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525 Cliff Rd - HydroCAD Rain Event Report
2.5' Rain Event Type 1124-hr Rainfa11=2.50" Prepared by {enter your company name here} Page 1 HydroCAD@ 6.00 s/n 000980 O 1986-2001 Applied Microcomputer Systems 11/14/01 Time span=0.00-24.00 hrs, dt=0.10 hrs, 241 points Runoff by SCS TR-20 method, UH=SCS, Type II 24-hr Rainfa11=2.50" Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 1S: Pond Area Subcatchmertt 2S: BIdgVPk Lot Area East Subcatchment 3S: Roadway area Tc=10.0 min CN=65 Area=0.950 ac Runoff= 0.27 cfs 0.024 af Tc=8.0 min CN=84 Area=1.570 ac Runoff= 2.55 cfs 0.146 af Tc=8.0 min CN=83 Area=0.580 ac Runoff= 0.89 cfs 0.051 af Subcatchment 4S: Northem Area, Drains West Tc=30.0 min CN=69 Area=2.060 ac Runoff= 0.53 cfs 0.071 af Subcatchment 55: BIdgIPk Lot Area West Tc=8.0 min CN=83 Area=2.390 ac Runoff= 3.65 cfs 0210 af Reach 2R: From CB 1 to Pond 1 Inflow= 6.97 cfs 0.407 af Length= 74.0' Max Vel= 5.4 fps Capacity= 8.63 cfs Outflow= 6.94 cfs 0.407 af Reach 3R: From CB 2 to CB 1 Inflow= 3.37 cfs 0.197 af Length= 170.0' Max Vel= 6.8 fps Capacity= 9.14 cfs Outflow= 3.35 cfs 0.197 af Reach 4R: From CB 3 to CB 2 Inflow= 0.89 cfs 0.051 af Length= 184.0' Max Vel= 4.1 fps Capacity= 7.65 cfs Outflow= 0.87 cfs 0.051 af Pond 1 P: Sediment Pond Peak Storage= 36,417 cf Inflow= 7.18 cfs 0.430 af Primary= 1.08 cfs 0.376 af OutFlow= 1.08 cfs 0.376 af Runoff Area = 7.550 ac Volume = 0.502 af Average Depth = 0.80" .f oN9 fjtl2P - 61.65"Y 4c _ H ?'h? 416 ? 4S ee7b. NUei7 - 0.50z 4?. ft 1S 5S 2S 3S 1 P ?- 2 R Q-- 3 R Q-- 4 R Subcat Reach on Llnk 2.5' Rain Event Type !! 24-hr Rainfa11=2.50" Prepared by {enter your company name here} Page 2 HydroCADO 6.00 s/n 000980 0 1986-2001 Applied Microcomputer Svstems 11114/01 Subcatchment 1S: Pond Area [49] Hint: Tc<2dt may require smaller dt Runoff = 0.27 cfs @ 12.01 hrs, Volume= 0.024 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=2.50" Area (ac) CN Description 0.130 98 0.950 65 Weighted Average Tc Length 10.0 Description 0 Runoff a 0.18 -?- 0.16 p 0.14 LL 0.12 0.1 7 8 9 10 11 12 13 14 15 16 7ime (houre) 2.5' Rain Event Prepared by {enter your company name Type l! 24-hr Rainfalf=2.50" Page 3 Subcatchment 2S: BIdgIPk Lot Area East [49] Hint: Tc<2dt may require smaller dt Runoff = 2.55 cfs @ 11.94 hrs, Volume= 0.146 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=2.50" Area (ac) CN Description 0.990 98 0.580 60 1.570 84 Weighted Average Tc Length Slope Description 8.0 Direct Errtry, Segment ID: Subcatchment 2S: BIdg1Pk Lot Area East Hydrograph Plot O Runoff N U ? O LL Time (hours) 2.5' Rain Event Type 1124-hr Rainfall=2.50" Prepared by {enter your company name here} Page 4 Ll-drrJ? All16lGl1l1 n/? l111lNIOl1 (rl4(fOCOlA4 n??1:.?.J?A: .. ...?..4?..Q...?......... 4 4 14 AIl14 Subcatchment 3S: Roadway area [49] Hint: Tc<2dt may require smalier dt Runoff = 0.89 cfs @ 11.94 hrs, Volume= 0.051 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=2.50" Area (ac) CN Description 0230 60 0.350 98 0.580 83 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft!ft) (ff/sec) (cfs) 8.0 Direct Entry, Segment ID: ? 3 0 LL 0.35 ? ._.i...._ .._ l.._..'?.._ ?. 0.3 ._.; i_. -.._; . 0.25 0.2 0.15 " ----`. _ !.. .'--. ......' ?. 0.1 Subcatchment 3S: Roadway area Hydrograph Plot 0.95 , .._ --- . - _.. ..._ .,._ .. --- ... . . : ?--- - -- . '-- - =-- : : i •, , '. - -- ---- ' - ' ---' '---- . . . . . o es ors , . . : 0.9 ?--?--- •----=------------ _.. : . . ----- - - -°- -...-?- '---?- ?,.--?'- -....-- 0.85 " .j._.. -- ... -_•-- __.,. . ., ....... 0.8 '. !.._, :__._'. . ... i.. .??:. .i_ :. ; .- i , -?. :... 075 -- --._ _.._ . -- '--- ----. 0.7 .- 0.65 0.6 .._'?, .. _ _ ' . _;. . _.., _.. ' ...:._ ;.... 0.55 ?. ._'?,.._. ? ; . i; .;, .. :. _;.. .:.. ; .1. _ _; ... .:.....:: .. 0.5 . ----'?--- :_-_--? ' r----- -.. . _i-- ' - ----- `---`, -' ------?`--- ---?,--- 0.4.5 ? ..._?._.. _ ------------ i..---- -.--------- _... __,.... 0 Runoff 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) 2.5' Rain Event Prepared by {enter your company name Type 1! 24-hr Rainfall=2.50" Page 5 „ r, A ,n, Subcatchment 4S: Northern Area, Drains West Runoff = 0.53 cfs @ 12.26 hrs, Volume= 0.071 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=2.50" Area (ac) CN Description 2.060 69 Tc Length Slope Velocity Capacity Description Iminl /faatl /ft/ftl (fffcarl lrfcl 30.0 Direct Entry, Segment ID: Subcatchment 4S: Northern Area, Drains West Hydrograph Plot 0.55 ' _ . ._. .-- ? ---- -- - ._. . . ._... .. . - 0.5 : -- -- , . . _ ._.... . : , . : . ------ ? ------ ------ 0.45 - - ._.._ _ . . . _.. .. -. __ .. _.. . - --- . _. OA , i .. . . , - - . i ; . ?. . , ._ ._ . . . __. _ . _ .. . . y 0.35 ' . , .... _.. . , ? ..__ _ . ; _ ?.. . ?. , . ?_. _. . _. ; 0.3 ! !! , ? : ' : . ? ;.. -- o .. . .. . ... . __ ._ _ . r LL 025. ? . 0.2 i -_"-- . .. , . ?....,. i , ?. I ' -- - ._.. - -- - --__ ...- __-,. ..-- '--- -- -- ?-- ' 0.15 ; : , ;, - , -. ?.i . i i . ?,: .... __ -- 0.1 - ? Runoff 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) 2.5' Rain Event company name here} Type ll 24-hr Rainfa!l=2.50" Page 6 Subcatchment 5S: BIdgIPk Lot Area West [49] Hint: Tc<2dt may require smaller dt Runoff = 3.65 cfs @ 11.94 hrs, Volume= 0.210 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=2.50" Area (ac) CN Description 1.440 98 0.950 60 2.390 83 Weighted Average Tc Length Description 8.0 Direct Entry, Segment ID: Subcatchment 5S: BIdg1Pk Lot Area West Hydrograph Plot ? Runoff N il 3 O LL Time (hours) 2.5' Rain Event Type 1124-hrRainfa/1=2.50" Prepared by {enter your company name here} Page 7 HvdroCADQD 6.00 s/n 000980 O 1986-2001 Applied Microcomputer Svstems 11114l01 Reach 2R: From CB 1 to Pond 1 [52] Hint: Inlet conditions not evaluated [65] Waming: Inlet elevation not specified Inflow = 6.97 cfs @ 11.95 hrs, Volume= 0.407 af Outflow = 6.94 cfs @ 11.96 hrs, Volume= 0.407 af, Atten= 0°/a, Lag= 0.5 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Max. Velocity= 5.4 fps, Min. Travel Time= 0.2 min Avg. Velocity = 2.0 fps, Avg. Travel Time= 0.6 min Peak Depth= 1.02' Capacity at bank full= 8.63 cfs 18.0" Diameter Pipe n= 0.013 Length= 74.0' Slope= 0.0068 '/' Reach 2R: From CB 1 to Pond 1 Hydrograph Plot Fig Inflow , ... ;... ....... . _:.. 687cI s '_" -_""_: __ 0 OlllflOW 6.99 cfs ! . : : . 7 6 5- '? . .. . - ? . . . --. .. : - - ? '. . . . . .. ''? . ' . . .._. _. -- -i--. . - . . 4 . ,. I ? . ', '. , . ?. , . . , . . O LL 3- 2- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 Tlme (houre) 2.5' Rain Event Type !I 24-hr Rainfa!l=2.50" Prepared by {enter your company name here} Page 8 HvdmCADA R.0(1 s/n OOf19Rf1 Cc11QRR_9f1M AnnliPrl MicrnenmrniTar Rvatamc 1111dlfl1 Reach 3R: From CB 2 to CB 1 [52] Hint: Inlet conditions not evaluated [65] Warning: Inlet elevation not specified Inflow = 3.37 cfs @ 11.95 hrs, Volume= 0.197 af Outflow = 3.35 cfs @ 11.96 hrs, Volume= 0.197 af, Atten= 0%, Lag= 0.9 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Max. Velocity= 6.8 fps, Min. Travel Time= 0.4 min Avg. Velocity = 2.4 fps, Avg. Travel Time= 1.2 min Peak Depth= 0.53' Capacity at bank full= 9.14 cfs 15.0" Diameter Pipe n= 0.013 Length= 170.0' Slope= 0.0200 '/' Reach 3R: From CB 2 to CB 1 Hydrograph Plot El Inflow . . . : 3.37 c h ? OU1flOW ; : . ?, . . 3.%cfs ? . . .. 3 ? ? : .. . . . .?. . . . . , ?, . ? , .__: ?. ._. - .?.....:.. .. ? , . ? . . : . .__,.. -.---..._- N ? . V.. 2 O _'"_.. .....: ... ....."___:. '.. #p ; : - : : . 4 5 6 7 8 9 10 11 12 13 14 15 16 17 16 19 20 21 22 23 24 Time (hours) 2.5' Rain Event Prepared by {enter your company name Type 1124-hr Rainfa11=2.50" Page 9 Ad Id Alnd Reach 4R: From CB 3 to CB 2 [52] Hint: Inlet conditions not evaluated [65] Warning: Inlet elevation not specified Inflow = 0.89 cfs @ 11.94 hrs, Volume= 0.051 af OutFlow = 0.87 cfs @ 11.97 hrs, Volume= 0.051 af, Atten= 2%, Lag= 1.7 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Max. Velocity= 4.1 fps, Min. Travel Time= 0.7 min Avg. Velocity = 1.4 fps, Avg. Travel Time= 22 min Peak Depth= 0.29' Capacity at bank fuil= 7.65 cfs 15.0" Oiameter Pipe n= 0.013 Length= 184.0' Slope= 0.0140 '!' Reach 4R: From CB 3 to CB 2 Hydrograph Piot 0.95 _ " . , _.., aasa . . :i . . i . ---- s . ?, . . . ??--' - -- -- : _ . .?-- 0.9 ---?. a.e7 cis • ----? --: -- -? -- --_. ? 0.85 .. -..: ?.._. i , ', . .. . ' ', ... 0.8-? _. .._. _.: _ ._" 0.75 ' . . -_. . --_. ----• ---.. '---- 07 '-?-- 0.65 ? " --- ' - ---- _" "_' .? 0.6 ? ? 0.55 0 0.5 _. - --- . -':. =- --- ' 0.45 ? -i _..: 1 .. _._{ .1 .. ? . , i ..... LL 0.4 ??--- 0.35 .?' ..._.: ---- ---- --- 0.3 -i-- -- : 025 ?" . __ .. _'__. , . , , _ . .. . _ .,_... ._. .. ..... 0.2 ?. ? __: : .:__.' .._.__: ..., ......- -r- ---- . . 0.15 ' . . -: ' ._. . .._ ...- .._ ... 0.1 '.-.? : : .. . ' : ? ._ : .: Flo InFlow 0 Outflow 7 8 9 10 11 12 13 14 15 16 17 18 19 Time (hours) 2.5' Rain Event Type ll 24-hrRainfall=2.50" Prepared by {enter your company name here} Page 10 Pond 1 P: Sediment Pond Inflow = 7.18 cfs @ 11.97 hrs, Volume= 0.430 af Outflow = 1.08 cfs @ 12.39 hrs, Volume= 0.376 af, Atten= 85%, Lag= 25.4 min Primary = 1.08 cfs @ 12.39 hrs, Volume= 0.376 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Starting Elev= 916.00' Storage= 28,478 cf Peak Elev= 916.58' Storage= 36,417 cf (7,939 cf above starting storage) Plug-Flow detention time= (not calculated) Storage and wetted areas determined by Prismatic sections Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 912.00 3,064 0 0 914.00 7,023 10,087 10,087 916.00 11,368 18,391 28,478 918.00 16,116 27,484 55,962 918.50 17,200 8,329 64,291 PrimaryOutFlow (Free Discharge) t1=Culvert # Routinq Invert Outlet Devices 1 Primary 916.00' 12.0" x 20.0' long Culvert Ke= 0.500 Outlet Invert= 915.80' S= 0.0100'P n= 0.011 Cc= 0.900 2.5' Rain Event Prepared by {enter your company name Type 1! 24-hr Rainfall=2.50" Page 11 Pond 1 P: Sediment Pond Hydrograph Plot s C 7 6 -- ---- - ------- 3 4 . . ?. __' ...i.. ? 0 LL 3 p ----... _ _.. . . ? . 1.08 0 0 1 2 3 4 5 6 7 8 9 10 11 12 23 Time (hours) 4S 1S ORi(,4NA(. 6/ A WITIOn/ 5S N!?/L /ooy? t}== 916•00 W0•zo q/y.oo 918•21 2S 3S Q----- 2R a-- 3R Q-- 4R Subcat Reach on LICIk 100 Year Event Prepared by {enter your company name Type !! 24-hr Rainfaf1=5.90" Page 1 Time span=0.00-24.00 hrs, dt=0.10 hrs, 241 points Runoff by SCS TR-20 method, UH=SCS, Type II 24-hr Rainfa11=5.90" Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 1S: Pond Area Subcatchment 2S: BIdg1Pk Lot Area East Subcatchment 3S: Roadway area Tc=10.0 min CN=65 Area=0.950 ac Runoff= 3.08 cfs 0.180 af Tc=8.0 min CN=84 Area=1.570 ac Runoff= 923 cfs 0.537 af Tc=8.0 min CN=83 Area=0.580 ac Runoff= 3.34 cfs 0.193 af Subcatchment 4S: Northern Area, Drains West Tc=30.0 min CN=69 Area=2.060 ac Runoff= 4.59 cfs 0.449 af Subcatchment 5S: BIdgIPk Lot Area West Tc=8.0 min CN=83 Area=2.390 ac Runoff= 13.74 cfs 0.796 af Reach 2R: From CB 1 to Pond 1 Inflow= 23.06 cfs 1.525 af Length= 74.0' Max Vel= 5.5 fps Capacity= 8.63 cfs Outflow= 8.63 cfs 1.525 af Reach 3R: From CB 2 to CB 1 Inflow= 12.39 cfs 0.730 af Length= 170.0' Max Vel= 8.5 fps Capacity= 9.14 cfs OutFlow= 9.74 cfs 0.729 af Reach 4R: From CB 3 to CB 2 Inflow= 3.34 cfs 0.193 af Length= 184.0' Max Vel= 5.9 fps Capacity= 7.65 cfs Outflow= 3.22 cfs 0.193 af Pond 1 P: Sediment Pond Peak Storage= 59,516 cf Inflow= 11.71 cfs 1.705 af Primary= 4.95 cfs 1.610 af Outflow= 4.95 cfs 1.610 af Runoff Area = 7.550 ac Volume = 2.155 af Average Depth = 3.43" 100 Year Event Prepared by {enter your company name Type ll 24-hr Rainfa11=5.90" Page 2 Subcatchment 1S: Pond Area [49] Hint: Tc<2dt may require smaller dt Runoff = 3.08 cfs @ 11.98 hrs, Volume= 0.180 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=5.90" Area (ac) CN Description 0.130 98 0.820 60 0.950 65 Weighted Average Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Segment ID: 5ubcatchment 1S: Pond Area Hydrograph Plot ? Runoff ? 0 3 0 U. TIRIB (hOUfS) 100 Year Event Type ll 24-hr Rainfa/1=5.90" Prepared by {enter your company name here} Page 3 HydroCADO 6.00 s/n 000980 OO 1986-2001 Applied Microcomputer Systems 11/14/01 Subcatchment 2S: BIdg1Pk Lot Area East [49] Hint: Tc<2dt may require smaller dt Runoff = 9.23 cfs @ 11.93 hrs, Volume= 0.537 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=5.90" Area (ac) CN Descriotion 0.990 98 1.570 84 Weighted Average Tc Length Slope Velocity Capacity Description /minl /faatl /fflftl !ff/ecrl /rfe\ 8.0 Direct Errtry, Segment ID: Subcatchment 2S: BIdg1Pk Lot Area East Hydrograph Plot t w L 3 0 U. ? Runoff Time (hours) 100 Year Event Type I! 24-hr Rainfalf=5.90" Prepared by {enter your company name here} Page 4 Subcatchment 3S: Roadway area [491 Hint: Tc<2dt may require smaller dt Runoff = 3.34 cfs @ 11.93 hrs, Volume= 0.193 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=5.90" Area (ac) CN Description 0.230 60 0.350 98 0.580 83 Weighted Average Tc Length Slope Description 8.0 Direct Entry, Segment ID: Subcatchment 3S: Roadway area Hydrograph Plot ? Runoff N u 3 0 LL TIIII@ (f10Uf5) 100 Year Event Type Il 24-hr Rainia11=5.90" Prepared by {enter your company name here} Page 5 HydroCADS 6.00 s/n 000980 OO 1986-2001 Applied Microcomputer Systems 11/14/01 Subcatchment 4S: Northern Area, Drains West Runoff = 4.59 cfs @ 12.21 hrs, Volume= 0.449 af Runoff by SC5 TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=5.90" Area(ac) CN Description 2.060 69 Tc Length Siope Description 30.0 Direct Entry, Segment ID: ? Runoff 2345678910111213 Time (hours) 100 Year Event Prepared by {enter your company name Type ll 24-hr Rainfaf1=5.90" Page 6 4 4 /1A/!11 Subcatchment 5S: BIdgIPk Lot Area West [491 Hint: Tc<2dt may require smaller dt Runoff = 13.74 cfs @ 11.93 hrs, Volume= 0.796 af Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Type II 24-hr Rainfa11=5.90" Area (ac) CN Descriotion 1.440 98 0.950 60 2.390 83 Weighted Average Tc Length Slope Velocity Capacity Description _(min) (feet) (ft/ft) (fUsec) (cfs) 8.0 Direct Entry, Segment ID: 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) 100 Year Event Prepared by {enter your company name Type 1! 24-hr Rainfa11=5.90" Page 7 Reach 2R: From CB 1 to Pond 1 [52] Hint: Inlet conditions not evaluated [65] Warning: Inlet elevation not specified [55] Hint: Peak inflow is 267% of Manning's capacity [76] Waming: Detained 0.30 af (Pond w/culvert advised) Inflow = 23.06 cfs @ 11.94 hrs, Volume= 1.525 af Outflow = 8.63 cfs @ 11.90 hrs, Volume= 1.525 af, Atten= 63%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Max. Velocity= 5.5 fps, Min. Travel Time= 02 min Avg. Velocity = 2.6 fps, Avg. Travel Time= 0.5 min Peak Depth= 1.50' Capacity at bank full= 8.63 cfs 18.0" Diameter Pipe n= 0.013 Length= 74.0' Slope= 0.0068 '/' Reach 2R: From CB 1 to Pond 1 0 Inflow ? Outfiow U ? O ? LL ? Time (nours) 100 Year Event Prepared by {enter your company name here} HvdroCAD@) 6.00 s/n 000980 OO 1986-2001 Aoolied A Type !I 24-hr Rainfall=5.90" Page 8 Reach 3R: From CB 2 to CB 1 [52] Hint: Inlet conditions not evaluated [65] Warning: Inlet elevation not specified [55] Hint: Peak inflow is 136% of Manning's capacity [76] Warning: Detained 0.04 af (Pond w/culvert advised) [85] Waming: Oscillations may require Finer Routing>1 Inflow = 12.39 cfs @ 11.93 hrs, Volume= 0.730 af Outflow = 9.14 cfs @ 12.02 hrs, Volume= 0.729 af, Atten= 26%, Lag= 5.0 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Max. Velocity= 8.5 fps, Min. Travel Time= 0.3 min Avg. Velocity = 3.1 fps, Avg. Travel Time= 0.9 min Peak Depth= 1.25' Capacity at bank full= 9.14 cfs 15.0" Diameter Pipe n= 0.013 Length= 170.0' Slope= 0.0200 'P Reach 3R: From CB 2 to CB 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hours) 100 Year Event Type !I 24-hr Rainfa/1=5.90" Prepared by {enter your company name here} Page 9 Reach 4R: From CB 3 to CB 2 [52] Hint: Inlet conditions not evaluated [65] Warning: Inlet elevation not specified Inflow = 3.34 cfs @ 11.93 hrs, Volume= 0.193 af Outflow = 3.22 cfs @ 11.95 hrs, Volume= 0.193 af, Atten= 3%, Lag= 1.3 min Routing by Stor-Ind+Trans method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Max. Velocity= 5.9 fps, Min. Travel Time= 0.5 min Avg. Velocity = 1.9 fps, Avg. Travel Time= 1.6 min Peak Depth= 0.57' Capacity at bank full= 7.65 cfs 15.0" Diameter Pipe n= 0.013 Length= 184.0' S1ope= 0.01407' Reach 4R: From CB 3 to CB 2 Hydrogreph Plot L N 9 u ? LL Time (hours) . , 100 Year Event Prepared by {enter your con HvdroCADO 6.00 sM 000980 C Type ll 24-hr Rainfall=5.90" Page 10 Inflow = 11.71 cfs @ Outflow = 4.95 cfs @ Primary = 4.95 cfs @ name Pond 1P: Sediment Pond 11.98 hrs, Volume= 1.705 af 12.82 hrs, Volume= 1.610 af, 12.82 hrs, Volume= 1.610 af Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.10 hrs Atten= 58%, Lag= 50.6 min Starting Elev= 916.00' Storage= 28,478 cf Peak Elev= 918.21' Storage= 59,516 cf (31,038 cf above starting storage) Plug-Flow detention time= 284.2 min calculated for 0.956 af (56% of inflow) Storage and wetted areas determined by Prismatic sections Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cu6io-feet) 912.00 3,064 0 0 914.00 7,023 10,087 10,087 916.00 11,368 18,391 28,478 918.00 16,116 27,484 55,962 918.50 17,200 8,329 64,291 Primary OutFlow (Free Discharge) t1=Culvert # Routinq Invert Outlet Devices 1 Primary 916.00' 12.0" x 20.0' long Culvert Ke= 0.500 Outlet Invert= 915.80' S= 0.0100'/' n= 0.011 Cc= 0.900 100 Year Event Type ll 24-hr Rainfa11=5.90" Prepared by {enter your company name here} Page 11 Pond 1 P: Sediment Pond Hydrograph Plot Inflow I 'D O Primary n u 3 0 LL Time (hours)