Specifications include, but are not limited to: Vendor To Bid To Perform Diagnostic Service On All GRDA Hydro Department Ingersoll Rand Rotary Screw Type Air Compressors (7 Compressors At 3 Different Locations) For A one (1) Year Period. Price Includes All Travel, Mileage, And Expenses. This Diagnostic Service Is To Be Done Once At The Start Of The Service Period And At Six (6) Month Intervals Thereafter At Each Of The Three Locations: Salina Pumped Storage (Salina, OK), Pensacola Dam (Langley, Ok), and Kerr Dam (Locust Grove, Ok). Diagnostic Service To Include: 1. Lubricant Oil Analysis 2. Vibration Analysis On Bearings 3. Complete Inspection Of Compressor For Proper Operating Condition. 4. Advise GRDA Personnel Of Deficiencies And Provide Service/Repair Recommendations.