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Ty7rr '. �U Ji1G-;--•� ='� �.., \`�`� o � L� R .�f�. J ���"'�'i �~ �0 `rll�\ � \����a/� ` _°.� 0 - ,� _ 5S �' ������ � ��' �: o"�r�• _ ��-:_ `N=i '� 1 _ 4 �) izo1F ! � - - .1, �9 -ol�`� 1 � �, ', 'xr '� Oo ..�11� ':` /- r ,(� _ O ,er(/`' _ , ..'- ' 1j(• a0 JLJ: FoItF S} � BOG (( \ \ � � lLls' n , p 1 1 f •F'�'}y 1 RAP..alCAL-DISCHARGE-METHQD.— ERSION :.l--1-1 -7.'. ] . ; »»> Identify cation Data C<«< Date 08 Q?-88 Project BRUIN HILL FARM County ESSEX Mate MA uhtyi 1 e�`I11-ANDOVER >;»> 'Ba 'i Procedure Data. <<<<< 'I Drainage Area 768- Acres or zzzz Sq. Mi . `fime, of Concentration .5 . 75. Hours Adjustment Parameter Data ««< 3 'j Pond and Swami Area ,17 5 Acres :, .- 273 Sq.Hi . , 22 7 % Q drainage area i _ TR-5 GRAL'FILCAL_-D.ISCIIARGE-ME.THQD_-_�,�_ _V-ERSTDN_-l.-li,—_. BRUIN HILL FARM ESSEX, MA J . L. 03-07-88 '_ NORTH AN VER >»» Rainfall-Frequency Data ««< of a17 -TYPE r r ---. . . S'xe-quency ' i (I IA 'TI , III (yrs) . (in) E (ens) ( in) : '' fi�rirm�.�j. 1_...0-0 __ .__. _--_-2-•-5.0---------' -6 -----0-.-1�--�__ Storm it 2 2 . 00 3 . 10 14 0 . 2 i 3€ storm # 3 5 . 00 3 . 90 35 0 . 5 I 6! I storm 9 5 25 . 0 5 . 40 92 1 . 3 ES I 9� storm it 6 50 . 0 5 . 90 ; 115 1 . 5 i I J�,v Cori Cd�JsT Culvert outflow Data C�1r.rrc �1z.e �B�RCPGU/�/LG '�� Length - �2� Slope -o.LX�.� Irty /31J -/ . o n {Snl�.t) C.,--L4 f � Q HE A D N A T E R C 0 H P U -T_ A T L Can[ . KW � o N on �FT) Elmer. - Iu.1,st Cont. Ociti�tt Control Hu - H + ho LSO lW/D HW K.E H dC (dc+D)/2 'lam ho LSo Hu �o167a z xfo /- - 40 4. 0 /40 �a • ,Ivt� GHQ c' v�i��'T/�� , Culvert Outflow Data Calvert Site /� J �-G�'@ �.� /IIF�.�� �� Length - 105 SlOPe Inv 130.57 -�,�,D� n (inl,•t) �6�fJ ��al✓��E� c�iRi4DE = /��r Q H E A D u A T E A C 0 X P U T A T I 0 H Cont. Hu kHW HW (FT) Elaw. Islet Cont. outlet Control, RW - H + ho - LSo N W/D HiW KE H do (dc+D)/2 TN ho LSo Au tlw �d ,8d 3.� � ..�� ;2 3 3./� � ,z 3 , Ir 23� �. U 1. 7 7/6 Z �. Q /•30 57 k 171 Epp .2• G /O.-� G„5 �,a 4, c� - !-�,a ��'G �" /a.� V C' ,�fQ 44 0.�4 1 � -�17 5,7,-,� ydP-f; - - -- I I ; I I ; I; I, i4