A Derrick barge is a specialized vessel used in the construction industry for heavy lifting and transporting materials and equipment on water. It is equipped with a large crane, called a derrick, that can lift and move heavy objects with precision and ease. The barge is typically used in projects that require the transportation of large and heavy materials, such as construction of bridges, offshore platforms, and other structures in water.The Derrick barge is essential in construction projects that involve working over water, as it provides a stable platform for lifting and transporting materials. Its versatility and maneuverability make it ideal for navigating through narrow waterways and accessing hard-to-reach areas. The crane on the barge is capable of lifting heavy loads and placing them with precision, making