Collision Risk Modelling (COAST/COLLIDE)

Safetec’s own offshore and marine risk assessment tool

For 30 years, Safetec has been providing collision risk assessments. For collision risk assessment at sea, our experts have developed two principle software tools; the COAST tool for computer-assisted shipping traffic and the COLLIDE analysis program.

COAST is a tool on a GIS platform used for analysing a variety of data sources such as ground and satellite based AIS data, radar data, Lloyds port log data, manual traffic counts and information from operators. It was developed as a route database for use in UK waters, but was quickly expanded to include Norwegian waters. Today it is a tool used to analyze traffic worldwide.

The modelling tool COLLIDE calculates collision risk at a given offshore location based on data from COAST combined with environmental data and geometrical input. The collected data is used to identify and analyze patterns of ship traffic. We conduct studies, surveys and collision risk assessment for shipping, offshore installations, platforms, drilling rigs, FPSO, pipes, cables and offshore wind farms.

This lays the foundation for other types of maritime risk assessments, such as improvements of the fairway, future traffic forecasts, marine oil pollution, risk of collision and grounding. Based on the analyses, the actions are considered in order to avoid accidents – and possible consequences and actions to be taken if the crash still should happen.

In the offshore industry COAST and COLLIDE have been used on the UK and Norwegian Continental Shelf for decades, and is the industry standard for calculating vessel collision risk frequencies.

Planning offshore exploration and development projects involves dealing with numerous concerns regarding operational safety. One of the concerns that project developers must face is the risk of ship collision with the installation. The consequences can be extensive in terms of loss of life, environmental damage, structural damage and economic inconvenience.

For all new drilling operations on the Norwegian Continental Shelf, ship collision risk must be identified.

To be able to assess the overall risk, Safetec also has a computational model for collisions between supply vessels and offshore installations during loading operations.
This model calculates collision risk for visiting vessels (mainly supply vessels) and vessels operating in the immediate vicinity of an installation or stationary object/vessel. Since size and power of supply vessels increase, the impact of collisions even at low speeds also increases.

Safetec offers a wide range of maritime risk assessments to clients worldwide. Two of our core services are Vessel Traffic Survey (VTS) and Collision Risk Assessment (CRA), including fishing vessel activity and risk, shuttle tanker operations, risk in relation to floatel and other relevant maritime assessments. We also offer bespoke services such as fairway improvements assessments, traffic flow prognoses, environmental exposure assessments, mapping and categorization of vessel traffic, subsea installation vulnerability due to shipping, comparative risk assessments and more.

We look forward to discussing collision risk methodology with operators and other industry stakeholders, and would be happy to provide more information about our software tools COAST and COLLIDE, at your convenience.