously with laying at 1.70 m burial depth 443 m of cable protected by means of jetting on crossings at 1.55m burial depth 3 rigid joints executed in 5m w.d. As built survey on the total cable length installed and protected CLB Atalanti AHT Anteos SPS Astrea Assodivers had been awarded a contract for the simultaneous installation and burial activities of one AC cable connecting the AC/DC offshore converter station BorWin Beta with the offshore wind park Global Tech 1. Prysmian had also awarded Assodivers a contract for the provision of post lay inspection and burial services to areas where the cables were not buried by the simultaneous laying and burial methodology (eg. Crossings)

37 Borwin II Grid Connections Project Information Year of Execution Area of Operation Owner Contractor Service Provided Cable Details Maximum Operational Depth Cable Type North German Coast TenneT Holding B.V. Prysmian PowerLink SpA Simultaneous Installation & Protection 38 m 155kV HVAC Number of Cables 1 Cable Diameter Weight in Air Description of Works Installation Subsea Protection Survey Marine Means Used Equipment Used 220 mm 89 kg/m 30,617 m of cable laid 28,099 m of cable protected by means of jetting simultaneously with laying at 1.55 m burial depth 4,579 m of cable protected by means of jetting on crossings or other sections at 1.55 m burial depth As built survey on the total cable length installed CLB Atalanti AHT Anteos SPS Astrea Hydroplow Venom 3k 600T Assodivers was awarded a contract for the simultaneous installation and burial activities of one AC cable connecting the AC/DC offshore converter station BorWin Beta with the offshore wind park Global Tech 1. Prysmian had also awarded Assodivers a contract for the provision of post lay inspection and burial services to areas where the cables were not buried by the simultaneous laying and burial methodology (eg. Crossings)

38 Messina Straights Crossings Project Information Year of Execution Area of Operation Owner Contractor Service Provided Cable Details Maximum Operational Depth Cable Type Italy and Sicily Terna SpA Prysmian PowerLink SpA Offshore Protection 376 m 380kV HVAC / FO Number of Cables 6/2 Cable Diameter Weight in Air Description of Works Subsea Protection Additional Protection Survey Marine Means Used Equipment Used 144 mm / 37 mm 61 kg/m / 3.5 kg/m 257,853 m of cable protected by multiple passes, using means of jetting at 1 m cover burial depth 5,182 m of cable protected by means of trenching at 0.5 m cover burial depth 1,313 m of cable protected by mattresses installation As buried survey on the total cable length protected SPS Argo I SPS Astrea Venom 3k 600T AssoTrencher IV AssoMat II Assodivers protected the two 380 kv alternate current cable circuits between the Villafranca Tirrena (Sicily) and Scilla (Calabria) power stations. Six (6) power cables and the two (2) optical cables laid in bundle with two power cables where buried in practice throughout the route. Each route was in average 38km and crossed 6 other previously installed services, two gas pipes and four telecom cables. The installation work was divided between the two circuits (of three cables each) and those were laid with about one year interval between each other. The first circuit only was further split in two campaigns.

39 Cometa Project Project Information Year of Execution 2011 Area of Operation Owner Contractor Service Provided Spanish Mainland & Mallorca Island Red Electrica de Espana Nexans Norway SA & Prysmian Cavi e Systemi Energia Srl Offshore Protection Cable Details Maximum Operational Depth Cable Type 124m 250kV HVDC/MR Cable/FO Number of Cables 2/1/1 Cable Diameter Weight in Air 88mm/84mm/12mm 29kg/m / 29kg/m / 3.4kg/m Description of Works Subsea Protection Additional Protection Survey Marine Means Used Equipment Used 36,632m of cable, protected by means of trenching at 1.0m and 0.5m target burial depth 1,925m of cable protected by mattresses installation As buried survey on the total cable length protected SPS Argo I AssoTrencher IV Argus MK III AssoMat I The HVDC link was designed for power transmission between the converter stations in Morverde, close to Sagunto, in the Spanish peninsula and in Santa Ponça in Baleares Island (Mallorca). Thesubmarinecableportionofthesystemincludedthefollowingcomponents: Two (2) submarine HVDC cables (poles) at 250kV, approximately 240km in length each; One (1) MV cable (laid in bundle with a FO cable) of approximately 240km length, with the same submarine and land sections with the pole cables. Each of the three cables (two poles, one bundle of MR and FO) was protected using the rockcutting trenching technique by the post installation method and sections which remained unburied due to the morphology of the seabed, were protected by cement mattresses installation.

40 Doha Bay Project Project Information Year of Execution Area of Operation Owner Contractor Service Provided Doha bay KAHRAMAA Prysmian Cavi e Sistemi Energia SrL Offshore Protection Cable Information Maximum Operational Depth Cable Type 12 m 220kV HVAC / FO Number of Cables 6/2 Cable Diameter Weight in Air mm / 37 mm kg/m / 3.4 kg/m Description of Works Installation Subsea Protection Additional Protection Survey Marine Means Used 42,000 m of cable laid 26,400 m of cable protected by multiple passes, using means of trenching at 1.0 m cover burial depth 17,060 m of cable protected by means of jetting at 1.0 m cover burial depth 160 m of cable protected by mattresses installation As built survey on the total cable length installed and protected CLB Atalanti AHT Anteos The submarine portion of the project consisted of the lay and burial on parallel routes of six power cables (two circuits of three cables each) between Ras Abu Aboud substation and West Bay Super 2 substation, with a length of approx. 6.2 km on each route. In addition to the power cables two fiber optic cables (FOC) containing 44 fibers each were also installed in bundle configuration with a power cable on the central route of each circuit.

41 GCCIA Project Project Information Year of Execution Area of Operation Owner Contractor Service Provided Bahrain KAHRAMAA Nexans Norway SA & Prysmian Cavi e Systemi Energia Srl Offshore Protection Cable Details Maximum Operational Depth Cable Type 26m 400kV SCFF/FO Number of Cables 6/2 Cable Diameter Weight in Air Description of Works Subsea Protection Additional Protection Survey Marine Means Used Equipment Used 139mm/36.4mm 51kg/m / 3.4kg/m 130,579m of cable, protected by multiple passes, using means of trenching at 0.6m cover burial depth 135m of cable protected by mattresses installation As buried survey on the total cable length protected SPS Astrea AssoTrencher VIII Assojet II AssoTrencher VII The consortium of Nexans Norway AS and Prysmian Cavi e Sistemi SrL had appointed Assodivers as a subcontractor to execute the protection works of two circuits with totally six parallel submarine cables run from Al Jasra (Bahrain mainland) to Umm An Na Asan (Bahraini island) and from Umm An Na Asan (Bahraini island) to Ras Al Qurayyah (Saudi Arabia mainland). The cables route distance between the Bahrain mainland and the Bahraini island is 3.5 km while between the Bahraini island and the Saudi mainland the distance is 39 km.

42 SAPEI I & II Project Information Year of Execution Area of Operation Owner Contractor Service Provided Cable Details Maximum Operational Depth Cable Type Sardinia and Italy mainland Terna SpA Prysmian Cavi e Systemi Energia Offshore Protection 680m 500kV HVDC / Electrode Number of Cables 2/2 Cable Diameter Weight in Air Description of Works Installation 118 mm / 86 mm 35kg/m / 11 kg/m 42,000m of cable laid Subsea Protection Additional Protection Survey Marine Means Used Equipment Used 359,685 m of cable protected by means of jetting at 1 m cover burial depth 88,450 m of cable protected by means of trenching at 0.5 m cover burial depth 135 m of cable protected by mattresses installation As buried survey on the total cable length protected SPS Argo I SPS Astrea Venom 3k 600T AssoTrencher IV AssoMat This project is a power link between Italy Mainland to Sardinia via a 500 KVAC circuit, consisting of two main cables Pole 1 and Pole 2 and respective anode and cathode cables at both ends of the link. The execution carried out on two phases in 2008 and in The scope of work included the protection works of all cables from the landing points up to water depths of 680m. Despite the deep water jetting operations, Assodivers had also performed the utilization of two support vessels operating in parallel at a certain stage of the project in order to minimize the time that the cable was left unprotected between the laying and the final protection.