Definition of “Sports Field Portion of The work” - The sports field portion of the work determined to be the scope of qualifications for the sports field builder, either as the prime contractor or as sub-contractor shall include the following elements: 1. Fine grading and preparation of the sub-grade after mass excavation; 2. All drainage elements specifically for the natural surface; 3. All new irrigation components and controls, pump, including plumbing to new irrigation system; 4. Under field structural gravels, drainage gravels, and root zone blends; 5. All artificial turf infield and bullpen materials; 6. Finish grading and certification of grades prior to sodding/skin finishes; 7. New natural grass sod outfield; 8. In ground sports equipment within the playing field area; bases, plates, foul poles