Sports Field Drainage Project, Tournament Sportsplex

1. Locate existing flat 12-inch drainage that is on 15-foot centers. 2. Layout trenches parallel to existing drainage on 20-foot centers. 3. Sod cut at a depth of 1 in. removed to the side of the trench to be reinstalled at the end of construction. 4. Trench shall be a minimum of 9 inches wide and 15 inches deep. 5. Rock bed shall be washed 89 granite stone of a minimum depth of 9 inches the bottom of which shall produce a constant grade of not less than 0.5 % slope. 6. Trench shall be filled with 3/4 inch layer of gravel on the bottom, then install 4 inches N12 ADS pipe in the center of the trench. Then, backfill with a minimum of 9 inches of gravel. 7. Install 90/10 root zone mix on top of the gravel, maximum depth of 6 inches, then compact with plate compactor, level, and reinstall sod. 8. The outfall of the 4-inch N12 pipe will be connected to the existing 6-inch N12 pipe running along the sideline of the field. Sports Field Drainage Project, Tournament Sportsplex. Project Work at the Hillsborough County Tournament Sportsplex. The Tampa Sports Authority Reserves the Right to Reject Any and All Bids, to Waive Irregularities, if Any, and Accept the Bid, Which in the Judgment of the Authority, Is Determined to Be in Its Best Interest.

Division 31 -	Earthwork, Erosion and Sedimentation Controls.
Division 33 -	Utilities, Storm Drainage Utilities, Ponds and Reservoirs.