1. The power supply and illumination switch for each elevator must be independently designed, and the switch capacity and power supply cord length must satisfy the designed requirements for the elevator.
2. Engineering construction of all building foundations, shaft separation and supporting steel beams, embedded parts, drilling, backfill and waterproof work, etc.
3. Wiring outside the shaft, including but not limited to power supply, interphone and CCTV system, etc.
4. Hooks must be set at the top of the shaft, and the load must meet the requirement of the drawing.
5. Cement, sandstone, water, electricity and power supply for elevator installation.
6. For details, please refer to the elevator contract and drawings.