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HomeMy WebLinkAboutDrainage Report & Revised Draiange ReportI I I I I I . : I I I ! I 'I I I I I I ! I, ! !J I I I ! I i I I l I I .. I I Drainage Report FOR LOTS 18-R & 19--R, BLOCK 18 of SOUTHWOOD VALLEY SECTION 4-B 1'"\" i -r l.{J' l""t"}~ i~1 ,~ 'l . IJ.f l I: ~ : I Ii / o.I~ ~11:l~fflt~lif // ~~ ---~~,,,. J\ f (\ ,_J ~--<11f=!if/ ·~1CINITY 1WAP NTS NOVEMBER. 2002 Prepared By: I I . I I I I I I ! .1 ! I i . i I I I I . I I McQure Engineering, Inc. 1008 WOODCREEK DRIVE SUITE 103 I ' COLLEGE STATION , TEX .AS 77845 ! j L--~~~~~~~(-91_9)_6_9_3-_3_83_8~~~~~~~J~ Dra1nage Report FOR LOTS 18-R & 19-R, BLOCK 18 of SOUTHWOOD VALLEY SECTION 4-B VICINITY MAP NTS NOVEMBER, 2002 Prepared By: McClure Engineering, Inc. 1008 WOODCREEK DRIVE SUITE 103 COLLEGE STATION, TEXAS 77845 (979) 693-3838 CERTIFICATION I, Michael R. McClure, Registered Professional Engineer No. 32740, State of Texas, certify that the revisions contained in this report to the drainage design for the LOTS 18-R & 19-R, BLOCK 18 of SOUTHWOOD VALLEY SECTION, SECTION 4-B, were prepared by me in accordance with the provisions of the City of College Station Drainage Policy and Design Standards for the owners thereof. DRAINAGE REPORT Michael R. McClure, P.E. No. 32740 __ ,,,,,, --~~ OF lf2. \\ -~ \>-•••••••••• -1'.ct '• $0' .. ·• * ·· .. 'iS' t '* ... ... *'" ~ . • * ~ ~.'!'..: ...............•.••••••••.•••• I ~ .. M19tlA.Eh.B.JA~2h~~~·I ~-.. L°) 327 40 r.. ll!! I O'·rt:-;.v•.§4 :.<' ···~:Gisri:.'0.~··· ~., ,~ss ......... ~0.,, \ 10NAL ~ -"'""-"'"~;<- INTRODUCTION LOCATION DESCRIPTION DRAINAGE BASIN TABLE OF CONTENTS STORM DRAIN DESIGN CRITERIA STORM DRAIN SYSTEM DESIGN DETENTION POND DESIGN CONCLUSION TABLE OF EXHIBITS EXCERPT FROM FLOOD INSURANCE RATE MAP EXISTING CONDITION DRAINAGE AREA MAP PROPOSED CONDITION DRAINAGE AREA MAP RATIONAL METHOD CALCULATIONS DETENTION POND #1 ROUTING DETENTION POND #2 ROUTING COMBINED DRAINAGE CALCULATIONS COMBINED DRAINAGE HYDROGRAPHS STAGE/STORAGE AND STAGE/DISCHARGE CURVES FOR DETENTION POND #1 STAGE/STORAGE AND STAGE/DISCHARGE CURVES FOR DETENTION POND #2 DRAINAGE REPORT Lot l 8R & l 9R, Block 18, Southwood Valley Section 4-B College Station, Texas 1 2 2 3 3 5 A B-1 B-2 C-1 D-1 D-2 D-3 E-1 F-1 F-2 PAGE I INTRODUCTION: STORM DRAINAGE REPORT Lot 18R & 19R, Block 18 Southwood Valley Section 4-B College Station, Texas This study is intended to describe the effects upon the drainage system that result from the development of Lots 18R and 19R, Block 18, Southwood Valley Section 4-B. It compares the existing and proposed conditions to show that improvements associated with the development do not cause adverse impacts on downstream properties. LOCATION: The site is located in southern College Station, near the intersection of Ponderosa Drive and Longmire Drive. The site is bounded by Ponderosa Drive to the south, Longmire Drive to the west, property owned by Securcare Properties X Ltd. to the north, and property owned by Davis and Thelma McGill to the east. DESCRIPTION: The proposed site for the development covers 2. 734 acres. It is currently pastureland that is covered with brush and native grass. The land slopes generally northward and is drained by a tributary of Foxfire Creek. DRAINAGE REPORT Lot I 8R & I 9R, Block 18, Southwood Valley Section 4-B College Station, Texas PAGE 2 DRAINAGE BASIN: The site lies in the drainage basin of Foxfire Creek, which is a tributary of Carters Creek. No part of the site is located in a 100-Year Flood Hazard Area according to the Flood Insurance Rate Maps for Brazos County, Texas and Incorporated Areas, Map No. 48041C205 C effective July 2, 1992 as prepared by the Federal Emergency Management Agency (See Exhibit A). STORM DRAIN DESIGN CRITERIA: The proposed drainage system is designed in accordance with the City of College Station Drainage Policy and Design Standards (DPDS). The design storm for the underground system is a 10-year event, and flow calculations are based on the Rational Method. Pipe sizes were determined from Manning's Equation using an "n" of 0.014. STORM DRAIN SYSTEM DESIGN: Storm water from the proposed development will be captured in the parking lot curbs and conveyed to curb openings that drain into the detention areas. Storm water from Lot 18R and a portion of Lot 19R is conveyed to detention pond #1 . Detention pond #2 is used to meter a portion of the storm water falling on Lot 19R. Exhibit C-1 gives the runoff calculations for the drainage areas in Exhibits B-1 and B-2. All computations use the parameters provided in the DPDS. DETENTION POND DESIGN: Proposed detention pond #1 is located in the northern corner of the property. It consists of an earthen berm and a concrete flume along the northwestern property boundary. The outlet for this DRAINAGE REPORT Lot I 8R & I 9R, Block 18, Southwood Valley Section 4-B College Station, Texas PAGE3 pond is a 15" RCP pipe. The pond discharges into an existing creek along the northeastern property boundary of the site. Proposed detention pond #2 is located at the eastern corner of the property. It consists of a block retaining wall pond inside of a parking lot island. The average height of the wall is 2.5 '. The outlet for this pond is a 12" RCP pipe that discharges into the same creek upstream of detention pond #1. Each pond was modeled for the 5, 10, 25, 50, and 100 year storm events. The hydrologic analysis of the drainage system is shown in Exhibits D-1 through D-3. Exhibit D-1 shows the hydraulic routing for detention pond #1 . Exhibit D-2 shows hydraulic routing for detention pond #2, and Exhibit D-3 shows the combination of all proposed drainage areas at point "A", shown on Exhibit B-2. A summary of the combined drainage effects is shown below: Detention Detention Event Pond #1 Pond #1 Flowrate Elevation 5 year 4.38 cfs 285.73' 10 year 4.56 cfs 285 .83' 25 year 4.81 cfs 285 .97' 50 year 4.96 cfs 286.06' 100 year 5.10 cfs 286.15 ' DRAINAGE REPORT Lot I 8R & I 9R, Block 18, Southwood Valley Section 4-B College Station, Texas Detention Detention Pond #2 Pond #2 Flowrate Elevation 3.00 cfs 289.01 ' 3.30 cfs 289.11 ' 3.60 cfs 289.25 ' 3.90 cfs 289.41 ' 4.30 cfs 289.58 ' Combined Existing Post Development Condition Flowrate Flowrate 7.72 cfs 8.27 cfs 8.13 cfs 9.29 cfs 8.72 cfs 10.61 cfs 9.29 cfs 11.99 cfs 9.80 cfs 13.47 cfs Table I PAGE 4 CONCLUSION: The post-development flowrate is reduced to a level slightly less than the pre-development flowrate for the 5, 10, 25, 50, and 100-year events. The 100-year event is contained in the ponds and released through the pond outlet devices. The drainage design for this site meets the requirements as stated in the City of College Station Drainage Policy and Design Standards. DRAINAGE REPO RT Lot I 8R & I 9R, Block 18, Southwood Valley Section 4-B College Station, Texas PAGES A ZONE X • I B \'city of College Station) 480083 ~ City of College Station 480083 \ 0 ' EXHIBIT A Flood lnsuronce Rote Mop Excerpt Brazos County. Texas and Incorporated Areas Mop Numbers: 48041C0205C Effective Dote: July 2, 1992 0 <( :!: w c 0 0::: w _. _. <( <( c.. <( LL. w w 0 j:: ..... c (.!) 0::: _. z <( z <( w z w () :5 ~ <( _. > w :::i!l _. z I c ~ <( UJ <( Ci5 UJ <( 0::: (.!) ..... c UJ > ..... UJ z 0 z 0::: UJ <( 0 > UJ c ..... ::> <( 0::: c.. ..... 0 _. NO. AC. 0.4 0.55 0.9 ft. Ex-1 0.04 0.04 0.00 0.00 0.02 82.0 Ex-2 2.69 2.69 0.00 0.00 1.08 380.0 1 0.75 0.05 0.00 0.70 0.65 1.0 2 0.51 0.51 0.00 0.00 0.20 160.0 3 0.47 0.12 0.00 0.35 0.36 50.0 4 0.83 0.00 0.00 0.83 0.75 50.0 5 I 0.17 0.17 0.00 0.00 0.07 120.0 I I EXHIBIT C-1 Rational Formula Drainage Area Calculations SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 :!: 0 :!: :!: _. LL. 0 0 c _. _. z LL. LL. ~ :5 0::: ::c 0::: u UJ ..... UJ u ..... u ..... 0::: _. ..... (.!) ..... _. 0 UJ _. ..... z ..... _. _. ~ UJ > <( ::> UJ ::> <( UJ "' CJ) N II) 0 LL. (.!) _. (.!) LL. > () ::> !::! CJ !!? CJ ft. ft. ft. ft/s min min In/Hr cfs In/Hr lets 1.5 1.0 1.0 1.0 1.4 5.0 8.22 0.1 9.9 0.2 4.0 156.0 2.0 0.9 9.9 9.9 6.36 6.8 7.7 8.3 1.0 315.0 2.5 1.8 3.0 5.0 8.22 5.4 9.9 6.4 2.5 60.0 1.0 1.1 3.4 5.0 8.22 1.7 9.9 2.0 0.5 400.0 6.0 1.9 3.9 5.0 8.22 3.0 9.9 3.6 0.5 320.0 4.0 1.7 3.6 5.0 8.22 6.1 9.9 7.4 2.0 1.0 1.0 0.9 2.2 5.0 8.22 0.6 9.9 0.7 0 II) 0 .... II) N .... CJ !::! CJ -In/Hr cfs In/Hr cfs 11 .0 0.2 12.5 0.2 8.7 9.3 9.9 10.7 11 .0 7.1 12.5 8.1 11.0 2.2 12.5 2.6 11 .0 4.0 12.5 4.5 11 .0 8.2 12.5 9.3 11 .0 0.7 12.5 0.9 0 !!? In/Hr 14.1 11 .2 14.1 14.1 14.1 14.1 14.1 0 0 0 0 II) 0 .... CJ ::!::: CJ cfs In/Hr cfs 0.2 15.8 0.3 12.1 12.6 13.5 9.2 15.8 10.3 2.9 15.8 3.2 5.1 15.8 5.7 10.5 15.8 11 .8 1.0 15.8 1.1 11/21/02 0117-dra.xls Exhibit C-1 D.A. # D.A. # 'It .c c.. E "' e " ~ ~ N OD 6.4 2.0 Tc 5.0 5.0 inc 1.0 2.0 Time cfs 0.0 0.0 0.0 1.0 1.3 0.4 2.0 2.6 0.8 3.0 3.8 1.2 4.0 5.1 1.6 5.0 6.4 2.0 6.0 5.8 1.8 7.0 5.1 1.6 8.0 4.5 1.4 9.0 3.8 1.2 10.0 3.2 1.0 11.0 2.6 0.8 12.0 1.9 0.6 13.0 1.3 0.4 14.0 0.6 0.2 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 0.0 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS I 6.41 2.01 0.00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # D.A. # Pond Routing EVENT= 5 c 0 CJ w t. c c z l2 0 iii + CJ "~ ti + :E c + 0 + iil c c ~ .! II) .., () c N N CJ Q. w 3.6 5.0 1.0 cfs cfs cfs cfs cfs cfs ft 0.0 0.0 2.40 0.00 0.00 0.00 264.00 0.7 2.4 7.20 0.00 2.40 1.55 264.38 1.4 4.8 11.99 2.64 7.20 2.28 264.66 2.1 7.2 16.79 9.15 14.63 2.74 264.96 2.9 9.6 21.59 19.73 25.94 3.11 285.13 3.6 12.0 22.79 34.21 41.32 3.55 285.32 3.2 10.8 20.39 49.03 57.00 3.99 285.51 2.9 9.6 17.99 61.18 69.42 4.12 285.59 2.5 8.4 15.59 70.71 79.17 4.23 285.65 2.1 7.2 13.19 77.68 86.30 4.31 285.69 1.8 6.0 10.80 82.16 90.88 4.36 285.72 1.4 4.8 8.40 64.19 92.95 4.38 285.73 1.1 3.6 6.00 83.82 92.58 4.38 285.73 0.7 2.4 3.60 81.13 89.82 4.35 285.71 0.4 1.2 1.20 76.14 64.72 4.29 285.68 0.0 0.0 0.00 68.92 77.34 4.21 285.63 0.0 0.0 0.00 60.69 68.92 4.12 285.58 0.0 00 0.00 52.63 60.69 4.03 285.53 0.0 0.0 0.00 44.87 52.63 3.88 285.46 0.0 0.0 0.00 37.55 44.87 3.66 285.37 0.0 0.0 0.00 30.66 37.55 3.44 285.27 0.0 0.0 0.00 24.18 30.66 3.24 285.19 0.0 0.0 0.00 18.07 24.18 3.06 285.11 0.0 0.0 0.00 12.31 18.07 2.88 285.03 0.0 0.0 0.00 7.12 12.31 2.60 264.86 0.0 0.0 0.00 2.57 7.12 2.28 264.66 0.0 0.0 0.00 0.00 2.57 1.66 264.41 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 00 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 00 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 3.68 11.99 4.38 286.73 0 w II) _,o <( Q. ,_ 0 0 0:: ,_ Q. cfs 0.00 1.55 2.28 2.74 3.11 3.55 3.99 4.12 4.23 4.31 4.36 4.38 4.38 4.35 4.29 4.21 4.12 4.03 3.88 3.66 3.44 3.24 3.06 2.88 2.60 2.28 1.66 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.38 0117-<lra.xls Exliibit0-1 D.A. # D.A. # • .c a. 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J: -"' Qp 7.1 2.2 Tc 6.0 6.0 inc 1.0 2.0 Time cfs a.a a.a a.a 1.a 1.4 a.4 2.a 2.9 a.9 3.a 4.3 1.3 4.a 5.7 1.8 5.a 7.1 2.2 6.a 6.4 2.a 7.a 5.7 1.8 8.a 5.a 1.6 9.a 4.3 1.3 1a.a 3.6 1.1 11.a 2.9 a.9 12.a 2.1 a.7 13.a 1.4 a.4 14.a a.7 a.2 15.a a.a a.a 16.a a.a a.a 17.a a.a a.a 18.a a.a a.a 19.a a.a a.a 2a.a a.a a.a 21.a a.a a.a 22.a a.a a.a 23.a a.a a.a 24.a a.a a.a 25.a a.a a.a 26.a a.a a.a 27.a a.a a.a 28.a a.a a.a 29.a a.a a.a 30.a a.a a.a 31.a a.a a.a 32.a a.a a.a 33.a a.a a.a 34.a a.a a.a 35.a a.a a.a 36.a a.a a.a 37.a a.a a.a 38.a a.a a.a 39.a a.a a.a 40.a a.a a.a 41.a a.a a.a 42.a a.a a.a 43.a a.a a.a 44.a a.a a.a 45.a a.a a.a 46.a a.a a.a 47.a a.a a.a 48.a a.a a.a 49.a a.a a.a so.a a.a a.a 51.a a.a a.a 52.a a.a a.a 53.a a.a a.a 54.a a.a a.a 55.a a.a a.a 56.a a.a a.a 57.a a.a a.a 58.a a.a a.a 59.a a.a a.a 60.a a.a a.a 61.a a.a a.a 62.a a.a a.a 63.a a.a a.a 64.a a.a a.a PEAK FLOWS I 7.14 2.24 0.00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # D.A. # Pond Routing EVENT= 10 c: 0 a w t. c: z c: :E 0 iii + a "O ~ ~ + :i: c: + + Ul c: g~ 8 VI c: "' c: "' "' a n. w 4.0 6.0 1.0 els cfs cfs cfs els cfs ft a.a a.a 2.67 0.00 0.00 0.00 284.00 a.8 2.7 8.02 a.oo 2.67 1.73 284.43 1.6 5.3 13.37 3.36 8.a2 2.33 284.69 2.4 8.a 18.72 11.a5 16.73 2.84 285.al 3.2 1a.1 24.a7 23.33 29.77 3.22 285.18 4.a 13.4 25.4a 39.94 47.4a 3.73 285.4a 3.6 12.a 22.73 57.19 65.34 4.08 285.56 3.2 1a.7 2a.06 71.44 79.92 4.24 285.65 2.8 9.4 17.38 82.76 91.49 4.37 285.72 2.4 8.a 14.71 91.22 100.14 4.46 285.77 2.a 6.7 12.a3 96.87 1a5.92 4.53 285.81 1.6 5.3 9.36 99.79 108.90 4.56 285.83 1.2 4.a 6.69 100.a2 109.14 4.56 285.83 a.8 2.7 4.a1 97.64 106.71 4.53 285.82 a.4 1.3 1.34 92.69 1a1.65 4.48 285.78 a.a a.a a.oo 85.24 94.a3 4.39 285.74 a.a a.a a.oo 76.64 85.24 4.3a 285.68 a.a a.a a.oo 68.24 76.64 4.2a 285.63 a.a a.a a.oo 60.a2 68.24 4.11 285.58 a.a a.a a.oo 51.98 6a.a2 4.a2 285.53 a.a a.a a.oo 44.25 51.98 3.86 285.45 a.a a.a a.oo 36.97 44.25 3.64 285.36 a.a a.a a.oo 30.12 36.97 3.43 285.27 a.a a.a a.oo 23.66 30.12 3.23 285.18 a.a a.a a.oo 17.58 23.66 3.04 285.1a a.a a.a a.oo 11.86 17.58 2.86 285.a2 a.a a.a a.oo 6.72 11.86 2.57 284.85 a.a a.a a.oo 2.22 6.72 2.25 284.64 a.a a.a a.oo a.oo 2.22 1.43 284.35 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 3.99 13.37 4.66 286.83 0 w VI _, 0 c( n. .... 0 0 0:: .... n. els a.oo 1.73 2.33 2.84 3.22 3.73 4.08 4.24 4.37 4.46 4.53 4.56 4.56 4.53 4.48 4.39 4.3a 4.2a 4.11 4.a2 3.86 3.64 3.43 3.23 3.04 2.86 2.57 2.25 1.43 aoo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo 4.66 0117-<Jra.xls Exhibit D-1 D.A. # D.A. I 'It .c 0.. f "' e " ,.. :I: ~ N Qo 8.1 2.6 Tc 6.0 6.0 inc 1.0 2.0 Time els 0.0 0.0 0.0 1.0 1.6 0.5 2.0 3.3 1.0 3.0 4.9 1.5 4.0 6.5 2.0 5.0 8.1 2.6 6.0 7.3 2.3 7.0 6.5 2.0 8.0 5.7 1.8 9.0 4.9 1.5 10.0 4.1 1.3 11.0 3.3 1.0 12.0 2.4 0.8 13.0 1.6 0.5 14.0 0.8 0.3 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 0.0 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS I 8.14 2.66 0.00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 O.A. # D.A. # Pond Routina EVENT= 26 c 0 0 w t. c z c :E E iii + 0 ... + + " .. ::E c iii c c > 0 + c o.!! fl) .., 0 c N N 0 Q. w 4.6 6.0 1.0 els els els els els els ft 0.0 0.0 3.05 0.00 0.00 0.00 264.DO 0.9 3.0 9.14 O.DO 3.05 1.97 264.48 1.8 6.1 15.23 4.33 9.14 2.40 264.74 2.7 9.1 21.32 13.72 19.56 2.92 285.05 3.6 12.2 27.41 28.29 35.04 3.37 285.24 4.5 15.2 28.93 47.76 55.70 3.97 285.50 4.1 13.7 25.89 68.29 76.69 4.20 285.63 3.6 12.2 22.64 85.38 94.17 4.40 285.74 3.2 10.7 19.79 99.12 108.22 4.55 285.82 2.7 9.1 16.75 109.57 118.91 4.67 285.89 2.3 7.6 13.70 116.82 126.32 4.75 285.94 1.8 6.1 10.66 120.92 130.52 4.80 285.96 1.4 4.6 7.61 121.96 131.58 4.81 285.97 0.9 3.0 4.57 120.DO 129.58 4.79 285.96 0.5 1.5 1.52 115.10 124.57 4.73 285.93 0.0 0.0 O.DO 107.34 116.63 4.64 285.88 0.0 0.0 O.DO 98.25 107.34 4.54 285.82 0.0 00 O.DO 89.37 98.25 4.44 285.76 0.0 0.0 O.DO 80.68 89.37 4.34 285.71 0.0 0.0 O.DO 72.19 80.68 4.25 285.65 0.0 0.0 O.DO 63.88 72.19 4.15 285.60 0.0 0.0 O.DO 55.76 63.88 4.06 285.55 0.0 0.0 O.DO 47.82 55.76 3.97 285.50 0.0 0.0 O.DO 40.33 47.82 3.74 285.40 0.0 0.0 O.DO 33.28 40.33 3.53 285.31 0.0 0.0 O.DO 26.64 33.28 3.32 285.22 0.0 0.0 O.DO 20.39 26.64 3.13 285.14 0.0 0.0 O.DO 14.50 20.39 2.94 285.06 0.0 0.0 O.DO 9.03 14.50 2.73 264.95 0.0 0.0 O.DO 4.24 9.03 2.39 264.73 0.0 0.0 O.DO 0.05 4.24 2.10 264.54 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 O.DO 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 O.DO 264.DO 0.0 0.0 O.DO 0.05 0.05 O.DO 264.DO 0.0 0.0 O.DO 0.05 0.05 0.00 264.DO 0.0 0.0 O.DO 0.05 0.05 O.DO 264.DO 0.0 0.0 O.DO 0.05 0.05 O.DO 264.DO 0.0 0.0 O.DO 0.05 0.05 O.DO 264.DO 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 O.DO 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 4.54 15.23 4.81 285.97 0 w fl) -' 0 < Q. t--0 o..: .... Q. els O.DO 1.97 2.40 2.92 3.37 3.97 4.20 4.40 4.55 4.67 4.75 4.80 4.81 4.79 4.73 4.64 4.54 4.44 4.34 4.25 4.15 4.06 3.97 3.74 3.53 3.32 3.13 2.94 2.73 2.39 2.10 0.00 0.00 0.00 0.00 O.DO 0.00 O.DO O.DO O.DO O.DO 0.00 O.DO O.DO 0.00 0.00 0.00 0.00 0.00 000 ODO 0.00 0.00 ODO 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 000 4.81 0117-0ra.x!s Exhibit 0-1 D.A. # D.A. # • .c a. I! "' 0 ii >. :J: ~ N Qo 9.2 2.9 Tc 5.0 5.0 inc 1.0 2.0 Time cfs 0.0 0.0 0.0 1.0 1.8 0.6 2.0 3.7 1.2 3.0 5.5 1.7 4.0 7.3 2.3 5.0 9.2 2.9 6.0 8.3 2.6 7.0 7.3 2.3 8.0 6.4 2.0 9.0 5.5 1.7 10.0 4.6 1.4 11.0 3.7 1.2 12.0 2.8 0.9 13.0 1.8 0.6 14.0 0.9 0.3 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 0.0 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS 9.17 2.88 0.00 indtcates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VAUEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # D.A. # Pond Routing EVENT= 50 c: 0 0 w t. c: z c: l2 0 ii) + 0 ,, ~ ... + :E c: ,, + + c: c: .. 0 iii "' c: 0-"' 0 c: N N 0 Q. w 5.1 5.0 1.0 cfs cfs cfs cfs cfs cfs ft 0.0 0.0 3.43 0.00 0.00 0.00 264.00 1.0 3.4 10.30 0.00 3.43 2.05 264.51 2.0 6.9 17.16 5.35 10.30 2.47 264.78 3.1 10.3 24.03 16.50 22.52 3.01 285.08 4.1 13.7 30.89 33.47 40.53 3.53 285.31 5.1 17.2 32.61 56.23 64.37 4.07 285.55 4.6 15.4 29.18 80.17 88.64 4.34 285.70 4.1 13.7 25.75 100.22 109.35 4.56 285.83 3.6 12.0 22.31 116.47 125.96 4.75 285.93 3.1 10.3 18.88 129.03 138.78 4.88 286.01 2.6 8.6 15.45 13806 147.91 4.92 286.04 2.0 6.9 12.01 143.60 153.51 4.95 286.06 1.5 5.1 8.58 145.69 155.62 4.96 286.06 1.0 3.4 5.15 144.36 154.27 4.96 286.06 0.5 1.7 1.72 139.64 149.51 4.93 286.04 0.0 0.0 0.00 131.58 141.36 4.89 286.02 0.0 0.0 0.00 121.96 131.58 4.81 285.97 0.0 0.0 0.00 112.55 121.96 4.70 285.91 0.0 0.0 0.00 103.35 112.55 4.60 285.85 0.0 0.0 0.00 94.36 103.35 4.50 285.79 0.0 0.0 0.00 85.56 94.36 4.40 285.74 0.0 0.0 0.00 76.96 85.56 4.30 285.68 0.0 0.0 0.00 68.55 76.96 4.21 285.63 0.0 0.0 0.00 60.32 68.55 4.11 285.58 0.0 0.0 0.00 52.28 60.32 4.02 285.53 0.0 0.0 0.00 44.53 52.28 3.87 285.46 0.0 0.0 0.00 37.24 44.53 3.65 285.36 0.0 0.0 0.00 30.37 37.24 3.44 285.27 0.0 0.0 0.00 23.90 30.37 3.24 285.18 0.0 0.0 0.00 17.80 23.90 3.05 285.10 0.0 0.0 0.00 12.06 17.80 2.87 285.03 0.0 0.0 0.00 6.90 12.06 2.58 264.85 0.0 0.0 0.00 2.37 6.90 2.26 264.65 0.0 0.0 0.00 0.00 2.37 1.53 264.38 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 00 0.0 000 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 000 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 5.12 17.16 4.96 286.06 0 w "' _,o <( Q. ,_o 0 a: .... Q. cfs 0.00 2.05 2.47 3.01 3.53 4.07 4.34 4.56 4.75 4.88 4.92 4.95 4.96 4.96 4.93 4.89 4.81 4.70 4.60 4.50 4.40 4.30 4.21 4.11 4.02 3.87 3.65 3.44 3.24 3.05 2.87 2.58 2.26 1.53 0.00 0.00 0.00 0.00 000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.96 0117-0ra.xls Exhibit D-1 O.A.# O.A. # -~ c.. ~ "' 0 .;; >-:x: ~ .... Qo 10.3 3.2 Tc 5.0 5.0 inc 1.0 2.0 Time cfs a.a a.a a.a 1.a 2.1 0.6 2.a 4.1 1.3 3.a 6.2 1.9 4.a 8.2 2.6 5.a 10.3 3.2 6.a 9.2 2.9 7.a 8.2 2.6 8.a 7.2 2.3 9.a 6.2 1.9 10.a 5.1 1.6 11.a 4.1 1.3 12.a 3.1 1.a 13.a 2.1 0.6 14.a 1.a 0.3 15.a o.a oa 16.a o.a o.a 17.a a.a o.a 18.a o.a o.a 19.a a.a o.a 20.a o.a o.a 21.a a.a a.a 22.a a.a o.a 23.a a.a o.a 24.a a.a a.a 25.a a.a o.a 26.a a.a o.a 27.a o.a a.a 28.a a.a a.a 29.a a.a a.a 30.a a.a o.a 31.a a.a a.a 32.a a.a a.a 33.a a.a a.a 34.a a.a a.o 35.0 a.a a.a 36.0 a.a a.o 37.a a.a a.a 38.a a.a a.o 39.a 0.0 a.a 40.a 0.0 a.a 41.a a.a a.o 42.a o.a a.a 43.a a.a 0.0 44.0 o.a o.a 45.a o.a 0.0 46.a o.a a.a 47.a a.o o.a 48.a a.a o.a 49.a a.a o.a so.a a.a a.a 51.a aa a.a 52.a a.a o.a 53.a o.a a.a 54.a a.a a.a 55.a a.o a.a 56.a a.a a.a 57.a a.a a.o 58.a a.o a.a 59.0 a.a a.o 60.a a.o a.a 61.a a.o a.a 62.a 0.0 a.a 63.a a.a o.a 64.a a.o a.o PEAK FLOWS I 10.27 3.22 0. 00 indicates in ital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 O.A. # O.A. # Pond Routina EVENT= 100 c a 0 "' t. c c z :!;! 0 iii + 0 "~ .,. + + :E c ill c 0 + "' c g~ .., 0 c .... .... 0 o..w 5.7 5.0 1.0 cfs els els els els els ft a.a a.a 3.84 a.oo 0.00 0.00 284.00 1.1 3.8 11.53 a.oo 3.84 2.a1 284.53 2.3 7.7 19.21 6.43 11.53 2.55 284.83 3.4 11.5 26.90 19.45 25.64 3.1a 285.12 4.6 15.4 34.58 38.95 46.35 3.7a 285.38 5.7 19.2 36.51 65.20 73.53 4.17 285.61 5.2 17.3 32.66 92.74 1a1.1a 4.48 285.78 4.6 15.4 28.82 115.92 125.41 4.74 285.93 4.0 13.4 24.98 134.93 144.74 4.91 286.a3 3.4 11.5 21.13 149.93 159.90 4.99 286.08 2.9 9.6 17.29 160.98 171.a7 5.04 286.12 2.3 7.7 13.45 168.12 178.28 5.08 286.14 1.7 5.8 9.61 171.37 181.57 5.10 286.15 1.1 3.8 5.76 17a.79 180.98 5.09 286.15 0.6 1.9 1.92 166.41 176.56 5.a7 286.14 o.a a.a a.oo 158.28 168.33 5.a3 286.11 a.a a.a a.oo 148.32 158.28 4.98 286.07 o.a a.a a.oo 138.47 148.32 4.93 286.04 o.a o.a a.oo 128.72 138.47 4.88 286.a1 o.a a.a a.oo 119.16 128.72 4.78 285.95 a.a a.a a.oo 109.82 119.16 4.67 285.89 o.a a.a a.oo 100.68 109.82 4.57 285.83 o.a a.a a.oo 91.74 100.68 4.47 285.78 o.a a.a a.oo 83.00 91.74 4.37 285.72 0.0 a.a a.oo 74.46 83.00 4.27 285.67 0.0 a.a a.oo 66.1a 74.46 4.18 285.62 o.a a.a a.oo 57.93 66.1a 4.09 285.56 o.a a.a a.oo 49.94 57.93 4.00 285.51 o.a o.a a.oo 42.33 49.94 3.80 285.43 o.a a.a a.oo 35.16 42.33 3.58 285.33 o.a a.a a.oo 28.41 35.16 3.37 285.24 0.0 a.a a.oo 22.06 28.41 3.18 285.16 a.a a.a a.oo 16.a7 22.06 2.99 285.08 a.a a.a a.oo 1a.43 16.a7 2.82 285.00 a.a a.a a.oo 5.47 1a.43 2.48 284.79 o.a a.a a.oo 1.12 5.47 2.17 284.59 a.a a.a a.oo a.oo 1.12 a.72 284.18 a.a a.a a.oo a.oo 0.00 a.oo 284.00 a.a o.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a 0.0 a.oo a.oo a.oo a.oo 284.00 a.o o.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a o.a 0.00 a.oo a.oo a.oo 284.00 a.a 00 a.oo a.oo a.oo a.oo 284.00 o.a o.a a.oo a.oo a.oo 0.00 284.00 a.o o.a a.oo a.oo a.oo 0.00 284.00 a.o a.a a.oo 0.00 a.oo 0.00 284.00 a.o a.a a.oo 0.00 a.oo 0.00 284.00 a.o a.a a.oo 0.00 a.oo 0.00 284.00 a.a a.o a.oo 0.00 a.oo 0.00 284.00 a.o a.a a.oo 0.00 a.oo 0.00 284.00 a.a a.a a.oo 0.00 a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo 0.00 a.oo 284.00 a.o a.a a.oo 0.00 a.oo 0.00 284.00 a.a a.a 0.00 a.oo a.oo a.oo 284.00 a.a o.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo 0.00 a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a 0.0 a.oo a.oo 0.00 a.oo 284.00 a.a a.o a.oo a.oo a.oo 0.00 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.o a.oo a.oo 0.00 a.oo 284.00 5.73 19.21 5.10 286.15 a "' "' -' 0 <( 0.. ,__ 0 oa: ,__ 0.. els 0.00 2.a1 2.55 3.10 3.7a 4.17 4.48 4.74 4.91 4.99 5.04 5.08 5.10 5.09 5.07 5.03 4.98 4.93 4.88 4.78 4.67 4.57 4.47 4.37 4.27 4.18 4.09 4.00 3.80 3.58 3.37 3.18 2.99 2.82 2.48 2.17 a.72 a.oo 0.00 a.oo a.oo 0.00 0.00 0.00 0.00 000 a.oo 0.00 a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo a.oo 0.00 5.10 0117-0ra.xls Exhibit D-1 D.A. # ~ I! ~ ~ .. .. Qp 7.4 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 1.5 2.0 2.9 3.0 4.4 4.0 5.9 5.0 7.4 6.0 6.6 7.0 5.9 8.0 5.2 9.0 4.4 10.0 3.7 11.0 2.9 12.0 2.2 13.0 1.5 14.0 0.7 15.0 0.0 16.0 0.0 17.0 0.0 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 00 62.0 0.0 63.0 0.0 64.0 00 PEAK FLOWS I 7.4 0.00 indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 D.A.# Pond Routlna EVENT= 5 D.A. # c c 0 w c ~ 5 z iii i 0 -gj ~ \5 i ~ I in VI !! N N IL W 0.0 0.0 cfs cfs CfS cfs cfs ft cfs 0.0 1.47 0.00 0.00 0.00 288.00 0.00 1.5 4.42 1.45 1.47 0.01 288.02 0.00 2.9 7.36 5.77 5.86 0.05 288.08 0.00 4.4 10.30 12.92 13.13 0.10 288.19 0.00 5.9 13.25 22.86 23.22 0.18 288.33 0.00 7.4 13.98 35.42 36.10 0.34 288.51 0.00 6.6 12.51 46.79 49.40 1.31 288.69 0.00 5.9 11.04 55.26 59.30 2.02 288.82 0.00 5.2 9.57 61.23 66.29 2.53 288.91 0.00 4.4 8.09 65.08 70.80 2.86 288.97 0.00 3.7 6.62 67.13 73.18 3.02 289.00 0.00 2.9 5.15 67.66 73.75 3.04 289.01 0.00 2.2 3.68 66.81 72.82 3.01 289.00 0.00 1.5 2.21 64.81 70.48 2.84 288.97 0.00 0.7 0.74 61.85 67.02 2.58 288.92 0.00 0.0 0.00 58.06 62.59 2.26 288.86 0.00 0.0 0.00 54.19 58.06 1.93 288.80 0.00 0.0 0.00 50.89 54.19 1.65 288.75 0.00 0.0 0.00 48.06 50.89 1.41 288.71 0.00 0.0 0.00 45.65 48.06 1.21 288.67 0.00 0.0 0.00 43.58 45.65 1.03 288.64 0.00 0.0 0.00 41.82 43.58 0.88 288.61 0.00 0.0 0.00 40.31 41.82 0.75 288.59 0.00 0.0 0.00 39.02 40.31 0.64 288.57 0.00 0.0 0.00 37.91 39.02 0.55 288.55 0.00 0.0 0.00 36.97 37.91 0.47 288.53 0.00 0.0 0.00 36.17 36.97 0.40 288.52 0.00 0.0 0.00 35.48 36.17 0.34 288.51 0.00 0.0 0.00 34.89 35.48 0.29 288.50 0.00 0.0 0.00 34.33 34.89 0.28 288.49 0.00 0.0 0.00 33.79 34.33 0.27 288.49 0.00 0.0 0.00 33.25 33.79 0.27 288.48 0.00 0.0 0.00 32.73 33.25 0.26 288.47 0.00 0.0 0.00 32.21 32.73 0.26 288.46 0.00 0.0 0.00 31.69 32.21 0.26 288.46 0.00 0.0 0.00 31.19 31.69 0.25 288.45 0.00 0.0 0.00 30.70 31.19 0.25 288.44 0.00 0.0 0.00 30.21 30.70 0.24 288.44 0.00 0.0 0.00 29.73 30.21 0.24 288.43 0.00 0.0 0.00 29.26 29.73 0.24 288.42 0.00 0.0 0.00 28.79 29.26 0.23 288.41 0.00 0.0 0.00 28.34 28.79 0.23 288.41 0.00 0.0 0.00 27.89 28.34 0.22 288.40 0.00 0.0 0.00 27.44 27.89 0.22 288.40 0.00 0.0 0.00 27.01 27.44 0.22 288.39 0.00 0.0 0.00 26.58 27.01 0.21 288.38 0.00 0.0 0.00 26.16 26.58 0.21 288.38 0.00 0.0 0.00 25.74 26.16 0.21 288.37 0.00 0.0 0.00 25.33 25.74 0.20 288.36 0.00 0.0 0.00 24.93 25.33 0.20 288.36 0.00 0.0 0.00 24.54 24.93 0.20 288.35 0.00 0.0 0.00 24.15 24.54 0.19 288.35 0.00 0.0 0.00 23.76 24.15 0.19 288.34 0.00 0.0 0.00 23.39 23.76 0.19 288.34 0.00 0.0 0.00 23.02 23.39 0.19 288.33 0.00 0.0 0.00 22.65 23.02 0.18 288.33 0.00 0.0 0.00 22.29 22.65 0.18 288.32 0.00 0.0 0.00 21.94 22.29 0.18 288.32 0.00 0.0 0.00 21.59 21.94 0.17 288.31 0.00 0.0 0.00 21.25 21.59 0.17 288.31 0.00 0.0 0.00 20.91 21.25 0.17 288.30 0.00 0.0 0.00 20.58 20.91 0.17 288.30 0.00 0.0 0.00 20.25 20.58 0.16 288.29 0.00 0.0 0.00 19.93 20.25 0.16 288.29 0.00 0.0 0.00 19.61 19.93 0.16 288.28 0.00 7.4 3.0 289.01 0.00 c w VI ..... ~ :!:~ ~ IL cfs 0.00 0.01 0.05 0.10 0.18 0.34 1.31 2.02 2.53 2.86 3.02 3.04 3.01 2.84 2.58 2.26 1.93 1.65 1.41 1.21 1.03 0.88 0.75 0.64 0.55 0.47 0.40 0.34 0.29 0.28 0.27 0.27 0.26 0.26 0.26 0.25 0.25 0.24 0.24 0.24 0.23 0.23 0.22 0.22 0.22 0.21 0.21 0.21 0.20 0.20 0.20 0.19 0.19 0.19 0.19 0.18 0.18 0.18 0.17 0.17 0.17 0.17 0.16 0.16 0.16 3.0 0117-dra.xls Exhibit 0-2 D.A.# -a. f! ~ ..., ~-.. Qp 8.2 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 1.6 2.0 3.3 3.0 4.9 4.0 6.6 5.0 8.2 6.0 7.4 7.0 6.6 8.0 5.7 9.0 4.9 10.0 4.1 11.0 3.3 12.0 2.5 13.0 1.6 14.0 0.8 15.0 0.0 16.0 0.0 17.0 00 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 00 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 00 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 8.2 0.00 indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # Pond Routlna EVENT= 10 D.A. # c 0 a w c ~ 8 z iii t a "§ 1 8 t ~ t ~ II) .. N N a.. w c 0.0 0.0 CfS cfs cfs cfs cfs ft cfs 0.0 1.64 0.00 0.00 0.00 288.00 0.00 1.6 4.92 1.61 1.64 0.01 288.02 0.00 3.3 8.20 6.43 6.54 0.05 288.09 0.00 4.9 11.48 14.40 14.64 0.12 288.21 0.00 6.6 14.77 25.48 25.89 0.21 288.37 0.00 8.2 15.59 38.96 40.24 0.64 288.57 0.00 7.4 13.94 51.19 54.55 1.68 288.76 0.00 6.6 12.30 60.24 65.13 2.45 288.90 0.00 5.7 10.66 66.57 72.54 2.99 288.99 0.00 4.9 9.02 70.94 77.24 3.15 289.06 0.00 4.1 7.38 73.49 79.96 3.23 289.10 0.00 3.3 5.74 74.35 80.88 3.26 289.11 0.00 2.5 4.10 73.62 80.10 3.24 289.10 0.00 1.6 2.46 71.39 77.72 3.16 289.07 0.00 0.8 0.82 67.76 73.85 3.05 289.01 0.00 0.0 0.00 63.19 68.58 2.70 288.94 0.00 0.0 0.00 58.57 63.19 2.31 288.87 0.00 0.0 0.00 54.63 58.57 1.97 288.81 0.00 0.0 0.00 51.26 54.63 1.69 288.76 0.00 0.0 0.00 48.38 51.26 1.44 288.71 0.00 0.0 0.00 45.92 48.38 1.23 288.67 0.00 0.0 0.00 43.81 45.92 1.05 288.64 0.00 00 0.00 42.02 43.81 0.90 288.61 0.00 0.0 0.00 40.48 42.02 0.77 288.59 0.00 0.0 0.00 39.16 40.48 0.66 288.57 0.00 0.0 0.00 38.04 39.16 0.56 288.55 0.00 0.0 0.00 37.08 38.04 0.48 288.54 0.00 0.0 0.00 36.26 37.08 0.41 288.52 0.00 0.0 0.00 35.56 36.26 0.35 288.51 0.00 0.0 0.00 34.96 35.56 0.30 288.50 0.00 0.0 0.00 34.40 34.96 0.28 288.50 0.00 0.0 0.00 33.85 34.40 0.27 288.49 0.00 0.0 0.00 33.32 33.85 0.27 288.48 0.00 0.0 0.00 32.79 33.32 0.26 288.47 0.00 0.0 0.00 32.27 32.79 0.26 288.46 0.00 0.0 0.00 31.76 32.27 0.26 288.46 0.00 0.0 0.00 31.25 31.76 0.25 288.45 0.00 0.0 0.00 30.76 31.25 0.25 288.44 0.00 0.0 0.00 30.27 30.76 0.24 288.44 0.00 0.0 0.00 29.79 30.27 0.24 288.43 0.00 0.0 0.00 29.31 29.79 0.24 288.42 0.00 0.0 0.00 28.85 29.31 0.23 288.42 0.00 0.0 0.00 28.39 28.85 0.23 288.41 0.00 0.0 0.00 27.94 28.39 0.23 288.40 0.00 0.0 0.00 27.50 27.94 0.22 288.40 0.00 0.0 0.00 27.06 27.50 0.22 288.39 0.00 0.0 0.00 26.63 27.06 0.21 288.38 0.00 0.0 0.00 26.21 26.63 0.21 288.38 0.00 0.0 0.00 25.79 26.21 0.21 288.37 0.00 0.0 0.00 25.38 25.79 0.20 288.37 0.00 0.0 0.00 24.98 25.38 0.20 288.36 0.00 0.0 0.00 24.58 24.98 0.20 288.35 0.00 0.0 0.00 24.19 24.58 0.20 288.35 0.00 0.0 0.00 23.81 24.19 0.19 288.34 0.00 0.0 0.00 23.43 23.81 0.19 288.34 0.00 0.0 0.00 23.06 23.43 0.19 288.33 0.00 0.0 0.00 22.69 23.06 0.18 288.33 0.00 0.0 0.00 22.33 22.69 0.18 288.32 0.00 0.0 0.00 21.98 22.33 0.18 288.32 0 00 0.0 0.00 21.63 21.98 0.17 288.31 0.00 0.0 0.00 21.29 21.63 0.17 288.31 0.00 0.0 0.00 20.95 21.29 0.17 288.30 0.00 0.0 0.00 20.62 20.95 0.17 288.30 0.00 0.0 0.00 20.29 20.62 0.16 288.29 0.00 0.0 0 00 19.97 20.29 0.16 288.29 0.00 8.2 3.3 289.11 0.00 0 w II) _, 0 :: ~ gg: cfs 0.00 0.01 0.05 0.12 0.21 0.64 1.68 2.45 2.99 3.15 3.23 3.26 3.24 3.16 3.05 2.70 2.31 1.97 1.69 1.44 1.23 1.05 0.90 0.77 0.66 0.56 0.48 0.41 0.35 0.30 0.28 0.27 0.27 0.26 0.26 0.26 0.25 0.25 0.24 0.24 0.24 0.23 0.23 0.23 0.22 0.22 0.21 0.21 0.21 0.20 0.20 0.20 0.20 0.19 0.19 0.19 0.18 0.18 0.18 0.17 0.17 0.17 0.17 0.16 0.16 3.3 0117-<lra.xls Exhibit 0-2 D.A. # .c Q. I! e ,, ~-... Qp 9.3 Tc 5.0 Inc 1.0 Time cts 0.0 0.0 1.0 1.9 2.0 3.7 3.0 5.6 4.0 7.5 5.0 9.3 6.0 8.4 7.0 7.5 8.0 6.5 9.0 5.6 10.0 4.7 11.0 3.7 12.0 2.6 13.0 1.9 14.0 0.9 15.0 0.0 16.0 0.0 17.0 0.0 16.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 9.3 0.00 indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A.# Pond Routing EVENT= 25 D.A.# c 0 a w i c z c 0 iii + a ;:; ~ + + ,, .. ::E c c > + c 8 "' c 0 .!! .. c N N a 11..W c 0.0 0.0 cfs cfs cfS cfs cfs ft cts 0.0 1.87 0.00 0.00 0.00 288.00 0.00 1.9 5.61 1.64 1.87 0.01 288.03 0.00 3.7 9.34 7.33 7.44 0.06 288.11 0.00 5.6 13.08 16.40 16.67 0.13 288.24 0.00 7.5 16.82 29.01 29.48 0.23 288.42 0.00 9.3 17.75 43.74 45.83 1.05 266.64 0.00 6.4 15.88 57.12 61.49 2.18 268.65 0.00 7.5 14.01 66.97 73.00 3.02 269.00 0.00 6.5 12.14 74.45 80.96 3.26 289.11 0.00 5.6 10.26 79.72 86.59 3.44 289.19 0.00 4.7 6.41 82.91 90.00 3.54 289.24 0.00 3.7 6.54 64.15 91.32 3.58 269.25 0.00 2.8 4.67 63.57 90.69 3.56 269.24 0.00 1.9 2.80 81.26 88.24 3.49 269.21 0.00 0.9 0.93 77.35 84.07 3.36 289.15 0.00 0.0 0.00 71.92 78.26 3.16 289.07 0.00 0.0 0.00 66.04 71.92 2.94 266.99 0.00 0.0 0.00 61.01 66.04 2.51 286.91 0.00 0.0 0.00 56.72 61.01 2.15 268.64 0.00 0.0 0.00 53.04 56.72 1.84 288.78 0.00 0.0 0.00 49.90 53.04 1.57 268.74 0.00 0.0 0.00 47.22 49.90 1.34 286.69 0.00 0.0 0.00 44.93 47.22 1.15 288.66 0.00 0.0 0.00 42.97 44.93 0.98 268.63 0.00 0.0 0.00 41.29 42.97 0.84 288.60 0.00 0.0 0.00 39.86 41.29 0.72 288.58 0.00 0.0 0.00 36.63 39.86 0.61 288.56 0.00 0.0 0.00 37.59 38.63 0.52 288.54 0.00 0.0 0.00 36.69 37.59 0.45 288.53 0.00 0.0 0.00 35.93 36.69 0.38 288.52 0.00 0.0 0.00 35.27 35.93 0.33 288.51 0.00 0.0 0.00 34.71 35.27 0.28 288.50 0.00 0.0 0.00 34.16 34.71 0.28 288.49 0.00 0.0 0.00 33.62 34.16 0.27 288.48 0.00 0.0 0.00 33.09 33.62 0.27 288.48 0.00 0.0 0.00 32.56 33.09 0.26 288.47 0.00 0.0 0.00 32.04 32.56 0.26 268.46 0.00 0.0 0.00 31.53 32.04 0.25 288.45 0.00 0.0 0.00 31.03 31.53 0.25 288.45 0.00 0.0 0.00 30.54 31.03 0.25 288.44 0.00 0.0 0.00 30.06 30.54 0.24 288.43 0.00 0.0 0.00 29.58 30.06 0.24 288.43 0.00 0.0 0.00 29.11 29.58 0.23 288.42 0.00 0.0 0.00 28.65 29.11 0.23 288.41 0.00 0.0 0.00 28.19 28.65 0.23 288.41 0.00 0.0 0.00 27.75 28.19 0.22 288.40 0.00 0.0 0.00 27.31 27.75 0.22 288.39 0.00 0.0 0.00 26.87 27.31 0.22 288.39 0.00 0.0 0.00 26.45 26.87 0.21 288.38 0.00 0.0 0.00 26.03 26.45 0.21 288.37 0.00 0.0 0.00 25.61 26.03 0.21 288.37 0.00 0.0 0.00 25.21 25.61 0.20 288.36 0.00 0.0 0.00 24.81 25.21 0.20 288.36 0.00 0.0 0.00 24.41 24.81 0.20 288.35 0.00 0.0 0.00 24.02 24.41 0.19 288.35 0.00 0.0 0.00 23.64 24.02 0.19 288.34 0.00 0.0 0.00 23.27 23.64 0.19 288.34 0.00 0.0 0.00 22.90 23.27 0.18 288.33 0.00 0.0 0.00 22.54 22.90 0.18 288.32 0.00 0.0 0.00 22.18 22.54 0.18 288.32 0.00 0.0 0.00 21.83 22.18 0.18 288.31 0.00 0.0 0.00 21.48 21.83 0.17 288.31 0.00 0.0 0.00 21.14 21.48 0.17 288.30 0.00 0.0 0.00 20.80 21.14 0.17 288.30 0.00 0.0 0.00 20.47 20.80 0.17 288.29 0.00 9.3 3.6 289.25 0.00 0 w "' _, 0 <IL ..... 0 12 f cfs 0.00 0.01 0.06 0.13 0.23 1.05 2.18 3.02 3.26 3.44 3.54 3.58 3.56 3.49 3.36 3.18 2.94 2.51 2.15 1.84 1.57 1.34 1.15 0.96 0.84 0.72 0.61 0.52 0.45 0.38 0.33 0.28 0.28 0.27 0.27 0.26 0.26 0.25 0.25 0.25 0.24 0.24 0.23 0.23 0.23 0.22 0.22 0.22 0.21 0.21 0.21 0.20 0.20 0.20 0.19 0.19 0.19 0.18 0.18 0.18 0.18 0.17 0.17 0.17 0.17 3.6 0117-dra.xts Exhibit 0-2 D.A. # .c ll. !! ~ ..., ~"" .. Qp 10.5 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 2.1 2.0 4.2 3.0 6.3 4.0 8.4 5.0 10.5 6.0 9.5 7.0 8.4 8.0 7.4 9.0 6.3 10.0 5.3 11.0 4.2 12.0 3.2 13.0 2.1 14.0 1.1 15.0 0.0 16.0 0.0 17.0 0.0 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS 10.5 o. oo indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # Pond Routing EVENT= 50 D.A.# c c a w + c z c ~ 0 iii + a ;:; ~ + + ..., .. 2: c c > + c 8 rn c 0 .!! .. c N N a 11..W c 0.0 0.0 cfs CfS cfs cfs cfs ft cfs 0.0 2.11 0.00 0.00 0.00 288.00 0.00 2.1 6.32 2.07 2.11 0.02 288.03 0.00 4.2 10.53 8.26 8.39 0.07 288.12 0.00 6.3 14.74 18.49 18.79 0.15 288.27 0.00 8.4 18.95 32.71 33.23 0.26 288.47 0.00 10.5 20.01 48.72 51.66 1.47 288.72 0.00 9.5 17.90 63.31 68.73 2.71 288.94 0.00 8.4 15.80 74.67 81.21 3.27 289.11 0.00 7.4 13.69 83.35 90.47 3.56 289.24 0.00 6.3 11.58 89.53 97.04 3.76 289.33 0.00 5.3 9.48 93.34 101.11 3.88 289.39 0.00 4.2 7.37 94.95 102.82 3.94 289.41 0.00 3.2 5.27 94.48 102.32 3.92 289.41 0.00 2.1 3.16 92.06 99.74 3.84 289.37 0.00 1.1 1.05 87.81 95.22 3.70 289.31 0.00 0.0 0.00 81.85 88.87 3.51 289.22 0.00 0.0 0.00 75.27 81.85 3.29 289.12 0.00 0.0 0.00 69.09 75.27 3.09 289.03 0.00 0.0 0.00 63.62 69.09 2.73 288.95 0.00 0.0 0.00 58.95 63.62 2.34 288.88 0.00 0.0 0.00 54.95 58.95 2.00 288.81 0.00 0.0 0.00 51.53 54.95 1.71 288.76 0.00 0.0 0.00 48.61 51.53 1.46 288.72 0.00 0.0 0.00 46.12 48.61 1.25 288.68 0.00 0.0 0.00 43.98 46.12 1.07 288.64 0.00 0.0 0.00 42.16 43.98 0.91 288.62 0.00 0.0 0.00 40.60 42.16 0.78 288.59 0.00 0.0 0.00 39.27 40.60 0.67 288.57 0.00 0.0 0.00 38.13 39.27 0.57 288.55 0.00 0.0 0.00 37.16 38.13 0.49 288.54 0.00 0.0 0.00 36.32 37.16 0.42 288.52 0.00 0.0 0.00 35.61 36.32 0.36 288.51 0.00 0.0 0.00 35.00 35.61 0.30 288.50 0.00 0.0 0.00 34.45 35.00 0.28 288.50 0.00 0.0 0.00 33.90 34.45 0.27 288.49 0.00 0.0 0.00 33.36 33.90 0.27 288.48 0.00 0.0 0.00 32.83 33.36 0.26 288.47 0.00 0.0 0.00 32.31 32.83 0.26 288.47 0.00 0.0 0.00 31.80 32.31 0.26 288.46 0.00 0.0 0.00 31.29 31.80 0.25 288.45 0.00 0.0 0.00 30.80 31.29 0.25 288.44 0.00 0.0 0.00 30.31 30.80 0.24 288.44 0.00 0.0 0.00 29.83 30.31 0.24 288.43 0.00 0.0 0.00 29.35 29.83 0.24 288.42 0.00 0.0 0.00 28.89 29.35 0.23 288.42 0.00 0.0 0.00 28.43 28.89 0.23 288.41 0.00 0.0 0.00 27.98 28.43 0.23 288.40 0.00 0.0 0.00 27.53 27.98 0.22 288.40 0.00 0.0 0.00 27.10 27.53 0.22 288.39 0.00 0.0 0.00 26.67 27.10 0.22 288.38 0.00 0.0 0.00 26.24 26.67 0.21 288.38 0.00 0.0 0.00 25.83 26.24 0.21 288.37 0.00 0.0 0.00 25.42 25.83 0.20 288.37 0.00 0.0 0.00 25.01 25.42 0.20 288.36 0.00 0.0 0.00 24.62 25.01 0.20 288.35 0.00 0.0 0.00 24.23 24.62 0.20 288.35 0.00 0.0 0.00 23.84 24.23 0.19 288.34 0.00 0.0 0.00 23.46 23.84 0.19 288.34 0.00 0.0 0.00 23.09 23.46 0.19 288.33 0.00 0.0 0.00 22.72 23.09 0.18 288.33 0.00 0.0 0.00 22.36 22.72 0.18 288.32 0.00 0.0 0.00 22.01 22.36 0.18 288.32 0.00 0.0 0.00 21.66 22.01 0.17 288.31 0.00 0.0 0.00 21.32 21.66 0.17 288.31 0.00 0.0 0.00 20.98 21.32 0.17 288.30 0.00 10.5 3.9 289.41 0.00 c w rn ....10 <II.. I-0 ~f cfs 0.00 0.02 0.07 0.15 0.26 1.47 2.71 3.27 3.56 3.76 3.88 3.94 3.92 3.84 3.70 3.51 3.29 3.09 2.73 2.34 2.00 1.71 1.46 1.25 1.07 0.91 0.78 0.67 0.57 0.49 0.42 0.36 0.30 0.28 0.27 0.27 0.26 0.26 0.26 0.25 0.25 0.24 0.24 0.24 0.23 0.23 0.23 0.22 0.22 0.22 0.21 0.21 0.20 0.20 0.20 0.20 0.19 0.19 0.19 0.18 0.18 0.18 0.17 0.17 0.17 3.9 0117-0ra.xls Exhibit 0-2 D.A. # .s::; Cl. I! e ,, ~-.. Qp 11.8 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 2.4 2.0 4.7 3.0 7.1 4.0 9.4 5.0 11.6 6.0 10.6 7.0 9.4 8.0 8.3 9.0 7.1 10.0 5.9 11.0 4.7 12.0 3.5 13.0 2.4 14.0 1.2 15.0 0.0 16.0 0.0 17.0 0.0 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 26.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 11.8 0.00 indicates inital condition EXHIBIT "'D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A.# Pond Routlng EVENT= 100 D.A. # c 0 a w c ~ c z .... a ~ iii + ~ + .... ,, .. ::E c + c + c > 8 "' c 0 .!! .. .!: N N a IL W c 0.0 0.0 cfs cfs cfs cfs Cfs ft cfs 0.0 2.36 0.00 0.00 0.00 266.00 0.00 2.4 7.07 2.32 2.36 0.02 266.03 0.00 4.7 11.79 9.24 9.39 0.07 266.13 0.00 7.1 16.50 20.70 21.03 0.17 266.30 0.00 9.4 21.22 36.36 37.20 0.42 286.53 0.00 11.8 22.40 53.78 57.58 1.90 288.80 0.00 10.6 20.04 69.95 76.18 3.12 289.04 0.00 9.4 17.68 82.90 89.99 3.54 289.23 0.00 8.3 15.32 92.85 100.58 3.87 289.38 0.00 7.1 12.97 99.97 108.17 4.10 289.49 0.00 5.9 10.61 104.50 112.94 4.22 289.55 0.00 4.7 8.25 106.56 115.11 4.27 289.58 0.00 3.5 5.89 106.26 114.81 4.27 289.58 0.00 2.4 3.54 103.77 112.17 4.20 289.54 0.00 1.2 1.18 99.16 107.30 4.07 289.47 0.00 0.0 0.00 92.62 100.33 3.86 289.38 0.00 0.0 0.00 85.37 92.62 3.62 289.27 0.00 0.0 0.00 78.57 85.37 3.40 289.17 0.00 0.0 0.00 72.19 78.57 3.19 289.08 0.00 0.0 0.00 66.27 72.19 2.96 288.99 0.00 0.0 0.00 61.21 66.27 2.53 288.91 0.00 0.0 0.00 56.89 61.21 2.16 288.84 0.00 0.0 0.00 53.19 56.89 1.85 268.79 0.00 0.0 0.00 50.03 53.19 1.56 286.74 0.00 0.0 0.00 47.33 50.03 1.35 288.70 0.00 0.0 0.00 4.S.02 47.33 1.15 288.66 0.00 0.0 0.00 43.04 45.02 0.99 288.63 0.00 0.0 0.00 41.36 43.04 0.84 288.60 0.00 0.0 0.00 39.91 41.36 0.72 288.58 0.00 0.0 0.00 38.68 39.91 0.62 288.56 0.00 0.0 0.00 37.63 38.68 0.53 288.55 0.00 0.0 0.00 36.73 37.63 0.45 288.53 0.00 0.0 0.00 35.96 36.73 0.39 288.52 0.00 0.0 0.00 35.30 35.96 0.33 288.51 0.00 0.0 0.00 34.74 35.30 0.28 288.50 0.00 0.0 0.00 34.18 34.74 0.28 288.49 0.00 0.0 0.00 33.64 34.18 0.27 288.48 0.00 0.0 0.00 33.11 33.64 0.27 288.48 0.00 0.0 0.00 32.58 33.11 0.26 288.47 0.00 0.0 0.00 32.06 32.58 0.26 288.46 0.00 0.0 0.00 31.56 32.06 0.25 288.45 0.00 0.0 0.00 31.05 31.56 0.25 288.45 0.00 0.0 0.00 30.56 31.05 0.25 288.44 0.00 0.0 0.00 30.08 30.56 0.24 288.43 0.00 0.0 0.00 29.60 30.08 0.24 288.43 0.00 0.0 0.00 29.13 29.60 0.23 288.42 0.00 0.0 0.00 28.67 29.13 0.23 288.41 0.00 0.0 0.00 28.21 28.67 0.23 288.41 0.00 0.0 0.00 27.76 28.21 0.22 288.40 0.00 0.0 0.00 27.32 27.76 0.22 288.39 0.00 0.0 0.00 26.89 27.32 0.22 288.39 0.00 0.0 0.00 26.46 26.89 0.21 288.38 0.00 0.0 0.00 26.04 26.46 0.21 288.38 0.00 0.0 0.00 25.63 26.04 0.21 288.37 0.00 0.0 0.00 25.22 25.63 0.20 288.36 0.00 0.0 0.00 24.82 25.22 0.20 286.36 0.00 0.0 0.00 24.43 24.82 0.20 288.35 0.00 0.0 0.00 24.04 24.43 0.19 288.35 0.00 0.0 0.00 23.66 24.04 0.19 288.34 0.00 0.0 0.00 23.28 23.66 0.19 288.34 0.00 0.0 0.00 22.91 23.28 0.18 288.33 0.00 0.0 0.00 22.55 22.91 0.18 288.32 0.00 0.0 0 00 22.19 22.55 0.18 268.32 0.00 0.0 0.00 21.84 22.19 0.18 286.31 0.00 0.0 0.00 21.49 21.84 0.17 286.31 0.00 11.8 4.3 289.58 0.00 0 w "' _,o ~~ ~f cfs 0.00 0.02 0.07 0.17 0.42 1.90 3.12 3.54 3.87 4.10 4.22 4.27 4.27 4.20 4.07 3.86 3.62 3.40 3.19 2.96 2.53 2.16 1.85 1.58 1.35 1.15 0.99 0.84 0.72 0.62 0.53 0.45 0.39 0.33 0.28 0.28 0.27 0.27 0.26 0.26 0.25 0.25 0.25 0.24 0.24 0.23 0.23 0.23 0.22 0.22 0.22 0.21 0.21 0.21 0.20 0.20 0.20 0.19 0.19 0.19 0.18 0.18 0.18 0.18 0.17 4.3 0117--0ra.xls Exhibit D-2 0.00 indicates initat condition ~ Q. I! ~ "Cl ~ .. Qp Tc Inc EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT= 5 D.A. # D.A. # D.A.# D.A. # 0 L-~~ w z ~i ...... iii i] ~8 N ~ D.. ~D.. .:. "' .. #N/A #N/A 0.7 8.3 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs els 0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.6 0.0 0.1 1.7 0.8 2.0 2.3 0.0 0.3 2.6 1.7 3.0 2.7 0.1 0.4 3.2 2.5 4.0 3.1 0.2 0.5 3.8 3.4 5.0 3.6 0.3 0.7 4.6 4.2 6.0 4.0 1.3 0.6 5.9 5.0 7.0 4.1 2.0 0.5 6.7 5.9 8.0 4.2 2.5 0.5 7.2 6.7 9.0 4.3 2.9 0.4 7.6 7.6 10.0 4.4 3.0 0.3 7.7 8.3 11.0 4.4 3.0 0.3 7.7 7.9 12.0 4.4 3.0 0.2 7.6 7.4 13.0 4.3 2.8 0.1 7.3 7.0 14.0 4.3 2.6 0.1 6.9 6.6 15.0 4.2 2.3 0.0 6.5 6.2 16.0 4.1 1.9 0.0 6.1 5.8 17.0 4.0 1.7 0.0 5.7 5.3 18.0 3.9 1.4 0.0 5.3 4.9 19.0 3.7 1.2 0.0 4.9 4.5 20.0 3.4 1.0 0.0 4.5 4.1 21.0 3.2 0.9 0.0 4.1 3.7 22.0 3.1 0.8 0.0 3.8 3.2 23.0 2.9 0.6 0.0 3.5 2.8 24.0 2.6 0.6 0.0 3.1 2.4 25.0 2.3 0.5 0.0 2.7 2.0 26.0 1.7 0.4 0.0 2.1 1.5 27.0 0.0 0.3 0.0 0.3 1.1 28.0 0.0 0.3 0.0 0.3 0.7 29.0 0.0 0.3 0.0 0.3 0.3 30.0 0.0 0.3 0.0 0.3 0.0 31.0 0.0 0.3 0.0 0.3 0.0 32.0 0.0 0.3 0.0 0.3 0.0 33.0 0.0 0.3 0.0 0.3 0.0 34.0 0.0 0.3 0.0 0.3 0.0 35.0 0.0 0.3 0.0 0.3 0.0 36.0 0.0 0.2 0.0 0.2 0.0 37.0 0.0 0.2 0.0 0.2 0.0 38.0 0.0 0.2 0.0 0.2 0.0 39.0 00 0.2 0.0 0.2 0.0 40.0 0.0 0.2 0.0 0.2 0.0 41.0 0.0 0.2 0.0 0.2 0.0 42.0 0.0 0.2 0.0 0.2 0.0 43.0 0.0 0.2 0.0 0.2 0.0 44.0 0.0 0.2 0.0 0.2 0.0 45.0 0.0 0.2 0.0 0.2 0.0 46.0 0.0 0.2 0.0 0.2 0.0 47.0 0.0 0.2 0.0 0.2 0.0 48.0 0.0 0.2 0.0 0.2 0.0 49.0 0.0 0.2 0.0 0.2 0.0 50.0 0.0 0.2 0.0 0.2 0.0 51.0 0.0 0.2 0.0 0.2 0.0 52.0 0.0 0.2 0.0 0.2 0.0 53.0 0.0 0.2 0.0 0.2 0.0 54.0 0.0 0.2 0.0 0.2 0.0 55.0 0.0 0.2 0.0 0.2 0.0 56.0 0.0 0.2 0.0 0.2 0.0 57.0 0.0 0.2 00 0.2 0.0 58.0 0.0 0.2 0.0 0.2 0.0 59.0 0.0 0.2 0.0 0.2 0.0 60.0 0.0 0.2 0.0 0.2 0.0 61.0 0.0 0.2 0.0 0.2 0.0 62.0 0.0 0.2 0.0 0.2 0.0 63.0 0.0 0.2 0.0 0.2 0.0 64.0 0.0 0.2 0.0 0.2 0.0 PEAK FLOWS I 4.38 3.04 0.67 7.72 8.27 I ~ _. F i'!.,, e~ els 0.00 0.84 1.68 2.52 3.36 4.20 5.04 5.88 6.73 7.57 8.27 7.85 7.43 7.01 6.59 6.17 5.75 5.33 4.91 4.49 4.07 3.65 3.23 2.81 2.39 1.97 1.55 1.13 0.71 0.29 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.27 0117-dra.xls Exhibit D-2 0.00 indicates inttal condition Qp Tc Inc J: Q. I! ~ ,, EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT" 10 D.A. # D.A.# D.A. # D.A.# c L-5~ w z ~-~ ,, N ~~ S°8 s 5 g ~ .. ~IL ~IL "' ~ #N/A #N/A 0.7 9.3 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs CfS cfs cfs cfs 0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.7 0.0 0.1 1.9 0.9 2.0 2.3 0.1 0.3 2.7 1.9 3.0 2.8 0.1 0.4 3.4 2.8 4.0 3.2 0.2 0.6 4.0 3.8 5.0 3.7 0.6 0.7 5.1 4.7 6.0 4.1 1.7 0.7 6.4 5.7 7.0 4.2 2.4 0.6 7.3 6.6 8.0 4.4 3.0 0.5 7.9 7.5 9.0 4.5 3.1 0.4 8.1 8.5 10.0 4.5 3.2 0.4 8.1 9.3 11.0 4.6 3.3 0.3 8.1 8.8 12.0 4.6 3.2 0.2 8.0 8.3 13.0 4.5 3.2 0.1 7.8 7.9 14.0 4.5 3.0 0.1 7.6 7.4 15.0 4.4 2.7 0.0 7.1 6.9 16.0 4.3 2.3 0.0 6.6 6.5 17.0 4.2 2.0 0.0 6.2 6.0 18.0 4.1 1.7 0.0 5.8 5.5 19.0 4.0 1.4 0.0 5.5 5.0 20.0 3.9 1.2 0.0 5.1 4.6 21.0 3.6 1.1 0.0 4.7 4.1 22.0 3.4 0.9 0.0 4.3 3.6 23.0 3.2 0.8 0.0 4.0 3.2 24.0 3.0 0.7 0.0 3.7 2.7 25.0 2.9 0.6 0.0 3.4 2.2 26.0 2.6 0.5 0.0 3.0 1.7 27.0 2.3 0.4 0.0 2.7 1.3 28.0 1.4 0.4 0.0 1.8 0.8 29.0 0.0 0.3 0.0 0.3 0.3 30.0 0.0 0.3 0.0 0.3 0.0 31.0 0.0 0.3 0.0 0.3 0.0 32.0 0.0 0.3 0.0 0.3 0.0 33.0 0.0 0.3 0.0 0.3 0.0 34.0 0.0 0.3 0.0 0.3 0.0 35.0 0.0 0.3 0.0 0.3 0.0 36.0 0.0 0.3 0.0 0.3 0.0 37.0 0.0 0.2 0.0 0.2 0.0 38.0 0.0 0.2 0.0 0.2 0.0 39.0 0.0 0.2 0.0 0.2 00 40.0 0.0 0.2 0.0 0.2 0.0 41.0 0.0 0.2 0.0 0.2 0.0 42.0 0.0 0.2 0.0 0.2 0.0 43.0 0.0 0.2 0.0 0.2 0.0 44.0 0.0 0.2 0.0 0.2 0.0 45.0 0.0 0.2 0.0 0.2 0.0 46.0 0.0 0.2 0.0 0.2 0.0 47.0 0.0 0.2 0.0 0.2 0.0 48.0 0.0 0.2 0.0 0.2 0.0 49.0 0.0 0.2 0.0 0.2 0.0 50.0 0.0 0.2 0.0 0.2 0.0 51.0 0.0 0.2 0.0 0.2 0.0 52.0 0.0 0.2 0.0 0.2 0.0 53.0 0.0 0.2 0.0 0.2 0.0 54.0 0.0 0.2 0.0 0.2 0.0 55.0 0.0 0.2 0.0 0.2 0.0 56.0 0.0 0.2 0.0 0.2 0.0 57.0 0.0 0.2 0.0 0.2 0.0 58.0 0.0 0.2 0.0 0.2 0.0 59.0 0.0 0.2 0.0 0.2 0.0 60.0 0.0 0.2 0.0 0.2 0.0 61.0 0.0 0.2 0.0 0.2 0.0 62.0 0.0 0.2 0.0 0.2 0.0 63.0 0.0 0.2 0.0 0.2 0.0 64.0 0.0 0.2 0.0 0.2 0.0 PEAK FLOWS I 4.56 3.26 0.75 8.13 9.29 I ~ ...J I= ~"' g~ cfs 0.00 0.94 1.89 2.83 3.77 4.72 5.66 6.60 7.55 8.49 9.29 8.81 8.34 7.87 7.40 6.93 6.46 5.98 5.51 5.04 4.57 4.10 3.63 3.15 2.68 2.21 1.74 1.27 0.79 0.32 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.29 0117-dra.xls Exhibit 0-2 0.00 indicates inital condition .c Cl. !! ~ "O ~ .. Qp Tc tnc EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT= 25 ---·· -D.A. # D.A. # D.A. # D.A.# 0 ~-8~ w z ~! ~~ 1l "O N .s 8 e ;,. ~ IL ~ IL "' .. #NIA #N/A 0.9 10.7 #NIA #NIA 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs cfs 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 0.0 0.2 2.2 1.1 2.0 2.4 0.1 0.3 2.8 2.2 3.0 2.9 0.1 0.5 3.6 3.2 4.0 3.4 0.2 0.7 4.3 4.3 5.0 4.0 1.0 0.9 5.9 5.4 6.0 4.2 2.2 0.8 7.2 6.5 7.0 4.4 3.0 0.7 8.1 7.5 8.0 4.6 3.3 0.6 8.4 8.6 9.0 4.7 3.4 0.5 8.6 9.7 10.0 4.8 3.5 0.4 8.7 10.6 11.0 4.8 3.6 0.3 8.7 10.1 12.0 4.8 3.6 0.3 8.6 9.5 13.0 4.8 3.5 0.2 8.4 9.0 14.0 4.7 3.4 0.1 8.2 8.5 15.0 4.6 3.2 0.0 7.8 7.9 16.0 4.5 2.9 0.0 7.5 7.4 17.0 4.4 2.5 0.0 7.0 6.8 18.0 4.3 2.1 0.0 6.5 6.3 19.0 4.2 1.8 0.0 6.1 5.8 20.0 4.2 1.6 0.0 5.7 5.2 21.0 4.1 1.3 0.0 5.4 4.7 22.0 4.0 1.1 0.0 5.1 4.1 23.0 3.7 1.0 0.0 4.7 3.6 24.0 3.5 0.8 0.0 4.4 3.1 25.0 3.3 0.7 0.0 4.0 2.5 26.0 3.1 0.6 0.0 3.7 2.0 27.0 2.9 0.5 0.0 3.5 1.4 28.0 2.7 0.4 0.0 3.2 0.9 29.0 2.4 0.4 0.0 2.8 0.4 30.0 2.1 0.3 0.0 2.4 0.0 31.0 0.0 0.3 0.0 0.3 0.0 32.0 0.0 0.3 0.0 0.3 0.0 33.0 0.0 0.3 0.0 0.3 0.0 34.0 0.0 0.3 0.0 0.3 0.0 35.0 0.0 0.3 0.0 0.3 0.0 36.0 0.0 0.3 0.0 0.3 0.0 37.0 0.0 0.3 0.0 0.3 0.0 38.0 0.0 0.3 0.0 0.3 0.0 39.0 0.0 0.2 0.0 0.2 0.0 40.0 0.0 0.2 0.0 0.2 0.0 41.0 0.0 0.2 0.0 0.2 0.0 42.0 0.0 0.2 0.0 0.2 0.0 43.0 0.0 0.2 0.0 0.2 0.0 44.0 0.0 0.2 0.0 0.2 0.0 45.0 0.0 0.2 0.0 0.2 0.0 46.0 0.0 0.2 0.0 0.2 0.0 47.0 0.0 0.2 0.0 0.2 0.0 48.0 0.0 0.2 0.0 0.2 0.0 49.0 0.0 0.2 0.0 0.2 0.0 50.0 0.0 0.2 0.0 0.2 0.0 51.0 0.0 0.2 0.0 0.2 0.0 52.0 0.0 0.2 0.0 0.2 0.0 53.0 0.0 0.2 0.0 0.2 0.0 54.0 0.0 0.2 0.0 0.2 0.0 55.0 0.0 0.2 0.0 0.2 0.0 56.0 0.0 0.2 0.0 0.2 0.0 57.0 0.0 0.2 0.0 0.2 0.0 58.0 0.0 0.2 0.0 0.2 0.0 59.0 0.0 0.2 0.0 0.2 0.0 60.0 0.0 0.2 0.0 0.2 0.0 61.0 0.0 0.2 0.0 0.2 0.0 62.0 0.0 0.2 0.0 0.2 0.0 63.0 0.0 0.2 0.0 0.2 0.0 64.0 0.0 0.2 0.0 0.2 0.0 PEAK FLOWS I 4.81 3.58 0.85 8.72 10.61 I ~ ..J I= ~ !!? ~ r;J cfs 0.00 1.08 2.16 3.23 4.31 5.39 6.47 7.54 8.62 9.70 10.61 10.07 9.53 8.99 8.45 7.91 7.37 6.83 6.30 5.76 5.22 4.68 4.14 3.60 3.06 2.52 1.99 1.45 0.91 0.37 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.61 0117-dra.xls Exhibtt D-2 0. 00 indicates in ital condition Qo Tc Inc .<:: c. I! ~ .., EXHIBIT •0-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT= 50 D.A.# D.A. # D.A. # D.A. # 0 c c w o~ ON z ~~ ~~ .... iii 1l c ll c ;: ::i: N £'-l!J ~ l!J~ ~8 ;,. "' .. #NIA #N/A 1.0 12.1 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs cfs 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 0.0 0.2 2.3 1.2 2.0 2.5 0.1 0.4 2.9 2.4 3.0 3.0 0.1 0.6 3.7 3.7 4.0 3.5 0.3 0.8 4.6 4.9 5.0 4.1 1.5 1.0 6.5 6.1 6.0 4.3 2.7 0.9 7.9 7.3 7.0 4.6 3.3 0.8 8.6 8.5 8.0 4.7 3.6 0.7 9.0 9.7 9.0 4.9 3.8 0.6 9.2 11.0 10.0 4.9 3.9 0.5 9.3 12.0 11.0 5.0 3.9 0.4 9.3 11.4 12.0 5.0 3.9 0.3 9.2 10.8 13.0 5.0 3.8 0.2 9.0 10.2 14.0 4.9 3.7 0.1 8.7 9.6 15.0 4.9 3.5 0.0 8.4 8.9 16.0 4.8 3.3 0.0 8.1 8.3 17.0 4.7 3.1 0.0 7.8 7.7 18.0 4.6 2.7 0.0 7.3 7.1 19.0 4.5 2.3 0.0 6.8 6.5 20.0 4.4 2.0 0.0 6.4 5.9 21.0 4.3 1.7 0.0 6.0 5.3 22.0 4.2 1.5 0.0 5.7 4.7 23.0 4.1 1.2 0.0 5.4 4.1 24.0 4.0 1.1 0.0 5.1 3.5 25.0 3.9 0.9 0.0 4.8 2.9 26.0 3.6 0.8 0.0 4.4 2.2 27.0 3.4 0.7 0.0 4.1 1.6 28.0 3.2 0.6 0.0 3.8 1.0 29.0 3.0 0.5 0.0 3.5 0.4 30.0 2.9 0.4 0.0 3.3 0.0 31.0 2.6 0.4 0.0 2.9 0.0 32.0 2.3 0.3 0.0 2.6 0.0 33.0 1.5 0.3 0.0 1.8 0.0 34.0 0.0 0.3 0.0 0.3 0.0 35.0 0.0 0.3 0.0 0.3 0.0 36.0 0.0 0.3 0.0 0.3 0.0 37.0 0.0 0.3 0.0 0.3 0.0 38.0 0.0 0.3 0.0 0.3 0.0 39.0 0.0 0.3 0.0 0.3 0.0 40.0 0.0 0.2 0.0 0.2 0.0 41.0 0.0 0.2 0.0 0.2 0.0 42.0 0.0 0.2 0.0 0.2 0.0 43.0 00 0.2 0.0 0.2 0.0 44.0 0.0 0.2 0.0 0.2 0.0 45.0 0.0 0.2 0.0 0.2 0.0 46.0 0.0 0.2 0.0 0.2 0.0 47.0 0.0 0.2 0.0 0.2 0.0 48.0 0.0 0.2 0.0 0.2 0.0 49.0 0.0 0.2 0.0 0.2 0.0 50.0 0.0 0.2 0.0 0.2 0.0 51.0 0.0 0.2 0.0 0.2 0.0 52.0 0.0 0.2 0.0 0.2 0.0 53.0 0.0 0.2 0.0 0.2 0.0 54.0 0.0 0.2 0.0 0.2 0.0 55.0 0.0 0.2 0.0 0.2 0.0 56.0 00 0.2 0.0 0.2 0.0 57.0 0.0 0.2 0.0 0.2 0.0 58.0 00 0.2 0.0 0.2 0.0 59.0 0.0 0.2 0.0 0.2 0.0 60.0 0.0 0.2 0.0 0.2 0.0 61.0 0.0 0.2 0.0 0.2 0.0 62.0 0.0 0.2 0.0 0.2 0.0 63.0 0.0 0.2 0.0 0.2 0.0 64.0 0.0 0.2 0.0 0.2 0.0 PEAK FLOWS 0 z .... I= ~!'.! ~t:i cfs 0.00 1.22 2.44 3.65 4.87 6.09 7.31 8.53 9.74 10.96 11.99 11.38 10.77 10.16 9.55 8.94 8.33 7.73 7.12 6.51 5.90 5.29 4.68 4.07 3.46 2.85 2.24 1.64 1.03 0.42 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 I 4.96 3.94 0.96 9.29 11.99 I 11.99 0117-0ra.xfs Exhibit D-2 0.00 indicates inrtal condition Qo Tc Inc .r:; Cl. !'! ~ ,, EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 EVENT= 100 D.A. # D.A. # D.A. # D.A. # c c c w o~ 0"' z ~~ ~~ ..J iii 1l c 1l c t!' ~ "' ~ ... 21 ~ 21 ~ ~8 .:. "' .. #N/A #N/A 1.1 13.5 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs cfs 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.1 0.0 0.2 2.3 1.4 2.0 2.5 0.1 0.4 3.1 2.7 3.0 3.1 0.2 0.6 3.9 4.1 4.0 3.7 0.4 0.9 5.0 5.5 5.0 4.2 1.9 1.1 7.1 6.6 6.0 4.5 3.1 1.0 6.6 6.2 7.0 4.7 3.5 0.9 9.1 9.6 6.0 4.9 3.9 0.6 9.5 10.9 9.0 5.0 4.1 0.6 9.7 12.3 10.0 5.0 4.2 0.5 9.6 13.5 11.0 5.1 4.3 0.4 9.8 12.6 12.0 5.1 4.3 0.3 9.7 12.1 13.0 5.1 4.2 0.2 9.5 11.4 14.0 5.1 4.1 0.1 9.3 10.7 15.0 5.0 3.9 0.0 6.9 10.0 16.0 5.0 3.6 0.0 6.6 9.4 17.0 4.9 3.4 0.0 6.3 8.7 16.0 4.9 3.2 0.0 6.1 6.0 19.0 4.6 3.0 0.0 7.7 7.3 20.0 4.7 2.5 0.0 7.2 6.6 21.0 4.6 2.2 0.0 6.7 5.9 22.0 4.5 1.6 0.0 6.3 5.3 23.0 4.4 1.6 0.0 5.9 4.6 24.0 4.3 1.4 0.0 5.6 3.9 25.0 4.2 1.2 0.0 5.3 3.2 26.0 4.1 1.0 0.0 5.1 2.5 27.0 4.0 0.6 0.0 4.6 1.6 26.0 3.6 0.7 0.0 4.5 1.2 29.0 3.6 0.6 0.0 4.2 0.5 30.0 3.4 0.5 0.0 3.9 0.0 31.0 3.2 0.5 0.0 3.6 0.0 32.0 3.0 0.4 0.0 3.4 0.0 33.0 2.6 0.3 0.0 3.1 0.0 34.0 2.5 0.3 0.0 2.8 0.0 35.0 2.2 0.3 0.0 2.4 0.0 36.0 0.7 0.3 0.0 1.0 0.0 37.0 0.0 0.3 0.0 0.3 0.0 36.0 0.0 0.3 0.0 0.3 0.0 39.0 0.0 0.3 0.0 0.3 0.0 40.0 0.0 0.3 0.0 0.3 0.0 41.0 0.0 0.3 0.0 0.3 0.0 42.0 0.0 0.2 0.0 0.2 0.0 43.0 0.0 0.2 0.0 0.2 0.0 44.0 0.0 0.2 0.0 0.2 0.0 45.0 0.0 0.2 0.0 0.2 0.0 46.0 0.0 0.2 0.0 0.2 0.0 47.0 0.0 0.2 0.0 0.2 0.0 46.0 0.0 0.2 0.0 0.2 0.0 49.0 0.0 0.2 0.0 0.2 0.0 50.0 0.0 0.2 0.0 0.2 0.0 51.0 0.0 0.2 0.0 0.2 0.0 52.0 0.0 0.2 0.0 0.2 0.0 53.0 0.0 0.2 0.0 0.2 0.0 54.0 0.0 0.2 0.0 0.2 0.0 55.0 0.0 0.2 0.0 0.2 0.0 56.0 0.0 0.2 0.0 0.2 0.0 57.0 0.0 0.2 0.0 0.2 0.0 56.0 0.0 0.2 0.0 0.2 0.0 59.0 0.0 0.2 0.0 0.2 0.0 60.0 0.0 0.2 0.0 0.2 0.0 61.0 0.0 0.2 0.0 0.2 0.0 62.0 0.0 0.2 0.0 0.2 0.0 63.0 0.0 0.2 0.0 0.2 0.0 64.0 0.0 0.2 0.0 0.2 0.0 PEAK FLOWS 0 z ..J I= t!' !!! ~~ cfs 0.00 1.37 2.74 4.11 5.47 6.64 6.21 9.56 10.95 12.32 13.47 12.79 12.10 11.42 10.73 10.05 9.36 8.68 6.00 7.31 6.63 5.94 5.26 4.57 3.69 3.21 2.52 1.64 1.15 0.47 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 I 5.10 4.27 1.07 9.80 13.47 I 13.47 0117--0ra.xls Exhibit D-2 ~ ~ a 5 Year Event Hydrographs 8.00 7.00 6.00 5.00 4.00 3.00 1.00 0.00 -'--=-----------....-----,__ _____ ......1... __ ~-----+----~ 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 11/26/2002 Exhibit E-1 ~ .:!. a 10 Year Event Hydrographs 10.00 9.00 - 8.00 7.00 6.00 5.00 4.00 2.00 1.00 0.00 +--=:_._-+----+-----+----+-----+---....i......::"'+------+------l 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 11/26/2002 Exhibi t E-1 25 Year Event Hydrographs ~ ~ 6.00 a 2.00 o.oo +---===::::::...--1~~~~-+-~~~~-+-~~~------~~~---1-~~~___.::=.,......l......~~~-+--~~~--1 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 11/26/2002 Exhibit E-1 50 Year Event Hydrographs 10.00 8.00 6.00 O.OO-J----=:::;;;;;;;..___,.~~~~-1-~~~~-+--~~~--;~~~~-+-~~~__;:o.+--~~__;~+--~~~---l 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 11/26/2002 Exhibit E-1 100 Year Event Hydrographs 14.00 6.00 O.OO .J----==::::____,.~~~~--+-~~~~-+-~~~---;~~~~---~~~__;11o+-~~~~1----l.~~~ 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 11/26/2002 Exhibit E-1 6.000 5.000 c;;-4.ooo ...... 0 -Q) e 3.ooo ro .c: 0 "' ·-c 2.000 1.000 0.000 283.5 Pond #1 Stage-Discharge Curve /' / v / / v I I 284.0 284.5 285.0 285.5 286.0 286.5 Elevation (msl) 287.0 Pond 1 Chart 16 11/22/02 Exhibit F-1 0.250 0.200 -. ~ :.s 0 .150 co -Q) C) ~ 0.100 .. en 0.050 0.000 283 .5 284 Pond #1 Stage-Storage Curve 1· I / v / v ~ 284.5 285 285.5 286 286 .5 Elevation (msl) 287 Pond 1 Chart 15 11/22/02 Exhibit F-1 6.000 5.000 i 4.000 (.) -C1) ~ 3.000 .c (.) "' c 2.000 1.000 0.000 287.5 Pond #2 Stage-Discharge Curve __/ I 288.0 288.5 __,,) / I I 289.0 Elevation (msl) 289.5 290.0 290.5 Pond 2 Chart 4 11/22/02 Exhibit F-2 0.120 0.100 -= 0.080 I . (.) ns -Q) 0.060 C) ~ 0 en o.o4o 0.020 0.000 287.5 Pond #2 Stage-Storage Curve / v / v / / v 288 288.5 289 Elevation (ft.) 289.5 /' 290 290.5 Pond 2 Chart 3 11/22/02 Exhibit F-2 I lliiii DI·a1nage Report FOR LOTS 18-R & 19-R BLOCK 18 of SOUTHWOOD VALLEY SECTION 4-B VICINI TY MAP NTS NOVEMBER, 2002 (REVISED JANUARY, 2003) Prepared By: McClure Engineering, Inc. 1008 WOODCREEK DRIVE SUITE 103 COLLEGE STATION, TEXAS 77845 (979) 693-3838 Dra1nage Report FOR LOTS 18-R & 19-R, BLOCK 18 of SOUTHWOOD VALLEY SECTION 4-B VICINI TY MAP NTS NOVEMBER, 2002 (REVISED JANUARY, 2003) Prepared By: McClure Engineering, Inc. 1008 WOODCREEK DRIVE SUITE 103 COLLEGE STATION, TEXAS 77845 (979) 693-3838 CERTIFICATION I, Michael R. McClure, Registered Professional Engineer No. 32740, State of Texas, certify that the revisions contained in this report to the drainage design for the LOTS 18-R & 19-R, BLOCK 18 of SOUTHWOOD VALLEY SECTION, SECTION 4-B, were prepared by me in accordance with the provisions of the City of College Station Drainage Policy and Design Standards for the owners thereof DRAINAGE REPORT /q4¥f;r-tL-z/aA3 Michael R. McClure, P.E. No. 32740 _.,..,,,,,, --~~ OF rl2. \\ -,L ?-•••••••••• -r .... '• ;'0\··· * ... 'IS' • I .· ··. * ,,, tt*: ···~ ~.!!.: ............................. "ff: l .. Ml.9J:IA.§h.B~M~2hV.~~·J '~d·· ~ 327 40 Q /ft} 1ta~;_·.f.g1sT~~~··~~ ''''-S's ••••••• ~v- \ /ONAL 'Y::.--:\o.'~- INTRODUCTION LOCATION DESCRIPTION DRAINAGE BASIN TABLE OF CONTENTS STORM DRAIN DESIGN CRITERIA STORM DRAIN SYSTEM DESIGN DETENTION POND DESIGN CONCLUSION TABLE OF EXHIBITS EXCERPT FROM FLOOD INSURANCE RATE MAP EXISTING CONDITION DRAINAGE AREA MAP PROPOSED CONDITION DRAINAGE AREA MAP RATIONAL METHOD CALCULATIONS DETENTION POND #1 ROUTING DETENTION POND #2 ROUTING COMBINED DRAINAGE CALCULATIONS COMBINED DRAINAGE HYDROGRAPHS STAGE/STORAGE AND STAGE/DISCHARGE CURVES FOR DETENTION POND #1 STAGE/STORAGE AND ST AGE/DISCHARGE CURVES FOR DETENTION POND #2 DRAINAG E REPORT Lot I 8R & 19R, Block 18, So uthwood Valley Section 4-B College Station, Texas 1 1 2 2 3 3 5 A B-1 B-2 C-1 D-1 D-2 D-3 E-1 F-1 F-2 PAGE I INTRODUCTION: STORM DRAINAGE REPORT Lot 18R & 19R, Block 18 Southwood Valley Section 4-B College Station, Texas This study is intended to describe the effects upon the drainage system that result from the development of Lots 18R and 19R, Block 18, Southwood Valley Section 4-B. It compares the existing and proposed conditions to show that improvements associated with the development do not cause adverse impacts on downstream properties. LOCATION: The site is located in southern College Station, near the intersection of Ponderosa Drive and Longmire Drive. The site is bounded by Ponderosa Drive to the south, Longmire Drive to the west, property owned by Securcare Properties X Ltd. to the north, and property owned by Davis and Thelma McGill to the east. DESCRIPTION: The proposed site for the development covers 2. 734 acres. It is currently pastureland that is covered with brush and native grass. The land slopes generally northward and is drained by a tributary of Foxfire Creek. DRAINAGE REPORT Lot I 8R & I 9R, Block 18, Southwood Valley Section 4-B College Station , Texas PAGE 2 DRAINAGE BASIN: The site lies in the drainage basin of Foxfire Creek, which is a tributary of Carters Creek. No part of the site is located in a 100-Year Flood Hazard Area according to the Flood Insurance Rate Maps for Brazos County, Texas and Incorporated Areas, Map No. 48041C205 C effective July 2, 1992 as prepared by the Federal Emergency Management Agency (See Exhibit A). STORM DRAIN DESIGN CRITERIA: The proposed drainage system is designed in accordance with the City of College Station Drainage Policy and Design Standards (DPDS). The design storm for the underground system is a 10-year event, and flow calculations are based on the Rational Method. Pipe sizes were determined from Manning's Equation using an "n" of 0.014. STORM DRAIN SYSTEM DESIGN: Storm water from the proposed development will be captured in the parking lot curbs and conveyed to curb openings that drain into the detention areas. Storm water from Lot 18R and a portion of Lot 19R is conveyed to detention pond #I. Detention pond #2 is used to meter a portion of the storm water falling on Lot 19R. Exhibit C-1 gives the runoff calculations for the drainage areas in Exhibits B-1 and B-2. All computations use the parameters provided in the DPDS. DETENTION POND DESIGN: Proposed detention pond # 1 is located in the northern corner of the property. It consists of an earthen berm and a concrete flume along the northwestern property boundary. The outlet for this DRAINAGE REPORT Lot J 8R & I 9R, Block 18, Southwood Valley Section 4-B CoUege Station, Texas PAGE3 pond is a 15" RCP pipe. The pond discharges into an existing creek along the northeastern property boundary of the site. Proposed detention pond #2 is located southeast of the proposed building on lot 19-R. It consists of earthen walls and two sloped headwalls. The average height of the wall is 2.0'. The outlet for this pond is a 1 O" HDPE pipe that discharges into the same creek upstream of detention pond #1. Each pond was modeled for the 5, 10, 25 , 50, and 100 year storm events. The hydrologic analysis of the drainage system is shown in Exhibits D-1 through D-3. Exhibit D-1 shows the hydraulic routing for detention pond # 1. Exhibit D-2 shows hydraulic routing for detention pond #2, and Exhibit D-3 shows the combination of all proposed drainage areas at point "A'', shown on Exhibit B-2. A summary of the combined drainage effects is shown below: Detention Detention Event Pond #1 Pond #1 Flowrate Elevation 5 year 4.38 cfs 285.73 ' 10 year 4.56 cfs 285.83 ' 25 year 4.81 cfs 285.97' 50 year 4.96 cfs 286.06' 100 year 5.10 cfs 286.15' DRAINAGE REPORT Lot 18R & 19R, Block 18, Southwood Valley Section 4-8 College Station. Texas Detention Detention Pond #2 Pond #2 Flowrate Elevation 2.60 cfs 287.88' 2.77 cfs 288.02' 2.92 cfs 288.16' 3.07 cfs 288.31 ' 3.23 cfs 288.47' Combined Existing Post Development Condition Flowrate Flowrate 7.27 cfs 8.27 cfs 7.65 cfs 9.29 cfs 8.06 cfs 10.61 cfs 8.42 cfs 11.99 cfs 8.75 cfs 13.47 cfs Table I PAGE 4 CONCLUSION: The post-development flowrate is reduced to a level slightly less than the pre-development flowrate for the 5, 10, 25, 50, and 100-year events. The 100-year event is contained in the ponds and released through the pond outlet devices. The drainage design for this site meets the requirements as stated in the City of College Station Drainage Policy and Design Standards. DRAINAGE REPO RT Lot I 8R & I 9R, Block 18, Southwood Valley Section 4·B College Station. Texas PAGE 5 A l I '" ZONE X ' a "'Ci1.y of C11lk:gc Statiou -) 4800)13 ~ ~ Cit y of College Stati on 480083 EXHIBIT A Flood Insurance Rote Mop Excerpt Brazos County. Texas and Incorporated Areas Mop Numbers: 48041 C0205C Effective Dote: July 2, 1992 0 < ~ w c 0 c::: w ...J ...J < < a. < LL w w 0 j:: I-c (.') c::: ...J z < z < w z w u 5~ < w z ...J > c :E ...J < W< w < c::: (.') ~ Ci) I-cw > I-Wz 0 z c::: w < 0 >w c I-::> < c::: a. I-0 ...J NO. AC. 0.4 0.55 0.9 ft. Ex-1 0.04 0.04 0.00 0.00 0.02 82.0 Ex-2 2.69 2.69 0.00 0.00 1.08 380.0 1 0.75 0.05 0.00 0.70 0.65 1.0 2 0.51 0.51 0.00 0.00 0.20 160.0 3 0.47 0.12 0.00 0.35 0.36 50.0 4 0.83 0.00 0.00 0.83 0.75 50.0 5 0.17 0.17 0.00 0.00 0.07 120.0 EXHIBIT C-1 Rational Formula Drainage Area Calculations SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 ~ 0 ~ ~ ...J LL 0 0 c ...J ...J z LL LL ~ 5 c::: :I: c::: u w I-w u I-u c::: ...J ~ (.') ~ ...J 0 I- ..!:! w ...J ::> z ::> ...J ...J w >< w la rn N It) 0 LL (.') ~ (.') ~ > u ::> ~ 0 It) 0 ft. ft. ft. ft/s min min In/Hr cfs In/Hr cfs 1.5 1.0 1.0 1.0 1.4 5.0 8.22 0.1 9.9 0.2 4.0 156.0 2.0 0.9 9.9 9.9 6.36 6.8 7.7 8.3 1.0 315.0 2.5 1.8 3.0 5.0 8.22 5.4 9.9 6.4 2.5 60.0 1.0 1.1 3.4 5.0 8.22 1.7 9.9 2.0 0.5 400.0 6.0 1.9 3.9 5.0 8.22 3.0 9.9 3.6 0.5 320.0 4.0 1.7 3.6 5.0 8.22 6.1 9.9 7.4 2.0 1.0 1.0 0.9 2.2 5.0 8.22 0.6 9.9 0.7 0 It) 0 .... It) N .... 0 N 0 In/Hr cfs In/Hr cfs 11 .0 0.2 12.5 0.2 8.7 9.3 9.9 10.7 11.0 7.1 12.5 8.1 11 .0 2.2 12.5 2.6 11 .0 4.0 12.5 4.5 11.0 8.2 12.5 9.3 11.0 0.7 12.5 0.9 0 It) In/Hr 14.1 11 .2 14.1 14.1 14.1 14.1 14.1 0 0 0 0 It) 0 .... 0 :!:: 0 cfs In/Hr cfs 0.2 15.8 0.3 12.1 12.6 13.5 9.2 15.8 10.3 2.9 15.8 3.2 5.1 15.8 5.7 10.5 15.8 11 .8 1.0 15.8 1.1 1/21/2003 0117-dra2.xls Exhibit C-1 D.A. I D.A.I 'It .c a. f Cl E .., ~ -N Qo 6.4 2.0 Tc 6.0 6.0 inc 1.0 2.0 Time cfs 0.0 0.0 0.0 1.0 1.3 0.4 2.0 2.6 0.8 3.0 3.8 1.2 4.0 5.1 1.6 5.0 6.4 2.0 6.0 5.8 1.8 7.0 5.1 1.6 8.0 4.5 1.4 9.0 3.8 1.2 10.0 3.2 1.0 11.0 2.6 0.8 12.0 1.9 0.6 13.0 1.3 0.4 14.0 0.6 0.2 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 2a.a a.a 0.0 21.a a.a o.a 22.0 0.0 a.o 23.a o.a a.a 24.a a.a a.a 25.a 0.0 a.a 26.a o.a a.a 27.a o.a a.a 28.0 a.a o.a 29.a o.a a.o 30.0 o.a o.a 31.a a.o o.a 32.0 0.0 o.a 33.a o.a a.a 34.a o.a a.a 35.a a.o a.a 36.a a.a a.a 37.a a.a 0.0 38.a a.a a.a 39.0 o.a a.a 40.a a.a o.a 41.a a.o a.a 42.a o.a a.a 43.a o.a a.a 44.a a.a a.a 45.0 a.a 0.0 46.a a.a a.o 47.0 o.a o.a 48.a a.a o.a 49.a a.a a.a so.a a.a a.a 51.a o.a a.a 52.a a.a a.a 53.0 a.a 0.0 54.a a.a o.a 55.a o.a a.a 56.a o.a a.a 57.a a.a o.a 58.a a.a o.a 59.0 o.a a.a 60.a a.o 0.0 61.a 0.0 a.a 62.a a.a a.a 63.0 0.0 a.a 64.a a.o o.a PEAK FLOWS I 6.41 2.01 0. 00 indicates in ital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A.# D.A.# Pond Routina EVENT= 6 c 0 ~ w c c z 0 iii + a .., ~ ... + :i: c .., + 0 + i"il c c g.!! (/) .., u c N N a ll.W 3.6 6.0 1.0 els cfs els cfs cfs els tt 0.0 0.0 2.40 0.00 0.00 0.00 284.00 0.7 2.4 7.20 0.00 2.40 1.55 284.38 1.4 4.8 11.99 2.64 7.20 2.28 284.66 2.1 7.2 16.79 9.15 14.63 2.74 284.96 2.9 9.6 21.59 19.73 25.94 3.11 285.13 3.6 12.0 22.79 34.21 41.32 3.55 285.32 3.2 10.8 20.39 49.03 57.00 3.99 285.51 2.9 9.6 17.99 61.18 69.42 4.12 285.59 2.5 8.4 15.59 70.71 79.17 4.23 285.65 2.1 7.2 13.19 77.68 86.30 4.31 285.69 1.8 6.0 10.80 82.16 90.88 4.36 285.72 1.4 4.8 8.40 84.19 92.95 4.38 285.73 1.1 3.6 6.00 83.82 92.58 4.38 285.73 0.7 2.4 3.60 81.13 89.82 4.35 285.71 0.4 1.2 1.20 76.14 84.72 4.29 285.68 0.0 0.0 0.00 68.92 77.34 4.21 285.63 0.0 0.0 0.00 60.69 68.92 4.12 285.58 0.0 0.0 0.00 52.63 60.69 4.03 285.53 0.0 0.0 0.00 44.87 52.63 3.88 285.46 0.0 o.a a.oo 37.55 44.87 3.66 285.37 0.0 a.a 0.00 30.66 37.55 3.44 285.27 a.a a.a a.oo 24.18 3a.66 3.24 285.19 a.a a.o 0.00 18.a7 24.18 3.06 285.11 a.a a.a a.oo 12.31 18.a7 2.88 285.a3 a.a a.a a.oo 7.12 12.31 2.60 284.86 o.a a.a a.oo 2.57 7.12 2.28 284.66 a.a a.a a.oo a.oo 2.57 1.66 284.41 0.0 a.a a.oo a.oo a.oo a.oo 284.00 a.o a.a a.oo a.oo a.oo a.oo 284.00 a.a a.o a.oo a.oo a.oo a.oo 284.00 o.a o.a a.oo 0.00 0.00 a.oo 284.00 0.0 a.a a.oo a.oo a.oo a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo 0.00 a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 o.a a.a 0.00 a.oo a.oo a.oo 284.00 o.a a.o 0.00 a.oo a.oo a.oo 284.00 a.a a.o a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 0.0 0.0 a.oo 0.00 0.00 a.oo 284.00 a.a a.a a.oo a.oo 0.00 a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 o.a o.a a.oo a.oo a.oo a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo 0.00 a.oo a.oo 284.00 a.o a.a a.oo a.oo 0.00 a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo 0.00 a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 a.a a.o a.oo 0.00 0.00 a.oo 284.00 0.0 a.a a.oo a.oo 0.00 a.oo 284.00 o.a a.a a.oo a.oo 0.00 a.oo 284.00 a.a a.a 0.00 a.oo a.oo a.oo 284.00 a.a a.a a.oo a.oo a.oo a.oo 284.00 o.a a.a a.oo a.oo a.oo a.oo 284.00 3.68 11.99 4.38 286.73 0 w (/) _, 0 <"-.... 0 oa:: .... ll. els 0.00 1.55 2.28 2.74 3.11 3.55 3.99 4.12 4.23 4.31 4.36 4.38 4.38 4.35 4.29 4.21 4.12 4.03 3.88 3.66 3.44 3.24 3.06 2.88 2.60 2.28 1.66 0.00 a.oo a.oo 0.00 0.00 a.oo a.oo 0.00 0.00 0.00 a.oo a.oo 0.00 0.00 a.oo a.oo 0.00 0.00 a.oo a.oo 0.00 0.00 a.oo a.oo a.oo a.oo 0.00 0.00 a.oo a.oo a.oo a.oo a.oo 0.00 a.oo 0.00 a.oo 0.00 4.38 a117-0ra2.xls Exllibit D-1 D.A.f D.A. I • .c 0. I! ~ .,, ~ -... Qp 7.1 2.2 Tc 6.0 6.0 inc 1.0 2.0 Time cfs 0.0 0.0 0.0 1.0 1.4 0.4 2.0 2.9 0.9 3.0 4.3 1.3 4.0 5.7 1.8 5.0 7.1 2.2 6.0 6.4 2.0 7.0 5.7 1.8 8.0 5.0 1.6 9.0 4.3 1.3 10.0 3.6 1.1 11.0 2.9 0.9 12.0 2.1 0.7 13.0 1.4 0.4 14.0 0.7 0.2 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 0.0 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS I 7.14 2.24 0.00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A.f D.A. I Pond Routlna EVEN Tc 10 c a a w ~ c c z 0 iD + a ., t; + ~~ :E c + + c 0 115 VJ a .., u c ... ... o..w 4.0 6.0 1.0 cfs cfs cfs cfs cfs cfs It 0.0 0.0 2.67 0.00 0.00 0.00 284.00 0.8 2.7 8.02 0.00 2.67 1.73 284.43 1.6 5.3 13.37 3.36 8.02 2.33 284.69 2.4 8.0 18.72 11.05 16.73 2.84 285.01 3.2 10.7 24.07 23.33 29.77 3.22 285.18 4.0 13.4 25.40 39.94 47.40 3.73 285.40 3.6 12.0 22.73 57.19 65.34 4.08 285.56 3.2 10.7 20.06 71.44 79.92 4.24 285.65 2.8 9.4 17.38 82.76 91.49 4.37 285.72 2.4 8.0 14.71 91.22 100.14 4.46 285.77 2.0 6.7 12.03 96.87 105.92 4.53 285.81 1.6 5.3 9.36 99.79 108.90 4.56 285.83 1.2 4.0 6.69 100.02 109.14 4.56 285.83 0.8 2.7 4.01 97.64 106.71 4.53 285.82 0.4 1.3 1.34 92.69 101.65 4.48 285.78 0.0 0.0 0.00 85.24 94.03 4.39 285.74 0.0 0.0 0.00 76.64 85.24 4.30 285.68 0.0 0.0 0.00 68.24 76.64 4.20 285.63 0.0 0.0 0.00 60.02 68.24 4.11 285.58 0.0 0.0 0.00 51.98 60.02 4.02 285.53 0.0 0.0 0.00 44.25 51.98 3.86 285.45 0.0 0.0 0.00 36.97 44.25 3.64 285.36 0.0 0.0 0.00 30.12 36.97 3.43 285.27 0.0 0.0 0.00 23.66 30.12 3.23 285.18 0.0 0.0 0.00 17.58 23.66 3.04 285.10 0.0 0.0 0.00 11.86 17.58 2.86 285.02 0.0 0.0 0.00 6.72 11.86 2.57 284.85 0.0 0.0 0.00 2.22 6.72 2.25 284.64 0.0 0.0 0.00 0.00 2.22 1.43 284.35 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 3.99 13.37 4.66 286.83 a w VJ _,o <(O.. ,_o 0 °" >-0.. cfs 0.00 1.73 2.33 2.84 3.22 3.73 4.08 4.24 4.37 4.46 4.53 4.56 4.56 4.53 4.48 4.39 4.30 4.20 4.11 4.02 3.86 3.64 3.43 3.23 3.04 2.86 2.57 2.25 1.43 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.66 0117-<lra2.xls ExtiibitD-1 D.A.f D.A. # • .c c. I! "' e " ~ -"' Qo 8.1 2.6 Tc 6.0 6.0 inc 1.0 2.0 Time cfs 0.0 0.0 0.0 1.0 1.6 0.5 2.0 3.3 1.0 3.0 4.9 1.5 4.0 6.5 2.0 5.0 8.1 2.6 6.0 7.3 2.3 7.0 6.5 2.0 8.0 5.7 1.8 9.0 4.9 1.5 10.0 4.1 1.3 11.0 3.3 1.0 12.0 2.4 0.8 13.0 1.6 0.5 14.0 0.8 0.3 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 0.0 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS I 8.14 2.66 0.00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A.f D.A. # Pond Routing EVENT= 26 c: 0 a w ~ c: c: z 0 iii + a " ~ .,. + :IE c: " + 0 + iii c: c: S..! c VJ .., u "' "' a Q. w 4.6 6.0 1.0 cfs cfs cf• cfs cfs cfs ft 0.0 0.0 3.05 0.00 0.00 0.00 264.00 0.9 3.0 9.14 0.00 3.05 1.97 264.48 1.8 6.1 15.23 4.33 9.14 2.40 264.74 2.7 9.1 21.32 13.72 19.56 2.92 285.05 3.6 12.2 27.41 28.29 35.04 3.37 285.24 4.5 15.2 28.93 47.76 55.70 3.97 285.50 4.1 13.7 25.89 68.29 76.69 4.20 285.63 3.6 12.2 22.64 85.38 94.17 4.40 285.74 3.2 10.7 19.79 99.12 108.22 4.55 285.82 2.7 9.1 16.75 109.57 118.91 4.67 285.89 2.3 7.6 13.70 116.82 126.32 4.75 285.94 1.8 6.1 10.66 120.92 130.52 4.80 285.96 1.4 4.6 7.61 121.96 131.58 4.81 285.97 0.9 3.0 4.57 120.00 129.58 4.79 285.96 0.5 1.5 1.52 115.10 124.57 4.73 285.93 0.0 0.0 0.00 107.34 116.63 4.64 285.88 0.0 0.0 0.00 98.25 107.34 4.54 285.82 0.0 0.0 0.00 89.37 98.25 4.44 285.76 0.0 0.0 0.00 80.68 89.37 4.34 285.71 0.0 0.0 0.00 72.19 80.68 4.25 285.65 0.0 0.0 0.00 63.88 72.19 4.15 285.60 0.0 0.0 0.00 55.76 63.88 4.06 285.55 0.0 0.0 0.00 47.82 55.76 3.97 285.50 0.0 0.0 0.00 40.33 47.82 3.74 285.40 0.0 0.0 0.00 33.28 40.33 3.53 285.31 0.0 0.0 0.00 26.64 33.28 3.32 285.22 0.0 0.0 0.00 20.39 26.64 3.13 285.14 0.0 0.0 0.00 14.50 20.39 2.94 285.06 0.0 0.0 0.00 9.03 14.50 2.73 264.95 0.0 0.0 0.00 4.24 9.03 2.39 264.73 0.0 0.0 0.00 0.05 4.24 2.10 264.54 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 0.0 0.0 0.00 0.05 0.05 0.00 264.00 4.64 16.23 4.81 286.97 0 w VJ _.o <( Q. t-0 0 0:: .... Q. cfs 0.00 1.97 2.40 2.92 3.37 3.97 4.20 4.40 4.55 4.67 4.75 4.80 4.81 4.79 4.73 4.64 4.54 4.44 4.34 4.25 4.15 4.06 3.97 3.74 3.53 3.32 3.13 2.94 2.73 2.39 2.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.81 0117-<lra2.x!s Exhibit D-1 D.A.# D.A. # • .c a. I! "' e " ~ -"' Qo 9.2 2.9 Tc 6.0 6.0 inc 1.0 2.0 Time cfs 0.0 0.0 0.0 1.0 1.8 0.6 2.0 3.7 1.2 3.0 5.5 1.7 4.0 7.3 2.3 5.0 9.2 2.9 6.0 8.3 2.6 7.0 7.3 2.3 8.0 6.4 2.0 9.0 5.5 1.7 10.0 4.6 1.4 11.0 3.7 1.2 12.0 2.8 0.9 13.0 1.8 0.6 14.0 0.9 0.3 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 00 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 00 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS 9.17 2.88 0. 00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A.# D.A. # Pond Routina EVENT= 60 c 0 a w ~ c z c 0 iii + a " ~ ~ + :E c + + c s .!! 0 ii5 Ill a .., 0 = "' "' 0.. w 6.1 6.0 1.0 cfs els cfs cfs cfs cfs ft 0.0 0.0 3.43 0.00 0.00 0.00 284.00 1.0 3.4 10.30 0.00 3.43 2.05 284.51 2.0 6.9 17.16 5.35 10.30 2.47 284.78 3.1 10.3 24.03 16.50 22.52 3.01 285.08 4.1 13.7 30.89 33.47 40.53 3.53 285.31 5.1 17.2 32.61 56.23 64.37 4.07 285.55 4.6 15.4 29.18 80.17 88.84 4.34 285.70 4.1 13.7 25.75 100.22 109.35 4.56 285.83 3.6 12.0 22.31 116.47 125.96 4.75 285.93 3.1 10.3 18.88 129.03 138.78 4.88 286.01 2.6 8.6 15.45 138.06 147.91 4.92 286.04 2.0 6.9 12.01 143.60 153.51 4.95 286.06 1.5 5.1 8.58 145.69 155.62 4.96 286.06 1.0 3.4 5.15 144.36 154.27 4.96 286.06 0.5 1.7 1.72 139.64 149.51 4.93 286.04 0.0 0.0 0.00 131.58 141.36 4.89 286.02 0.0 0.0 0.00 121.96 131.58 4.81 285.97 0.0 0.0 0.00 112.55 121.96 4.70 285.91 0.0 0.0 0.00 103.35 112.55 4.60 285.85 0.0 00 0.00 94.36 103.35 4.50 285.79 0.0 0.0 0.00 85.56 94.36 4.40 285.74 0.0 0.0 0.00 76.96 85.56 4.30 285.68 0.0 0.0 0.00 68.55 76.96 4.21 285.63 0.0 0.0 0.00 60.32 68.55 4.11 285.58 0.0 0.0 0.00 52.28 60.32 4.02 285.53 0.0 0.0 0.00 44.53 52.28 3.87 285.46 0.0 0.0 0.00 37.24 44.53 3.65 285.36 0.0 0.0 0.00 30.37 37.24 3.44 285.27 0.0 0.0 0.00 23.90 30.37 3.24 285.18 0.0 0.0 0.00 17.80 23.90 3.05 285.10 0.0 0.0 0.00 12.06 17.80 2.87 285.03 0.0 0.0 0.00 6.90 12.06 2.58 284.85 0.0 0.0 0.00 2.37 6.90 2.26 284.65 0.0 0.0 0.00 0.00 2.37 1.53 284.38 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 0.0 0.0 0.00 000 0.00 0.00 284.00 0.0 0.0 0.00 0.00 0.00 0.00 284.00 6.12 17.16 U6 286.06 0 w Ill _,o "' 0.. 1-0 oa:: 1-0.. els 0.00 2.05 2.47 3.01 3.53 4.07 4.34 4.56 4.75 4.88 4.92 4.95 4.96 4.96 4.93 4.89 4.81 4.70 4.60 4.50 4.40 4.30 4.21 4.11 4.02 3.87 3.65 3.44 3.24 3.05 2.87 2.58 2.26 1.53 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 U6 0117-dra2.xls El<tlibitD-1 D.A. # D.A. # • .c a. I! "' 2 .., ~ -N Qp 10.3 3.2 Tc 6.0 6.0 inc 1.0 2.0 Time els 0.0 0.0 0.0 1.0 2.1 0.6 2.0 4.1 1.3 3.0 6.2 1.9 4.0 8.2 2.6 5.0 10.3 3.2 6.0 9.2 2.9 7.0 8.2 2.6 8.0 7.2 2.3 9.0 6.2 1.9 10.0 5.1 1.6 11.0 4.1 1.3 12.0 3.1 1.0 13.0 2.1 0.6 14.0 1.0 0.3 15.0 0.0 0.0 16.0 0.0 0.0 17.0 0.0 0.0 18.0 0.0 0.0 19.0 0.0 0.0 20.0 0.0 0.0 21.0 0.0 0.0 22.0 0.0 0.0 23.0 0.0 0.0 24.0 0.0 0.0 25.0 0.0 0.0 26.0 0.0 0.0 27.0 0.0 0.0 28.0 0.0 0.0 29.0 0.0 0.0 30.0 0.0 0.0 31.0 0.0 0.0 32.0 0.0 0.0 33.0 0.0 0.0 34.0 0.0 0.0 35.0 0.0 0.0 36.0 0.0 0.0 37.0 0.0 0.0 38.0 0.0 0.0 39.0 0.0 0.0 40.0 0.0 0.0 41.0 0.0 0.0 42.0 0.0 0.0 43.0 0.0 0.0 44.0 0.0 0.0 45.0 0.0 0.0 46.0 0.0 0.0 47.0 0.0 0.0 48.0 0.0 0.0 49.0 0.0 0.0 50.0 0.0 0.0 51.0 0.0 0.0 52.0 0.0 0.0 53.0 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 56.0 0.0 0.0 57.0 0.0 0.0 58.0 0.0 0.0 59.0 0.0 0.0 60.0 0.0 0.0 61.0 0.0 0.0 62.0 0.0 0.0 63.0 0.0 0.0 64.0 0.0 0.0 PEAK FLOWS I 10.27 3.22 0.00 indicates inital condition EXHIBIT "D-1" PROPOSED DETENTION POND #1 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. I D.A.I Pond Routina EVENT= 100 c c a w ~ c z c 0 iii + a .., ~ .,. + :i;: c .., + + c 5.!! 0 iil II) c .., (.) c N N a Q. w 6.7 6.0 1.0 els els els els els els l't 0.0 0.0 3.64 0.00 0.00 0.00 264.00 1.1 3.8 11.53 0.00 3.84 2.07 264.53 2.3 7.7 19.21 6.43 11.53 2.55 264.83 3.4 11.5 26.90 19.45 25.64 3.10 285.12 4.6 15.4 34.58 38.95 46.35 3.70 285.38 5.7 19.2 36.51 65.20 73.53 4.17 285.61 5.2 17.3 32.66 92.74 101.70 4.48 285.78 4.6 15.4 28.82 115.92 125.41 4.74 285.93 4.0 13.4 24.98 134.93 144.74 4.91 286.03 3.4 11.5 21.13 149.93 159.90 4.99 286.08 2.9 9.6 17.29 160.98 171.07 5.04 286.12 2.3 7.7 13.45 168.12 178.28 5.08 286.14 1.7 5.8 9.61 171.37 181.57 5.10 286.15 1.1 3.8 5.76 170.79 180.98 5.09 286.15 0.6 1.9 1.92 166.41 176.56 5.07 286.14 0.0 0.0 0.00 158.28 168.33 5.03 286.11 0.0 0.0 0.00 148.32 158.28 4.98 286.07 0.0 0.0 0.00 138.47 148.32 4.93 286.04 0.0 0.0 0.00 128.72 138.47 4.88 286.01 0.0 0.0 0.00 119.16 128.72 4.78 285.95 0.0 0.0 0.00 109.82 119.16 4.67 285.89 0.0 0.0 0.00 100.68 109.82 4.57 285.83 0.0 0.0 0.00 91.74 100.68 4.47 285.78 0.0 0.0 0.00 83.00 91.74 4.37 285.72 0.0 0.0 0.00 74.46 83.00 4.27 285.67 0.0 0.0 0.00 66.10 74.46 4.18 285.62 0.0 0.0 0.00 57.93 66.10 4.09 285.56 0.0 0.0 0.00 49.94 57.93 4.00 285.51 0.0 0.0 0.00 42.33 49.94 3.80 285.43 0.0 0.0 0.00 35.16 42.33 3.58 285.33 0.0 0.0 0.00 28.41 35.16 3.37 285.24 0.0 0.0 0.00 22.06 28.41 3.18 285.16 0.0 0.0 0.00 16.07 22.06 2.99 285.08 0.0 0.0 0.00 10.43 16.07 2.82 285.00 0.0 0.0 0.00 5.47 10.43 2.48 264.79 0.0 0.0 0.00 1.12 5.47 2.17 264.59 0.0 0.0 0.00 0.00 1.12 0.72 264.18 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 000 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 0.0 0.0 0.00 0.00 0.00 0.00 264.00 6.73 19.21 6.10 286.16 c w II) -' 0 c( Q. 1-0 Oct: .... Q. els 0.00 2.07 2.55 3.10 3.70 4.17 4.48 4.74 4.91 4.99 5.04 5.08 5.10 5.09 5.07 5.03 4.98 4.93 4.88 4.78 4.67 4.57 4.47 4.37 4.27 4.18 4.09 4.00 3.80 3.58 3.37 3.18 2.99 2.82 2.48 2.17 0.72 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.10 0117-dra2.lds Exhibit D-1 D.A. # .&:; c. !! E ,, ~ .. .. Qp 7.4 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 1.5 2.0 2.9 3.0 4.4 4.0 5.9 5.0 7.4 6.0 6.6 7.0 5.9 6.0 5.2 9.0 4.4 10.0 3.7 11.0 2.9 12.0 2.2 13.0 1.5 14.0 0.7 15.0 0.0 16.0 0.0 17.0 0.0 16.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 26.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 36.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 7.4 0.00 indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # Pond Routing EVENT= 5 c c a w + c z c ~ 0 iii t; a ., 8 + ~ t; t; gj Cl) c N N a 0.. w cfs cfs cfs cfs cfs ft 0.0 1.47 0.00 0.00 0.00 266.35 1.5 4.42 0.90 1.47 0.26 266.55 2.9 7.36 3.65 5.32 0.74 266.72 4.4 10.30 6.35 11.21 1.43 266.97 5.9 13.25 15.34 16.66 1.66 267.13 7.4 13.96 24.60 26.56 1.69 267.32 6.6 12.51 34.52 36.76 2.13 267.51 5.9 11.04 42.45 47.03 2.29 267.64 5.2 9.57 46.65 53.49 2.42 267.74 4.4 6.09 53.19 56.21 2.51 267.61 3.7 6.62 56.14 61.26 2.57 267.66 2.9 5.15 57.56 62.76 2.60 267.66 2.2 3.66 57.51 62.71 2.60 267.66 1.5 2.21 56.05 61.19 2.57 267.66 0.7 0.74 53.23 56.25 2.51 267.61 0.0 0.00 49.11 53.96 2.43 267.74 0.0 0.00 44.44 49.11 2.33 267.67 0.0 0.00 39.96 44.44 2.24 267.59 0.0 0.00 35.65 39.96 2.15 267.53 0.0 0.00 31.53 35.65 2.06 267.45 0.0 0.00 27.61 31.53 1.96 267.37 0.0 0.00 23.67 27.61 1.67 267.30 0.0 0.00 20.31 23.67 1.76 267.23 0.0 0.00 16.91 20.31 1.70 267.16 0.0 0.00 13.67 16.91 1.62 267.10 0.0 0.00 10.59 13.67 1.54 267.03 0.0 0.00 7.66 10.59 1.35 266.95 0.0 0.00 5.61 7.66 1.04 266.63 0.0 0.00 4.22 5.81 0.79 266.74 0.0 0.00 3.01 4.22 0.61 266.67 0.0 0.00 2.06 3.01 0.47 266.62 0.0 0.00 1.37 2.08 0.36 286.56 0.0 0.00 0.82 1.37 0.27 266.55 0.0 0.00 0.40 0.82 0.21 266.52 0.0 0.00 0.06 0.40 0.16 266.50 0.0 0.00 0.01 0.08 0.04 266.39 0.0 0.00 0.00 0.01 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 7.4 2.8 287.88 c w Cl) ..... 0 .: ~ ~f cfs 0.00 0.26 0.74 1.43 1.66 1.69 2.13 2.29 2.42 2.51 2.57 2.60 2.60 2.57 2.51 2.43 2.33 2.24 2.15 2.06 1.96 1.67 1.76 1.70 1.62 1.54 1.35 1.04 0.79 0.61 0.47 0.36 0.27 0.21 0.16 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.8 0117-<lra2.xls Exhibtt D-2 D.A. # .c a. !! 8' -0 ~ .. ... Qo 8.2 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 1.6 2.0 3.3 3.0 4.9 4.0 6.6 5.0 8.2 6.0 7.4 7.0 6.6 8.0 5.7 9.0 4.9 10.0 4.1 11.0 3.3 12.0 2.5 13.0 1.6 14.0 0.8 15.0 0.0 16.0 0.0 17.0 0.0 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 8.2 0.00 indicates inital cond~ion EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # Pond Routlna EVENT= 10 c: 0 a w + z c: ~ c: iii + a ~ ::E c: ~ i i "O Oi + c: > 8 Ill 0 .!! c: "' "' a IL W cfs els cfs cfs cfs ft 0.0 1.64 0.00 0.00 0.00 286.35 1.6 4.92 1.03 1.64 0.30 286.56 3.3 8.20 4.33 5.95 0.81 286.74 4.9 11.48 9.50 12.54 1.52 287.01 6.6 14.77 17.56 20.99 1.71 287.17 8.2 15.59 28.36 32.32 1.98 287.39 7.4 13.94 39.49 43.95 2.23 287.59 6.6 12.30 48.59 53.43 2.42 287.73 5.7 10.66 55.77 60.90 2.57 287.85 4.9 9.02 61.08 66.43 2.67 287.94 4.1 7.38 64.61 70.11 2.75 287.99 3.3 5.74 66.46 72.00 2.77 288.02 2.5 4.10 66.65 72.20 2.77 288.02 1.6 2.46 65.24 70.76 2.76 288.00 0.8 0.82 62.30 67.70 2.70 287.96 0.0 0.00 57.91 63.12 2.61 287.89 0.0 0.00 52.89 57.91 2.51 287.80 0.0 0.00 48.08 52.89 2.41 287.73 0.0 0.00 43.45 48.08 2.31 287.65 0.0 0.00 39.01 43.45 2.22 287.58 0.0 0.00 34.74 39.01 2.13 287.51 0.0 0.00 30.67 34.74 2.04 287.43 0.0 0.00 26.78 30.67 1.94 287.36 0.0 0.00 23.08 26.78 1.85 287.28 0.0 0.00 19.56 23.08 1.76 287.21 0.0 0.00 16.19 19.56 1.68 287.15 0.0 0.00 12.99 16.19 1.60 287.08 0.0 0.00 9.94 12.99 1.53 287.02 0.0 0.00 7.38 9.94 1.28 286.92 0.0 0.00 5.43 7.38 0.98 286.81 0.0 0.00 3.93 5.43 0.75 286.72 0.0 0.00 2.79 3.93 0.57 286.66 0.0 0.00 1.91 2.79 0.44 286.61 0.0 0.00 1.24 1.91 0.34 286.57 0.0 0.00 0.72 1.24 0.26 286.54 0.0 0.00 0.33 0.72 0.20 286.52 0.0 0.00 0.03 0.33 0.15 286.50 0.0 0.00 0.00 0.03 0.01 286.36 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 8.2 2.8 288.02 0 w Ill ....I 0 < IL t-0 0 a: t-IL cfs 0.00 0.30 0.81 1.52 1.71 1.98 2.23 2.42 2.57 2.67 2.75 2.77 2.77 2.76 2.70 2.61 2.51 2.41 2.31 2.22 2.13 2.04 1.94 1.85 1.76 1.68 1.60 1.53 1.28 0.98 0.75 0.57 0.44 0.34 0.26 0.20 0.15 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.8 0117-dra2.xls Exhibit 0-2 D.A. # .t::; Q. I!'! ~ ~ .. ... Qp 9.3 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 1.9 2.0 3.7 3.0 5.6 4.0 7.5 5.0 9.3 6.0 8.4 7.0 7.5 8.0 6.5 9.0 5.6 10.0 4.7 11.0 3.7 12.0 2.8 13.0 1.9 14.0 0.9 15.0 0.0 16.0 0.0 17.0 0.0 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 9.3 0.00 indicates inital condttion EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 D.A. # Pond Routing EVENT= 25 c c a w ~ c z c 0 iii ~ a :;::; ::E ~ ! ~ 81 8 ! iii ,,, N N a.. w cfs cfs cfs cfs cfs ft 0.0 1.87 0.00 0.00 0.00 286.35 1.9 5.61 1.21 1.87 0.33 286.57 3.7 9.34 4.99 6.81 0.91 286.78 5.6 13.08 11.22 14.33 1.56 287.05 7.5 16.82 20.71 24.29 1.79 287.23 9.3 17.75 33.32 37.53 2.10 287.48 8.4 15.88 46.33 51.07 2.37 287.70 7.5 14.01 57.03 62.21 2.59 287.87 6.5 12.14 65.52 71.04 2.76 288.01 5.6 10.28 72.00 77.66 2.83 288.08 4.7 8.41 76.52 82.28 2.88 288.12 3.7 6.54 79.11 84.93 2.91 288.15 2.8 4.67 79.82 85.65 2.92 288.16 1.9 2.80 78.68 84.49 2.90 288.15 0.9 0.93 75.74 81.48 2.87 288.12 0.0 0.00 71.03 76.67 2.82 288.06 0.0 0.00 65.51 71.03 2.76 288.01 0.0 0.00 60.20 65.51 2.66 287.92 0.0 0.00 55.10 60.20 2.55 287.84 0.0 0.00 50.20 55.10 2.45 287.76 0.0 0.00 45.49 50.20 2.35 287.68 0.0 0.00 40.96 45.49 2.26 287.61 0.0 0.00 36.62 40.96 2.17 287.54 0.0 0.00 32.46 36.62 2.08 287.47 0.0 0.00 28.49 32.46 1.98 287.39 0.0 0.00 24.71 28.49 1.89 287.31 0.0 0.00 21.11 24.71 1.80 287.24 0.0 0.00 17.67 21.11 1.72 287.17 0.0 0.00 14.40 17.67 1.64 287.11 0.0 0.00 11.28 14.40 1.56 287.05 0.0 0.00 8.41 11.28 1.43 286.98 0.0 0.00 6.22 8.41 1.10 286.85 0.0 0.00 4.53 6.22 0.84 286.76 0.0 0.00 3.25 4.53 0.64 286.68 0.0 0.00 2.26 3.25 0.49 286.63 0.0 0.00 1.51 2.26 0.38 286.58 0.0 0.00 0.93 1.51 0.29 286.55 0.0 0.00 0.49 0.93 0.22 286.53 0.0 0.00 0.15 0.49 0.17 286.51 0.0 0.00 0.01 0.15 0.07 286.42 0.0 0.00 0.00 0.01 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 9.3 2.9 288.16 c w ,,, ..... 0 ~~ gg: cfs 0.00 0.33 0.91 1.56 1.79 2.10 2.37 2.59 2.76 2.83 2.88 2.91 2.92 2.90 2.87 2.82 2.76 2.66 2.55 2.45 2.35 2.26 2.17 2.08 1.98 1.89 1.80 1.72 1.64 1.56 1.43 1.10 0.84 0.64 0.49 0.38 0.29 0.22 0.17 0.07 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.9 0117-dra2.xls Exhibit D-2 D.A. # .c. Q. I! ~ ..., ~ .. .. Qp 10.5 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 2.1 2.0 4.2 3.0 6.3 4.0 6.4 5.0 10.5 6.0 9.5 7.0 8.4 6.0 7.4 9.0 6.3 10.0 5.3 11.0 4.2 12.0 3.2 13.0 2.1 14.0 1.1 15.0 0.0 16.0 0.0 17.0 0.0 16.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 26.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 36.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 0.0 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 10.5 0.00 indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 D.A.# Pond Routlna EVENT= 50 c c 0 w c ~ c z ! 0 0 iii :;::; ::e + ~ ! ! l} 8 II) c N N 0 D..W CfS cfs cfs cfs cfs ft 0.0 2.11 0.00 0.00 0.00 266.35 2.1 6.32 1.39 2.11 0.36 266.56 4.2 10.53 5.66 7.71 1.02 266.62 6.3 14.74 13.00 16.21 1.60 267.06 6.4 18.95 24.00 27.74 1.87 267.30 10.5 20.01 36.53 42.95 2.21 267.57 9.5 17.90 53.50 58.54 2.52 287.61 8.4 15.80 65.87 71.40 2.76 266.01 7.4 13.69 75.92 81.67 2.67 268.12 6.3 11.58 83.69 89.61 2.96 288.20 5.3 9.48 89.24 95.28 3.02 288.26 4.2 7.37 92.60 96.72 3.06 288.30 3.2 5.27 93.84 99.98 3.07 288.31 2.1 3.16 92.98 99.10 3.06 286.30 1.1 1.05 90.08 96.14 3.03 288.27 0.0 0.00 85.19 91.14 2.96 286.22 0.0 0.00 79.36 65.19 2.91 288.15 0.0 0.00 73.67 79.36 2.65 266.09 0.0 0.00 66.09 73.67 2.79 266.03 0.0 0.00 62.68 68.09 2.71 287.96 0.0 0.00 57.46 62.68 2.60 267.66 0.0 0.00 52.48 57.46 2.50 287.80 0.0 0.00 47.68 52.48 2.40 287.72 0.0 0.00 43.07 47.68 2.31 287.65 0.0 0.00 38.64 43.07 2.21 287.57 0.0 0.00 34.39 38.64 2.13 287.50 0.0 0.00 30.33 34.39 2.03 267.43 0.0 0.00 26.46 30.33 1.93 287.35 0.0 0.00 22.76 26.46 1.64 287.28 0.0 0.00 19.27 22.76 1.76 287.21 0.0 0.00 15.92 19.27 1.67 267.14 0.0 0.00 12.73 15.92 1.60 267.06 0.0 0.00 9.69 12.73 1.52 287.02 0.0 0.00 7.19 9.69 1.25 286.91 0.0 0.00 5.26 7.19 0.95 266.60 0.0 0.00 3.82 5.26 0.73 266.72 0.0 0.00 2.70 3.82 0.56 286.65 0.0 0.00 1.84 2.70 0.43 266.60 0.0 0.00 1.18 1.84 0.33 286.57 0.0 0.00 0.68 1.16 0.25 266.54 0.0 0.00 0.30 0.66 0.19 286.52 0.0 0.00 0.02 0.30 0.14 286.49 0.0 0.00 0.00 0.02 0.01 286.36 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 000 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 10.5 3.1 288.31 c w II) __.o t!' ~ ~ g: cfs 0.00 0.36 1.02 1.60 1.87 2.21 2.52 2.76 2.87 2.96 3.02 3.06 3.07 3.06 3.03 2.96 2.91 2.65 2.79 2.71 2.60 2.50 2.40 2.31 2.21 2.13 2.03 1.93 1.84 1.76 1.67 1.60 1.52 1.25 0.95 0.73 0.56 0.43 0.33 0.25 0.19 0.14 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.1 0117-dra2.xls Exhibit D-2 O.A.# J;; CL I! ~ ,, ~ .. .. Qp 11.8 Tc 5.0 Inc 1.0 Time cfs 0.0 0.0 1.0 2.4 2.0 4.7 3.0 7.1 4.0 9.4 5.0 11.8 6.0 10.6 7.0 9.4 8.0 8.3 9.0 7.1 10.0 5.9 11.0 4.7 12.0 3.5 13.0 2.4 14.0 1.2 15.0 0.0 16.0 0.0 17.0 0.0 18.0 0.0 19.0 0.0 20.0 0.0 21.0 0.0 22.0 0.0 23.0 0.0 24.0 0.0 25.0 0.0 26.0 0.0 27.0 0.0 28.0 0.0 29.0 0.0 30.0 0.0 31.0 0.0 32.0 0.0 33.0 0.0 34.0 0.0 35.0 0.0 36.0 0.0 37.0 0.0 38.0 0.0 39.0 0.0 40.0 0.0 41.0 0.0 42.0 0.0 43.0 0.0 44.0 0.0 45.0 0.0 46.0 0.0 47.0 0.0 48.0 0.0 49.0 0.0 50.0 0.0 51.0 0.0 52.0 0.0 53.0 0.0 54.0 0.0 55.0 0.0 56.0 0.0 57.0 0.0 58.0 0.0 59.0 0.0 60.0 00 61.0 0.0 62.0 0.0 63.0 0.0 64.0 0.0 PEAK FLOWS I 11.8 0.00 indicates inital condition EXHIBIT "D-2" PROPOSED DETENTION POND #2 ROUTING SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 O.A. # Pond Routlna EVENT= 100 c 0 i w c c z 0 iii i a ;:; ::E :;: ~ i i ~j 8 II) E N N a IL W cfs cfs cfs cfs cfs ft 0.0 2.36 0.00 0.00 0.00 286.35 2.4 7.07 1.58 2.36 0.39 286.59 4.7 11.79 6.40 8.65 1.13 286.86 7.1 16.50 14.89 18.19 1.65 287.12 9.4 21.22 27.48 31.39 1.96 287.37 11.8 22.40 44.05 48.70 2.33 287.66 10.6 20.04 61.09 66.44 2.67 287.94 9.4 17.68 75.40 81.13 2.87 288.11 8.3 15.32 87.09 93.08 3.00 288.24 7.1 12.97 96.22 102.41 3.10 288.33 5.9 10.61 102.85 109.19 3.17 288.40 4.7 6.25 107.03 113.46 3.21 288.45 3.5 5.89 108.62 115.26 3.23 268.47 2.4 3.54 106.26 114.71 3.23 288.46 1.2 1.18 105.40 111.79 3.20 288.43 0.0 0.00 100.30 106.58 3.14 288.38 0.0 0.00 94.15 100.30 3.07 288.31 0.0 0.00 88.14 94.15 3.01 288.25 0.0 0.00 82.25 88.14 2.94 288.18 0.0 0.00 76.49 82.25 2.88 288.12 0.0 0.00 70.86 76.49 2.82 288.06 0.0 0.00 65.34 70.86 2.76 288.00 0.0 0.00 60.03 65.34 2.65 287.92 0.0 0.00 54.94 60.03 2.55 287.84 0.0 0.00 50.04 54.94 2.45 287.76 0.0 0.00 45.34 50.04 2.35 287.68 0.0 0.00 40.82 45.34 2.26 287.61 0.0 0.00 36.48 40.82 2.17 287.54 0.0 0.00 32.33 36.48 2.08 287.46 0.0 0.00 28.37 32.33 1.98 287.39 0.0 0.00 24.59 28.37 1.89 287.31 0.0 0.00 20.99 24.59 1.80 287.24 0.0 0.00 17.56 20.99 1.71 287.17 0.0 0.00 14.30 17.56 1.63 287.11 0.0 0.00 11.18 14.30 1.56 287.05 0.0 0.00 8.34 11.18 1.42 286.97 0.0 0.00 6.16 8.34 1.09 286.85 0.0 0.00 4.49 6.16 0.83 286.75 0.0 0.00 3.21 4.49 0.64 286.68 0.0 0.00 2.23 3.21 0.49 286.63 0.0 0.00 1.49 2.23 0.37 286.58 0.0 0.00 0.91 1.49 0.29 286.55 0.0 0.00 0.47 0.91 0.22 286.53 0.0 0.00 0.14 0.47 0.17 286.51 0.0 0.00 0.01 0.14 0.06 286.41 0.0 0.00 0.00 0.01 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 286.35 0.0 0.00 0.00 0.00 0.00 266.35 0.0 0.00 0.00 0.00 0.00 286.35 11.8 3.2 288.47 0 w II) -' 0 :!!~ ~f cfs 0.00 0.39 1.13 1.65 1.96 2.33 2.67 2.87 3.00 3.10 3.17 3.21 3.23 3.23 3.20 3.14 3.07 3.01 2.94 2.88 2.82 2.76 2.65 2.55 2.45 2.35 2.26 2.17 2.08 1.98 1.89 1.80 1.71 1.63 1.56 1.42 1.09 0.83 0.64 0.49 0.37 0.29 0.22 0.17 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.2 0117-dra2.xls Exhibit D-2 0.00 indicates inital condition .r::; Cl. I! ~ .., ~ ... Qp Tc Inc EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT= 5 D.A.# D.A. # D.A. # D.A. # 0 c c w 0 ... ..2 ~ z ~i 1: .., Ci! iii ~ c I-:::E N ~ if 28 .:. ~ 0.. "' .. #NIA #N/A 0.7 8.3 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs cfs 0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.6 0.3 0.1 2.0 0.8 2.0 2.3 0.7 0.3 3.3 1.7 3.0 2.7 1.4 0.4 4.6 2.5 4.0 3.1 1.7 0.5 5.3 3.4 5.0 3.6 1.9 0.7 6.1 4.2 6.0 4.0 2.1 0.6 6.7 5.0 7.0 4.1 2.3 0.5 7.0 5.9 8.0 4.2 2.4 0.5 7.1 6.7 9.0 4.3 2.5 0.4 7.2 7.6 10.0 4.4 2.6 0.3 7.3 8.3 11.0 4.4 2.6 0.3 7.3 7.9 12.0 4.4 2.6 0.2 7.2 7.4 13.0 4.3 2.6 0.1 7.1 7.0 14.0 4.3 2.5 0.1 6.9 6.6 15.0 4.2 2.4 0.0 6.6 6.2 16.0 4.1 2.3 0.0 6.5 5.8 17.0 4.0 2.2 0.0 6.3 5.3 18.0 3.9 2.2 0.0 6.0 4.9 19.0 3.7 2.1 0.0 5.7 4.5 20.0 3.4 2.0 0.0 5.4 4.1 21.0 3.2 1.9 0.0 5.1 3.7 22.0 3.1 1.8 0.0 4.8 3.2 23.0 2.9 1.7 0.0 4.6 2.8 24.0 2.6 1.6 0.0 4.2 2.4 25.0 2.3 1.5 0.0 3.8 2.0 26.0 1.7 1.4 0.0 3.0 1.5 27.0 0.0 1.0 0.0 1.0 1.1 28.0 0.0 0.8 0.0 0.8 0.7 29.0 0.0 0.6 0.0 0.6 0.3 30.0 0.0 0.5 0.0 0.5 0.0 31.0 0.0 0.4 0.0 0.4 0.0 32.0 0.0 0.3 0.0 0.3 0.0 33.0 0.0 0.2 0.0 0.2 0.0 34.0 0.0 0.2 0.0 0.2 0.0 35.0 0.0 0.0 0.0 0.0 0.0 36.0 0.0 0.0 0.0 0.0 0.0 37.0 0.0 0.0 0.0 0.0 0.0 38.0 0.0 0.0 0.0 0.0 0.0 39.0 0.0 0.0 0.0 0.0 0.0 40.0 0.0 0.0 0.0 0.0 0.0 41.0 0.0 0.0 0.0 0.0 0.0 42.0 0.0 0.0 0.0 0.0 0.0 43.0 0.0 0.0 0.0 0.0 0.0 44.0 0.0 0.0 0.0 00 0.0 45.0 0.0 0.0 0.0 0.0 0.0 46.0 0.0 0.0 0.0 0.0 0.0 47.0 0.0 0.0 0.0 0.0 0.0 48.0 0.0 0.0 0.0 0.0 0.0 49.0 0.0 0.0 0.0 0.0 0.0 so.a 0.0 0.0 0.0 0.0 0.0 51.0 0.0 0.0 0.0 0.0 0.0 52.0 0.0 0.0 0.0 0.0 0.0 53.0 0.0 0.0 0.0 0.0 0.0 54.0 0.0 0.0 0.0 0.0 0.0 55.0 0.0 0.0 0.0 0.0 0.0 56.0 0.0 0.0 00 0.0 0.0 57.0 0.0 0.0 0.0 0.0 0.0 58.0 0.0 0.0 00 0.0 0.0 59.0 0.0 0.0 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 61.0 0.0 0.0 0.0 0.0 0.0 62.0 0.0 0.0 0.0 0.0 0.0 63.0 0.0 0.0 0.0 0.0 0.0 64.0 0.0 0.0 0.0 0.0 0.0 PEAK FLOWS I 4.38 2.60 0.67 7.27 8.27 I 0 z ..J I= t!' !!! 12 ::;j els 0.00 0.84 1.68 2.52 3.36 4.20 5.04 5.88 6.73 7.57 8.27 7.85 7.43 7.01 6.59 6.17 5.75 5.33 4.91 4.49 4.07 3.65 3.23 2.81 2.39 1.97 1.55 1.13 0.71 0.29 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.27 0117-dra2.xls Exhibit D-2 o.oo indicates inital condition .s: c. f! ~ ,, ~ .. Qp Tc inc EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT= 10 D.A. # D.A. # D.A. # D.A. # 0 c: c: w o~ _g ~ z ~~ _, iii c ,, ~ :::E N s c: $ 8 ~~ ~8 ,:. ~ IL "' .. #N/A #N/A 0.7 9.3 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time CfS cfs cfs cfs cfs 0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.7 0.3 0.1 2.2 0.9 2.0 2.3 0.8 0.3 3.4 1.9 3.0 2.8 1.5 0.4 4.8 2.8 4.0 3.2 1.7 0.6 5.5 3.8 5.0 3.7 2.0 0.7 6.5 4.7 6.0 4.1 2.2 0.7 7.0 5.7 7.0 4.2 2.4 0.6 7.3 6.6 8.0 4.4 2.6 0.5 7.5 7.5 9.0 4.5 2.7 0.4 7.6 8.5 10.0 4.5 2.7 0.4 7.6 9.3 11.0 4.6 2.8 0.3 7.6 8.8 12.0 4.6 2.8 0.2 7.6 8.3 13.0 4.5 2.8 0.1 7.4 7.9 14.0 4.5 2.7 0.1 7.3 7.4 15.0 4.4 2.6 0.0 7.0 6.9 16.0 4.3 2.5 0.0 6.8 6.5 17.0 4.2 2.4 0.0 6.6 6.0 18.0 4.1 2.3 0.0 6.4 5.5 19.0 4.0 2.2 0.0 6.2 5.0 20.0 3.9 2.1 0.0 6.0 4.6 21.0 3.6 2.0 0.0 5.7 4.1 22.0 3.4 1.9 0.0 5.4 3.6 23.0 3.2 1.9 0.0 5.1 3.2 24.0 3.0 1.8 0.0 4.8 2.7 25.0 2.9 1.7 0.0 4.5 2.2 26.0 2.6 1.6 0.0 4.2 1.7 27.0 2.3 1.5 0.0 3.8 1.3 28.0 1.4 1.3 0.0 2.7 0.8 29.0 0.0 1.0 0.0 1.0 0.3 30.0 0.0 0.7 0.0 0.7 0.0 31.0 0.0 0.6 0.0 0.6 0.0 32.0 0.0 0.4 0.0 0.4 0.0 33.0 0.0 0.3 0.0 0.3 0.0 34.0 0.0 0.3 0.0 0.3 0.0 35.0 0.0 0.2 0.0 0.2 0.0 36.0 0.0 0.2 0.0 0.2 0.0 37.0 0.0 0.0 0.0 00 0.0 38.0 0.0 0.0 0.0 0.0 0.0 39.0 0.0 0.0 0.0 0.0 0.0 40.0 0.0 0.0 00 0.0 0.0 41.0 0.0 0.0 0.0 0.0 0.0 42.0 0.0 0.0 0.0 0.0 0.0 43.0 00 0.0 0.0 0.0 0.0 44.0 0.0 0.0 0.0 0.0 0.0 45.0 0.0 0.0 0.0 0.0 0.0 46.0 0.0 0.0 0.0 0.0 0.0 47.0 0.0 0.0 0.0 0.0 0.0 48.0 0.0 0.0 0.0 0.0 0.0 49.0 0.0 0.0 0.0 0.0 0.0 50.0 0.0 0.0 0.0 0.0 0.0 51.0 0.0 0.0 0.0 0.0 0.0 52.0 0.0 0.0 0.0 0.0 0.0 53.0 00 0.0 0.0 0.0 0.0 54.0 0.0 0.0 0.0 0.0 0.0 55.0 0.0 0.0 0.0 0.0 0.0 56.0 0.0 0.0 0.0 0.0 0.0 57.0 0.0 0.0 0.0 0.0 0.0 58.0 0.0 0.0 0.0 0.0 0.0 59.0 0.0 0.0 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 61.0 0.0 0.0 0.0 0.0 0.0 62.0 0.0 0.0 0.0 0.0 0.0 63.0 0.0 0.0 0.0 0.0 0.0 64.0 0.0 0.0 0.0 0.0 0.0 PEAK FLOWS I 4.56 2.77 0.75 7.65 9.29 I C> z _, F ~~ ox I-w cfs 0.00 0.94 1.89 2.83 3.77 4.72 5.66 6.60 7.55 8.49 9.29 8.81 8.34 7.87 7.40 6.93 6.46 5.98 5.51 5.04 4.57 4.10 3.63 3.15 2.68 2.21 1.74 1.27 0.79 0.32 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.29 0117-dra2.xls Exhibit D-2 o. 00 indicates in ital condition .c Q. !:! ~ "O ~ .. Qp Tc Inc EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-B Lots 18-R and 19-R, Block 18 EVENT= 25 D.A. # D.A. # D.A. # D.A. # 0 c: c: w o~ .2 ~ z ~~ 1: "O ~iii ., c: .! c: I-::e N ~~ ~~ ~8 ;,. "' ., #N/A #NIA 0.9 10.7 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs els 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 0.3 0.2 2.5 1.1 2.0 2.4 0.9 0.3 3.7 2.2 3.0 2.9 1.6 0.5 5.0 3.2 4.0 3.4 1.8 0.7 5.8 4.3 5.0 4.0 2.1 0.9 6.9 5.4 6.0 4.2 2.4 0.8 7.3 6.5 7.0 4.4 2.6 0.7 7.7 7.5 8.0 4.6 2.8 0.6 7.9 8.6 9.0 4.7 2.8 0.5 8.0 9.7 10.0 4.8 2.9 0.4 8.1 10.6 11.0 4.8 2.9 0.3 8.0 10.1 12.0 4.8 2.9 0.3 8.0 9.5 13.0 4.8 2.9 0.2 7.9 9.0 14.0 4.7 2.9 0.1 7.7 8.5 15.0 4.6 2.8 0.0 7.5 7.9 16.0 4.5 2.8 0.0 7.3 7.4 17.0 4.4 2.7 0.0 7.1 6.8 18.0 4.3 2.6 0.0 6.9 6.3 19.0 4.2 2.5 0.0 6.7 5.8 20.0 4.2 2.4 0.0 6.5 5.2 21.0 4.1 2.3 0.0 6.3 4.7 22.0 4.0 2.2 0.0 6.1 4.1 23.0 3.7 2.1 0.0 5.8 3.6 24.0 3.5 2.0 0.0 5.5 3.1 25.0 3.3 1.9 0.0 5.2 . 2.5 26.0 3.1 1.8 0.0 4.9 2.0 27.0 2.9 1.7 0.0 4.7 1.4 28.0 2.7 1.6 0.0 4.4 0.9 29.0 2.4 1.6 0.0 4.0 0.4 30.0 2.1 1.4 0.0 3.5 0.0 31.0 0.0 1.1 0.0 1.1 0.0 32.0 0.0 0.8 0.0 0.8 0.0 33.0 0.0 0.6 0.0 0.6 0.0 34.0 0.0 0.5 0.0 0.5 0.0 35.0 0.0 0.4 0.0 0.4 0.0 36.0 0.0 0.3 0.0 0.3 0.0 37.0 0.0 0.2 0.0 0.2 0.0 38.0 0.0 0.2 0.0 0.2 0.0 39.0 0.0 0.1 0.0 0.1 0.0 40.0 0.0 0.0 0.0 0.0 0.0 41.0 0.0 0.0 0.0 0.0 0.0 42.0 0.0 0.0 0.0 0.0 0.0 43.0 0.0 0.0 0.0 0.0 0.0 44.0 0.0 0.0 0.0 0.0 0.0 45.0 00 0.0 0.0 0.0 0.0 46.0 0.0 0.0 0.0 0.0 0.0 47.0 00 0.0 0.0 0.0 0.0 48.0 0.0 0.0 0.0 0.0 0.0 49.0 0.0 0.0 0.0 0.0 0.0 50.0 0.0 0.0 0.0 0.0 0.0 51.0 0.0 0.0 0.0 0.0 0.0 52.0 0.0 0.0 0.0 0.0 0.0 53.0 0.0 0.0 0.0 0.0 0.0 54.0 00 0.0 0.0 0.0 0.0 55.0 0.0 0.0 0.0 0.0 0.0 56.0 0.0 0.0 0.0 0.0 0.0 57.0 0.0 0.0 0.0 0.0 0.0 58.0 0.0 0.0 0.0 0.0 0.0 59.0 0.0 0.0 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 61.0 0.0 0.0 0.0 0.0 0.0 62.0 00 0.0 0.0 0.0 0.0 63.0 0.0 0.0 0.0 0.0 0.0 64.0 0.0 0.0 0.0 0.0 0.0 PEAK FLOWS I 4.81 2.92 0.85 8.06 10.&1 I (!) z --' ~ ~ !!! ox I-w els 0 00 1.08 2.16 3.23 4.31 5.39 6.47 7.54 8.62 9.70 10.61 10.07 9.53 8.99 8.45 7.91 7.37 6.83 6.30 5.76 5.22 4.68 4.14 3.60 3.06 2.52 1.99 1.45 0.91 0.37 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.61 0117-dra2.xls Exhibit D-2 0.00 indicates inijal condition .:;;; c. I! ~ .,, ~ .. Qp Tc Inc EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 EVENT= 50 -D.A. # D.A. # D.A. # D.A. # 0 c c w 0 ..... .2 ~ z ~~ ...J iii 1: .,, ~8 $ c .s c CZ 21 ~ 21 ~ ~ I() .. #N/A #N/A 1.0 12.1 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs els 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.0 0.4 0.2 2.6 1.2 2.0 2.5 1.0 0.4 3.9 2.4 3.0 3.0 1.6 0.6 5.2 3.7 4.0 3.5 1.9 0.8 6.2 4.9 5.0 4.1 2.2 1.0 7.2 6.1 6.0 4.3 2.5 0.9 7.7 7.3 7.0 4.6 2.8 0.8 8.1 8.5 8.0 4.7 2.9 0.7 8.3 9.7 9.0 4.9 3.0 0.6 8.4 11.0 10.0 4.9 3.0 0.5 8.4 12.0 11.0 5.0 3.1 0.4 8.4 11.4 12.0 5.0 3.1 0.3 8.3 10.8 13.0 5.0 3.1 0.2 8.2 10.2 14.0 4.9 3.0 0.1 8.1 9.6 15.0 4.9 3.0 0.0 7.9 8.9 16.0 4.8 2.9 0.0 7.7 8.3 17.0 4.7 2.8 0.0 7.6 7.7 18.0 4.6 2.8 0.0 7.4 7.1 19.0 4.5 2.7 0.0 7.2 6.5 20.0 4.4 2.6 0.0 7.0 5.9 21.0 4.3 2.5 0.0 6.8 5.3 22.0 4.2 2.4 0.0 6.6 4.7 23.0 4.1 2.3 0.0 6.4 4.1 24.0 4.0 2.2 0.0 6.2 3.5 25.0 3.9 2.1 0.0 6.0 2.9 26.0 3.6 2.0 0.0 5.7 2.2 27.0 3.4 1.9 0.0 5.4 1.6 28.0 3.2 1.8 0.0 5.1 1.0 29.0 3.0 1.8 0.0 4.8 0.4 30.0 2.9 1.7 0.0 4.5 0.0 31.0 2.6 1.6 0.0 4.2 0.0 32.0 2.3 1.5 0.0 3.8 0.0 33.0 1.5 1.2 0.0 2.8 0.0 34.0 0.0 1.0 0.0 1.0 0.0 35.0 0.0 0.7 0.0 0.7 0.0 36.0 0.0 0.6 0.0 0.6 0.0 37.0 0.0 0.4 0.0 0.4 0.0 38.0 0.0 0.3 0.0 0.3 0.0 39.0 0.0 0.3 0.0 0.3 0.0 40.0 0.0 0.2 0.0 0.2 0.0 41.0 0.0 0.1 0.0 0.1 0.0 42.0 0.0 0.0 0.0 0.0 0.0 43.0 0.0 0.0 0.0 0.0 0.0 44.0 0.0 0.0 0.0 0.0 0.0 45.0 0.0 0.0 0.0 0.0 0.0 46.0 0.0 0.0 0.0 0.0 0.0 47.0 0.0 0.0 0.0 0.0 0.0 48.0 0.0 0.0 0.0 0.0 0.0 49.0 0.0 0.0 0.0 0.0 0.0 50.0 0.0 0.0 0.0 0.0 0.0 51.0 0.0 0.0 0.0 0.0 0.0 52.0 0.0 0.0 0.0 0.0 0.0 53.0 0.0 0.0 0.0 0.0 0.0 54.0 0.0 0.0 0.0 0.0 0.0 55.0 0.0 0.0 0.0 0.0 0.0 56.0 0.0 0.0 0.0 0.0 0.0 57.0 0.0 0.0 0.0 0.0 0.0 58.0 0.0 0.0 0.0 0.0 0.0 59.0 0.0 0.0 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 61.0 0.0 0.0 0.0 0.0 0.0 62.0 0.0 0.0 0.0 0.0 0.0 63.0 0.0 0.0 0.0 0.0 0.0 64.0 0.0 0.0 0.0 0.0 0.0 PEAK FLOWS I 4.98 3.07 0.98 8.42 11.99 I C> z ...J I= ~ !!1 0 >< .... w els 0.00 1.22 2.44 3.65 4.87 6.09 7.31 8.53 9.74 10.96 11.99 11.38 10.77 10.16 9.55 8.94 8.33 7.73 7.12 6.51 5.90 5.29 4.68 4.07 3.46 2.85 2.24 1.64 1.03 0.42 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11.99 0117-dra2.xls Exhibit D-2 0.00 indicates inital condition Qo Tc Inc ..c: c. I! ~ -0 EXHIBIT "D-3" COMBINATION OF DETENTION PONDS SOUTHWOOD VALLEY SECTION 4-8 Lots 18-R and 19-R, Block 18 EVENT= 100 D.A. # D.A. # D.A. # D.A. # 0 c: .§ ~ w 0 ..... z ..J iii 1: -0 N ~i ~8 ~ 5 ~ .. g ,:. i!l 11.. i!l 11.. ·~ .. #N/A #N/A 1.1 13.5 #N/A #N/A 5.0 9.9 1.0 1.0 1.0 Time cfs cfs cfs cfs els 0.0 0.0 0.0 0.0 0.0 0.0 1.0 2.1 0.4 0.2 2.7 1.4 2.0 2.5 1.1 0.4 4.1 2.7 3.0 3.1 1.6 0.6 5.4 4.1 4.0 3.7 2.0 0.9 6.5 5.5 5.0 4.2 2.3 1.1 7.6 6.8 6.0 4.5 2.7 1.0 8.1 8.2 7.0 4.7 2.9 0.9 8.5 9.6 8.0 4.9 3.0 0.8 8.7 10.9 9.0 5.0 3.1 0.6 8.7 12.3 10.0 5.0 3.2 0.5 8.7 13.5 11.0 5.1 3.2 0.4 8.7 12.8 12.0 5.1 3.2 0.3 8.7 12.1 13.0 5.1 3.2 0.2 8.5 11.4 14.0 5.1 3.2 0.1 8.4 10.7 15.0 5.0 3.1 0.0 8.2 10.0 16.0 5.0 3.1 0.0 8.1 9.4 17.0 4.9 3.0 0.0 7.9 8.7 18.0 4.9 2.9 0.0 7.8 8.0 19.0 4.8 2.9 0.0 7.7 7.3 20.0 4.7 2.8 0.0 7.5 6.6 21.0 4.6 2.8 0.0 7.3 5.9 22.0 4.5 2.7 0.0 7.1 5.3 23.0 4.4 2.5 0.0 6.9 4.6 24.0 4.3 2.4 0.0 6.7 3.9 25.0 4.2 2.4 0.0 6.5 3.2 26.0 4.1 2.3 0.0 6.3 2.5 27.0 4.0 2.2 0.0 6.2 1.8 28.0 3.8 2.1 0.0 5.9 1.2 29.0 3.6 2.0 0.0 5.6 0.5 30.0 3.4 1.9 0.0 5.3 0.0 31.0 3.2 1.8 0.0 5.0 0.0 32.0 3.0 1.7 0.0 4.7 0.0 33.0 2.8 1.6 0.0 4.5 0.0 34.0 2.5 1.6 0.0 4.0 0.0 35.0 2.2 1.4 0.0 3.6 0.0 36.0 0.7 1.1 0.0 1.8 0.0 37.0 0.0 0.8 0.0 0.8 0.0 38.0 0.0 0.6 0.0 0.6 0.0 39.0 0.0 0.5 0.0 0.5 0.0 40.0 0.0 0.4 0.0 0.4 0.0 41.0 0.0 0.3 0.0 0.3 0.0 42.0 0.0 0.2 0.0 0.2 0.0 43.0 0.0 0.2 0.0 0.2 0.0 44.0 0.0 0.1 0.0 0.1 0.0 45.0 0.0 0.0 0.0 0.0 0.0 46.0 0.0 0.0 0.0 0.0 0.0 47.0 0.0 0.0 0.0 0.0 ·o.o 48.0 0.0 0.0 0.0 0.0 0.0 49.0 0.0 0.0 0.0 0.0 0.0 50.0 0.0 0.0 0.0 0.0 0.0 51.0 0.0 0.0 0.0 0.0 0.0 52.0 0.0 0.0 0.0 0.0 0.0 53.0 0.0 0.0 0.0 0.0 0.0 54.0 0.0 0.0 0.0 0.0 0.0 55.0 0.0 0.0 0.0 0.0 0.0 56.0 0.0 0.0 0.0 0.0 0.0 57.0 0.0 0.0 0.0 0.0 0.0 58.0 0.0 0.0 0.0 0.0 0.0 59.0 0.0 0.0 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 61.0 0.0 0.0 0.0 0.0 0.0 62.0 0.0 0.0 0.0 0.0 0.0 63.0 0.0 0.0 0.0 0.0 0.0 64.0 0.0 0.0 0.0 0.0 0.0 PEAK FLOWS I 5.10 3.23 1.07 8.75 13.47 I 0 z _.. F ~ !!? 0 >< I-w els 0.00 1.37 2.74 4.11 5.47 6.84 8.21 9.58 10.95 12.32 13.47 12.79 12.10 11.42 10.73 10.05 9.36 8.68 8.00 7.31 6.63 5.94 5.26 4.57 3.89 3.21 2.52 1.84 1.15 0.47 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13.47 0117-dra2.xls Exhibit D-2 ~ ~ a 5 Year Event Hydrographs 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 -¥'-~~~---1~~~~-+~~~~-+-~~~~+-~~~--+~-'-~~~~~~~:::i--~~~~ 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 2/12/2003 Exhibit E-1 10.00 9.00 8.00 7.00 6.00 ~ ~ 5.00 a 4.00 3.00 2.00 1.00 0.00 0.00 5.00 10.00 15.00 10 Year Event Hydrographs 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 2/12/2003 Exhibit E-1 25 Year Event Hydrographs 10.00 8.00 - ~ ~ 6.00 a 4.00 2.00 0.00_.._~~~----+-~~~~-1-~~~~-+-~~~--+~~~~--+-~~~---'>+-..__~~~f--~~~--1 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 2/12/2003 Exhibit E-1 ~ .!::!. a 50 Year Event Hydrographs 12.00 10.00 8.00 6.00 4.00 2.00 0.00 -"--------------+------+----------'-----'.__I---___ _ 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 2/12/2003 Exhibit E-1 ~ ~ a 100 Year Event Hydrographs 14.00 12.00 10.00 8.00 6.00 4.00 2.00 O.OO -f"'-~~~-+~~~~-+-~~~~+-~~~--1~~~~-+-~~~--'"+-~~~~1---~~~--! 0.00 5.00 10.00 15.00 20.00 Time(min.) 25.00 30.00 35.00 40.00 --Pond#1 --Pond#2 --Total Combined --Total Existing 2/12/2003 Exhibit E-1