2000-04-04_GENERAL DOCUMENTS - C1981037 (5)

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Inlet and Outlet Basins (General Description The inlet basin is to be shaped to receive the flow from the upstream weir (existing concrete drop structure) to the culvert. Grouted riprap is to line the inlet basin in its entirety, from a minimum elevation 1 and %foot above the top of the culvert to the top of the extended wingwalls of an existing drop structure. 'The junction of riprap and culvert material (at both the inlet and discharge basins), and the junction of riprap with the face of the existing concrete drop structure, is to be continuous grout at a minimum thickness of 1 foot. 3. Guardrail Installation A post and cable guardrail, to be located on the drainage-crossing fill. The two guard rails are approximately 150 feet long each. Posts, at 10-foot intervals, are 6" x 6" treated wood, eight feet long, embedded into the fill 3 feet, the outside edge of the post 6 inches from the edge of the roadway. One-inch cable is to be strung, and clamped, through holes, centered, 1 '/2 foot below the top of the posts, with maximum sag between posts no more than 6 inches. 4. Erosion Repair. The erosion features to be reclaimed are shown on Drawing 1. The erosional ravine slopes are to be laid back to 3 horizontal to 1 vertical. 5. Revegetation All areas disturbed during reclamation work and any other areas specified in these Special Conditions will be revegetated according to the Revegetation Specifications in the General Bid Specifications. Commercial fertilizer is required for this project. Seed will be supplied by the OWNER. The Special GEC seed mix will be used on all areas. 6. Equipment Rental Task #6 involves rental hours for a bulldozer to perform additional earthwork. All work performed under this Task must be authorized and witnessed by the PROJECT MANAGER, and shall be paid for on an hourly basis up to a maximum of 10 hours. Bulldozer---Hydraulically operated blade, minimum 120 fhp, with operator. 8