DNV—GL — RISK ASSESSMENT OF PIPELINE PROTECTION

Another recommended practice released by the DNV GL classification society. The present document is dealing with the risk assessment of the pipeline protection. The content of the paper has been arranged in eight separate sections. The first and last section are providing general introduction to the subject and references, respectively.

The methodology related section addressed safety objectives and relevant acceptance criteria, identification of the hazards involves, risk assessment and measures to reduce risk. In the next section the activities are described in detail. The fourth section covers the pipelines and protection capacity including classification of the damages, steel pipelines, umbilicals and flexible pipelines, and different methods of protection.

The remaining sections of the booklet are dealing with the failure frequency including energy calculation, trawling and anchor handling, frequency ranking and crane activity etc., consequences including human safety and economic losses, and risk assessment including uncertainty assessment. The appendices provide example of the risk assessment procedure and procedure to be followed for testing of impact capacity.