To install a building hoist safely, follow these steps: 1. Ensure the site is clear and secure, with proper access and no obstructions. 2. Check that the hoist is suitable for the load and building structure. 3. Assemble the hoist according to the manufacturer's instructions. 4. Install the hoist on a stable and level base, ensuring it is securely anchored to the building. 5. Conduct a thorough inspection of all components for any defects or damage. 6. Test the hoist with a trial run to ensure all functions work correctly. 7. Train operators on the safe use and operation of the hoist. 8. Obtain any necessary permits and inspections from local authorities. 9. Regularly inspect and maintain the hoist to ensure ongoing safety.