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HomeMy WebLinkAboutWPO200500006 Calculations Stormwater Management Plan 2005-01-17 i � s 5 a r #'� ,;,,,,40:0-?5, t "mat t r / �' " ,, kl/ ,,, di - - h aim ,11:,;:„,1 .. 1 , iillisiiivi CRUTCHFIELD CORPORATION STORMWATER MANAGEMENT ENGINEERING CALCULATIONS County of Albemarle, Virginia Prepared for : The Crutchfield Corporation 1 Crutchfield Place • Charlottesville , Virginia 22911 RECEIVED Prepared by: JAN Lis 4. 4, ... COMMUNITY DEVELOPMENT The Cox Company 220 East High Street Charlottesville, Virginia 22902 January 17, 2005 r Short Version BMP Computations For Worksheets 2- 6 Albemarle County Water Protection Ordinance: Modified Simple Method Plan: Crutchfield Corp.Site Plan Amendment Water Resources Area: Development Area Preparer: Eric Woolley, PE Date: 17-Jan-05 Project Drainage Area Designation Drainage Area A L storm pollutant export in pounds, L=[P(Pj)Rv/12][C(A)2.72] Rv mean runoff coefficient, Rv=0.05+0.009(1) Pj small storm correction factor,0.9 percent imperviousness P annual precipitation,43"in Albemarle A project area in acres in subject drainage area, A 0.89 C pollutant concentration,mg/I or ppm target phosphorus f factor applied to RR V required treatment volume in cy, 0.5"over imperv.area= A(1)43560(0.5/12)/27 RR required removal, L(post)-f x L(pre) %RR removal efficiency, RR100/L(post) Impervious Cover Computation(values in feet&square feet) ',Item pre-development Area post-development Area Roads Length Width subtotal Length Width subtotal 0 0 0 0i 0 0 0 0 0' 0 0 0 0 0 0 0 Driveways. . . 0 0 0 0 0, 0 Length Width no. subtotal Length Width no. subtotal and walks 0 0 0; 0 265, 5 1 13251 0 0 0 ... 0 0 0 1 0 0 0 0 0 1 0 4718 Parkin Lots g .. 1 2 3 4 1 2 3 4 0 13706' 0 0 0 13706 Gravel areas Area 6963 Area 0 ,x0.70= 4874.1' 0 x 0.70= 0 ,Structures Area no. subtotal Area no. subtotal 0 0 0 0 0 0 0 0 0 0 0 0, 0 0 0` 0 0 Actively-grazed pasture& Area Area yards and cultivated turf 0;x 0.08= 0 0 x 0.08= 0- Active crop land Area Area x 0.25= 0 x 0.25= 0 `Other Impervious Areas 0. 0: Impervious Cover 13% 48% l(pre) I(post) Rv(post) V 0.48 28.4 New Development(For Development Areas,existing impervious cover<=20%) C f I(pre)* Rv(pre) L(pre) - L(post) RR °/0 RR Area Type ',0.7,0 1 OO , 20%, 0.23 1.26 ' 2.61 1.35 52% Development Area x,0: Short Version BMP Computations For Worksheets 2 -6 Albemarle County Water Protection Ordinance: Modified Simple Method Plan: Crutchfield Corp.Site Plan Amendment Water Resources Area: Development Area Preparer: Eric Woolley, FE Date: 17-Jan-05 Project Drainage Area Designation Drainage Area B L storm pollutant export in pounds, L=[P(Pj)Rv/12] [C(A)2.72] Rv mean runoff coefficient, Rv=0.05+0.009(1) Pj small storm correction factor, 0.9 I percent imperviousness P annual precipitation,43"in Albemarle A project area in acres in subject drainage area, A= 1.32 C pollutant concentration, mg/I or ppm target phosphorus f factor applied to RR ✓ required treatment volume in cy,0.5"over imperv.area= A(I)43560(0.5/12)/27 RR required removal, L(post)-f x L(pre) %RR removal efficiency, RR100/L(post) Impervious Cover Computation(values in feet&square feet) Item pre-development Area post-development ,Area Roads Length Width subtotal Length Width subtotal 0 0 0 0: 0 ._ 0 0 0, 0 0 0 0 0 0 0 0 0 0' 0 0 0'00 '. Driveways Length Width no. subtotal Length Width no. subtotal and walks 0 0 0: 0 291: 5• ..,." 1 1455 0 0 0, 0 63 6 . ... . 1378 0 0 39.8, 25: 1 995' 2828 Parking Lots 1 2 3 4 1 2 3 4 0 30753 0 0 0 30753"'. Gravel areas Area 24944 Area 0 x 0.70= 17460.8 0 x 0.70= 0 Structures Area no. subtotal Area no. subtotal 20200 1 20200; 20200 1 20200 0 0 0' 0 0... 0 0 0 0 20200 0i 20200 Actively-grazed pasture& Area Area yards and cultivated turf 0 x 0.08= 0 0 x 0.08= 0 Active crop land Area Area `x0.25= 0 x0.25= 0 Other Impervious Areas 0 0 Impervious Cover 65% 94%`. I(pre) l(post) Rv(post) V 0.89 83.0 New Development(For Development reas,existing ipe_.r sous cover<=20%) C f Ire Rv(pre) L(pre) L(post) RR % R R Area Type 0:70 1:00 20% 0.64 5.18 7.23 2.04 28% Development Area 10 0 . 0 0 40;,• 1.00 "', 1 fo 0.64 2.59 3.61 1.02 - 28% Drinking Water Watersheds % 0.64 2.96 4.13 1.17 28% Other Rural Land *min.values Redevelopment(For Development Areas,existing impervious cover>20%) C f I(pre)* Rv(pre) L(pre) L(post) RR %°RR Area Type 0.70 0.90 20% 0.64 5.18 7.23 2.56 35% Development Area 0,35 0.85 0% 0.64 2.59 3.61 1.41 39% Drinking Water Watersheds 0.40 0.85 1% 0.64 2.96 4.13 1.61 ; 39% Other Rural Land Interim Manual, Page 70 rev. 16 Feb 1998 GEB e r Short Version BMP Computations For Worksheets 2 - 6 Albemarle County Water Protection Ordinance: Modified Simple Method Plan: Crutchfield Corp.Site Plan Amendment Water Resources Area: Development Area Preparer: Eric Woolley, PE Date: 17-Jan-05 Project Drainage Area Designation Drainage Area C L storm pollutant export in pounds, L=[P(Pj)Rv/12][C(A)2.72] Rv mean runoff coefficient, Rv=0.05+0.009(1) Pj small storm correction factor,0.9 percent imperviousness P annual precipitation,43"in Albemarle A project area in acres in subject drainage area, A= 0.65 4' C pollutant concentration, mg/I or ppm target phosphorus f factor applied to RR ✓ required treatment volume in cy,0.5"over imperv.area= A(I)43560(0.5/12)/27 RR required removal, L(post)-f x L(pre) %RR removal efficiency, RR100/L(post) Impervious Cover Computation(values in feet&square feet) Item pre-development Area post-development Area Roads Length Width subtotal Length Width subtotal , 0 0. 0' 0 0. 0; 0 0' 0 0 0 0 • 0 0• 0 0? 0 0 0 0 0 0 Driveways Length Width no. subtotal Length Width no. subtotal and walks 0 0 0 0 106 5 1 .... 530'. 0 0, 0 0 0 0 1 0 0 0, 0 0 1 0 530! Parking Lots 1 2 3 4 1 2 3 4 0 17904, 0 0 0 17904 ,Gravel areas Area 0 _�._. ...... Area 0 x0.70= 0 0:x0.70= 0 Structures Area no. subtotal Area no. subtotal 0 0 0 0 0 0' 0 0: 0 p 0 0 0 0 0 0 0' 0 Actively-grazed pasture& Area Area yards and cultivated turf 0 x 0.08= 0 0[x 0.08= 0 ,Active crop land Area Area x0.25= 0 x0.25= 0 Other Impervious Areas 01 0 Impervious Cover 0% 65%•. I(pre) .. ((post) Rv(post) V 0.64 28.4 New Development(For Development Areas,existing impervious co r 20%) C f I(pr ) Rv(pre) L(pre) L(post) RR % RR Area Type pe fl 70 1.00. e01 0 92 1.62 64% Development Area 0.35 1-.00 0% 0.05 0.10 1.27 1.17 92% Drinking Water Watersheds 0.40 1.00 1% 0.06 0. ` 1.45 1.32 91% Other Rural Land 13 nd *min.values Redevelopment(For Development Areas,existing impervious cover>20%) C f I(pre)* Rv(pre) L(pre) L(post) RR %RR Area Type 0.70 0.90 20% 0.23 0.92 2.54 1.71 , 67% Development Area 0.35 0.85 0% 0.05 0.10 1.27 1.18 93% Drinking Water Watersheds :=0 40 0.85`';° 1% 0.06 0.13 1.45 1.34 92% Other Rural Land Interim Manual, Page 70 rev. 16 Feb 1998 GEB e r Table of Contents Table of Contents ********************** MASTER SUMMARY ********************** Watershed Mod. Rational Grand Summary 1 .01 Master Network Summary 1.02 *************** NETWORK SUMMARIES (DETAILED) *************** Watershed 2yr Executive Summary (Nodes) 2.01 Executive Summary (Links) 2.02 Network Calcs Sequence 2.03 Watershed 10yr Executive Summary (Nodes) 2.05 Executive Summary (Links) 2.06 Watershed 100yr Executive Summary (Nodes) 2.07 Executive Summary (Links) 2.08 ****************** DESIGN STORMS SUMMARY ******************* IDF Storms 10. . Rational Storms 3.01 ********************** TC CALCULATIONS ********************* DEVELOPED TC. . . . Tc Calcs 4.01 PRE-DEVELOPED TC Tc Calcs 4.03 *********************** HYG ADDITION *********************** OUTFALL 2yr Node: Addition Summary 5.01 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 � r Table of Contents ii Table of Contents (continued) OUTFALL l0yr Node: Addition Summary 5.03 OUTFALL 100yr Node: Addition Summary 5.05 *********************** TIME VS. ELEV *********************** ON-SITE POND OUT 2yr Time-Elev 6.01 ON-SITE POND OUT 10yr Time-Elev 6.02 ON-SITE POND OUT 100yr Time-Elev 6.03 ************************ TIME VS .VOL *********************** ON-SITE POND OUT 2yr Time vs. Volume 7.01 ON-SITE POND OUT l0yr Time vs. Volume 7.02 ON-SITE POND OUT 100yr Time vs. Volume 7.03 *********************** POND VOLUMES *********************** ON-SITE POND. . . . Vol: Elev-Area 8.01 ******************** OUTLET STRUCTURES ********************* OUTLET Outlet Input Data 9.01 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Table of Contents iii Table of Contents (continued) Individual Outlet Curves 9.05 Composite Rating Curve 9. 10 *********************** POND ROUTING *********************** ON-SITE POND. . . . Pond E-V-Q Table 10.01 ON-SITE POND IN 2yr Node: Pond Inflow Summary 10.02 ON-SITE POND IN l0yr Node: Pond Inflow Summary 10.04 ON-SITE POND IN 100yr Node: Pond Inflow Summary 10.06 ON-SITE POND OUT 2yr Pond Routing Summary 10.08 Pond Routed HYG (total out) 10.09 ON-SITE POND OUT 10yr Pond Routing Summary 10.10 Pond Routed HYG (total out) 10. 11 ON-SITE POND OUT 100yr Pond Routing Summary 10.12 Pond Routed HYG (total out) 10.13 OUTLET 2yr Diverted Hydrograph 10.14 OUTLET l0yr Diverted Hydrograph 10. 15 OUTLET 100yr Diverted Hydrograph 10. 16 ****************** RATIONAL METHOD CALCS ******************* DEVELOPED C and Area 11.01 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 � 9 Table of Contents iv Table of Contents (continued) DEVELOPED 2yr Rational Predev. Peak Q 11 .02 Mod. Rational Graph 11 .03 Mod. Rational Storm Calcs 11.04 Mod. Rational Hyg 11 .05 DEVELOPED 10yr Rational Predev. Peak Q 11.06 Mod. Rational Graph 11.07 Mod. Rational Storm Calcs 11.08 Mod. Rational Hyg 11.09 DEVELOPED 100yr Rational Predev. Peak Q 11 .10 Mod. Rational Graph 11.11 Mod. Rational Storm Calcs 11 .12 Mod. Rational Hyg 11.13 PRE-DEVELOPED. . . C and Area 11.14 PcdwJpmt/Lk ' S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Mod. Rational Grand Summary Page 1 .01 Name. . . . Watershed File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW ************************************************************************ ************************************************************************ * * * * * MODIFIED RATIONAL METHOD * ---- Grand Summary For All Storm Frequencies ---- * * * * ************************************************************************ ************************************************************************ Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) Area = 20. 200 acres Tc = . 1333 hrs VOLUMES Freq. Adjusted Duration I Qpeak Allowable Inflow Storage years 'C' hrs in/hr cfs cfs ac-ft ac-ft 100 .482 . 1667 8.0062 78. 54 76. 57 1 .082 .133 10 .482 . 1333 6.2018 60.84 55.08 .670 .063 2 .482 . 1333 4.7215 46.32 41 .93 . 510 .049 S/N: E21401D06A89 The Cox Company PondPack Ver . 7 . 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 a Type. . . . Master Network Summary Page 1 .02 Name. . . . Watershed File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW MASTER DESIGN STORM SUMMARY Default Network Design Storm File, ID ALBEMARL. IDQ IDF Storms 10 Rainfall Return Event Type IDF File IDF ID 100yr I-D-F Table STORMS Alb 100yr l0yr I-D-F Table STORMS Alb l0yr 2yr I-D-F Table STORMS Alb 2yr MASTER NETWORK SUMMARY Modified Rational Method Network (*Node=Outfall ; +Node=Diversion; ) (Trun= HYG Truncation: Blank=None; L=Left ; R=Rt; LR=Left&Rt) Max Return HYG Vol Qpeak Qpeak Max WSEL Pond Storage Node ID Type Event ac-ft Trun hrs cfs ft ac-ft DEVELOPED AREA 100 1 .081 .1333 78. 54 DEVELOPED AREA 10 .670 .1333 60.84 DEVELOPED AREA 2 . 510 .1333 46. 32 ON-SITE POND IN POND 100 1.081 . 1400 78. 54 ON-SITE POND IN POND 10 .670 . 1300 59.33 ON-SITE POND IN POND 2 . 510 . 1300 45.17 ON-SITE POND OUT POND 100 1.081 . 1900 64.09 546.86 .295 ON-SITE POND OUT POND 10 .670 . 1800 37.60 545.89 .200 ON-SITE POND OUT POND 2 . 510 . 1700 32. 14 544.97 .127 *OUTFALL JCT 100 1 .081 .1900 64.09 *OUTFALL JCT 10 .670 . 1800 37. 60 *OUTFALL JCT 2 . 510 . 1700 32. 14 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 R Type. . . . Executive Summary (Nodes) Page 2.01 Name. . . . Watershed Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr NETWORK SUMMARY -- NODES (Trun.= HYG Truncation: Blank=None; L=Left; R=Rt ; LR=Left & Rt) DEFAULT Design Storm File, ID = Storm Tag Name = Data Type, File, ID = Total Rainfall Depth= .0000 in Duration Multiplier = 0 Resulting Duration = .0000 hrs Resulting Start Time= .0000 hrs Step= .0000 hrs End= .0000 hrs HYG Vol Qpeak Qpeak Max WSEL Node ID Type ac-ft Trun. hrs cfs ft DEVELOPED AREA . 510 .1333 46.32 ON-SITE POND IN POND . 510 .1300 45.17 ON-SITE POND OUT POND . 510 .1700 32.14 544.97 Outfall OUTFALL JCT . 510 .1700 32.14 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Executive Summary (Links) Page 2 .02 Name. . . . Watershed Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 2yr Tag: 2yr NETWORK SUMMARY -- LINKS (UN=Upstream Node; DL=DNstream End of Link ; DN=DNstream Node) (Trun.= HYG Truncation: Blank=None; L=Left; R=Rt; LR=Left & Rt) DEFAULT Design Storm File, ID = Storm Tag Name = Data Type, File, ID = Total Rainfall Depth= .0000 in Duration Multiplier = 0 Resulting Duration = .0000 hrs Resulting Start Time= .0000 hrs Step= .0000 hrs End= .0000 hrs HYG Vol Peak Time Peak Q Link ID Type ac-ft Trun. hrs cfs End Points ADD ADD UN . 510 . 1333 46. 32 DEVELOPED DL . 510 . 1333 46.32 DN . 510 . 1300 45 .17 ON-SITE POND IN OUTLET PONDrt UN . 510 . 1300 45. 17 ON-SITE POND IN OUTLET . 510 . 1700 32 . 14 ON-SITE POND OUT DL . 510 . 1700 32.14 DN . 510 . 1700 32. 14 OUTFALL S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Network Calcs Sequence Page 2 .03 Name. . . . Watershed Event: 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 2yr Tag: 2yr NETWORK RUNOFF NODE SEQUENCE Runoff Data Apply to Node Receiving Link Mod.Rat Developed Subarea DEVELOPED Add Hyd DEVELOPED S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Network Calcs Sequence Page 2 .04 Name. . . . Watershed Event: 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr NETWORK ROUTING SEQUENCE Link Operation UPstream Node DNstream Node Add Hyd ADD Subarea DEVELOPED Pond ON-SITE POND IN POND ROUTE TOTAL OUTFLOW. . . Total Pond Outflow Pond ON-SITE POND IN Outflow ON-SITE POND OUT SET POND ROUTING LINK TO TOTAL POND OUTFLOW. . . Outlet OUTLET Outflow ON-SITE POND OUT Jct OUTFALL S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 R p Type. . . . Executive Summary (Nodes) Page 2.05 Name. . . . Watershed Event : 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb l0yr Tag: l0yr NETWORK SUMMARY -- NODES (Trun.= HYG Truncation: Blank=None; L=Left ; R=Rt; LR=Left & Rt) DEFAULT Design Storm File, ID = Storm Tag Name = Data Type, File, ID = Total Rainfall Depth= .0000 in Duration Multiplier = 0 Resulting Duration = .0000 hrs Resulting Start Time= .0000 hrs Step= .0000 hrs End= .0000 hrs HYG Vol Qpeak Qpeak Max WSEL Node ID Type ac-ft Trun. hrs cfs ft DEVELOPED AREA .670 . 1333 60.84 ON-SITE POND IN POND .670 . 1300 59.33 ON-SITE POND OUT POND .670 . 1800 37.60 545.89 Outfall OUTFALL JCT .670 . 1800 37.60 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Executive Summary (Links) Page 2 .06 Name. . . . Watershed Event : 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb l0yr Tag: 10yr NETWORK SUMMARY -- LINKS (UN=Upstream Node; DL=DNstream End of Link ; DN=DNstream Node) (Trun.= HYG Truncation: Blank=None; L=Left ; R=Rt ; LR=Left & Rt) DEFAULT Design Storm File, ID = Storm Tag Name = Data Type, File, ID = Total Rainfall Depth= .0000 in Duration Multiplier = 0 Resulting Duration = .0000 hrs Resulting Start Time= .0000 hrs Step= .0000 hrs End= .0000 hrs HYG Vol Peak Time Peak Q Link ID Type ac-ft Trun. hrs cfs End Points ADD ADD UN .670 . 1333 60.84 DEVELOPED DL .670 . 1333 60.84 DN .670 . 1300 59.33 ON-SITE POND IN OUTLET PONDrt UN .670 . 1300 59.33 ON-SITE POND IN OUTLET .670 . 1800 37.60 ON-SITE POND OUT DL .670 . 1800 37.60 DN .670 . 1800 37.60 OUTFALL S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 a Type. . . . Executive Summary (Nodes) Page 2.07 Name. . . . Watershed Event: 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr NETWORK SUMMARY -- NODES (Trun.= HYG Truncation : Blank=None; L=Left ; R=Rt ; LR=Left & Rt) DEFAULT Design Storm File, ID = Storm Tag Name = Data Type, File, ID = Total Rainfall Depth= .0000 in Duration Multiplier = 0 Resulting Duration = .0000 hrs Resulting Start Time= .0000 hrs Step= .0000 hrs End= .0000 hrs HYG Vol Qpeak Qpeak Max WSEL Node ID Type ac-ft Trun. hrs cfs ft DEVELOPED AREA 1.081 . 1333 78 .54 ON-SITE POND IN POND 1.081 . 1400 78. 54 ON-SITE POND OUT POND 1.081 . 1900 64.09 546.86 Outfall OUTFALL JCT 1 .081 .1900 64.09 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45 :00 Date: 01/18/2005 Type. . . . Executive Summary (Links) Page 2.08 Name. . . . Watershed Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 100yr Tag: 100yr NETWORK SUMMARY -- LINKS (UN=Upstream Node; DL=DNstream End of Link; DN=DNstream Node) (Trun .= HYG Truncation: Blank=None; L=Left ; R=Rt; LR=Left & Rt) DEFAULT Design Storm File, ID = Storm Tag Name = Data Type, File, ID = Total Rainfall Depth= .0000 in Duration Multiplier = 0 Resulting Duration = .0000 hrs Resulting Start Time= .0000 hrs Step= .0000 hrs End= .0000 hrs HYG Vol Peak Time Peak Q Link ID Type ac-ft Trun. hrs cfs End Points ADD ADD UN 1.081 .1333 78.54 DEVELOPED DL 1.081 .1333 78.54 DN 1.081 .1400 78.54 ON-SITE POND IN OUTLET PONDrt UN 1.081 . 1400 78. 54 ON-SITE POND IN OUTLET 1 .081 . 1900 64.09 ON-SITE POND OUT DL 1 .081 . 1900 64.09 DN 1.081 . 1900 64.09 OUTFALL S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Rational Storms Page 3 .01 Name. . . . IDF Storms 10 File. . . . C: \PROGRA-1\HAESTAD\PPKW\RAINFALL\ALBEMARL. IDQ Title. . . New On-Site Pond I-D-F DESIGN STORM SUMMARY Storm Queue File, ID = ALBEMARL. IDQ IDF Storms 10 Storm Tag Name = 100yr File: Type, ID = STORMS. IDF: I-D-F Storm. . . Alb 100yr Storm Frequ. = 100 yr Storm Tag Name = 10yr File: Type, ID = STORMS . IDF: I-D-F Storm. . . Alb 10yr Storm Frequ. = 10 yr Storm Tag Name = 2yr File: Type, ID = STORMS. IDF: I-D-F Storm. . . Alb 2yr Storm Frequ. = 2 yr S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Tc Calcs Page 4.01 Name. . . . DEVELOPED TC File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW TIME OF CONCENTRATION CALCULATOR Segment #1 : Tc: User Defined Description: Overland Flow Segment #1 Time: .1333 hrs Total Tc: .1333 hrs S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Tc Calcs Page 4.02 Name. . . . DEVELOPED TC File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Tc Equations used. . . ___= User Defined Tc = Value entered by user Where: Tc = Time of concentration S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Y t Type. . . . Tc Calcs Page 4.03 Name. . . . PRE-DEVELOPED TC File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW TIME OF CONCENTRATION CALCULATOR Segment #1: Tc: User Defined Description: Overland Flow Segment #1 Time: .1333 hrs Total Tc: . 1333 hrs S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Tc Calcs Page 4.04 Name. . . . PRE-DEVELOPED TC File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Tc Equations used. . . ___= User Defined Tc = Value entered by user Where: Tc = Time of concentration S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 • a Type. . . . Node: Addition Summary Page 5.01 Name. . . . OUTFALL Event: 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr SUMMARY FOR HYDROGRAPH ADDITION at Node: OUTFALL HYG Directory: D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Upstream Link ID Upstream Node ID HYG file HYG ID HYG tag OUTLET ON-SITE POND IN OUTLET 2yr INFLOWS TO: OUTFALL Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs OUTLET 2yr .510 . 1700 32.14 TOTAL FLOW INTO: OUTFALL Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs OUTFALL 2yr .510 .1700 32.14 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45 :00 Date: 01/18/2005 R Type. . . . Node: Addition Summary Page 5.02 Name. . . . OUTFALL Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 2yr Tag: 2yr TOTAL NODE INFLOW. . . HYG file = HYG ID = OUTFALL HYG Tag = 2yr Peak Discharge = 32. 14 cfs Time to Peak = . 1700 hrs HYG Volume = . 510 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .66 1.04 1. 59 6.92 .0500 9.33 11.11 15.22 19.20 21.51 .1000 23 .41 25.41 27.04 28.88 30.21 .1500 31 .22 31.85 32.14 32.12 31 .80 .2000 31 . 22 30.40 29.35 27.82 25 .93 .2500 23 .29 19.88 13 .08 9.76 7. 57 .3000 3 .76 1.86 1. 23 1 .20 1 .16 .3500 1 . 13 1. 10 1.06 1 .01 .95 .4000 .89 .84 .72 .59 .48 .4500 .18 .06 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 a r Type. . . . Node: Addition Summary Page 5.03 Name. . . . OUTFALL Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 10yr Tag: 10yr SUMMARY FOR HYDROGRAPH ADDITION at Node: OUTFALL HYG Directory: D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Upstream Link ID Upstream Node ID HYG file HYG ID HYG tag OUTLET ON-SITE POND IN OUTLET 10yr INFLOWS TO: OUTFALL Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs OUTLET 10yr .670 .1800 37.60 TOTAL FLOW INTO: OUTFALL Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs OUTFALL 10yr .670 . 1800 37.60 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Node: Addition Summary Page 5 .04 Name. . . . OUTFALL Event : 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 10yr Tag: 10yr TOTAL NODE INFLOW. . . HYG file = HYG ID = OUTFALL HYG Tag = 10yr Peak Discharge = 37.60 cfs Time to Peak = .1800 hrs HYG Volume = .670 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .76 1. 11 3.98 8.87 .0500 10.98 15.95 20.60 22.85 25. 35 .1000 27.37 29.49 31.42 33 .29 34.94 . 1500 36. 10 36.87 37.37 37.60 37. 58 . 2000 37.32 36.84 36. 15 35.23 33 .87 .2500 32.30 30.03 27.23 23.75 19. 26 .3000 12.20 9.48 6.94 3.44 1 .71 .3500 1. 23 1. 19 1.16 1.12 1 .09 .4000 1 .06 1.00 .94 .88 .83 .4500 .70 . 57 .45 .15 .05 .5000 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 d , Type. . . . Node: Addition Summary Page 5.05 Name. . . . OUTFALL Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 100yr Tag: 100yr SUMMARY FOR HYDROGRAPH ADDITION at Node: OUTFALL HYG Directory: D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Upstream Link ID Upstream Node ID HYG file HYG ID HYG tag OUTLET ON-SITE POND IN OUTLET 100yr INFLOWS TO: OUTFALL Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs OUTLET 100yr 1.081 . 1900 64.09 TOTAL FLOW INTO: OUTFALL Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs OUTFALL 100yr 1.081 .1900 64.09 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Node: Addition Summary Page 5 .06 Name. . . . OUTFALL Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr TOTAL NODE INFLOW. . . HYG file = HYG ID = OUTFALL HYG Tag = 100yr Peak Discharge = 64.09 cfs Time to Peak = . 1900 hrs HYG Volume = 1 .081 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .84 1 .18 6.91 10.24 .0500 15.22 20.85 23.73 26.45 29.07 . 1000 31 . 32 33 .54 35.69 37.67 46.76 . 1500 55.88 59.85 62. 10 63.55 64.09 .2000 63 .80 62.78 61.14 58.94 54.44 . 2500 48. 10 41 .90 37. 75 36. 55 35.04 .3000 32.99 30.41 27. 50 24.10 19.90 . 3500 12.61 9.61 7. 23 3.59 1 .78 .4000 1 .23 1 .19 1 . 16 1.13 1 .09 .4500 1 .06 1.00 .94 .89 .83 . 5000 .71 . 58 .47 .16 .05 . 5500 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Time-Elev Page 6.01 Name. . . . ON-SITE POND OUT Tag: 2yr Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr TIME vs. ELEVATION (ft) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 540.00 540.77 541 .47 542.02 542.41 .0500 542.69 542.99 543 . 22 543 .44 543 .63 . 1000 543 .83 544.04 544. 25 544.49 544.69 . 1500 544.83 544.93 544.97 544.97 544.92 . 2000 544.83 544.71 544. 56 544.35 544.11 . 2500 543 .81 543 .48 543 .10 542.76 542.45 .3000 542. 18 542 .04 541.95 541 .86 541 .77 .3500 541 .69 541.60 541 . 52 541 .40 541.27 .4000 541.15 541.04 540.85 540.66 540.51 .4500 540. 19 540.06 540.02 540.01 540.00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7 . 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 s Type. . . . Time-Elev Page 6.02 Name. . . . ON-SITE POND OUT Tag: 10yr Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb l0yr Tag: l0yr TIME vs. ELEVATION (ft) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 540.00 540.91 541 .64 542. 20 542.61 .0500 542.96 543 .26 543 . 53 543.77 544.04 . 1000 544.30 544. 58 544.86 545.16 545.43 . 1500 545 .63 545.76 545 .85 545.89 545.89 . 2000 545 .85 545.76 545 .64 545.47 545. 25 . 2500 544.99 544.66 544. 28 543 .86 543.44 .3000 543 .06 542.71 542.41 542.16 542.03 .3500 541 .94 541.85 541.76 541 .68 541.59 .4000 541 . 51 541.38 541 . 26 541 .13 541.02 .4500 540.83 540.64 540.48 540.16 540.05 . 5000 540.02 540.01 540.00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 4 s Type. . . . Time-Elev Page 6.03 Name. . . . ON-SITE POND OUT Tag: 100yr Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr TIME vs. ELEVATION (ft) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 540.00 541 .04 541.83 542.41 542.84 .0500 543 . 22 543. 56 543.86 544.18 544.52 . 1000 544.85 545. 20 545. 55 545.91 546.22 . 1500 546.45 546.62 546.75 546.83 546.86 . 2000 546.85 546.79 546.69 546. 57 546.42 . 2500 546. 25 546.09 545.92 545.71 545.44 .3000 545.11 544.71 544.31 543.90 543.48 .3500 543 .08 542.73 542.43 542.17 542.04 .4000 541 .95 541.85 541.77 541.68 541 .60 .4500 541. 52 541.39 541.26 541.14 541 .03 . 5000 540.84 540.65 540.50 540.17 540.06 . 5500 540.02 540.01 540.00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 0 Type. . . . Time vs. Volume Page 7.01 Name. . . . ON-SITE POND OUT Tag: 2yr Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 2yr Tag: 2yr TIME vs . VOLUME (ac-ft) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .000 .001 .005 .011 .017 .0500 .023 .031 .038 .046 .053 . 1000 .062 .072 .083 .096 . 108 .1500 . 118 .124 .127 . 127 . 124 . 2000 . 118 . 110 .101 .089 .076 .2500 .061 .047 .034 .025 .018 .3000 .013 .011 .010 .009 .008 . 3500 .007 .006 .005 .004 .003 .4000 .003 .002 .001 .001 .000 .4500 .000 .000 .000 .000 .000 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 M s Type. . . . Time vs . Volume Page 7.02 Name. . . . ON-SITE POND OUT Tag: 10yr Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 10yr Tag: 10yr TIME vs. VOLUME (ac-ft) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .000 .001 .006 .013 .021 .0500 .030 .039 .049 .059 . 072 . 1000 .085 . 102 .120 .140 . 161 .1500 . 177 . 189 .196 .200 . 200 .2000 . 196 .188 . 178 .164 . 147 .2500 . 129 . 107 .084 .063 .046 . 3000 .033 .024 .017 .013 .011 .3500 .010 .008 .007 .007 .006 .4000 .005 .004 .003 .002 .002 .4500 .001 .001 .000 .000 .000 . 5000 .000 .000 .000 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 e Type. . . . Time vs. Volume Page 7.03 Name. . . . ON-SITE POND OUT Tag: 100yr Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr TIME vs. VOLUME (ac-ft) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .000 .002 .008 .017 .027 .0500 .038 .050 .063 .079 .098 . 1000 . 119 . 143 . 171 . 201 .230 .1500 . 253 . 270 . 283 . 292 .295 .2000 . 294 . 287 . 278 . 265 .249 . 2500 . 234 . 219 .203 . 184 .162 . 3000 . 137 . 110 .086 .065 .047 .3500 .034 .024 .018 .013 .011 .4000 .010 .009 .008 .007 .006 .4500 .005 .004 .003 .003 .002 . 5000 .001 .001 .000 .000 .000 . 5500 .000 .000 .000 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 s r Type. . . . Vol : Elev-Area Page 8.01 Name. . . . ON-SITE POND File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Title. . . Existing Elevation Planimeter Area Al+A2+sgr(A1*A2) Volume Volume Sum (ft) (sq. in) (acres) (acres) (ac-ft) (ac-ft) 540.00 .0002 .0000 .000 .000 542.00 .0138 .0157 .010 .010 544.00 .0494 .0893 .060 .070 546.00 .0926 . 2096 .140 .210 547.00 . 1084 . 3012 .100 .310 POND VOLUME EQUATIONS * Incremental volume computed by the Conic Method for Reservoir Volumes. Volume = (1/3) * (EL2-EL1) * (Areal + Area2 + sq.rt. (Areal*Area2)) where: ELi, EL2 = Lower and upper elevations of the increment Areal ,Area2 = Areas computed for ELi , EL2, respectively Volume = Incremental volume between ELi and EL2 S/N: E214O1DO6A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 v q Type. . . . Outlet Input Data Page 9.01 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW REQUESTED POND WS ELEVATIONS: Min. Elev.= 540.00 ft Increment = .50 ft Max. Elev.= 547.00 ft ********************************************** OUTLET CONNECTIVITY ********************************************** ---> Forward Flow Only (UpStream to DnStream) <--- Reverse Flow Only (DnStream to UpStream) <---> Forward and Reverse Both Allowed Structure No. Outfall El, ft E2, ft Inlet Box IB ---> CV 546.000 547.000 Culvert-Circular CV ---> TW 540.000 547.000 Orifice-Area ---> TW 542.000 547.000 Orifice-Circular ---> TW 540.000 547.000 Orifice-Area ---> TW 543 .000 547.000 TW SETUP, DS Channel S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 < 9 Type. . . . Outlet Input Data Page 9.02 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW OUTLET STRUCTURE INPUT DATA Structure ID = IB Structure Type = Inlet Box # of Openings = 1 Invert Elev. = 546.00 ft Orifice Area = 16.0000 sq.ft Orifice Coeff. = .600 Weir Length = 16.00 ft Weir Coeff. = 3.000 K, Submerged = .000 K, Reverse = 1.000 Kb,Barrel = .000000 (per ft of full flow) Barrel Length = .00 ft Mannings n = .0000 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Outlet Input Data Page 9.03 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW OUTLET STRUCTURE INPUT DATA Structure ID = CV Structure Type = Culvert-Circular No. Barrels = 1 Barrel Diameter = 1 . 5000 ft Upstream Invert = 540.00 ft Dnstream Invert = 539.50 ft Horiz . Length = 40.00 ft Barrel Length = 40.00 ft Barrel Slope = .01250 ft/ft OUTLET CONTROL DATA. . . Mannings n = .0130 Ke = . 5000 (forward entrance loss) Kb = .018213 (per ft of full flow) Kr = . 5000 (reverse entrance loss) HW Convergence = .001 +/- ft INLET CONTROL DATA. . . Equation form = 1 Inlet Control K = .0078 Inlet Control M = 2.0000 Inlet Control c = .02920 Inlet Control Y = . 7400 T1 ratio (HW/D) = 1 . 129 T2 ratio (HW/D) = 1. 201 Slope Factor = - . 500 Use unsubmerged inlet control Form 1 equ. below T1 elev. Use submerged inlet control Form 1 equ. above T2 elev. In transition zone between unsubmerged and submerged inlet control , interpolate between flows at T1 & T2. . . At T1 Elev = 541.69 ft ---> Flow = 7. 58 cfs At T2 Elev = 541.80 ft ---> Flow = 8.66 cfs S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Outlet Input Data Page 9.04 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW OUTLET STRUCTURE INPUT DATA Structure ID = Structure Type = Orifice-Area # of Openings = 1 Invert Elev. = 542.00 ft Area = 2.0000 sq.ft Top of Orifice = .00 ft Datum Elev. = 542.00 ft Orifice Coeff. = . 600 Structure ID = Structure Type = Orifice-Circular # of Openings = 1 Invert Elev. = 540.00 ft Diameter = .5000 ft Orifice Coeff. = .600 Structure ID = Structure Type = Orifice-Area # of Openings = 1 Invert Elev. = 543.00 ft Area = 2.0000 sq.ft Top of Orifice = .00 ft Datum Elev. = 543.00 ft Orifice Coeff. = .600 Structure ID = TW Structure Type = TW SETUP, DS Channel FREE OUTFALL CONDITIONS SPECIFIED CONVERGENCE TOLERANCES. . . Maximum Iterations= 30 Min. TW tolerance = .01 ft Max. TW tolerance = .01 ft Min. HW tolerance = .01 ft Max. HW tolerance = .01 ft Min. Q tolerance = . 10 cfs Max. Q tolerance = . 10 cfs S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Individual Outlet Curves Page 9.05 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW RATING TABLE FOR ONE OUTLET TYPE Structure ID = IB (Inlet Box) Upstream ID = (Pond Water Surface) DNstream ID = CV (Culvert-Circular) Pond WS. Device (into) Converge Next DS HGL Q SUM DS Chan. TW Elev. Q HW HGL DS HGL DS HGL Error Error TW Error ft cfs ft ft ft +/-ft +/-cfs ft +/-ft 540.00 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 540.50 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 541.00 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 541. 50 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 542.00 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 542. 50 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 543 .00 .00 . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 543 . 50 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 544.00 .00 . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 544. 50 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 545.00 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 545.50 .00 . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 546.00 .00 . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 546. 50 16.97 546. 50 Free 544. 18 .000 .000 Free Outfall Weir: H =.50 547.00 23.27 547.00 547.00 547.00 .000 .000 Free Outfall DS HGL+Loss > crest: Flow set to Downstream outlet. S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45 :00 Date: 01/18/2005 Type. . . . Individual Outlet Curves Page 9.06 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW RATING TABLE FOR ONE OUTLET TYPE Structure ID = CV (Culvert-Circular) Mannings open channel maximum capacity: 12.63 cfs UPstream ID = IB (Inlet Box) DNstream ID = TW (Pond Outfall) Pond WS. Device ( into) Converge Next DS HGL Q SUM DS Chan . TW Elev. Q HW HGL DS HGL DS HGL Error Error TW Error ft cfs ft ft ft +/-ft +/-cfs ft +/-ft 540.00 .00 . . . . . . . . . . . . . . . Free Outfall WS below an invert; no flow. 540. 50 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv.El 541 .00 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv.El 541 . 50 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv. El 542.00 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv. El 542.50 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv.El 543.00 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv. El 543 . 50 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv. El 544.00 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv.El 544. 50 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS : Upstream HW & DNstream TW < Inv.El 545.00 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS : Upstream HW & DNstream TW < Inv.El 545. 50 .00 . . . . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv.El 546.00 .00 . . . . . . . . . . . . Free Outfall REMARKS: Upstream HW & DNstream TW < Inv.El 546. 50 16.97 544. 18 Free Free .000 .002 Free Outfall FULL FLOW. . .Lfull=38.70ft Vh=1.433ft HL=3. 159ft 547.00 23 .27 547.00 Free Free .000 .000 Free Outfall FULL FLOW. . .Lfull=39.83ft Vh=2.695ft HL=5.998ft S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 R l Type. . . . Individual Outlet Curves Page 9 .07 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW RATING TABLE FOR ONE OUTLET TYPE Structure ID = (Orifice-Area) Upstream ID = (Pond Water Surface) DNstream ID = TW (Pond Outfall) WS Elev,Device Q Tail Water Notes WS Elev. Q TW Elev Converge ft cfs ft +/-ft Computation Messages 540.00 .00 Free Outfall WS below an invert; no flow. 540. 50 .00 Free Outfall WS below an invert; no flow. 541.00 .00 Free Outfall WS below an invert; no flow. 541.50 .00 Free Outfall WS below an invert; no flow. 542.00 .00 Free Outfall WS below an invert; no flow. 542. 50 6.81 Free Outfall H =.SO 543.00 9.63 Free Outfall H =1.00 543 .50 11. 79 Free Outfall H =1 . 50 544.00 13.61 Free Outfall H =2.00 544. 50 15. 22 Free Outfall H =2.50 545.00 16.67 Free Outfall H =3.00 545.50 18.01 Free Outfall H =3. 50 546.00 19. 25 Free Outfall H =4.00 546. 50 20.42 Free Outfall H =4. 50 547.00 21. 52 Free Outfall H =5.00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Individual Outlet Curves Page 9.08 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW RATING TABLE FOR ONE OUTLET TYPE Structure ID = (Orifice-Circular) Upstream ID = (Pond Water Surface) DNstream ID = TW (Pond Outfall) WS Elev,Device Q Tail Water Notes WS Elev. Q TW Elev Converge ft cfs ft +/-ft Computation Messages 540.00 .00 Free Outfall WS below an invert; no flow. 540. 50 .47 Free Outfall H =. 25 541.00 .82 Free Outfall H =.75 541. 50 1.06 Free Outfall H =1.25 542.00 1. 25 Free Outfall H =1 .75 542.50 1.42 Free Outfall H =2.25 543.00 1. 57 Free Outfall H =2.75 543.50 1.70 Free Outfall H =3 .25 544.00 1.83 Free Outfall H =3.75 544.50 1.95 Free Outfall H =4.25 545.00 2.06 Free Outfall H =4.75 545. 50 2. 17 Free Outfall H =5.25 546.00 2. 27 Free Outfall H =5.75 546.50 2.36 Free Outfall H =6.25 547.00 2.46 Free Outfall H =6.75 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Individual Outlet Curves Page 9.09 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW RATING TABLE FOR ONE OUTLET TYPE Structure ID = (Orifice-Area) Upstream ID = (Pond Water Surface) DNstream ID = TW (Pond Outfall) WS Elev,Device Q Tail Water Notes WS Elev. Q TW Elev Converge ft cfs ft +/-ft Computation Messages 540.00 .00 Free Outfall WS below an invert; no flow. 540. 50 .00 Free Outfall WS below an invert; no flow. 541.00 .00 Free Outfall WS below an invert; no flow. 541. 50 .00 Free Outfall WS below an invert; no flow. 542.00 .00 Free Outfall WS below an invert; no flow. 542. 50 .00 Free Outfall WS below an invert; no flow. 543.00 .00 Free Outfall WS below an invert; no flow. 543.50 6.81 Free Outfall H =.50 544.00 9.63 Free Outfall H =1.00 544. 50 11. 79 Free Outfall H =1. 50 545.00 13.61 Free Outfall H =2.00 545. 50 15. 22 Free Outfall H =2. 50 546.00 16.67 Free Outfall H =3.00 546. 50 18.01 Free Outfall H =3.50 547.00 19. 25 Free Outfall H =4.00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Composite Rating Curve Page 9. 10 Name. . . . OUTLET File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW ***** COMPOSITE OUTFLOW SUMMARY **** WS Elev, Total Q Notes Converge Elev. Q TW Elev Error ft cfs ft +/-ft Contributing Structures 540.00 .00 Free Outfall (no Q: IB,CV, , , ) 540. 50 .47 Free Outfall (no Q: IB,CV„ ) 541.00 .82 Free Outfall (no Q: IB,CV„ ) 541 .50 1.06 Free Outfall (no Q: IB,CV„ ) 542.00 1 .25 Free Outfall (no Q: IB,CV„ ) 542.50 8. 22 Free Outfall , (no Q: IB,CV, ) 543.00 11.19 Free Outfall , (no Q: IB,CV, ) 543. 50 20. 30 Free Outfall „ (no Q: IB,CV) 544.00 25.07 Free Outfall „ (no Q: IB,CV) 544. 50 28.96 Free Outfall „ (no Q: IB,CV) 545.00 32.35 Free Outfall „ (no Q: IB,CV) 545.50 35.39 Free Outfall „ (no Q: IB,CV) 546.00 38. 19 Free Outfall (no Q: IB,CV) 546. 50 57.76 Free Outfall IB,CV, , , 547.00 66. 50 Free Outfall IB,CV, , , S/N: E214O1DO6A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Pond E-V-Q Table Page 10.01 Name. . . . ON-SITE POND File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW LEVEL POOL ROUTING DATA HYG Dir = D:\COXWOOLLEYBU\CRUTCHFIELD\POND\ Inflow HYG file = NONE STORED - ON-SITE POND IN 1OOyr Outflow HYG file = NONE STORED - ON-SITE POND OUT 1OOyr Pond Node Data = ON-SITE POND Pond Volume Data = ON-SITE POND Pond Outlet Data = OUTLET No Infiltration INITIAL CONDITIONS Starting WS Elev = 540.00 ft Starting Volume = .000 ac-ft Starting Outflow = .00 cfs Starting Infiltr . = .00 cfs Starting Total Qout= .00 cfs Time Increment = .0100 hrs Elevation Outflow Storage Area Infilt. Q Total 2S/t + 0 ft cfs ac-ft acres cfs cfs cfs 540.00 .00 .000 .0002 .00 .00 .00 540.50 .47 .000 .0016 .00 .47 1 .43 541 .00 .82 .002 .0043 .00 .82 5. 22 541.50 1.06 .005 .0084 .00 1 .06 13 .03 542.00 1. 25 .010 .0138 .00 1 .25 26. 52 542 .50 8.22 .019 .0206 .00 8. 22 54. 19 543.00 11.19 .031 .0289 .00 11 . 19 86.97 543.50 20.30 .048 .0384 .00 20.30 136.65 544.00 25.07 .070 .0494 .00 25.07 194.42 544. 50 28.96 .097 .0589 .00 28. 96 263.77 545.00 32. 35 .129 .0693 .00 32. 35 344.67 545. 50 35.39 . 166 .0805 .00 35. 39 438. 29 546.00 38.19 .210 .0926 .00 38.19 545.75 546. 50 57. 76 .258 . 1003 .00 57. 76 682.02 547.00 66. 50 .310 . 1084 .00 66. 50 817.03 S/N: E214O1DO6A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Node: Pond Inflow Summary Page 10.02 Name. . . . ON-SITE POND IN Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 2yr Tag: 2yr SUMMARY FOR HYDROGRAPH ADDITION at Node: ON-SITE POND IN HYG Directory: D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Upstream Link ID Upstream Node ID HYG file HYG ID HYG tag WARNING: Missed peak when adding hydrograph. . . ADD DEVELOPED DEVELOPED 2yr INFLOWS TO: ON-SITE POND IN Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs DEVELOPED 2yr . 510 .1333 46.32 TOTAL FLOW INTO: ON-SITE POND IN Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs ON-SITE POND IN 2yr . 510 .1300 45. 17 S/N: E21401DO6A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Node: Pond Inflow Summary Page 10.03 Name. . . . ON-SITE POND IN Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr TOTAL NODE INFLOW. . . HYG file = HYG ID = ON-SITE POND IN HYG Tag = 2yr Peak Discharge = 45.17 cfs Time to Peak = . 1300 hrs HYG Volume = . 510 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 3.47 6.95 10.42 13.90 .0500 17.37 20.85 24.32 27.80 31.27 .1000 34.75 38.22 41 .69 45 .17 43.99 .1500 40.51 37.04 33 .56 30.09 26.61 . 2000 23 . 14 19.67 16.19 12.72 9.24 .2500 5.77 2. 29 .38 S/N: E21401D06A89 The Cox Company PondPack Ver . 7 . 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Node: Pond Inflow Summary Page 10.04 Name. . . . ON-SITE POND IN Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb l0yr Tag: l0yr SUMMARY FOR HYDROGRAPH ADDITION at Node: ON-SITE POND IN HYG Directory: D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Upstream Link ID Upstream Node ID HYG file HYG ID HYG tag WARNING: Missed peak when adding hydrograph. . . ADD DEVELOPED DEVELOPED 10yr INFLOWS TO: ON-SITE POND IN Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs DEVELOPED l0yr .670 .1333 60.84 TOTAL FLOW INTO: ON-SITE POND IN Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs ON-SITE POND IN l0yr .670 .1300 59. 33 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Node: Pond Inflow Summary Page 10.05 Name. . . . ON-SITE POND IN Event : 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 10yr Tag: 10yr TOTAL NODE INFLOW. . . HYG file = HYG ID = ON-SITE POND IN HYG Tag = l0yr Peak Discharge = 59.33 cfs Time to Peak = . 1300 hrs HYG Volume = .670 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 4. 56 9. 13 13.69 18.26 .0500 22 .82 27. 38 31.95 36. 51 41.07 . 1000 45.64 50.20 54.77 59.33 57.78 . 1500 53. 21 48.65 44.09 39. 52 34.96 . 2000 30.40 25.83 21.27 16.70 12.14 . 2500 7. 58 3.01 . 50 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 s p Type. . . . Node: Pond Inflow Summary Page 10.06 Name. . . . ON-SITE POND IN Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr SUMMARY FOR HYDROGRAPH ADDITION at Node: ON-SITE POND IN HYG Directory: D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Upstream Link ID Upstream Node ID HYG file HYG ID HYG tag WARNING: Missed peak when adding hydrograph. . . ADD DEVELOPED DEVELOPED 100yr INFLOWS TO: ON-SITE POND IN Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs DEVELOPED 100yr 1 .081 .1333 78. 54 TOTAL FLOW INTO: ON-SITE POND IN Volume Peak Time Peak Flow HYG file HYG ID HYG tag ac-ft hrs cfs ON-SITE POND IN 100yr 1.081 .1400 78. 54 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Node: Pond Inflow Summary Page 10.07 Name. . . . ON-SITE POND IN Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 10Oyr Tag: 1OOyr TOTAL NODE INFLOW. . . HYG file = HYG ID = ON-SITE POND IN HYG Tag = 1O0yr Peak Discharge = 78. 54 cfs Time to Peak = .1400 hrs HYG Volume = 1 .081 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 5.89 11 .78 17.67 23.57 .0500 29.46 35.35 41 .24 47.13 53.02 .1000 58.92 64.81 70. 70 76.59 78.54 .1500 78.54 78. 54 75.92 70.68 64.79 .2000 58.90 53.01 47. 11 41.22 35.33 . 2500 29.44 23. 55 17.66 11.76 5.87 .3000 1 .30 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Pond Routing Summary Page 10.08 Name. . . . ON-SITE POND OUT Tag: 2yr Event : 2 yr File. . .. D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr LEVEL POOL ROUTING SUMMARY HYG Dir = D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Inflow HYG file = NONE STORED - ON-SITE POND IN 2yr Outflow HYG file = NONE STORED - ON-SITE POND OUT 2yr Pond Node Data = ON-SITE POND Pond Volume Data = ON-SITE POND Pond Outlet Data = OUTLET No Infiltration INITIAL CONDITIONS Starting WS Elev = 540.00 ft Starting Volume = .000 ac-ft Starting Outflow = .00 cfs Starting Infiltr . = .00 cfs Starting Total Qout= .00 cfs Time Increment = .0100 hrs INFLOW/OUTFLOW HYDROGRAPH SUMMARY Peak Inflow = 45.17 cfs at . 1300 hrs Peak Outflow = 32.14 cfs at . 1700 hrs Peak Elevation = 544.97 ft Peak Storage = .127 ac-ft MASS BALANCE (ac-ft) + Initial Vol = .000 + HYG Vol IN = .510 - Infiltration = .000 - HYG Vol OUT = . 510 - Retained Vol = .000 Unrouted Vol = - .000 ac-ft ( .000% of Inflow Volume) S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 8 t Type. . . . Pond Routed HYG (total out) Page 10.09 Name. . . . ON-SITE POND OUT Tag: 2yr Event: 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr POND ROUTED TOTAL OUTFLOW HYG. . . HYG file = HYG ID = ON-SITE POND OUT HYG Tag = 2yr Peak Discharge = 32. 14 cfs Time to Peak = . 1700 hrs HYG Volume = . 510 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .66 1.04 1 .59 6.92 .0500 9.33 11. 11 15.22 19.20 21.51 . 1000 23.41 25.41 27.04 28.88 30.21 . 1500 31.22 31 .85 32. 14 32.12 31 .80 .2000 31 .22 30.40 29.35 27.82 25.93 .2500 23. 29 19.88 13.08 9.76 7.57 .3000 3 .76 1 .86 1.23 1.20 1 .16 . 3500 1 .13 1. 10 1.06 1 .01 .95 .4000 .89 .84 .72 . 59 .48 .4500 .18 .06 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Pond Routing Summary Page 10. 10 Name. . . . ON-SITE POND OUT Tag: 10yr Event : 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 10yr Tag: 10yr LEVEL POOL ROUTING SUMMARY HYG Dir = D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Inflow HYG file = NONE STORED - ON-SITE POND IN 10yr Outflow HYG file = NONE STORED - ON-SITE POND OUT 10yr Pond Node Data = ON-SITE POND Pond Volume Data = ON-SITE POND Pond Outlet Data = OUTLET No Infiltration INITIAL CONDITIONS Starting WS Elev = 540.00 ft Starting Volume = .000 ac-ft Starting Outflow = .00 cfs Starting Infiltr . = .00 cfs Starting Total Qout= .00 cfs '> Time Increment = .0100 hrs ' G 5 2C . INFLOW/OUTFLOW HYDROGRAPH SUMMARY Peak Inflow = 59.33 cfs at .1300 hrs Peak Outflow = 37.60 cfs at .1800 hrs Peak Elevation = 545.89 ft Peak Storage = . 200 ac-ft MASS BALANCE (ac-ft) + Initial Vol = .000 + HYG Vol IN = .670 - Infiltration = .000 - HYG Vol OUT = .670 - Retained Vol = .000 Unrouted Vol = - .000 ac-ft ( .000% of Inflow Volume) S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Q 4 Type. . . . Pond Routed HYG (total out) Page 10. 11 Name. . . . ON-SITE POND OUT Tag: l0yr Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb l0yr Tag: l0yr POND ROUTED TOTAL OUTFLOW HYG. . . HYG file = HYG ID = ON-SITE POND OUT HYG Tag = 10yr Peak Discharge = 37.60 cfs Time to Peak = . 1800 hrs HYG Volume = .670 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .76 1. 11 3.98 8.87 .0500 10.98 15.95 20.60 22.85 25 .35 . 1000 27.37 29.49 31.42 33. 29 34.94 . 1500 36. 10 36.87 37.37 37.60 37.58 . 2000 37.32 36.84 36.15 35.23 33 .87 . 2500 32.30 30.03 27.23 23.75 19.26 . 3000 12.20 9.48 6.94 3.44 1 .71 . 3500 1. 23 1 .19 1. 16 1. 12 1 .09 .4000 1.06 1 .00 .94 .88 .83 .4500 .70 . 57 .45 .15 .05 . 5000 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Pond Routing Summary Page 10. 12 Name. . . . ON-SITE POND OUT Tag: 100yr Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr LEVEL POOL ROUTING SUMMARY HYG Dir = D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Inflow HYG file = NONE STORED - ON-SITE POND IN 100yr Outflow HYG file = NONE STORED - ON-SITE POND OUT 100yr Pond Node Data = ON-SITE POND Pond Volume Data = ON-SITE POND Pond Outlet Data = OUTLET No Infiltration INITIAL CONDITIONS Starting WS Elev = 540.00 ft Starting Volume = .000 ac-ft Starting Outflow = .00 cfs Starting Infiltr . = .00 cfs Starting Total Qout= .00 cfs Time Increment = .01Q9Jars INFLOW/OUTFLOW HYDROGRAPH SUMMARY Peak Inflow = 78.54 cfs at . 1400 hrs Peak Outflow = 64.09 cfs at .1900 hrs Peak Elevation = 546.86 ft Peak Storage = .295 ac-ft MASS BALANCE (ac-ft) + Initial Vol = .000 + HYG Vol IN = 1 .081 - Infiltration = .000 - HYG Vol OUT = 1 .081 - Retained Vol = .000 Unrouted Vol = - .000 ac-ft ( .000% of Inflow Volume) S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 ~ Type. . . . Pond Routed HYG (total out) Page 10. 13 Name. . . . ON-SITE POND OUT Tag: 100yr Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr POND ROUTED TOTAL OUTFLOW HYG. . . HYG file = HYG ID = ON-SITE POND OUT HYG Tag = 100yr Peak Discharge = 64.09 cfs Time to Peak = .1900 hrs HYG Volume = 1 .081 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .84 1. 18 6.91 10.24 .0500 15.22 20.85 23.73 26.45 29.07 . 1000 31.32 33 . 54 35.69 37.67 46.76 . 1500 55.88 59.85 62.10 63.55 64.09 . 2000 63 .80 62.78 61 .14 58.94 54.44 . 2500 48.10 41 .90 37. 75 36.55 35.04 .3000 32.99 30.41 27. 50 24.10 19.90 .3500 12.61 9.61 7.23 3 .59 1.78 .4000 1.23 1. 19 1 .16 1.13 1.09 .4500 1.06 1.00 .94 .89 .83 .5000 .71 . 58 .47 .16 .05 . 5500 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 . Type. . . . Diverted Hydrograph Page 10. 14 Name. . . . OUTLET Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Storm. . . Alb 2yr Tag: 2yr DIVERTED HYDROGRAPH. . . HYG file = HYG ID = OUTLET HYG Tag = 2yr Peak Discharge = 32. 14 cfs Time to Peak = . 1700 hrs HYG Volume = .510 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .66 1 .04 1.59 6.92 .0500 9.33 11 .11 15. 22 19.20 21.51 .1000 23.41 25.41 27.04 28.88 30.21 .1500 31 .22 31.85 32.14 32. 12 31.80 . 2000 31 .22 30.40 29.35 27.82 25.93 .2500 23.29 19.88 13 .08 9.76 7.57 .3000 3 .76 1 .86 1. 23 1 .20 1.16 .3500 1 . 13 1. 10 1.06 1.01 .95 .4000 .89 .84 .72 . 59 .48 .4500 .18 .06 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Diverted Hydrograph Page 10. 15 Name. . . . OUTLET Event : 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Storm. . . Alb 10yr Tag: 10yr DIVERTED HYDROGRAPH . . . HYG file = HYG ID = OUTLET HYG Tag = 10yr Peak Discharge = 37.60 cfs Time to Peak = . 1800 hrs HYG Volume = .670 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .76 1 .11 3.98 8.87 .0500 10.98 15.95 20.60 22.85 25.35 .1000 27.37 29.49 31 .42 33.29 34.94 .1500 36.10 36.87 37.37 37.60 37.58 . 2000 37.32 36.84 36. 15 35.23 33.87 . 2500 32.30 30.03 27. 23 23.75 19.26 .3000 12. 20 9.48 6.94 3 .44 1.71 .3500 1. 23 1 .19 1. 16 1.12 1.09 .4000 1 .06 1.00 .94 .88 .83 .4500 .70 . 57 .45 .15 .05 . 5000 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Diverted Hydrograph Page 10.16 Name. . . . OUTLET Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Storm. . . Alb 100yr Tag: 100yr DIVERTED HYDROGRAPH. . . HYG file = HYG ID = OUTLET HYG Tag = 100yr Peak Discharge = 64.09 cfs Time to Peak = .1900 hrs HYG Volume = 1 .081 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0000 .00 .84 1 .18 6.91 10.24 .0500 15.22 20.85 23. 73 26.45 29.07 .1000 31. 32 33.54 35.69 37.67 46.76 . 1500 55.88 59.85 62. 10 63. 55 64.09 . 2000 63.80 62.78 61. 14 58.94 54.44 . 2500 48. 10 41.90 37. 75 36. 55 35.04 .3000 32.99 30.41 27. 50 24.10 19.90 .3500 12.61 9.61 7. 23 3 .59 1.78 .4000 1. 23 1.19 1. 16 1. 13 1.09 .4500 1 .06 1.00 .94 .89 .83 . 5000 .71 . 58 .47 .16 .05 . 5500 .02 .01 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 , f Type. . . . C and Area Page 11 .01 Name. . . . DEVELOPED File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Title. . . Dev. RATIONAL C COEFFICIENT DATA Dev. Area C x Area Soil/Surface Description C acres acres Offsite Pavement/Parking .9000 .530 .477 Offsite Buildings .8500 .120 .102 Public Roads .9000 .380 .342 Building Footprint .8500 1.990 � 3 0-C- SL.692 Parking/Pavement .9000 3.170 L�` p2.853 Sidewalk/Hardscape .8500 .110 11`x) .094 Pervious Land .3000 13 . 0 4.170 WEIGHTED C & TOTAL AREA ---> .4816 20.200 9.729 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Rational Predev. Peak Q Page 11 .02 Name. . . . DEVELOPED Event: 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr SUMMARY OF RATIONAL METHOD PEAK DISCHARGES PREDEVELOPED CONDITIONS --- Q = CiA * Units Conversion ; Where Conversion = 43560 / (12 * 3600) Tag Freq File IDF Curve 2yr 2 STORMS . IDF Alb 2yr Tc = .1333 hrs Tag Freq C C adj I C I Area 1 Peak Q (years) factor I final in/hr acres I cfs I I 2yr 2 .436 1.000 I .436 4.7215 20. 200 1 41.93 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Mod. Rational Graph Page 11 .03 Name. . . . DEVELOPED Tag: 2yr Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 2yr Tag: 2yr MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage - --- Method I Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) ********************************************************************** * RETURN FREQUENCY: 2 yr 1 Allowable Outflow: 41.93 cfs * 'C' Adjustment : 1 .000 1 Required Storage: .049 ac-ft * STORM DURATION = Tc for Max.Storage * * * Peak Inflow: 46. 32 cfs * .HYG File: 2yr * ********************************************************************** Q Tc= .1333 hrs I = 4.7215 in/hr Area = 20.200 acres . Q = 46.32 cfs Weighted C = .482 Adjusted C = .482 Required Storage .049 ac-ft • I • I • • I • 0 0 o Q = 41 .93 cfs o (Allow.Outflow) 0 o NOT TO SCALE . o 0 . 1459 hrs T S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Mod. Rational Storm Calcs Page 11 .04 Name. . . . DEVELOPED Tag: 2yr Event: 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 2yr Tag: 2yr MODIFIED RATIONAL METHOD ---- Summary for Single Storm Frequency ---- Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) RETURN FREQUENCY: 2 yr 'C ' Adjustment = 1 .000Allowable Q = 41. 93 cfs Hydrograph Storm Duration, Td = . 1333 hrs Tc = .1333 hrs Hydrograph File: 2yr VOLUMES Wtd. Adjusted Duration Intens. Area Qpeak I Inflow Storage C' 'C' hrs in/hr acres cfs 1 ac-ft ac-ft 1 .482 .482 .1667 4.2052 20.200 41 .25 I Qpeak < Qallow S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45:00 Date: 01/18/2005 Type. . . . Mod. Rational Hyg Page 11 .05 Name. . . . DEVELOPED Tag: 2yr Event : 2 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Storm. . . Alb 2yr Tag: 2yr MODIFIED RATIONAL METHOD HYDROGRAPH Q = CiA * Units Conversion ; Where Conversion = 43560 / (12 * 3600) Tag Freq File IDF Curve 2yr 2 STORMS . IDF Alb 2yr Td = . 1333 hrs Tag Freq C C adj I C I Area I Peak Q (years) factor I final in/hr acres I cfs I I 2yr 2 .482 1 .000 I .482 4.7215 20. 200 I 46.32 HYG file = HYG ID = DEVELOPED HYG Tag = 2yr Peak Discharge = 46.32 cfs Time to Peak = . 1333 hrs HYG Volume = .510 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0033 1 . 15 4.62 8.10 11.57 15.04 .0533 18. 52 21 .99 25.47 28.94 32.42 .1033 35.89 39.37 42.84 46.32 42.84 .1533 39.37 35 .89 32.42 28.94 25.47 .2033 21 .99 18. 52 15.04 11 .57 8.10 . 2533 4.62 1 . 15 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Rational Predev. Peak Q Page 11 .06 Name. . . . DEVELOPED Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 10yr Tag: 10yr SUMMARY OF RATIONAL METHOD PEAK DISCHARGES PREDEVELOPED CONDITIONS --- Q = CiA * Units Conversion ; Where Conversion = 43560 / (12 * 3600) Tag Freq File IDF Curve 10yr 10 STORMS . IDF Alb 10yr Tc = . 1333 hrs Tag Freq C C adj I C I Area 1 Peak Q (years) factor 1 final in/hr acres 1 cfs 1 I 10yr 10 .436 1.000 1 .436 6. 2018 20. 200 I 55.08 S/N: E21401D06A89 The Cox Company PondPack Ver . 7 . 5 (786c) Compute Time: 12 :45 :00 Date: 01/18/2005 Type. . . . Mod. Rational Graph Page 11 .07 Name. . . . DEVELOPED Tag: 10yr Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 10yr Tag: 10yr MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage - --- Method I Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY: 10 yr I Allowable Outflow: 55.08 cfs * 'C' Adjustment: 1.000 I Required Storage: .063 ac-ft * STORM DURATION = Tc for Max.Storage * * * Peak Inflow: 60.84 cfs * .HYG File: 10yr Q Tc= .1333 hrs I = 6.2018 in/hr Area = 20. 200 acres . Q = 60.84 cfs Weighted C = .482 . . Adjusted C = .482 Required Storage .063 ac-ft • I • • I • • I • • 0 0 o Q = 55.08 cfs o . (Allow.Outflow) 0 o NOT TO SCALE 0 0 . 1459 hrs T S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . Mod. Rational Storm Calcs Page 11 .08 Name. . . . DEVELOPED Tag: 10yr Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb l0yr Tag: 10yr MODIFIED RATIONAL METHOD ---- Summary for Single Storm Frequency ---- Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) RETURN FREQUENCY: 10 yr 'C ' Adjustment = 1 .000Allowable Q = 55 .08 cfs Hydrograph Storm Duration, Td = .1333 hrs Tc = . 1333 hrs Hydrograph File: l0yr VOLUMES Wtd. Adjusted Duration Intens. Area Qpeak 1 Inflow Storage 'C' 'C' hrs in/hr acres cfs 1 ac-ft ac-ft .482 .482 .1667 5.6060 20. 200 54. 99 1 Qpeak < Qallow S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Mod. Rational Hyg Page 11.09 Name. . . . DEVELOPED Tag: 10yr Event: 10 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Storm. . . Alb 10yr Tag: l0yr MODIFIED RATIONAL METHOD HYDROGRAPH Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) Tag Freq File IDF Curve l0yr 10 STORMS . IDF Alb 10yr Td = .1333 hrs Tag Freq C C adj I C I Area 1 Peak Q (years) factor 1 final in/hr acres 1 cfs I I 10yr 10 .482 1.000 I .482 6.2018 20. 200 1 60.84 HYG file = HYG ID = DEVELOPED HYG Tag = 10yr Peak Discharge = 60.84 cfs Time to Peak = .1333 hrs HYG Volume = .670 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0033 1. 51 6.07 10.63 15.20 19.76 .0533 24. 33 28.89 33 .45 38.02 42.58 . 1033 47. 14 51 .71 56.27 60.84 56.27 . 1533 51.71 47.14 42.58 38.02 33.45 . 2033 28.89 24.33 19.76 15.20 10.63 . 2533 6.07 1 .51 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Type. . . . Rational Predev. Peak Q Page 11 . 10 Name. . . . DEVELOPED Event: 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Storm. . . Alb 100yr Tag: 100yr SUMMARY OF RATIONAL METHOD PEAK DISCHARGES PREDEVELOPED CONDITIONS --- Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) Tag Freq File IDF Curve 100yr 100 STORMS. IDF Alb 100yr Tc = .1333 hrs Tag Freq C C adj 1 C I Area 1 Peak Q (years) factor 1 final in/hr acres 1 cfs 1 I 100yr 100 .436 1.000 1 .436 8.6218 20. 200 1 76.57 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 A r Type. . . . Mod. Rational Graph Page 11 . 11 Name. . . . DEVELOPED Tag: 1O0yr Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 100yr Tag: 100yr MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage - --- Method I Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) ********************************************************************** * RETURN FREQUENCY: 100 yr I Allowable Outflow: 76. 57 cfs * 'C' Adjustment: 1 .000 I Required Storage: . 133 ac-ft * * Peak Inflow: 78. 54 cfs * * .HYG File: 1OOyr * ********************************************************************** Q I Td = . 1667 hrs I Return Freq: 100 yr Approx. Duration for Max. Storage / C adj .factor :1.000 Tc= .1333 hrs I = 8.6218 in/hr Area = 20.200 acres Q = 84. 58 cfs Weighted C = .482 • . Adjusted C = .482 • I • Required Storage . -- . 133 ac-ft Td= .1667 hrs I = 8.0062 in/hr x x x x x x x I x x x x x x x x x x x Q = 78.54 cfs • x x o Q = 76.57 cfs • x o x (Allow.Outflow) • x o • x o . NOT TO SCALE x . x o o x .1700 hrs T S/N: E214O1D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 • Type. . . . Mod. Rational Storm Calcs Page 11 .12 Name. . . . DEVELOPED Tag: 100yr Event: 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD. PPW Storm. . . Alb 100yr Tag: 100yr MODIFIED RATIONAL METHOD ---- Summary for Single Storm Frequency ---- Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) RETURN FREQUENCY: 100 yr 'C' Adjustment = 1 .000Allowable Q = 76.57 cfs Hydrograph Storm Duration, Td = .1667 hrs Tc = . 1333 hrs Hydrograph File: 100yr VOLUMES Wtd. Adjusted Duration Intens. Area Qpeak I Inflow Storage 'C' 'C ' hrs in/hr acres cfs I ac-ft ac-ft .482 .482 . 1333 8.6218 20. 200 84.58 I .932 .090 ************************************************************ Storage Maximum .482 .482 . 1667 8.0062 20. 200 78. 54 I 1.082 . 133 **************************************************************************** .482 .482 . 2500 6.8000 20. 200 66.70 1 Qpeak < Qallow S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12 :45 :00 Date: 01/18/2005 Type. . . . Mod. Rational Hyg Page 11. 13 Name. . . . DEVELOPED Tag: 100yr Event : 100 yr File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\ Storm. . . Alb 100yr Tag: 100yr MODIFIED RATIONAL METHOD HYDROGRAPH Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) Tag Freq File IDF Curve 100yr 100 STORMS . IDF Alb 100yr Td = . 1667 hrs Tag Freq C C adj I C I Area 1 Peak Q (years) factor 1 final in/hr acres 1 cfs 1 1 100yr 100 .482 1.000 1 .482 8.0062 20. 200 1 78.54 HYG file = HYG ID = DEVELOPED HYG Tag = 100yr Peak Discharge = 78.54 cfs Time to Peak = .1333 hrs HYG Volume = 1.081 ac-ft HYDROGRAPH ORDINATES (cfs) Time Output Time increment = .0100 hrs hrs Time on left represents time for first value in each row. .0033 1 .94 7.84 13.73 19.62 25.51 .0533 31 .40 37.29 43. 19 49.08 54.97 .1033 60.86 66.75 72.64 78.54 78.54 . 1533 78. 54 78.54 74.63 68.74 62.84 .2033 56.95 51 .06 45.17 39. 28 33.39 .2533 27.49 21 .60 15.71 9.82 3.93 .3033 .00 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005 Type. . . . C and Area Page 11 . 14 Name. . . . PRE-DEVELOPED File. . . . D: \COXWOOLLEYBU\CRUTCHFIELD\POND\CRUTCHFIELD.PPW Title. . . Pre-Developed RATIONAL C COEFFICIENT DATA Pre-Developed Area C x Area Soil/Surface Description C acres acres Offsite Pavement/Parking .9000 . 530 .477 Offsite Building .8500 . 120 ('{ .102 Public Roads .9000 .380 3., .342 Building Footprint .8500 1 .990 0.0-_„,,„‘k 1.692 Pavement .9000 1 .420q�V 1.278 Hardscape .8500 .030 �� ) .026 Gravel Parking .7000 .430, .301 Pervious Land 03000) 15.300 4. 590 WEIGHTED C & TOTAL AREA ---> .4360 20. 200 8.807 2V-"t ,./; i —. I (IC\ 13 .61 , P(t. — - , X1-'1 `� ) 9- �- PaS -- ;-? ()s „leeV ` r, ���N li zleY' t( t'\_, 4 cam- 0 f `) .°S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45 :00 Date: 01/18/2005 Appendix A A-1 Index of Starting Page Numbers for ID Names D DEVELOPED. . . 11 .01 , 11.02 , 11 .03 , 11.04, 11 .05 , 11 .06, 11 .07, 11 .08, 11.09, 11 .10, 11 . 11 , 11 . 12, 11 .13 DEVELOPED TC. . . 4.01 I IDF Storms 10. . . 3 .01 0 ON-SITE POND. . . 8.01, 10.01 ON-SITE POND IN 2yr . . . 10.02, 10.04, 10.06 ON-SITE POND OUT 2yr. . . 6.01 , 7.01 , 10.08, 10.09, 6.02, 7.02, 10. 10, 10.11, 6.03, 7.03 , 10.12 , 10. 13 OUTFALL 2yr . . . 5.01 , 5.03 , 5.05 OUTLET. . . 9.01, 9.05, 9.10, 10. 14, 10.15, 10.16 P PRE-DEVELOPED. . . 11 .14 PRE-DEVELOPED TC. . . 4.03 W Watershed. . . 1.01, 1.02, 2.01 , 2.02, 2.03, 2.05, 2.06, 2.07, 2.08 S/N: E21401D06A89 The Cox Company PondPack Ver . 7. 5 (786c) Compute Time: 12:45:00 Date: 01/18/2005