Moon pool for a ship or marine platform and sliding hatch cover there for, and method for lowering and lifting tools and/or instruments.

摘要

The present invention relates to a moon pool for a ship or marine platform, ship or marine platform comprising such moon pool, and a method for lowering and lifting tools and/or instruments. The moon pool according to the invention comprises: - an opening giving access to a room and/or water below; - a guiding construction configured for lowering and lifting tools and/or instruments to and from the room and/or water; - a hatch cover configured for covering the opening, wherein the guiding construction is at least partly provided in the opening and comprises a moveable guiding part that can be moved between an activated position enabling lowering and lifting tools and/or instruments and a retracted position enabling the hatch cover to cover the opening.