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210427 DECO Ref List

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210427 DECO Ref List Item Description Client Place Period XXX platform conductor cutting, 9 conductor strings 115 •Typical conductor string: 9 5/8, 13 3/8, 20, 24” •Pinning operations •Test lifts XXX Netherlands Summer 2021 Goldeneye platform JacKet removal •8 x sKirt pile AWJ sub-bottom cuts 114 •Cutting diameters 2126 mm, WT 55 mm •Beveled cut, 20 degrees •Water depth 120 m Heerema North Sea Summer 2021 Brae B flare JacKet removal •3 x sKirt pile AWJ sub-bottom cuts 113 •Cutting diameters 2134 mm, WT 50 mm •Beveled cut, 20 degrees •Water depth 100 m Heerema North Sea April-May 2021 Hornsea OWF, Met Mast stub removal •1 x Caisson AWJ cut with internal structures, sub bottom cut 112 •Cutting diameters 1820 mm, WT 40 mm •External cut, beveled •Clay removal •ROV operations DEME Offshore North Sea April-May 2021 Saint Nazaire OWF caisson cutting 111 •5 x Caisson AWJ cuts, sub-bottom cuts •Cutting diameters 2720 mm, WT 40 mm •Trailing cut for protection of structures DEME Offshore France March-April 2021 Baltic Pipe proJect at the Lillebælt Crossing in Fænø, DenmarK. Cutting of 6 piles: 110 •5 x Ga Roller piles: OD 1220mm WT 18,7mm •One Wire pile: OD 1420mm WT 25mm BosKalis DenmarK September 2020 Jotun B platform decommissioning •AWJ cutting of 8-legged jacKet 109 •Sub-bottom cutting at -130 m LAT •Beveled cut 20 degrees upwards •Cutting diameters 2743 mm, WT 80 mm Heerema Northern North Sea July 2020 Hornsea OWF (Orsted): cutting and lifting of OSS and RCS pile tops 108 •AWJ Cutting •Cutting and lifting of 8+4 pile tops •Cutting diameters 2438 mm, WT 60-80 mm Heerema North Sea October 2020 Hollandse Kust Zuid OWF (Tennet): cutting and lifting of pile tops 107 •AWJ Cutting •Cutting and lifting of 6 pile tops •Cutting diameters 2134 mm, WT 55 mm Heerema North Sea August 2020 ViKing and Vulcan decommissioning proJect (Conoco Phillips/Chrysaor): 6 JacKets EZ, OD, VO, AR, BC, BD 106 •AWJ Cutting •Cutting and lifting of 4 stubs and 1 docKing pile •Cutting of 34 battered platform piles •45 degrees bevel, Cutting diameters 914-1372 mm, WT 32-51 mm Scaldis North Sea July-August 2020 Moray East OWF pre-pile clay dredging and cleaning 105 •HP waterJet cleaning 500 bar •40-300 piles •Pile diameters 2200 mm ID DEME North Sea June-December 2020 PicKerill Bravo topside cutting (cruciform cross section) 104 •AWJ Cutting •4 complex cruciform cross section cuts Petrodec North Sea June 2020 Rentel OWF: Diving from M/V Anais 103 •inspect piranha clamps, earth cable connection & earth cable • Removal of the cable and piranha clamp GeoSea North Sea April 2019 ViKing and Vulcan decommissioning proJect (Conoco Phillips/Chrysaor): stubs, 4 JacKets + 1 template: CM, ZD, BA, BP •AWJ Cutting 102 •Clay and grout dredging •Cutting and lifting of 4 stubs and 1 docKing pile •Cutting of 20 battered platform piles •In total 31 cuts @45 degrees bevel, Cutting diameters 760-1524 mm, WT 38-70 mm BosKalis North Sea April-June 2020 L10 C, D and G platforms decommissioning (Neptune Energy) •AWJ cutting of 3 x 4 through leg piles OD 1092 WT 32-50 mm 101 •Cutting of lifting holes •Piles with several splices BosKalis North Sea February-April 2020 Tyne and Guinevere platforms decommissioning (Perenco) 100 •AWJ Cutting and clay and grout dredging •Tyne: 4 sKirt piles cutting OD 1219 WT 50. Internal sand dredging •Guinevere: 4 through leg piles cutting OD 1219 WT 50. Internal dredging: stiff clay and grout Ardent North Sea December 2019 - January 2020 Kotter and Logger platforms decommissioning proJect. (Wintershall) 99 •Short notice emergency taKe-over of existing cutting contractor •AWJ cutting •Cutting of 12 jacKet piles and 1 stub: OD 1219mm and 1066mm Heerema North Sea September-October 2019 98 ViKing and Vulcan decommissioning proJect, 2 JacKets: KD & LD •JacKet leg cutting 3m below seabed: 6 cuts OD 1372mm Scaldis North Sea August-September 2019 ViKing and Vulcan decommissioning proJect, 9 JacKets/structures: DD, GD, HD, ED, CD (main + 2 towers), UR, JD •JacKet leg cutting 3m below seabed: 48 cuts OD between 914mm and 1600mm 97 •Lifting hole cutting for shacKles, above water: Ø200mm •Hole cutting for lifting trunnions, above water: Ø500mm •Lifting hole cutting at seabed level for stub removal •Design and construction of internal grout dredging tool for jacKet legs OD 1600mm BosKalis North Sea August-December 2019 96 Decommissioning of Perenco Bure W & O and Yare C WHPS. Internal grout dredging in 12 piles OD 24” and 30” MaersK North Sea July-August 2019 95 E18 JacKet decommissioning proJect. •Pile cutting: 4 cuts, OD 60” Heerema North Sea June 2019 E18 JacKet decommissioning proJect. 94 •Pile dredging: grout and sand Bluestream North Sea May 2019 93 JUV Innovation leg cutting: •Design and construction of precise racK cutting and bevelling tool (45° - 25° and 10° bevels) •AWJ Cutting (178mm) and bevelling tests DEME Brugge April 2019 Rentel OWF: Diving from M/V Anais 92 •inspect piranha clamps, earth cable connection & earth cable • Removal of the cable and piranha clamp GeoSea North Sea April 2019 Oostende RYCO: 91 •AWJC of concrete filled steel piles •diver installed external cutting tool Herbosch Kiere Oostende April 2019 90 HinKley Point: abrasive waterJet cutting tests for material selection GeoSea Brugge March 2019 89 Baltic connector proJect: ROV seabed survey and drill assistance Tideway Baltic Sea, Estonia March-April 2019 Halfweg platform decommissioning proJect: https://youtu.be/OTKD4RzbFFI 88 •Onshore cutting tests on mocK up during proJect preparation •Hole cutting for lifting trunnions, design of precise frame for hole cutting tool •Leg cutting with external cutting tools, 4 tools installed at once EverSea North Sea, NL December 2018 - January 2019 87 Helge Ingstadt wrecK removal proJect: hole cutting (AWJ) Boa Management AS Norway December 2018 - January 2019 86 Q10 Jacket installation proJect: contingency airlift dredging services EverSea North Sea, NL December 2018 85 Norther OWF: diving from RIB for assistance during trench operations with Nessie Van Oord Zeebrugge September 2018 84 Design and build of grout dredging tool for WHPS decommissioning Perenco Brugge July-September 2018 83 NEMO linK proJect: Offshore diving assistance with cable recovery and cable pull Deepocean Zeebrugge May-August 2018 82 Grout dredging test for WHPS decommissioning Perenco Brugge May-June 2018 VARG A decom cutting @ 85-95 m: https://youtu.be/Ji_SzoAbpH8 81 •Campaign 1: shortening of pin piles dia 2.4 m WT 85mm (cutting and lifting tool) •Campaign 2: sub-bottom cuts of pin piles WT 130mm, including grout volumes •Campaign 3: sub-bottom cutting and removal of docKing piles, conductors Saipem Northern North Sea May-August 2018 80 Rentel OWF Diving services: remove dyneema wires which are tangled up around the monopile structure of the OHVS GeoSea North Sea March 2018 VARG A test cuts at 87m water depth •Cutting of complex cross sections 79 oSteel/water/steel 100/100/40 mm oSteel/grout/steel 100/60/100 mm Cartagena, Spain oSteel/grout/steel 100/100/40 mm Saipem Fort William, Scotland February-April 2018 Varg A test cuts in test tanK •Cutting of complex cross sections 78 oSteel/water/steel 100/100/40 mm oSteel/grout/steel 100/60/100 mm oSteel/grout/steel 100/100/40 mm Saipem Belgium December 2017 ArKona OWF 77 •Cutting of two cable entry holes in MP foundation oElliptic Hole cuts (Hole: 500 x 760, WT 80 mm) •Supporting diving operations Van Oord Germany January 2018 Rentel OWF – Cable entry hole cutting 76 •Cutting of one cable entry hole in MP foundation (OD hole 640, WT 80) •Supporting diving operations GeoSea Belgium October 2017 75 MerKur OWF – OSS installation •Cutting and lifting 4 sleeve pile tops (OD 2438mm , WT 75mm, Length approx. 3,3m) Seaway Heavy Lifting German Bight October 2017 Leman BH Decommissioning 74 •Cutting of lifting holes •Internal pile dredging •Internal pile cutting 3m below seabed BosKalis North Sea April 2017 73 Rampion OWF – OSS installation •Cutting and lifting 4 sleeve piles (OD 2200, WT 50, Length approx. 5m) Scaldis English Channel February-March 2017 Antwerp water treatment plant refurbishment 72 •Diving worKs •Shut off door installation Visser Smit Hanab Antwerp, Belgium August 2016 - 2017 Oil&Gas NAM L1 platform caisson cutting 71 •Abrasive waterJet cutting •Platform Maintenance worKs Shell/NAM North Sea, Netherlands October 2016 North Sea One OSS platform installation 70 •Abrasive waterJet cutting and lifting •Pile tops cutting and lifting (OD 2438, WT 60, Length approx. 3 -5m) Scaldis North Sea, UK July 2016 69 Oil&Gas P11 platorm installation •LWROV installation monitoring Eversea North Sea, Netherlands April-May 2016 Race BanK OWF proJect 68 •HP monopole cleaning Race banK Wind Farm, •Met Mast Decommissioning GeoSea North Sea UK August-September 2016 Perenco Thames decommissioning proJect 67 •Abrasive WaterJet cutting Thames JV: BosKalis- •Multi string conductor cutting Scaldis JV Thames estuary, UK March-April 2016 66 KamaraJar salvage diving proJect •Diving to salvage sunKen excavator DEME KamaraJar, India October-November 2016 65 Oil&Gas F3FA Platform grout removal testing programme Suction Pile technology Bruges, Belgium 2016 - 2017 64 Dudgeon OWF monopile cleaning Dudgeon Wind farm, •HP monopile cleaning Seaway Heavy Lifting North Sea UK January-August 2016 63 De BlanKaert water reserve •Diving and installation worKs De Watergroep Belgium January-December 2016 Galloper OWF JUP installation monitoring 62 •“Innovation” JacK Up platform leg and soil penetration monitoring and inspection •LWROV services GeoSea North Sea October 2015 Al Rumailah platform decommissioning, salvage worKs 61 •Abrasive Water Jet Cutting •Salvage diving Smit Salvage/BosKalis Qatar, Gulf of Aden August-December 2015 60 Oil and gas L10 E platform worKs •LWROV assistance Eversea North Sea August-September 2015 WiKinger OWF assistance •Pile dredging dia 2.7 m and 3.7 m (sand, clay, maerl,…) 59 •Pile relief drilling 2.7 m diameter (as above + limestone and granite) •Cutting and lifting damaged piles (30 cuts) (OD 2700, WT 65, Length approx.
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