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shattering and rock picking should be suspended when saturated or frozen soil conditions occur. This final phase of restoration can be completed when appropriate moisture conditions return the following season. Existing and Future Farm Drainage Surface drainage ways for storm runoff and for the outletting of subsurface drain lines are afforded agricultural lands by natural creeks, swales, ditches, diversion terraces, etc. Subsurface drainage is managed through installed practices of random and pattern tile drain lines. Protection of existing surface and subsurface drainage is important for crop productivity as is the capacity to install future tile drain lines and maintain ditches. Standard: Existing Drainage Surface drainage systems affected by the pipeline project should be protected and their function maintained by temporary fluming. Earthen berms of surface drainage systems (e.g. diversion terraces) should not be breached. Where breaching is unavoidable, the earthen berm should 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 standards of the NYS Department of Agriculture and Markets. All repairs and protective pipe sleeving or supportive channel iron 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. Control of Water Piping, Soil Saturation and Seeps Pipeline trench excavation in and immediately upgrade from agricultural areas can alter the natural stratification of soil horizons and natural soil drainage patterns. Standard: The pipeline right-of-way should be monitored for at least one year following restoration for surface seeps and areas of prolonged soil saturation. Such measures as subsurface intercept drain lines should be used to prevent surface seeps and the seasonally prolonged saturation of the backfilled trench zone and adjacent areas. Intercept drain lines should be installed according to the specifications of the USDA Soil Conservation Service. Revised: 10/16/02