Modernization of Mid Rise Office Building

Modernization of 2, mid rise, geared elevators serving 9 floors in an occupied building in downtown Cincinnati using completely Non-Proprietary Equipment.

  • The Problem: The client had purchased a building where the elevators were in disrepair.
  • The Solution: A modernization of the elevators’ controls, door operation and fixtures was selected. A new AC motor was installed on the existing geared machines. Non-proprietary equipment was installed to improve safety, reliability and energy efficiency.
  • Replacement of the existing DC geared machine motors with new AC motors. Elimination of the energy inefficient motor generators. New hoist ropes were installed as well.
  • Installation of a code compliant rope brake system engineered to fit the existing machine configuration to prevent unintended movement.
  • Installation of new, non-proprietary, microprocessor controls and landing systems to improve energy efficiency through improved dispatching and improved ride profiles. New traveling cables as well.
  • New door operation and door equipment at each landing to improve reliability and improve floor to floor times.
  • All new low voltage, energy efficient hall and car call fixtures and indicators as well as the wiring to them.
Before: Obsolete Controls circa 1983 and Inefficient DC Machine with Ripple filter and transformer
After: New Non-Proprietary Micro-Processor Controls with Isolation Transformer
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