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s <br />SEA1iAY CENTER BUSINESS PARK <br />MERRILL 8 RING CREEK <br />MANNINGS FLOW CALCULATION <br />FOR A TRAPEZOIDAL OPiN CHANtiEL <br />**,t******** <br />SECTION 5-5 <br />*********** <br />a:�flow5.wk1 <br />PRIMARY CE�1EL OVERFLOW CHANNEL <br />slope= 0.90$ slope= <br />0.030 °' <br />n= 2 ft, bottom width= <br />bottom width= Z:� side slope= <br />side slope� Z ft. depth� <br />depth= �p ft. top width= <br />top Width� <br />A� 12.00 eQ. ft. WPs <br />Wpa 10.94 ft. <br />R_ 1.10 R= <br />Q� 60.1 cfa 4= <br />�� 5.0 ft./sec. �_ <br />TOTAL FLOW PRIMARY AND OVERFLOW = <br />0.908 <br />0.030 <br />55 ft. <br />2 :1 <br />0.7 ft. <br />57.8 ft. <br />39.48 aq. ft. <br />58.13 ft. <br />0.68 <br />143.7 cfs <br />3.6 ft./sec. <br />203.9 <br />0 <br />� <br />,. .-;,�� <br />