The purpose of a DBR Hatchis to facilitate access to the Double Bottom Tank (DBT) or Double Bottom Room(DBR) compartment situated beneath the ship's waterline. This compartment iscommonly employed for the storage of fuel or ballast, and the hatch servesvarious functions such as maintenance, inspection, or cargo operations. The DBRHatch enables the loading and unloading of fuel or ballast, inspection of thecompartment for any damage, cleaning, and undertaking any necessary repairs.