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FROM : COFFIN t. CRCHBERC FRX NC. : 952 473 4435 Sep. 26 2001 10:i0Pn P2 <br />CRONBERC 4s ASSOCIATES, INC <br />8UI«V1V*«. ENOWOPm V® PVAfWWO <br />4uaH.mjjomow€ <br />LONO UUC. MNNUOTA Wtt <br />4141 <br />Ml^7»^4«aB <br />BRENSHELL HOMES <br />DRAINAGE CALCULATIONS <br />LOT 6. BLOCK 1. NAVARRE HEIGIfrS <br />September 27,2001 <br />Tte peek diediMientae from lUt lot ere waneDdiey ere ell IcnlhealCFSforibel, 10 end <br />lOOyewatonwinbotlithebeibreeadefteroomStioitt. This, we ere ihowing the totel runoff <br />vohiBe fion the 0.1S4 ecfc site fiir e 24 hour storm period <br />STORM <br />I YEAR <br />10 YEAR <br />too YEAR <br />RAINFALL RUNOFF BEFORE <br />2.35 IN. 0.24 IN. - 134 CU. FT. <br />4.15 IN. 1.12 IN =626 CU. FT. <br />5 95 IN. 2.32 IN. - 1297 CU. FT. <br />RUNOFF AFTER <br />0.39 IN. = 218 CU. FT. <br />1.43 IN.-799 CU. FT. <br />2.77 IN.-1548 CU. FT. <br />K <br />^ -