A. Screw Pump. 1. Manufacturer: Lakeside Equipment Corporation; or approved substitute. 2. Model: 09-168; or approved substitute. 3. Type: Stainless steel, internal screw pump. 4. Capacity: 700 gallon/minute. 5. Lift: 21.33 feet. 6. Angle of Inclination: 45 degrees. 7. Length: 30 feet, 11-1/2 inches. 8. Inside Tube: The spiral screw shall consist of an outer tube with internal conical helix (helicoid) shaped flights with a diameter of 30 inches. 9. Outer Tube Wall: The outer tube shall be fabricated of 316 stainless steel. The outer tube shall have a wall thickness of 5/16 inches. 10. Flights: Flights shall be fabricated of 316 stainless steel and continuously welded to the inside of the outer tube. The screw pump shall have two (2) flights with minimum flight thickness 1/4 inches. 11. Rotational Speed: The drive assembly shall be designed and constructed for a maximum screw rotational speed of 40 revolution/minute.
