Marine Contracting and Installation

Services

Transportation Barge / Vessel

Dry Towage Transportation

By Self-Propelled Semi-Submergible

Vessel

By Towed Semi-Submergible

Vessel

24.01.01S

Wet Towage Transportation

Work Barge / Vessel

Offshore Logistics

Offshore Inspection, Repair and

Maintenance (IRM) Services

24.03 24.04.01S

By Convoy (Tug + Barge)

Above 350 ft

Up to 350 ft

24.01.03S

24.01.04S

By Barge

Above 350 ft

Up to 350 ft

24.01.05S

24.01.06S

Self-Elevating Barge

Crane Barge

Accommodation Barge/Vessel

Diving Support Vessel (DSV)

24.01.07S

24.01.08S

24.01.17S

24.01.15S

24.01.02S

Offshore Support Vessels (OSV)

AHT and AHTS

Over 18001 BHP

With 15001 -18000 BHP

24.01.18S

24.01.19S

With 12001 -15000 BHP

With 10001 -12000 BHP

24.01.20S

24.01.21S

Ocean Going Tug

Crew BoatFast Boat

24.01.30S

24.01.32S24.01.31S

Helicopters for Offshore activities

Light Helicopters

Medium Helicopters

24.01.33S

Port Terminal Operations

Storage

Heavy lift stevedoring

24.03.01S

24.03.02S

Ro-Ro shipping (Roll-on/Roll -off)

Hazardous Waste

Management

24.03.03S

24.03.04S

Towing

24.03.05S

Bunkering

24.03.06S

Offshore Catering

24.03.07S

Offshore Decommissioning

and Removal

24.05.01S

Chartering for Offshore activities

24.01

24.01.34S

Offshore Installation

24.02

Fixed Offshore Structures

Platforms

Offshore Wind Farms

24.02.01S

24.02.05S

Tidal/Wave installations

24.02.06S

Pipes and Cables

24.02.02S

Subsea Umbilical, Risers, Flowlines

(SURF)

24.02.03S

Floating Offshore Structures

Single Point Mooring Buoys

(SPM)

24.02.07S

FPSOs

24.02.08S

HSE Systems & Antipollution Equipment

24.02.04S

PSV (Platform Supply Vessel)

Over 4500 tons

3001 to 4500 tons

24.01.24S

24.01.25S

1501 to 3000 tons

Up to 1500 tons

24.01.26S

24.01.27S

With 7001 –10000 BHP

24.01.22S

Up to 7000 BHP

24.01.23S

ROV Support Vessel

24.01.28S

Well Stimulation

Vessel (WSV)

24.01.16S

Seismic Research

Vessel

24.01.14S

Pipe Laying Support Vessel

(PLSV)

24.01.11S

Heavy-liftvessel

24.01.10S

Cable layervessel

24.01.12S

Multi-Purpose Supply Vessel

24.01.13S

Oil Spill Response

Vessel (OSRV)

24.01.29S

LaunchingBarge

24.01.09S

Hook Up

Heavy Helicopters

24.01.35S

24.02.09S

24

Offshore Support Structures

Floating Cylinders and Wharves

Anchor Logs Iron and Steel Lines

Steelwork to Protect Subsea

Structures

Flooring for Offshore Helipads

Protective Mattresses for

Sealines

24.06

24.06.01G

24.06.02G

24.06.03G

24.06.05G

24.06.04G

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Rev. 02February 2016

Chartering for Offshore activities

• Anchor Handling Towing Supply Vessel (AHTS) are highly

versatile large, powerful Anchor Handling Towing Supply

vessels, capable of all types of towing and anchor handling

activities. AHTS are able to position and moor drilling rigs

under challenging conditions. They also provide general

offshore support service, drilling rig support functions and

cargo transport.

• Platform Supply Vessels (PSV) carry a wide variety of

cargoes, namely: fuel, drilling fluids, cement or mud

(stored in tanks beneath the deck). Decks transport

materials such as casing, drill pipe & tubing.

• Some of the Work Barge / Vessel are frequently

associated with the broad family of Construction Support

Vessels (CSV).

• Regarding Helicopters for Offshore activities, they are

generally divided according to their max gross weight.

However, not official reference on classification exist.

Another possible definition is according to the number of

passenger seats:

o Light, up to 6000 lbs, less than 9 passenger seats;

o Medium, 3500 to 12500 lbs, 10-18 passenger seats;

o Heavy, above 12500, 19 or more passenger seats.

Offshore Decommissioning and Removal

Offshore Installation

Offshore Logistics

Offshore Inspection, Repair and Maintenance (IRM) Services

• Offshore construction is the installation of structures and

facilities in a marine environment, usually for the

production and transmission of electricity, oil, gas and

other resources.

• Offshore support terminals are the intermediaries

between platforms and suppliers for oil companies.

o Beside the transportation of goods and people,

provides storage services, anchorage, residues

treatment, answer to emergencies, …

o The main components of an offshore support terminal

are the pier and cranes, silos, and storage space

• The Offshore Hook-Up is the activity of connecting the

various modules together, including piping, electrical

cables, structures, …

• Comprehensive subsea inspection services for pipelines,

risers, platforms, hulls and moorings leverage on vessels

and on ROVs together with experienced teams of

surveyors, inspection engineers supported by specialised

software tools.

• It embraces a large set of activities: seek approval

services, clean services, treat/ store hazardous waste,

remove offshore (lift), dispose onshore, site clearance,

monitor residual liabilities.

• To be detailed in the next revisions.

Offshore Support Structures

• Offshore Support Structures that require more complex

EPCI works (e.g. tripods for offshore wind farms, …) are

mapped in the Engineering, Procurement and Construction

Group.

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Marine Contracting and Installation Services

Main rationales behind the Standard Categorization

Offshore Installation services and Marine Contracting are complex services delivered through ad-hoc assets(vessels, barges, helicopters, …), mainly for the Oil&Gas, Renewables and Telecommunication industry. They can bespot services, as well as multi-year contracts.

Some of the vessels deployed for this services require specific equipment to the offshore functionality (e.g. pipe-laying systems, diving systems, …): such equipment are mapped in other Group (e.g. 21 and 22)

Rev. 02February 2016