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will be fully restored by engineering methods and materials consistent with the specifications of the USDA Soil Conservation Service. All severed tile drain lines should be repaired, maintaining original gradient, using methods and materials consistent with the specifications of the USDA Soil Conservation Service. All repairs and protective sleeving should be shouldered firmly at least three feet beyond the limit of the water/sewer line excavation. Future drainage During project planning and design, all operators of affected farmland should be inventoried for future locations of surface or subsurface drainage. All such locations should be noted in the design. Depth and gradient for such future surface or subsurface drainage installation, consistent with USDA Soil Conservation Service engineering specifications, should be accommodated by appropriate engineering of the depth-of-pipeline beyond the minimum burial of 4.0 feet as applicable. Deep Ripping and Stone Removal The dense compaction of the soil should be alleviated together with stone removal prior to the final seedbed preparation. Standard: During periods of relatively low to moderate soil moisture, the affected right-of-way should be alternately deep chiseled and rock-picked until uplifted stone/rock materials of four inches and larger size are cleared off the site and disposed of properly. Revised: 10/16/02