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� <br />� <br />protection of inlet and outlet areas, and any other items requinng <br />consideration. <br />m. Typical samples from the hydrologic and hydraulic study, including <br />typical hydrographs and hydraulic calculations assembled in an orderly <br />fashion, relating to specific reaches of the stream (or other satisfactory <br />relationship), which will enable LOCAL SPONSORS to interpret them <br />effectively. Summarize in the report the hydrologic study findings <br />including land uses expressed as areas of imperviousness and other <br />parameters for each sub-watershed, flow routing characteristics of each <br />routing element and the peak flow vs. location charts for the watershed. <br />n. Discuss operation and maintenance aspects of best alternate plans, as per <br />Item 2.A.9. above. <br />o. Show the relationship of the cost of ea.ch of the best alternate plans to the <br />benefits derived for each rea.ch and for the total watershed. <br />p. Description and discussion of each of the best alternate plans studied and <br />ENGINEER's recommendation as to the altemates to be adopted, <br />rationale for arriving at recommendations, statements to the effect that <br />each reach can or cannot be considered independently from the overall <br />plar� with up��am develcpment. <br />q. Reference to all calculations and materials used by ENGINEER. The <br />information will be sequential, orderly, and presented to COITNTY and <br />LOCAL SPONSORS following an oral briefing by ENGINEER. <br />r. The written drainage report is to be verified and signed by a registered <br />professional engineer. <br />s. A number of draft copies of the drainage report specified under Section 3 <br />will be submitted to COUNTY for review and comment prior to final <br />printing of the drainage report. � <br />t. The number of copies specified in Section 3 of the final drainage report <br />shall be provided after approval of the draft report. <br />2.B. Preliminan� Desi�n. When a decision is reached regarding the selection of a specific <br />plan, COtJNTY shall furnish ENGINEER with written authorization to proceed with <br />that plan. ENGINEER shall undertake the work necessary to prepare a preliminary <br />design of the selected plan for the reaches studied under drainage of the subject <br />DRAINAGEWAYS. If ENGINEER deternunes after further examination that the plan <br />