Baltimore Aircoil Cooling Tower Water Chiller 4-Pump Unit 3000 Gal Tank 30Hp

This unit has not been used in years.  Will need serviced.
4-Pump Unit with a 3000 Gal Stainless Tank.
Baltimore Aircoil series 1500.
Tank size 118"L x 88"W x 90" Height.  Approximately 3000 Gallons.
Tower size 11' 9"W x 12'L x 15' Height.
Pumps are 30Hp, 5x4" and 8x6" flanged.  230/460V 3PH.  2 of each size.
Includes (2) 8" inlet x 6" outlet pumps.  (2) 5" inlet x 4" outlet.  
Berkeley Pump model B6JPBMS-30.
We did not test any of the pumps under power just checked to see if the impellers turn -One of the pumps is siezed up or rusted we were unable to turn it.