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The remaining bench remnant shall be graded to ensure that water drains away from the base <br /> of the fill area. Two (2) contour furrows will be constructed on the bench remnant to contain <br /> runoff in order to help prevent sediment transport. These furrows are described, and will be <br /> constructed and paid for, under Task 5, Surface Drainage: Contour Furrows. <br /> Upon completion of backfilling, grading and drainage construction, the bench remnant shall <br /> be ripped to a depth of eighteen (18) inches. <br /> Measurement and Payment <br /> There will be no measurement for payment for excavation, placement of backfill materials, <br /> grading, ripping and culvert removal. Payment for these portions of Task 4 will be reflected <br /> under Item 4 on the Bid Schedule. This bid will cover all costs for excavation and placement <br /> of the bench outslope materials, placement and compaction of the fill at the base of the <br /> highwalls and cuts, final grading of the benches and cut and fill area outslopes, road grading <br /> operations, road berm removal, culvert removal or decommissioning and ripping operations. <br /> Payment shall be as this task is completed and approved by the PROJECT MANAGER. <br /> 20 <br />