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HomeMy WebLinkAboutS-0699-A Map 7i PHASE ,gym" - - UmNm\N,mN11f1Ux\Nt\N\N\m1NUm DETENTION FACILITY '9' DRAINAGE -22-0 3 A\mNaxNNNxNNNNm - r �. r:xir.--vv�vrrc �86�r- 69:-3-12- 3 \\ ✓_ \. M H 16 86.5IT o q 7, Gj� N P HAM I t 'S �P BEC 2 O � - DETENTION FACILITY 'C' DRAINAGE AREA 11 47+4 4 IS 8 ACRES SI - Q(25, EXISTING)=(0.55)(6.2)(15.8) = 53.9 CFS Q(25,DEVELOPED)= (0,6)(7.1)(15.8)= 67.3 CFS MIN. VOLUME=(67.367.33.9)2 (§)(10)(60)(2)= 1600 FT .3 5 NS4 a tiSlb �iys p 617'c I � y 7% ` EXIST. ti l ip C/ F tit H 3�Y- 5 G CMG 2e Cp� 7? O2q„ )a M2 \ / DETENTION FACILITY 'A' G �\ DRAINAGE AREA = 6.8 ACRES �p 4sA�,;.,��� 1 Q(25,DEVELOPED)= (0.6) (7.1) (6.8)= 29.0 CFS I i2 �( �� I PROVIDE DETENTION FOR 9.0 ACRES C=(0.6-0.55)= 0.05 i o r MN I t ¢' VOLUME REQD=,(7.1)(9.0)(10)(60)(0.05)= 1917 FT .3 r 21 m pC M 3 % gFtiro Q WITH AVERAGE DEPTH = 1.0 FT. PROVIDE 1920 FT. OF AREA CFSS / !rY 2 1 24 My B - My MH DETENTION FACILITY ' B' �\ ti E /9 5 DRAINAGE AREA = 3.9 ACRES N _ LIN o O p Q(25,DEVELOPED)= (0.6)(7.1)(3.9)= 16.6 CPS \Iao DETENTION VOLUME REQD.=(0.6-0.55) (7.1) (3.9.) (10) (60)= 830 FT.3 WITH AVERAGE DEPTH = 1.0 FT. PROVIDE MINIMUM OF 830 FT.Z OF AREA N -717 \ GSL Y 06 -coURT / - - K/Nm R b 4IlVe A MH 2O r .-. .:'. � � pZA \ . g \� \ I} �� V DITCH 3 � �„ \\\ mfmNm Nlxxxmx m mill {! I!!!I{jplrl/I1IfNillllllllllllllllllllnllp{~ urnlnununninnrri'DIT`� ¢ C/N� � N35 MN �L `_ umunu tia F G lur h 41 C51 AS' `- / uuniilrnugr{rynutryr pnn `>� l / / MN C M H 29 • \ \III ry �- \ / / �, ,' _ c DRAINAGE TABLE T PT. DRAINAGE NO. AREA (AC) FLOW (CFS) _ 49 4.20.4 1 ' i} - 4t or 9 e 3 2.9 15.0 -'' s s J t \\am\NnmmnxnmfmN\mxmxxxNN\m� 5 2 4A 3 13. 5 9.4 41.4 ` \ o = 6 5 9.4 41.3 _ \fxi\NUUITm1 � y ' �A 7 4.63 20.4 _... .. - � �\xUUlllmxxxxxlSl`tN / y \�1 f 0 f_ 7A 1.7 7.5 =' i� ��d O a 8 11.45 Detention '� A� m� �► / tiJ 9 11.45 50.4 - i �� ( AR.,►NbAS '. 10 11.45 50.4 �I RF.G`STERF,D 11 11.45 50.4 d PIt0F SSIONAL 12 11.35 50.0 m.� ENGINEER 13 9.35 41.2 15 0.25 1.4 E. No.5033 16 2.31 12.1 ��"'��� 11 1.76 9.2 1 ° 1. 1-�- 20 11. 7 51. 6 PL AN OF IMPROVEMENT -PHASE 21 11.0 48.5 22 3.5.© WHITE-DATERS & ASSOCIATES', rNC. CARRIAGE CREEK PROPERTY OWNERS : 23 .4 15.0 IMPROVEMENT DISTRICT OF 24 3.8 6�- CIVIL ENGINEERING, LAND PLANNING &DEVELOPMENT, SURVEYING 25 /3.�i .59,/ c Date: �ept.28,1987 1rI 2,7 149 Q 401 Victory Street Little Rock, Arkansas 72201 LITTLE ROCK, ARKANSAS N 639 Hor. Vert. 07 /6-7 73-6 Scale Survey R Drawn B Checked B Approved B Y Y� Y Y� PP E l. Sheet of