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Mr. Jason Durr, PE <br />February 13, 2020 <br />Page 2 <br />LFA will collect topographic survey data below the water surface in support of the <br />monitoring of the river bottom conditions, just below the South Bend Dam. The <br />bathymetric data shall include: <br />• Mass collection of river bottom grading features typical for creation of a surface <br />model. <br />• Analysis of latest surface model in comparison to the surface models of the same <br />area created in 2002 and 2017. <br />• A letter of findings based on the surface model comparison. <br />• A plan drawing of the surface models for inclusion in CBBEL's Report. <br />• The underwater dive inspection and report is excluded from this scope of <br />services and will be coordinated and performed by others. <br />Schedule: <br />LFA proposes to complete the above scope of services by September 30, 2020. This <br />schedule is dependent on flows in the St. Joseph River being low enough to safely perform the <br />field survey work. <br />Fee: <br />LFA proposes to perform the above Scope of Work on an hourly basis in accordance <br />with Attachment "A". We propose a not -to -exceed fee of $15,200. <br />If this proposal is acceptable to CBBEL, please indicate your acceptance by signing in <br />the space provided below and return one copy to our office. <br />Thank you again for the opportunity to work with CBBEL and the City of South Bend on <br />this project. Please contact us if you have any questions or need any further information. <br />Very truly yours, <br />LAWSON-FISHER ASSOCIATES P.C. <br />ip r C. Tittle, PE <br />Vice President / Water Resources Director <br />Levin J. Siedlecki, PE. <br />Project Manager <br />KJS:PCT/kcb <br />Encls. <br />