Transcription of CHAPTER 4 - culverts 8-02
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CHAPTER 4 - culverts 8-02
CHAPTER 4 MAINTAINING THE culverts Water Quality & Habitat Protection Manual 4 - Maintaining the culverts for County Road Maintenance Administrative Draft 9/02 1 Existing culverts need to be well maintained or they will be subject to eventual failure. It is important to distinguish between stream culverts and ditch relief culverts . In the case of all stream culverts , disturbance to the stream banks and streambed should be minimized during stream crossing construction and maintenance. culverts within anadromous fish-bearing streams now have special fish passage requirements for both adult and juvenile fish based on guidelines by NMFS and DFG.
4-C CULVERT SIZING Water Quality & Habitat Protection Manual 4 - Maintaining the Culverts for County Road Maintenance Administrative Draft 9/02
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