Alerts & Learnings IMCA: Dropped GRP cover during subsea lifting A vessel was lifting and relocating a Pipe Line End Manifold (PLEM) GRP Top Cover when the load became detached and dropped approx. 7m. To view this IMCA alert in full and download the Step Change in Safety Verifications of Learning and Feedback Form, click 'Download Alert' button above. Download Alert Share: Share on Linkedin Share on Facebook Share on Twitter Share with Email