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<br /> Mr. Brian Genovese, P.fi. AGI <br /> City of Eugene Public Works Engineering A CCDM COOMP <br /> TINY <br /> May 17, 2000 <br /> Page 3 <br /> critical point at which a particle (sand, gravel, cobble, boulder) is balanced between rest and <br /> motion. Perform incipient motion calculations to provide an anticipated immobile particle <br /> (stone) size during the design discharge for design of streambed and banks. <br /> E. Develop Design Concepts and Renderings. For areas where the channel, or sections of the <br /> channel, may be subject to high shear resulting in erosion, or varying land use areas, <br /> recommend alternative approaches to control erosion and propose no more than two <br /> alternative concepts for final design. Develop renderings for each alternative concept. For <br /> each alternative, IF will develop renderings that show a plan view and a typical section. <br /> The design concepts will incorporate features of natural channels including: channel <br /> planform, channel cross-section geometry, hydraulic variability, in~stream habitat, and <br /> riparian habitat. The design concepts will emphasize the use of natural materials including <br /> riparian vegetation, rounded river rock, and large wood. The goal of the design concepts will <br /> be to meet City objectives for stabilizing banks, preventing erosion, providing shade to reduce <br /> water temperature, and improving riparian habitat. <br /> F. Meet urith City to Discuss Alternatives. Prepare and meet with City staff to discuss the <br /> alternatives. <br /> G. Prepare Preliminary Design Memorandum. Prepare a design memorandum presenting <br /> alternative enhancement options and recommendations. <br /> H. Attend Initial Stakeholder Meeting. Prepare and meet with City staff, neighborhood residents, <br /> and other Stakeholders to discuss recommendations. IF assumes City staff will coordinate <br /> and facilitate this meeting. During the meeting, IF will assist City staff, as needed, to explain <br /> the alternative enhancement options and to respond to questions. <br /> I. Prepare Monthly Invoices. Prepare and submit monthly invoices and progress reports. Prepare <br /> and maintain project file. <br /> PROPOSED SCOPE OF WORK <br /> phase 2 DesiQrt <br /> Phase 2 work will not commence until authorized by the City of Eugene. <br /> Task 4 -Erosion Protection and Waterway Enhancement Design -Inter-F1uve, Inc. will work directly <br /> with the City to develop plans and special specifications for the stream enhancement design selected <br /> during Phase 1. <br /> J. Develop 50% Design Plans. IF will prepare 50% design plans and a preliminary engineer's cost <br /> estimate for the recommended design concept. The 50°k design plans will provide plan, <br /> profile, and cross-section views for stations 0+00 to 1+15 and 3+50 to 4+80. The plan set will <br /> Bgen. ~ V~IakrMNt con IYwn. m Freoridi Coin Eal Eooiondoe <br /> <br />