Yes, a double-rope lifting system can be used in a building hoist. This system offers advantages such as increased safety due to redundancy and the ability to lift heavier loads compared to a single-rope system. The double-rope setup allows for the hoist to handle the load with two separate ropes, reducing the risk of failure and providing a more stable lifting platform. It's common in applications where high load capacities and safety are paramount, such as in construction for lifting materials and equipment.