Washington Hydraulic/ Roped Hydraulic Elevator Layout Requirements refer to the design requirements set by the state of Washington for the installation and maintenance of hydraulic and roped hydraulic elevators. These requirements ensure that elevators are installed and operated in a manner that is both safe and reliable. There are two main types of Washington Hydraulic/ Roped Hydraulic Elevator Layout Requirements: 1. Hydraulic Elevator Layout Requirements: These requirements cover the details of the installation and servicing of hydraulic elevators, including the installation of the power unit, the hydraulic cylinders, the control valves, the safety devices, the counterweight, and the emergency stop switch. 2. Roped Hydraulic Elevator Layout Requirements: These requirements cover the details of the installation and servicing of roped hydraulic elevators, including the installation of the power unit, the elevator motor, the control valves, the safety devices, the counterweight, and the emergency stop switch. In addition to these two main types, Washington Hydraulic/ Roped Hydraulic Elevator Layout Requirements also cover a wide range of other topics, including the installation of the elevator shaft, the elevator car, the emergency stop switch, the fire safety systems, and the maintenance and inspection of the elevator system.