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MISTRAL
Offshore Consulting
Offshore Vessel Estimator
Cable Lay & Rock Installation · v8.0 · Indicative Tool
Select a vessel
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Vessel & Project Inputs
Vessel Selection
Project Parameters
nautical miles
Auto-computed
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Total Duration
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days
Campaigns
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loadout cycles
Cable Wt / Pole
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t per pole
Total Project Cable
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t total (all poles)
Estimated Cost
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set day rate in Fleet tab
Schedule Breakdown
Project Notes
Shared Project Parameters
Fleet Database
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Enter vessel day rates (€/day). In Admin mode all fields are editable — including photos, specs, and notes. Dimensions sourced from MarineTraffic / official vessel brochures.
| Photo | Vessel⇅ | #⇅ | Type⇅ | Owner⇅ | IMO | MMSI | Built⇅ | Flag | LOA (m)⇅ | Beam (m) | Design Draft (m) | AIS Draft (m) | TT1 (t)⇅ | TT2 (t) | TT3 (t) | Total (t)⇅ | Max Comb. (t)⇅ | Trifoil | SLB | SRI Cargo (t) | Max Depth (m) | IFP | Load Rate (t/hr) | Install Rate (t/hr) | DP Class | Transit Spd (kts) | Photo URL | Notes | Day Rate (€/day)⇅ |
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✓ Day rates applied!
⛅ Rock Installation — Project Scope
Material & Fuel Costs
Rock purchase price per tonne (ex-quarry). Added to vessel day-rate cost to give total project cost. Fuel cost is prepared for future use.
Project Map
Project site
Quarry
Set site coordinates above to plot
Quarry Selection
Tick the quarries available for this project. Distances are auto-calculated from the site centre coordinates above (haversine × 1.15 routing factor). The tool selects the nearest accessible quarry per grade per campaign.
Campaigns & Berms
Each campaign is a distinct mob→work→demob cycle along a section of the route. Add berms to each campaign with up to 2 rock layers each.
Select a vessel
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Vessel Selection
Campaign
Vessel Productivity Overrides
Leave blank to use fleet defaults (shown as placeholder). Override for scenario testing.
Cost Add-ons
Applied on top of vessel + material cost. Default 3%.
⚠ No campaigns defined yet — go to the RI — Scope tab to set up the project.
⚠ No campaigns defined yet — go to the SRI — Scope tab first.
⚠ No campaigns defined yet — go to the SRI — Scope tab first.