What is required to decommission a hydraulic elevator?

Decommissioning a hydraulic elevator involves several critical steps to ensure safety and compliance with regulations. Removing oil and disconnecting pipelines is essential because hydraulic elevators operate using oil in a system that drives the piston. If the elevator is to be decommissioned, the hydraulic fluid must be completely removed to prevent leaks and environmental hazards.

Disconnecting the pipelines is equally important, as it ensures that the elevator is no longer connected to any source of hydraulic pressure. Merely disconnecting the power supply would not address the critical mechanical aspects of the elevator, such as the hydraulic system, which could still pose risks if left intact. Other options that involve simply covering or sealing the elevator do not address the necessary steps to safely and properly decommissioning the system, which can prevent potential hazards in the future. The comprehensive approach of removing the oil and disconnecting pipelines reflects the standard practice to ensure the elevator is safely out of service.