2005 Central Coast Field School
Salmonid Restoration Federation produced Central Coast Field School from October 25-27, 2005 in Arroyo Grande, CA.
The course included several sessions in the field. Topics and examples covered during the course included:
- Proper ditch relief and stream crossing culvert installation, with and without downspouts, flared inlets, trash racks, etc.
- Proper installation of critical rolling dips or measures to eliminate stream diversions
- Classroom and field methods to determine appropriate culvert sizing for peak stream flows, sediment and woody debris in transport
- Proper approaches for addressing potential road fill and landing failures, as well as spoil disposal techniques
- Illustrate a variety of road bed and ditch drainage approaches. These include when, where and how to convert insloped and ditched roads to outsloped roads with or without a ditch, when, where and how to construct rolling dips with and without rock, and when, where and how to dispose of berms along roads
- How to properly excavate a stream crossing fill to minimize post excavation erosion and sediment delivery to streams
- How to reduce roadbed width on excessively wide segments of road.
Bill Weaver and Danny Hagans of Pacific Watershed Associates