Following this Ice Navigation Seminar, the slides are available for the participants and other who might be interested in this particular topic.
The slides can be downloaded here:
Arctic Piloting and voyage planning - Capt. Fritz Ploug Nielsen
Arctic Sailing, types of ice - Capt. Fritz Ploug Nielsen
Shipowner's liability when navigating the Northern Sea Route - Lars Rosenberg Overby, Kromann Reumert
Hull & Machinery insurance when navigating in ice (NMIP) - Robert Helstrup Hansen, Codan
Ice Classes in Brief - Håvard Nyseth / Karsten Bertelsen, DNV GL