Download or read book Little River Navigation Project, Horry County, South Carolina and Brunswick County, North Carolina. Revision of Weir System and Jetty Sections. Supplement 1 written by CORPS OF ENGINEERS CHARLESTON SC CHARLESTON DISTRICT. and published by . This book was released on 1978 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: This supplement presents detailed descriptions, a revised cost estimate and updated benefits reflecting modifications to the channels, jetties, and weir system that had previously been approved in the General Design Memorandum. The proposed plan in this supplement provides for the construction of an upcoast and downcoast jetty, an upcoast and downcoast 650' weir section, two sand dikes, two deposition basins, an inner channel, and a 45 deg flared entrance channel. The proposed plan has the same general alignment as the GDM Plan, but incorporates some significant design improvements.