âAddressing the Challenges of New Frontiersâ is the topical theme for the International Marine Contractors Associationâs (IMCA) Annual Seminar being held in Singapore November 6-7, 2013. The program for the 18th seminar in the annual series is now online at imca-int.com/events/imca-annual-seminar.aspx, and registration is open. Open to members and non-members alike, the seminar features keynote addresses, presentations, workshops and discussions on diving including key developments and advances in diving equipment and operations; marine and subsea operations including DP operations; marine operations, technology and equipment; offshore surveying in remote and harsh environments; ROV and AUV resources and developments in technology.