WebBoulders and large wood unearthed during excavation were used to armor and roughen the stream banks, and excavated fill material was placed in a stable location near-by. Prior to removal 3,800 ft (1,160 m) of unpaved road and inboard ditch discharged fine sediment directly into the stream at the crossing. WebAs the RNP program progressed, Park geologists began to use more intensive treatment methods, which included partially recontouring the road surface by excavating fill from the outboard edge of ...

North Coast Regional Water Quality Control Board - California

http://5counties.org/docs/lith_standards.pdf WebAug 28, 2003 · At an average width of 5 m, the compacted road surface and ditch of the WS3 road network occupies approximately 1.3% of the catchment area. The roads are of cut-and-fill design, consisting of a cutbank, an inboard ditch, a crowned road surface, and a fill slope . Each ditch collects runoff from a road segment of 5 to 100 m in length and routes ... norse goddess of crafts

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WebImproving Road Surface Drainage with Rolling Dips Before: A long reach of insloped, bermed road discahrges runoff & fine sediment to the inboard ditch & to nearby watercourses … Websimilar features, when it is neither practical nor environmentally sound to disperse ditch water immediately before the ditch reaches a stream. d) Disconnect road drainage from watercourses (drain to hill slopes), install drainage structures at intervals to prevent erosion of the inboard ditch or gully formation at the Webthe inboard ditch, and mulching and replanting the sites. An evolution of road rehabilitation techniques, beginning in 1978, will be discussed in more detail below. About 300 km of abandoned logging roads were treated between 1978 and 1996 (Figure 1). The restoration program at Redwood National Park operated for many years under benign how to rename issues in jira