1. Ensure selected installation site satisfy all requirements of local quality control dept, and obtain permission of them before installation the Passenger Hoist. 2. Ensure the selected installation site has road and yard to transport and stack the Building Hoist and its parts. 3. To protect stabilization of the Construction Hoist you should make the machine near the building, but the distance between moving parts of hoist and fixed constructing equipment should be not less than 250mm. 4. Make sure that there is power supply on the erection site. Provide a power box specialized for the hoist and a switch for each cage. 5. The main power of site should connect with transformer substation by 3×25+2×10mm2 cable. Each cage has one cable. Increase section of cable with the distance increased. 6. Make sure that there is lifting equipment and tools at the erection site. 7. Cast a foundation according to manufacture's needs. 8. Prepare pre-embedded parts and fixed parts of tie-in. 9. Check parts according to packing list during transporting and storage. If missing or damage, should repair or replace in time. 10. According to equivalent ordinance and requirement to set up grounding protection device, its grounding resistor is less than 4Ω.