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' S.2 Access Roads Contractor's access roads shall be planned in such a manner that excavation of said roads shall coincide, to the extent practicable, with the construction of a permanent road and other ' excavations associated with the project. Prior to development of access roads, the Contractor shall submit a plan showing their location and size for the Engineer's approval. ' S.3 Borrow Areas Borrow areas shall be established, as necessary, for embankment materials. The location, physical dimensions, and depth of stripping or extent of existing material stockpiles shall be ' identified by the Engineer prior to commencement of work requiring such borrow material. Within borrow areas, cut slopes shall be maintained at 3:1 or less. 6.0 FILL MATERIALS ' 6.1 General ' Fill materials shall be obtained from approved sites and local borrow areas. Road base materials, if required, shall be either produced in the vicinity of the site or imported. Selective borrowing of materials will be required. ' , No embattlement materials shall be placed until the foundation preparations have been completed ' and approved by the Engineer. Subsequent placement of fill shall be made only in areas approved by the Engineer. Placement of the fill shall be done to the lines and grades shown on the Drawings. ' Fill shall be placed in near horizontal lifts unless otherwise approved by the Engineer. Fill placement procedures and equipment shall be organized and suitable for constructing a relatively uniform fill meeting minimum density and/or compactive effort requirements, as specified. Fill surfaces shall be graded to drain as materials are placed. The Contractor shall dewater or ' provide drainage for ponded water conditions in fill areas. The procedures for the construction using fill materials shall be discussed with, and approved by, the Engineer prior to placement. In particular, construction procedures shall be such to prevent damage to synthetic liners, contamination or excessive compaction of drainage blanket materials or damage to drain pipes. Construction procedures shall incorporate methods for t -i i-