[Er.sandeep jain]

Bottom Drive Lift
For building up to about 8 floors the lift machine room may located at / below the lowest floor

• The system is for less then 8 floors
  
• The car speed is limited to 1m/s
  
• The lift machine create more noise in lift shaft
  
• More maintenance cost
  
• Vibration is more difficult to isolate from structure
  
• Impose greater load on structure
  
• The system cost is more