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description: "Anchor installation (suction, driven, helical, DEA, SEPLA) with tensioning and verification."
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retrieve_anchor:
@@ -76,8 +76,8 @@ retrieve_anchor:
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- crane
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- pump_subsea
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- positioning_system
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-
duration_h: 4
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-
Hs_m:: 2.5
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+
duration_h
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+
Hs_m
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description: "Anchor retrieval, including break-out and recovery to deck."
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@@ -92,8 +92,8 @@ load_mooring:
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- positioning_system
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operator: # the entity with the crane (like the port or the new vessel)
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- crane
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-
duration_h: 2
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-
Hs_m:: 2.5
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+
duration_h
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Hs_m
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description: "Load-out of mooring lines and components from port or vessel onto vessel."
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@@ -107,8 +107,8 @@ lay_mooring:
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- bollard_pull
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- mooring_work
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- positioning_system
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-
duration_h: 6
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-
Hs_m:: 2.5
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+
duration_h
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+
Hs_m
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description: "Laying mooring lines, tensioning and connection to anchors and floaters."
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@@ -125,8 +125,8 @@ mooring_hookup:
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- mooring_work
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- positioning_system
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- monitoring_system
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-
duration_h: 2
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-
Hs_m:: 2.5
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+
duration_h
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Hs_m
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description: "Hook-up of mooring lines to floating platforms, including pretensioning."
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# --- Heavy Lift & Installation ---
@@ -139,8 +139,8 @@ install_wec:
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- positioning_system
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- monitoring_system
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- rov
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-
duration_h: 20
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-
Hs_m:: 2.0
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+
duration_h
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+
Hs_m
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description: "Lifting, placement and securement of wave energy converters (WECs) onto moorings, including alignment, connection of power/data umbilicals and verification via ROV."
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install_semisub:
@@ -156,8 +156,8 @@ install_semisub:
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- sonar_survey
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- pump_surface
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- mooring_work
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-
duration_h: 36
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-
Hs_m:: 2.5
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+
duration_h
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+
Hs_m
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description: "Wet tow arrival, station-keeping, ballasting/trim, mooring hookup and pretensioning, ROV verification and umbilical connections as needed."
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install_spar:
@@ -172,8 +172,8 @@ install_spar:
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- sonar_survey
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- pump_surface
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- mooring_work
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-
duration_h: 48
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-
Hs_m:: 2.0
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+
duration_h
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Hs_m
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description: "Arrival and upending via controlled ballasting, station-keeping, fairlead/messenger handling, mooring hookup and pretensioning with ROV confirmation. Heavy-lift support may be used during port integration."
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install_tlp:
@@ -188,8 +188,8 @@ install_tlp:
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- rov
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- sonar_survey
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- mooring_work
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-
duration_h: 60
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-
Hs_m:: 2.0
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+
duration_h
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+
Hs_m
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description: "Tendon porch alignment, tendon hookup, sequential tensioning to target pretension, verification of offsets/RAOs and ROV checks."
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install_wtg:
@@ -199,8 +199,8 @@ install_wtg:
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- crane
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- positioning_system
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- monitoring_system
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-
duration_h: 24
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-
Hs_m:: 2.0
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+
duration_h
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+
Hs_m
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description: "Installation of wind turbine generator including tower, nacelle and blades."
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# --- Cable Operations ---
@@ -213,8 +213,8 @@ lay_cable:
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- monitoring_system
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- cable_reel
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- sonar_survey
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-
duration_h: 24
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-
Hs_m:: 2.5
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+
duration_h
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Hs_m
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description: "Laying static/dynamic power cables, including burial where required."
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retrieve_cable:
@@ -224,8 +224,8 @@ retrieve_cable:
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- positioning_system
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- monitoring_system
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- cable_reel
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-
duration_h: 12
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-
Hs_m:: 2.5
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+
duration_h
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Hs_m
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description: "Cable recovery operations, including cutting, grappling and retrieval."
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# Lay and bury in a single pass using a plough
@@ -238,8 +238,8 @@ lay_and_bury_cable:
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- cable_reel
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- cable_plough
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- sonar_survey
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-
duration_h: 30
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-
Hs_m: 2.5
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+
duration_h
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Hs_m
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description: "Simultaneous lay and plough burial; continuous QA via positioning + MBES/SSS, with post-pass verification."
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# Backfill trench or stabilize cable route using rock placement
@@ -251,8 +251,8 @@ backfill_rockdump:
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- monitoring_system
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- sonar_survey
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- rock_placement
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-
duration_h: 16
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-
Hs_m: 2.5
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+
duration_h
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Hs_m
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description: "Localized rock placement to stabilize exposed cables, infill trenches or provide scour protection. Includes real-time positioning and sonar verification of rock placement."
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# --- Survey & Monitoring ---
@@ -263,8 +263,8 @@ site_survey:
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- positioning_system
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- sonar_survey
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- monitoring_system
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-
duration_h: 48
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-
Hs_m: 3.0
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+
duration_h
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Hs_m
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description: "Pre-installation site survey including bathymetry, sub-bottom profiling and positioning."
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monitor_installation:
@@ -273,6 +273,6 @@ monitor_installation:
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- positioning_system
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- monitoring_system
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- rov
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-
duration_h: 12
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-
Hs_m: 3.0
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+
duration_h
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Hs_m
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description: "Real-time monitoring of installation operations using ROV and sensor packages."
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