Specifications include, but are not limited to: Pump: 1. Pump shall be a Hidrostal D04R-SMN-3R Pump. The basic design shall be a single passage, clog free pump utilizing a screw centrifugal impeller. Pump shall be capable of 792 GPM @55 feet TDH at 2100 rpm or 475 GPM @ 75 feet TDH @ 2100 RPM. 2. Continuously rising head-capacity curve from runout to shutoff. 3. Designed to operate continuously at any point in specified operating range of performance curve without cavitation, overheating, or excessive vibration. 4. Engine nameplate horsepower rating not to be exceeded by pump brake horsepower required at any point on nominal pump performance curve. 5. Impellers utilizing, cutters or grinding to pass solids are equal or acceptable. 6. Open, or Closed, single or multi vaned impellers are not equal or acceptable.