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DAM FAILURE DISCHARGE, <br /> DAM: e- (Y"&Z A.KS, CO- BY: <br /> W. Div. S W. Di:-t. 7Z- DATE:-- S_�/S/ 46Z1 <br /> 1 <br /> PHYSICAL DATA: <br /> Height, H =_,�3_Ft. Freeboard, FB= f_ Ft. H-FB=Yo = // Ft. <br /> Crest Width, WC = to 'el Capacity, V = /?' Ac.Ft. <br /> Embankment Slopes, Z:1 : Upstream = // :1 Downstream <br /> Crest Length, LC = .3SD Ft . Surf ace Area,A = — 19/ Ac. <br /> H (H6. 01 ) (LC. 543 ) (A4. 45 )(V-5.3�9)_ �3 <br /> (5 + 10) WC = D. ?its <br /> For V/H<200 min. 0. 5`-K2::�1. 5 max. <br /> min. 0.5 = K1 1 .5 max. For 200=V/H`- 1000, min. 0.05`-K2�s 1.5 max. <br /> For V/H>1000 min. 0.005�K2�1.5 max. f <br /> use Kl = ,�? .S ,_..__—_ __---- - _ <br /> use K2 = l•,� <br /> 1/2 _ <br /> (Z + Z K4 = erosiveness of embk't. mat'l. <br /> 1 2 <br /> min. 0.5 = K3 = 1 .5 max. 0.5 K4 1 . 0 = K4 1 . 5 <br /> tight stable erosive <br /> use K3 = X 2-P use K4 = /.D <br /> Est'd. peak 'dry failure' flood discharge, Q cfs <br /> K =YH x Kl x. K2 x K3 x K4 <br /> -0.10 <br /> T = (3.37)(V. 093)(e-1. 7KV . ) = 1,&6 Hrs. <br /> Q = 2V x 43560 = ( x 24. 2 = Z s-y cfs <br /> p T x 3 600 ( ) <br />