Planning and Design of Stream Crossings
Webinar Details
When:
Nov 6, 2014 1:00 pm US/Eastern
Length: 01:14 (hh:mm)
Advance Registration NOT required.
View now on-demand.
Reviewed for Continued Content Relevance: 04/2017
Presenter(s):
- Sally Bredeweg, P.E., Environmental Engineer, USDA NRCS West National Technology Support Center, Portland, OR
- Dean Renner, P.E., Stream Mechanics Engineer (Retired), USDA NRCS Washington, Olympia, WA
CEU Credits/Certificate Offered:
- Conservation Planner (CP) - 1 hour Conservation Planning Credit
- Society for Range Management (SRM) - 1 hour SRM Credit
- The Wildlife Society - Certified Wildlife Biologist®/Professional Development Certificate Program - 1 hour TWS Category 1 Credit
Virtual Event Format:
Group Viewing Available:
Participation in the webinar will build an understanding of the process and procedures required to successfully plan and design a stream crossing structure to meet the USDA NRCS Practice Standard, Code No. 578 - Stream Crossing.
The USDA NRCS Stream Crossing practice standard (Code 578) is an engineering practice that first, provides sediment continuity and channel stability for the stream and secondly, a structure that enables crossing of the stream. To properly plan and design a stream crossing, consult with your NRCS technical specialists to determine all the environmental and resource concerns of the site. The design alternatives can then be selected and any required associated practices identified. Inventory data collected in the office and from the site field survey will be required for the hydrologic analysis, necessary for the design. Field survey data will extend 20 bankfull widths or a minimum of 200 feet both upstream and downstream of the stream crossing to define the channel profile, channel cross-sections, pools, riffles, bankfull indicators and flood plain terraces. A foundation investigation may be required to determine the soil support capacity for a crossing structure. As with all NRCS engineering, the design must be reviewed and approved by staff with appropriate job approval authority. Preparing the final plans and specifications package for a stream crossing will need to address requirements for permitting agency review as well as installation and construction instructions. Join this webinar for more information.
This webinar is presented by the USDA NRCS East National Technology Support Center.
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