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Welcome to ABL Group

Longitude is the design and engineering arm of ABL Group - a global and independent consultancy delivering marine, energy, engineering and software solutions to drive safety and sustainability in renewables, maritime and oil & gas sectors. ABL Group operates across 43 countries worldwide.

About ABL Group
ABL Group Companies:

Proper Marine

Longitude's division in Brazil - specialists in naval architecture and offshore engineering.

View Website

ABL

The energy and marine consultants, delivering technical services to support offshore energy and maritime sectors at construction, operations, decommissioning and in marine casualty scenarios.

View Website

AGR

Engineering consultancy, skills resourcing, survey and software provider, specialising in wells, subsurface, and marine operations.

View Website
OWC - An ABL Group Company

OWC

The renewable energy consultants - providing technical advisory, engineering and consulting for the commercial-scale development of renewable energy onshore and offshore.

View Website
Longitude
An ABL Group Company Group Overview
Menu
  • About Us
  • Sectors
    • Oil & Gas
    • Renewables
    • Defence
    • Commercial Maritime
    • Infrastructure
  • Services
    • Column One
      • Marine Operations Engineering
        • Offshore Installation
        • Module Transportation
        • Wind Farm Installation
        • Decommissioning
        • Site Specific Assessment (SSA)
        • Moorings, Umbilicals, Risers & Pipelines
        • Cable Installation
      • Site Investigations
        • Cable & Pipeline Risk
        • Site Characterisation
        • Survey Management
        • Seabed Morphology
        • Metocean Analysis
    • Column Two
      • Marine Design, Upgrade & Conversion
        • OSD-IMT: Vessel Design
        • Floating Production Systems
        • Jack-Up and Floating Rigs
        • Small Craft
        • Ships
        • Maritime Civil Engineering
        • Fixed Structures
        • Geotechnical Design
      • Advanced Analysis & Simulation
        • Computational Fluid Dynamics
        • Advanced Finite Element Analysis
        • Multibody Hydrodynamics
        • Dynamic Simulations
    • Column Three
      • Clean Shipping
        • Ballast Water Systems
        • Exhaust Gas Emissions Management
        • Hybrid Propulsion Systems
  • Our People
  • Our Offices
  • Case Studies
  • News
  • Careers
  • Contact Us
Home / Case Studies / Page 2

Case Studies

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Sector

  • Oil & Gas
  • Renewables
  • Defence
  • Commercial Maritime
  • Infrastructure

SERVICES

  • Vessel Design / OSD-IMT
  • Marine Operations Engineering
  • Site Investigations
  • Advanced Analysis & Simulations
  • Marine Design, Upgrade & Conversion
  • Clean Technologies
  • Geotechnical Design
  • Decommissioning
  • Site Specific Assessment (SSA)
  • Moorings, Risers & Pipelines
  • Maritime Civil Engineering
  • Piles, Jackets & Subsea
  • Jack-Up Rigs
  • Cable & Pipeline Risk
  • Seabed Morphology
  • Module Transportation

Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

PASSENGER/VEHICLE FERRY OSD-IMT449

Principal Characteristics Length O.A.: 49.60 m Length B.P.: 43 m Beam Mld.: 11.40 m …

Sector: Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

Landing Craft Ferry OSD-IMT435

Principal Characteristics Length O.A.: 35 m Length B.P.: 30 m Beam Mld.: 3.50 m …

Sector: Oil & Gas Renewables

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

65 m Shallow Draft AHTS

The DP1 vessel has a Bureau Veritas Ice Class Notation, and is fully equipped to operate in the challenging and extreme conditions of the Caspian Sea, where ice formation…

Sector: Oil & Gas Renewables Commercial Maritime

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

80 m SD Multipurpose Vessel

AHTS, Supply Vessel, Standby Rescue Vessel, Light Construction Vessel, Fire Fighting Ship, Tug. Principal Characteristics L.O.A.: 80.09 m Lpp: 75.63 m Breadth Moulded: 16.50…

Services: Vessel Design / OSD-IMT

65 m Shallow Draft AHTS

AHTS, Supply Vessel, Standby Rescue Vessel, Tug, Fire Fighting Ship. Principal Characteristics L.O.A.: 66.29 m Lpp: 65.53…

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

Anchor Handling Tug OSD-IMT7501

Principal Characteristics L.O.A.: 51.20 m Breadth mld.: 16.00 m Depth main deck: 7.50 m Draft Design: 5.50 m Other Information

Sector: Oil & Gas Renewables

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

90T BOLLARD PULL AHTS OSD-IMT959

Principal Characteristics L.O.A.: 59.80 m L.B.P.: 52.80 m Beam: 16.00 m Draft: 5.50 m Download Data Sheet

Sector: Renewables

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

Service Operations Vessel OSD-IMT9672

Principal Characteristics L.O.A.: 72.20 m L.B.P.: 66.50 m Beam: 17.00 m Depth: 7.55/11.00 m Summer Load Draught: 4.50 m Deadweight:…

Sector: Renewables

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

Service Operations Vessel OSD-IMT9662

Principal Characteristics L.O.A.: 86,00 m Beam: 18,00 m Depth: 7,55/11,00 m Deadweight: 2000 tonnes approximately Other Information Accommodation: 120…

Sector: Renewables

Services: Vessel Design / OSD-IMT Marine Design, Upgrade & Conversion OSD-IMT: Vessel Design

Service Operations Vessel OSD-IMT9660

Principal Characteristics L.O.A.: 59,20 m Beam: 16,80 m Depth: 7,55/11,00 m Deadweight: 1000 tonnes…

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