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Mr. Steve Ach <br /> • November 20, 1996 <br /> Page Three <br /> • The drainage calculations for the plat should consider the runoff at the north <br /> part of the plat which appears to be held in a depression. This area needs to <br /> be checked to ensure that there is adequate capacity, such that none of the <br /> homes will be threatened in the case of a severe runoff event. <br /> • The rear yard storm sewer shown in Block 3 appears not to be necessary. <br /> We would prefer that catch basins not be provided in the rear yard because <br /> they are hard to maintain. If necessary, a stub to the north could be provided <br /> from the catch basin in the street and a flared end provided to pick up the <br /> rear yard drainage. <br /> • Somewhere between 193rd Avenue and Quinn Court along Highland Street, <br /> it appears that the 942 contour is missing. <br /> • The rear yard drainage along Lots 5-9, Block 4, needs to be provided with <br /> side yard swales. As is now drawn, the drainage would shoot through these <br /> lots. <br /> • The Developer of this plat will need to coordinate with the Developer of <br /> Lafayette Woods along the west and north boundary to ensure that the <br /> grading of the two plats is consistent. <br /> If you have any questions regarding any of these comments, please call. <br /> Sincerely, <br /> MSA, CONSULTING ENGINEERS <br /> Terry J aurer, P.E. <br /> TJM:pd <br /> 1111 <br /> 230/348-1907.nov <br />