A system and a method for forming the system. The system includes a cooling conduit and rack containers stacked in a first direction parallel to a floor. Each rack unit includes at least one heat generating device configured to generate heat while in operation. Each rack container is equipped with wheels positioned on a supporting structure to enable the wheels to move along the supporting structure in a second direction which enables adjacent rack containers to move closer to or further from each other. The second direction is parallel to the floor and perpendicular to the first direction. The supporting structure is on the floor and oriented in the second direction. The cooling conduit is secured on a top surface of each rack container to allow a cooling fluid to flow into each rack container and be heated by absorbing heat from the at least one heat generating device.