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Home My WebLink About20131200 Ver 5_More Info Stormwater Calcs_20170821Odom EngineeringPITC August 21, 2017 Annette Lucas, PE NCDEQ - Division of Energy, Mineral and Land Resources Office 942-V 512 N. Salisbury Street Raleigh, NC 27604 Re: Tryon International Equestrian Center Stormwater Projects Request for Additional Information Dear Ms. Lucas, 169 Oak Street • Forest City, NC 28043 office 828. 247.4495 • fax 828.247.4498 In response to your request for additional information following our online stormwater submittal on August 18, 2017, we have provided calculations for both a 1 -yr and 10 -yr storm event. The 25 -yr calculations submitted on August 18, 2017 included narratives for each drainage area. We have not included narratives for the 1 -yr and 10 -yr calculations. A summary table is included with each set of calculations. Please contact me if you need any additional information. Thank you, t -- David Odom, P.E. STORMWATER CALCULATIONS 1 -YR STORM EVENT TRYON EQUESTRIAN PROPERTIES, LLC Polk County, North Carolina August 21, 2017 7A �pXj '`seta:aeaacn. Odom Engineering PLLC NC FIRM# P-0880 169 Oak Street Forest City, N.C. 28043 828-247-4495 TABLE OF CONTENTS Summary................................................................................................................................................................ i Stablehouse Inn Site Drainage Areas......................................................................................................................6 StablehouseInn North...............................................................................................................................................6 StablehouseInn South.............................................................................................................................................13 StablehouseInn East................................................................................................................................................ 20 CoveredArena.....................................................................................................................................................22 VillageWest........................................................................................................................................................29 VillageEast Drainage Areas..................................................................................................................................36 VillageEast North.................................................................................................................................................... 36 VillageEast South....................................................................................................................................................43 VillageEast Middle.................................................................................................................................................. 50 SalamanderDrainage Areas.................................................................................................................................56 SalamanderNorth....................................................................................................................................................56 SalamanderSouth.................................................................................................................................................... 63 Summ A F -I Hydrograph 1 -yr Summary Hydroloqy Studio v 2.0.0.48 5%OA044ty Project Name: 08-21-2017 Hyd. No. Hydrograph Type Hydrograph Name Peak Flow (Cfs) Time to Peak (hrs) Hydrograph Volume (cult) Inflow Hyd(s) Maximum Elevation (ft) Maximum Storage (cult) 1 Rational Village E Pre North 8.103 0.08 2,431 ---- 2 Rational Village E post north 21 41 0.08 6.422 ---- 3 Rational Village E post south 21.29 0.08 6,386 ---- 4 Pond Route Village E storage N 8.406 0.17 6,415 2 953.79 3,169 5 Pond Route Village E Storage S 7.752 0.17 6,359 3 949.53 3,824 6 Rational Village EPost Middle 16.76 0.08 5,027 ---- 7 Pond Route VillageE Storage Mld 4.323 0.17 5,020 6 950.46 3,382 8 Rational Village E Pre South 9.668 0.08 2,900 ---- 9 Rational Village W Pre 21.77 0.08 6,532 ---- 10 Rational Village W Post 32.23 0.08 9,668 ---- 11 Pond Route Village W Storage 8.177 0.17 9,502 10 895.61 6,956 12 Rational Salamander N Pre 8.338 0.08 2,501 ---- 13 Rational Salamander N Post 26.97 0.08 8,091 ---- 14 Rational Stablehouse N pre 7.414 0.08 2,224 ---- 15 Rational Stablehouse S Pre 4.338 0.08 1,301 ---- 16 Rational Stablehouse E Pre 3.514 0.08 1,054 ---- 17 Rational Stablehouse N Post 18.45 0.08 5,536 ---- 18 Rational Stablehouse S Post 5.272 0.08 1,581 ---- 19 Rational Stablehouse E Post 3.258 0.08 977 ---- 20 Pond Route Salamander N Storage 4.565 0.17 8,083 13 871.11 6,457 21 Pond Route Stablhouse N Storage 4.087 0.17 5,530 17 904.25 4,073 22 Pond Route Stablehouse S Storag 3.359 0.08 1,693 18 899.90 287 23 Rational Salamander S Pre 3.737 0.08 1,121 ---- 24 Rational Salamander S Post 16.27 0.08 4,882 ---- 25 Pond Route Salamander S Storage 0.059 0.17 4,787 24 906.41 4,863 26 Rational Covered Arena Pre 55.69 0.08 16,706 ---- 27 Rational Covered Arena Post 89.33 0.08 26,799 ---- 28 Pond Route Covered Arena Storag 22.10 0.17 26,790 27 878.37 18,590 Design Storm Report Hydrology Studio v 2.0.0.48 ')torm Distribution: OF Based - Synthetic Custom Storm filename: 08-21-2017 Storm Total Rainfall Volume (in) Duration V 1 -yr 2 -yr 3 -yr 5 -yr 10 -yr 25 -yr 50 -yr 100 -yr Precip 24 hrs 2.26 2.79 0 0 5.25 7.32 0 11.46 (hrs) 2 Incremental Rainfall Distribution, 1 -yr Time Precip Time Precip Time Precip Time Precip Time Precip (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) 9.50 0.0046 10.42 0.0075 11.33 0.0203 12.25 0.0742 13.17 0.0111 9.58 0.0047 10.50 0.0080 11.42 0.0238 12.33 0.0522 13.25 0.0102 9.67 0.0049 10.58 0.0085 11.50 0.0284 12.42 0.0395 13.33 0.0094 9.75 0.0051 10.67 0.0091 11.58 0.0351 12.50 0.0315 13.42 0.0088 9.83 0.0053 10.75 0.0098 11.67 0.0451 12.58 0.0259 13.50 0.0082 9.92 0.0055 10.83 0.0106 11.75 0.0616 12.67 0.0219 13.58 0.0077 10.00 0.0058 10.92 0.0116 11.83 0.0920 12.75 0.0189 13.67 0.0073 10.08 0.0061 11.00 0.0127 11.92 0.1610 12.83 0.0166 13.75 0.0069 10.17 0.0064 11.08 0.0140 12.00 0.3930 12.92 0.0148 13.83 0.0065 10.25 0.0067 11.17 0.0157 12.08 0.2362 13.00 0.0133 13.92 0.0062 10.33 0.0071 11.25 0.0177 12.17 0.1186 13.08 0.0121 14.00 0.0059 2.2 2.2 2 2 .8 1.8- 1.6 1.6- .1.6 1.4 1.4 E v %Q 1.2 1.2 n U o' v 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 0 p 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hrs) 2 OF Report Hvdroloqv Studio v 2.0.0.48 OF filename: TRYON.idf 08-21-2017 Equation Intensity = B / (Tc + D)"E (in/hr) Coefficients 1 -yr 2 -yr 3 -yr 5 -yr 10 -yr 25 -yr 50 -yr 100 -yr 2 -yr B 59.4259 72.3721 0.0000 0.0000 71.3396 65.5673 0.0000 59.2184 D 12.5000 13.1000 0.0000 0.0000 12.1000 10.8000 0.0000 9.5000 E 0.8853 0.8838 0.0000 0.0000 0.7948 0.7378 0.0000 0.6622 0 Minimum Tc = 5 minutes Tc Intensity Values (in/hr) (min) 1 -yr 2 -yr 3 -yr 5 -yr 10 -yr 25 -yr 50 -yr 100 -yr Cf 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 5 4.72 5.60 0 0 7.47 8.56 0 10.08 10 3.78 4.51 0 0 6.09 6.99 0 8.28 15 3.16 3.79 0 0 5.18 5.96 0 7.12 20 2.73 3.28 0 0 4.53 5.23 0 6.30 25 2.40 2.90 0 0 4.04 4.68 0 5.68 30 2.15 2.60 0 0 3.65 4.25 0 5.19 35 1.95 2.36 0 0 3.34 3.90 0 4.80 40 1.78 2.16 0 0 3.08 3.62 0 4.47 45 1.65 2.00 0 0 2.86 3.37 0 4.19 50 1.53 1.86 0 0 2.68 3.17 0 3.96 55 1.43 1.74 0 0 2.52 2.99 0 3.75 60 1.34 1.63 0 0 2.38 2.83 0 3.57 Cf = Correction Factor applied to Rational Method runoff coefficient. Tryon OF Curves 11 - 100yr 10 25yr 9 - 10yr 8 2yr _. l yr y C 6- 5 5- 4- 3- 3 2- 20 0 5 10 15 20 25 30 35 40 45 50 55 60 Time (min) Precipitation Report Hydrology Studio v 2.0.0.48 Precipitation filename: tryon 1 year.pcp 08-21-2017 3 -yr 5 -yr 10 -yr 25 -yr 50 -yr 100 -yr 0 Active 1 -yr 2 -yr Active V 3.41 NRCS/SCS Storms > SCS Dimensionless Storms SCS 6hr 1.20 1.50 Type I, 24 -hr 0 0 Type IA, 24 -hr 0 0 Type II, 24 -hr 2.62 3.17 Type II FL, 24 -hr 0 0 Type III, 24 -hr 0 0 Synthetic Storms > IDF-Based Synthetic Storms 1 -hr 1.34 1.63 2 -hr 1.57 1.92 3 -hr 1.69 2.07 6 -hr 1.89 2.32 12 -hr 2.08 2.55 24 -hr d 2.26 2.79 Huff Distribution > list Quartile (0 to 6 hrs) 0 1 -hr 0.76 0.98 2 -hr 0.89 1.14 3 -hr 0.98 1.24 6 -hr 1.20 1.50 Huff Distribution > 2nd Quartile (>6 to 12 hrs) 6.07 8 -hr 0 0 12 -hr 0 0 Huff Distribution > 3rd Quartile (>12 to 24 hrs) 18 -hr 0 0 24 -hr 0 0 Custom Storms > Custom Storm Distributions My Custom Storm 1 0 0 My Custom Storm 2 0 0 My Custom Storm 3 0 0 My Custom Storm 4 0 0 My Custom Storm 5 0 0 My Custom Storm 6 0 0 My Custom Storm 7 0 0 My Custom Storm 8 0 0 My Custom Storm 9 0 0 My Custom Storm 10 0 0 Precipitation filename: tryon 1 year.pcp 08-21-2017 3 -yr 5 -yr 10 -yr 25 -yr 50 -yr 100 -yr 0 1.86 2.18 2.64 3.01 3.41 0 0 0 0 0 0 0 0 0 0 0 0 0 4.00 4.66 5.56 6.28 7.02 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2.38 2.83 0 3.57 0 0 2.94 3.60 0 4.73 0 0 3.28 4.09 0 5.51 0 0 3.87 5.00 0 7.08 0 0 4.53 6.07 0 9.03 0 0 5.25 7.32 0 11.46 0 1.33 1.61 2.01 2.34 2.69 0 1.50 1.80 2.24 2.60 2.99 0 1.59 1.90 2.33 2.68 3.07 0 1.86 2.18 2.64 3.01 3.41 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 CALCULATIONS SUMMARY (1 -yr) DRAINAGE AREA PRE (cfs) POST (ds) ROUTED (ds) Stablehouse Inn North 7.41 18.45 4.09 Stablehouse Inn South 4.34 5.27 3.36 Stablehouse Inn East 3.51 3.26 N/A Covered Arena 55.69 89.33 22.10 Village West 21.77 32.23 8.18 Village East North 8.10 21.41 8.41 Village East South 9.67 21.29 7.75 Village East Middle N/A 16.76 4.32 Salamander North 8.34 26.97 4.57 Salamander South 3.74 16.27 0.06 Hydrograph Report '51ab (Aouse, in n 9 Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse N pre Hyd. No. 14 Hydrograph Type = Rational Peak Flow = 7.414 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 2,224 cuft Drainage Area = 2.62 ac Runoff Coeff. = 0.6* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.99 0.95 Asphalt 0.44 0.90 Building Roof 1.19 0.20 Grass 2.62 0.60 Weighted Average QP = 7.41 ds F G C k, 4 CY 3 4 1 0 1 2 3 4 5 6 Time (min) 7 8 9 10 b Hydrograph Report Hydrology Studio v 2.0.0.48 ,tablehouse N Post Project Name: 08-21-2017 Hyd. No. 17 Hydrograph Type = Rational Peak Flow = 18.45 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 5,536 cuft Drainage Area = 5.36 ac Runoff Coeff. = 0.73* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 2.82 0.95 Asphalt 1.06 0.90 Building Roof 1.48 0.20 Grass 5.36 0.73 Weighted Average 21 2C 19 18 17 16 15 14 13 12 X11 0710 9 8 7 6 5 4 3 2 1 0 0 QP = 18.45 ds 1 2 3 4 5 6 7 8 9 10 Time (min) I Hydrograph Report Hydrology Studio v 2.0.0.48 jtabihouse N Storage Project Name: 08-21-2017 Hyd. No. 21 Hydrograph Type = Pond Route Peak Flow = 4.087 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 5,530 cuft Inflow Hydrograph = 17 - Stablehouse N Post Max. Elevation = 904.25 ft Pond Name = Stablehouse N Storage Max. Storage = 4,073 cuft Pond Routing by Storage Indication Method Center of mass detention time = 14 min 21- 20- 19- 18- 17- 16- 15- 14- 13- 12- 010- 9- 8- 7- 6- 5- 4 12019 18171615141312010987654 3 - 2 - - 1 0 0 QP = 4.09 ds TAT 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Time (min) — Req'd Stor - Stablehouse N Post — Stablhouse N Storage Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse N Storage Stage -Storage 908 907 WWI, a', 905 LU 904 903 User Defined Contours Description Input Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage Bottom Elevation, ft 902.00 (ft) (ft) (sgft) (cuft) (cuft) 0.00 902.00 1,536 0.000 0.000 Voids (%) 100.00 1.00 903.00 2,000 1,763 1,763 Volume Calc Conic 2.00 904.00 2,496 2,243 4,006 3.00 905.00 3,024 2,756 6,761 4.00 906.00 3,583 3,299 10,061 5.00 907.00 4,168 3,871 13,932 6.00 908.00 4,779 4,470 18,402 Stage -Storage 2000 4000 6000 8000 10000 12000 14000 Total Storage (cuft) — Contours Top of Pond 16000 18000 a 5 4 Ln m LO 3 M 2 11 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse N Storage Stage -Discharge 10 Orifices Culvert/ Orifices culvert Orifice Plate V 2 3 Rise, in 24 12 Orifice Rise, in Span, in 24 12 Orifice Span, in No. Barrels 1 1 No. Orifices Invert Elevation, ft 902 902.01 Invert Elevation, ft Orifice Coefficient, Co .6 .6 Height, ft Length, ft 36 Orifice Coefficient, Co Barrel Slope, % 16.6 N -Value, n 0.013 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Box Cipoletti Rectangular Rectangular Exfiltration, in/hr Crest Elevation, ft 906 907 910 Tailwater Elevation, ft Crest Length, ft 12 10 16 Angle, deg Weir Coefficient, Cw 3.3 3.3 3.3 Routes through Culvert. Stage -Discharge 908 __a a 6 907 � . 5 906 4 Ln 0) a'� 905 3 M w 904 2 903 1 902 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 Discharge (cfs) — Top of Pond --J3 Culvert — Riser — Orifice Cipoletti Total Q 10 Pond Report Hydrology Studio v 2.0.0.48 itablehouse N Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cult) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 902.00 0.000 0.00 0.00 0.00 0.00 0.00 0.00 1.00 90300 1,763 2.300 is 2.300 0.00 0.00 0.00 2.300 2.00 904.00 4,006 4.053 is 4.052 0.00 0.00 0.00 4.052 3.00 905.00 6,761 5.348 is 5.348 0.00 000 0.00 5.348 4.00 906.00 10,061 6.531 is 6.428 0.00 0.00 0.00 6.428 5.00 907.00 13,932 29.21 is 1.970 27.23 s 0.00 0.00 29.20 6.00 908.00 18,402 33.63 is 0.887 32.74s 33.00 0.00 66.63 Suffix key.. is = inlet control, oc = outlet control, s = submerged weir Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse N Storage Pond Drawdown Stage (ft) M N O 61 Co f'rl M M M N N Ln a) E i L � M E 1 � a C Q L 0 w Z a) N O _(D CO N E C Q vi N O 0) r6 O O O O O O p to M CY) M M 61 (;3) Aa 13 Hydrograph Report Hydrology Studio v 2.0.0.48 Aablehouse S Pre s S a S loin Project Name: 08-21-2017 Hyd. No. 15 Hydrograph Type = Rational Peak Flow = 4.338 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,301 cuft Drainage Area = 4.38 ac Runoff Coeff. = &21* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.08 0.95 Asphalt 4.3 0.20 Grass 4.38 0.21 Weighted Average V a 4 3 2 I QP = 4.34 ds 0 1 2 3 4 5 6 7 8 9 10 Time (min) 13 Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 :tablehouse S Post Hyd. No. 18 Hydrograph Type = Rational Peak Flow = 5.272 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,581 cuft Drainage Area = 2.07 ac Runoff Coeff. = 0.54* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.94 0.95 Asphalt 1.13 0.20 Grass 2.07 0.54 Weighted Average I 4 3 2 1 QP = 5.27 cfs 0 1 2 3 4 5 6 Time (min) 7 8 9 10 �/+ Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Stablehouse S Storag Hyd. No. 22 Hydrograph Type = Pond Route Peak Flow = 3.359 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Hydrograph Volume = 1,693 cuft Inflow Hydrograph = 18 - Stablehouse S Post Max. Elevation = 899.90 ft Pond Name = Stablehouse S storage Max. Storage = 287 cuft Pond Routing by Storage Indication Method Center of mass detention time = 2 min E r 3 2 0 Qp = 3.36 ds 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Time (min) - Req'd Stor Stablehouse S Post — Stablehouse S Storag (5 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse S storage Stage -Storage Underground Chambers Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage Description Input (ft) (ft) (sgft) (cuft) (cuft) Invert Elev Down, ft 898.41 0.00 898.41 n/a 0.000 0.000 Chamber Rise, ft 24.00 1.21 899.62 n/a 395 395 Chamber Shape Circular 2.41 900.82 n/a 749 1,144 3.62 902.03 n/a 949 2,092 Chamber Span, ft 24.00 4.83 903.24 n/a 1,094 3,186 Barrel Length, ft 50.00 6.03 904.44 n/a 1,208 4,394 7.24 905.65 n/a 1,292 5,686 No. Barrels 1 8,44 906.85 n/a 1,350 7,036 Barrel Slope, % 0.25 9.65 908.06 n/a 1,403 8,439 10.86 909.27 n/a 1,432 9,871 Headers, y/n No 12.06 910.47 n/a 1,445 11,316 Stone Encasement, y/n No 13.27 911.68 n/a 1,443 12,759 Encasement Bottom Elevation, ft 0.00 14.48 15.68 912.88 914.09 n/a n/a 1,433 1,402 14,192 15,593 Encasement Width per Chamber, ft 0.00 16.89 915.30 n/a 1,354 16,947 Encasement Depth, ft 0.00 18.09 19.30 916.50 917.71 n/a n/a 1,287 1,207 18,234 19,441 Encasement Voids, % 40.00 20.51 918.92 n/a 1,094 20,535 21.71 920.12 n/a 949 21,484 22.92 921.33 n/a 746 22,230 24.13 922.54 n/a 394 22,624 922 920 918 916 914 912 910 w 908 906 904 902 900 898 0 Stage -Storage 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 22000 Total Storage (cuft) - UG Chambers - Top of Pond 24 22 20 18 16 14 cn 0, m 12 M 10 8 6 4 2 0 Pond Report Project Name: Hydrology Studio v 2.0.0.48 Aablehouse S storage 08-21-2017 Stage -Discharge Orifices Culvert/ Orifices Culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 898.42 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft _ Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Circular Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw Routes through Culvert. Stage -Discharge 922 24 920 22 918 20 916 18 914 16 $ 912 14 h a '5 910 m 12 M LU 908 10 906 8 904 6 902 4 900 - 2 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 Discharge (cfs) — Top of Pond — Orifice Total Q Pond Report Hydrology Studio v 2.0.0.48 Aablehouse S storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cult) Culvert (cfs) Orifices, cfs Riser (cfs) weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 898.41 0.000 0.00 0.00 1.21 899.62 395 5.628 5 628 2.41 900.82 1,144 10.94 10.94 3.62 902.03 2,092 14.38 14.38 4.83 903.24 3,186 17.15 17.15 6.03 904.44 4,394 19.53 19.53 7.24 905.65 5,686 21.65 21.65 8.44 906.85 7,036 23.58 23.58 9.65 908.06 8,439 25.37 25.37 10.86 909.27 9,871 27.03 27.03 12.06 910.47 11,316 28.60 28.60 13.27 911.68 12,759 30.09 30.09 14.48 912.88 14,192 31.51 31.51 15.68 914.09 15,593 32.86 32.86 16.89 915.30 16,947 34.17 34.17 18.09 916.50 18,234 35.42 35.42 19.30 917.71 19,441 36.63 36.63 20.51 918.92 20,535 37.81 37.81 21.71 920.12 21,484 38.94 38.94 22.92 921.33 22,230 40.05 40.05 24.13 922.54 22,624 41.12 4112 Suffix key: is = inlet control, oc = outlet control, s = submerged weir (q , Pond Report Project Name: Hydrology Studio v 2.0.0.48 Aablehouse S storage 08-21-2017 Pond Drawdown Stage (ft) CO i- lD Ln M N O M CO I-- l0 Ln Ct M N s- O M w LIl Ct V V V V Cf Ct V V M M M M M M M M M M N N N N N N ®� I) O Ln O O Ln O to O Ln V O cc� C C: O LN 0 Ln E I M H O C Q` M O o U) LnN (n O O C- CD - C N O CU ``4- ^ vJ O O N E H Ln O •� O vi N O ✓s _ ru M N O 1) C, I- IDLn M N O Ol CO I� l0 Lfl M N O al 00 N N N N O O O O O O O CS O O M M In (1}) na13 Hydrograph Report Slable WSe. Inn G Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse E Pre Hyd. No. 16 Hydrograph Type = Rational Peak Flow = 3.514 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,054 cuft Drainage Area = 3.24 ac Runoff Coeff. = 0.23* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.14 0.95 Asphalt 3.1 0.20 Grass 3.24 0.23 Weighted Average �z 0 Qp = 3.51 ds 0 1 2 3 4 S 6 7 8 9 10 Time (min) 2.D Hydrograph Report Hydrology Studio v 2.0.0.48 Aablehouse E Post Project Name: 08-21-2017 Hyd. No. 19 Hydrograph Type = Rational Peak Flow = 3.258 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 977 cuft Drainage Area = 3.14 ac Runoff Coeff. = 0.22* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.1 0.95 Asphalt 3.04 0.20 Grass 3.14 0.22 Weighted Average 3 4- �2 0 I Qp = 3.26 ds 0 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Coverej#&4k Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 covered Arena Pre Hyd. No. 26 Hydrograph Type = Rational Peak Flow = 55.69 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 16,706 cuft Drainage Area = 24.6 ac Runoff Coeff. = 0.48* Tc Method = User Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 9.9 0.90 Asphalt 14.7 0.20 Grass 24.6 0.48 Weighted Average 6( 55 5C 45 40 35 C' 30 25 20 15 10 5 0 0 QP = 55.69 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) 22 Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 ;overed Arena Post Hyd. No. 27 Hydrograph Type = Rational Peak Flow = 89.33 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 26,799 cuft Drainage Area = 24.6 ac Runoff Coeff. = 0.77* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 18.83 0.95 Asphalt 5.77 0.20 Grass 24.6 0.77 Weighted Average 10( 9( 8C 7C 6C U �; 50 QP = 89.33 cfs 40- 30- 20- 10- 0-/ 0 30 20 10 0 - 0 1 2 3 4 5 6 7 8 9 10 Time (min) �3 Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 :overed Arena Storag Hyd. No. 28 Hydrograph Type = Pond Route Peak Flow = 22.10 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 26,790 cuft Inflow Hydrograph = 27 - Covered Arena Post Max. Elevation = 878.37 ft Pond Name = Covered Arena Storage Max. Storage = 18,590 cuft Pond Routing by Storage Indication Method Center of mass detention time = 11 min 10( 9C 8C 7C 60 U CY 50 40 30 20 10 0 0 QP = 22.10 cfs -I . .- 10 20 30 40 50 Time (min) -- Req'd Stor Covered Arena Post — Covered Arena Storag 60 70 1 Z9' Pond Report Hydrology Studio v 2.0.0.48 ;overed Arena Storage Project Name: 08-21-2017 Stage -Storage Underground Chambers Description Input Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage (ft) (ft) (sqft) (Cult) (Cult) Invert Elev Down, ft 874.81 0.00 874.81 n/a 0.000 0.000 Chamber Rise, ft 6.00 0.32 875.13 n/a 279 279 Chamber Shape Circular 0.64 875.45 n/a 1,042 1,322 0.96 875.77 n/a 1,533 2,855 Chamber Span, ft 6.00 1.28 876.09 n/a 1,844 4,699 Barrel Length, ft 150.00 1.59 876.40 n/a 2,070 6,769 1.91 876.72 n/a 2,243 9,012 No. Barrels 8 2.23 877.04 n/a 2,372 11,384 Barrel Slope, % 0.25 2.55 877.36 n/a 2,467 13,850 2.87 877.68 n/a 2,522 16,372 Headers, y/n Yes 3.19 878.00 n/a 2,552 18,924 Stone Encasement, y/n No 3.51 878.32 n/a 2,554 21,478 3.83 878.64 n/a 2,519 23,997 Encasement Bottom Elevation, ft 0.00 4.14 878.95 n/a 2,466 26,463 Encasement Width per Chamber, ft 0.00 4.46 879.27 n/a 2,373 28,836 4.78 879.59 n/a 2,242 31,078 Encasement Depth, ft 0.00 5.10 879.91 n/a 2,072 33,149 Encasement Voids, % 40.00 5.42 880.23 n/a 1,839 34,988 5.74 880.55 n/a 1,531 36,520 6.06 880.87 n/a 1,040 37,559 6.37 881.19 n/a 279 37.838 882 881 880 879 a', 878 w 877 876 875 874 0 Stage -Storage 5000 10000 15000 20000 25000 30000 35000 Total Storage (cuft) - UG Chambers Top of Pond 7 6 5 4 LO 3 2 1 0 25 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 ;overed Arena Storage Stage -Discharge Z(P Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise, in 24 Perf. Rise, in Span, in 24 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 874.82 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser Ancillary 1 2 3 Shape / Type Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw Routes through Culvert. Stage -Discharge 881- -6 880- .5 879- 4 LA m W 878 LU 3 877- 2 876- 1 875- A0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 Discharge (cfs) — Top of Pond — Orifice Total Q Z(P Pond Report Hydrology Studio v 2.0.0.48 ;overed Arena Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage 9 (cuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 874.81 0.000 0.00 0.00 0.32 875.13 279 0.586 0.586 0.64 875.45 1,322 2.282 2.282 0.96 875.77 2,855 4.849 4.849 1.28 876.09 4,699 8.024 8.024 1.59 876.40 6,769 11.43 11.43 1.91 876.72 9,012 14.49 14.49 2.23 877.04 11,384 16.71 16.71 2.55 877.36 13,850 18.77 18.77 2.87 877.68 16,372 20.62 20.62 3.19 878.00 18,924 22.32 22.32 3.51 878.32 21,478 23.90 23.90 3.83 878.64 23,997 25.38 25.38 4.14 878.95 26,463 26.77 26.77 4.46 879.27 28,836 28.10 28.10 4.78 879.59 31,078 29.37 29.37 5.10 879.91 33,149 30.59 30.59 5.42 880.23 34,988 31.76 31.76 5.74 880.55 36,520 32.89 32.89 6.06 880.87 37,559 33.98 33.98 6.37 881.19 37,838 35.03 35.03 Suffix key. is = inlet control; oc = outlet control, s = submerged weir 21 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 :overed Arena Storage Pond Drawdown I� l0 Lfl Stage (ft) V' M N O O N N N N N N 00 � c� LC f lD L Q N I V C 0 L Q N U) J e CO a L Q a a) O 0 U 0 O N O C � vi O Q� to N O Co co 00 ra oo 00 6l O r rD 00 00 00 00 00 00 00 ao ul 00 v 00 CO (IJ) A@ 13 �4Hydrograph Report Vi I laile. Project Name: Hydrology Studio v 2.0.0.48 J 08-21-2017 Allage W Pre Hyd. No. 9 Hydrograph Type = Rational Peak Flow = 21.77 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 6,532 cuft Drainage Area = 15.92 ac Runoff Coeff. = 0.29* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 1.97 0.95 asphalt 13.95 0.20 grass 15.92 0.29 Weighted Average 2L 22 2C 18 16 14 Cy12 10 8 6 4 2 0 0 QP = 21.77 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 tillage W Post Project Name: 08-21-2017 Hyd. No. 10 Hydrograph Type = Rational Peak Flow = 32.23 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 9,668 cuft Drainage Area = 16.27 ac Runoff Coeff. = 0.42* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 3.59 0.95 Asphalt 0.81 0.95 Concrete 0.37 0.90 Bldg Roof 11.5 0.20 Grass 16.27 0.42 Weighted Average 3E 34 32 30 28 26 24 22 20 U C. 18 16 14 12 10 8 6 4 2 0 0 QP = 32.23 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) A0 Hydrograph Report Hydrology Studio v 2.0.0.48 . illage W Storage Project Name: 08-21-2017 Hyd. No. 11 Hydrograph Type = Pond Route Peak Flow = 8.177 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 9,502 cuft Inflow Hydrograph = 10 -Village W Post Max. Elevation = 895.61 ft Pond Name = Village West Storage Max. Storage = 6,956 cuft Pond Routing by Storage Indication Method Center of mass detention time = 14 min 31 3, I 3( 2£ 2( 22 22 2C U CY 1E 16 14 12 10 8 6 4 2 0 0 Qp=8.18 cfs 10 20 30 40 50 60 70 80 90 100 110 120 Time (min) Req'd Stor Village W Post — Village W Storage Pond Report Hydrology Studio v 2.0.0.48 , illage West Storage Underground Chambers Stage / Storage Table Description Input Invert Elev Down, ft 893.60 Chamber Rise, ft 4.00 Chamber Shape Circular Chamber Span, ft 4.00 Barrel Length, ft 150.00 No. Barrels 8 Barrel Slope, % 0.00 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 898 897 896 Y i LL 895 WIN Project Name: 08-21-2017 Stage -Storage Stage -Storage 2000 4000 6000 8000 10000 12000 14000 16000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 Ln lu 2 La 1 0 Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage (ft) (ft) (sgft) (cuft) (cuft) 0.00 893.60 n/a 0.000 0.000 0.20 893.80 n/a 304 304 0.40 894.00 n/a 543 847 0.60 894.20 n/a 681 1,528 0.80 894.40 n/a 785 2,313 1.00 894.60 n/a 864 3,177 1.20 894.80 n/a 922 4,099 1.40 895.00 n/a 970 5,069 1.60 895.20 n/a 997 6,066 1.80 895.40 n/a 1,025 7,091 2.00 895.60 n/a 1,030 8,121 2.20 895.80 n/a 1,030 9,152 2.40 896.00 n/a 1,025 10,177 2.60 896.20 n/a 997 11,174 2.80 896.40 n/a 969 12,143 3.00 896.60 n/a 922 13,065 3.20 896.80 n/a 863 13,928 3.40 897.00 n/a 785 14,713 3.60 897.20 n/a 682 15,395 3.80 897.40 n/a 541 15,936 4.00 897.60 n/a 303 16,239 Stage -Storage 2000 4000 6000 8000 10000 12000 14000 16000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 Ln lu 2 La 1 0 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Village West Storage Stage -Discharge 897 896 Ui 895 894 U 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 4 3 Ln v LQ 2 M Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 893.7 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Circular Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert. Stage -Discharge 897 896 Ui 895 894 U 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 4 3 Ln v LQ 2 M Pond Report Hydrology Studio v 2.0.0.48 tillage West Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage Elev. (ft) Storage (cuft) Culvert (cfs) Orifices, cfs Riser Weirs, cfs Pf Riser Exfil (cfs) UserFTota(ft) (cfs) 1 23(cfs) 1 23(cfs) 0.00 893.60 0.000 0.00 0.00 0.20 893.80 304 0.055 0.055 0.40 894.00 847 0.471 0.471 0.60 894.20 1,528 1.243 1.243 0.80 894.40 2,313 2.306 2.306 1.00 894.60 3,177 3.580 3.580 1.20 894.80 4,099 4.964 4.964 1.40 895.00 5,069 6.319 6.319 1.60 895.20 6,066 7.369 7.369 1.80 895.40 7,091 8.292 &292 2.00 895.60 8,121 9.123 9.123 2.20 895.80 9,152 9.885 9.885 2.40 896.00 10,177 10.59 10.59 2.60 896.20 11,174 11.25 11.25 2.80 896.40 12,143 11.88 11.88 3.00 896.60 13,065 12.47 12.47 3.20 896.80 13,928 13.04 13.04 3.40 897.00 14,713 13.59 13.59 3.60 897.20 15,395 14.11 14.11 3.80 897.40 15,936 14.61 14.61 4.00 897.60 16,239 15.10 15.10 Suffix key. is = inlet control, oc = outlet control, s = submerged weir Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 tillage West Storage Pond Drawdown Stage (ft) N N N O Ol Ln Qcc� C C _ 0 N V a C 0 CU C) L 0 CO M a) M / N E H C C) vi N O ru 00 a 0) V M 00 CO (13) ^ala � ill4q, Hydrograph Report Eas:IIIif Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 illage E Pre North Hyd. No. 1 Hydrograph Type 7 = Rational Peak Flow = 8.103 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 2,431 cuft Drainage Area = 7.47 ac Runoff Coeff. = 0.23* Tc Method = TR55 Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.53 0.40 acre lot 1.94 0.25 Grass 5.0 0.20 woods 7.47 0.23 Weighted Average QP 8.10 cfs 9- 8- 8765432 7- 6- 5- 4- 3- 2- U 1 2 3 4 5 6 Time (min) 7 8 9 10 3W Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 illage E post north 08-21-2017 Hyd. No. 2 Hydrograph Type Storm Frequency Time Interval Drainage Area Tc Method IDF Curve Freq. Corr. Factor = Rational = 1 -yr = 5 min = 5.34 ac = TR55 = TRYON.idf = 1.00 Peak Flow Time to Peak Runoff Volume Runoff Coeff. Time of Conc. (Tc) Intensity Asc/Rec Limb Factors = 21.41 cfs = 0.08 hrs = 6,422 cuft = 0.85 = 5.0 min = 4.7160 in/hr = 1/1 Qp = 21.41 cfs 24 23 22 21 20 19 18 17 16 15 14 13 �12 CY 11 10- 0987654 9- 8- 7- 6- 5- 4 3- 2- 21 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 illage E storage N Project Name: 08-21-2017 Hyd. No. 4 Hydrograph Type = Pond Route Peak Flow = 8.406 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 6,415 cuft Inflow Hydrograph = 2 - Village E post north Max. Elevation = 953.79 ft Pond Name = North Pond Max. Storage = 3,169 cuft Pond Routing by Storage Indication Method Center of mass detention time = 6 min 2� 2; 2L 2' 2C 1� 1f 17 1E 15 14 13 �12 Cr 11 10 9 8 7 6 5 4 3 2 1 0 U Qp = 8.41 ds 10 20 30 40 Time (min) — Req'd Stor ,--- Village E post north — Village E storage N )T7 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aorth Pond Stage -Storage Underground Chambers Stage / Storage Table Description Input Invert Elev Down, ft 951.58 Chamber Rise, ft 4.00 Chamber Shape Circular Chamber Span, ft 4.00 Barrel Length, ft 100.00 No. Barrels 6 Barrel Slope, % 0.25 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 y5t 955 954 UJ 953 952 951 0 Stage -Storage Total Storage (cuft) 0.000 62.0 293 633 1,043 1,502 2,000 2,526 3,073 3,633 4,199 4,766 5,325 5,872 6,398 6,896 7,356 7,764 8,103 8,334 8,396 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers --- Top of Pond 4 3 Ln 0) o, 2 LO m fl 39 Stage / Storage Table Stage Elevation Contour Area Incr. Storage (ft) (ft) (sgft) (cuft) 0.00 951.58 n/a 0.000 0.21 951.79 n/a 62.0 0.43 952.01 n/a 231 0.64 952.22 n/a 340 0.85 952.43 n/a 409 1.06 952.64 n/a 459 1.28 952.86 n/a 498 1.49 953.07 n/a 526 1.70 953.28 n/a 547 1.91 953.49 n/a 560 2.13 953.71 n/a 566 2.34 953.92 n/a 567 2.55 954.13 n/a 559 2.76 954.34 n/a 547 2.98 954.56 n/a 527 3.19 954.77 n/a 497 3.40 954.98 n/a 460 3.61 955.19 n/a 408 3.83 955.41 n/a 340 4.04 955.62 n/a 231 4.25 955.83 n/a 61.8 Stage -Storage Total Storage (cuft) 0.000 62.0 293 633 1,043 1,502 2,000 2,526 3,073 3,633 4,199 4,766 5,325 5,872 6,398 6,896 7,356 7,764 8,103 8,334 8,396 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers --- Top of Pond 4 3 Ln 0) o, 2 LO m fl 39 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 .forth Pond Stage -Discharge 955 $ 954 a� u, 953 ESA 3 Ln d LO 2 (D, U i z :3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 40 Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 951.59 Invert Elevation, ft Orifice Coefficient, Co 6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser Ancillary 1 2 3 Shape / Type Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw Routes through Culvert. Stage -Discharge 955 $ 954 a� u, 953 ESA 3 Ln d LO 2 (D, U i z :3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 40 Pond Report Hydrology Studio v 2.0.0.48 . Jorth Pond Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage 9 (ft) Elev. (ft) Storage 9 (cuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 951.58 0.000 0.00 0.00 0.21 951.79 62.0 0.220 0.220 0.43 952.01 293 0.876 0.876 0.64 952.22 633 1.892 1.892 0.85 952.43 1,043 3.180 3.180 1.06 952.64 1,502 4.631 4.631 1.28 952.86 2,000 6.090 6.090 1.49 953.07 2,526 7.291 7.291 1.70 953.28 3,073 8.249 8.249 1.91 953.49 3,633 9.133 9.133 2.13 953.71 4,199 9.940 9.940 2.34 953.92 4,766 10.69 10.69 2.55 954.13 5,325 11.38 11.38 2.76 954.34 5,872 12.04 12.04 2.98 954.56 6,398 12.66 12.66 3.19 954.77 6,896 13.26 13.26 3.40 954.98 7,356 13.82 13.82 3.61 955.19 7,764 14.37 14.37 3.83 955.41 8,103 14.89 14.89 4.04 955.62 8,334 15.40 15.40 4.25 955.83 8,396 15.89 15.89 Suffix key is = inlet control, oc = outlet control, s = submerged weir Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 forth Pond Pond Drawdown Stage (ft) 00 Cp 0 Ib 0 E r 0 C N = L Q � O � E I H 7 C ^O LL � O O Z O m 0 N O N 1= H O C vi O N IT N Ln r\J Ln Ln Ln UI) Ln Ln O1 Ln Ln � Ln al (11) ^a 13 1 It7— Hydrograph Report VilF,aProject Name: S Hydrology Studio v 2.0.0.48 08-21-2017 tillage E Pre South Hyd. No. 8 Hydrograph Type = Rational Peak Flow = 9.668 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 2,900 cuft Drainage Area = 10.25 ac Runoff Coeff. = 0.2* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 10.25 0.20 grass 10.25 0.20 Weighted Average Qp = 9.67 cfs 1" 1( E cr 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (min) 43 Hydrograph Report Hydrology Studio v 2.0.0.48 Allage E post south Project Name: 08-21-2017 Hyd. No. 3 Hydrograph Type Storm Frequency Time Interval Drainage Area Tc Method OF Curve Freq. Corr. Factor = Rational = 1 -yr = 5 min = 5.31 ac = TR55 = TRYON.idf = 1.00 Peak Flow Time to Peak Runoff Volume Runoff Coeff. Time of Conc. (Tc) Intensity Asc/Rec Limb Factors = 21.29 cfs = 0.08 hrs = 6,386 cuft = 0.85 = 5.0 min = 4.7160 in/hr = 1/1 Qp = 21.29 cfs 24 23 22 21- 12019181716151413109 20- 19- 18- 17- 16- 15- 14- 13- 10- 9 8 7- 6- 654 5- 4 3- 2- 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 illage E Storage S Project Name: 08-21-2017 Hyd. No. 5 Hydrograph Type = Pond Route Peak Flow = 7.752 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 6,359 cuft Inflow Hydrograph = 3 - Village E post south Max. Elevation = 949.53 ft Pond Name = South pond Max. Storage = 3,824 cuft Pond Routing by Storage Indication Method Center of mass detention time = 9 min 2,• 2: 2, 2' 2( 1( 1f 17 1E 13 14 13 �12 0 11 10 9 8 7 6 5 4 3 2 1 0 0 Qp = 7.75 ds 10 20 30 40 50 60 70 80 Time (min) — Req'd Stor -� R Village E post south — Village E Storage S Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Jouth pond Stage -Storage Underground Chambers Stage / Storage Table Description Input Invert Elev Down, ft 947.46 Chamber Rise, ft 4.00 Chamber Shape Arch Chamber Span, ft 4.00 Barrel Length, ft 100.00 No. Barrels 6 Barrel Slope, % 0.25 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 952 951 950 a� w 949 OM. Stage -Storage 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers - Top of Pond 4 3 2 � 01 12 Stage / Storage Table Stage Elevation Contour Area Inco Storage Total Storage (ft) (ft) (sqft) (cuft) (cuft) 0.00 947.46 n/a 0.000 0.000 0.21 947.67 n/a 254 254 0.43 947.89 n/a 547 801 0.64 948.10 n/a 565 1,366 0.85 948.31 n/a 561 1,927 1.06 948.52 n/a 555 2,482 1.28 948.74 n/a 548 3,030 1.49 948.95 n/a 539 3,569 1.70 949.16 n/a 528 4,097 1.91 949.37 n/a 515 4,612 2.13 949.59 n/a 500 5,112 2.34 949.80 n/a 483 5,594 2.55 950.01 n/a 462 6,057 2.76 950.22 n/a 439 6,496 2.98 950.44 n/a 413 6,909 3.19 950.65 n/a 382 7,291 3.40 950.86 n/a 346 7,637 3.61 951.07 n/a 302 7,939 3.83 951.29 n/a 247 8,186 4.04 951.50 n/a 166 8,352 4.25 951.71 n/a 44.0 8,396 Stage -Storage 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers - Top of Pond 4 3 2 � 01 12 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Jouth pond Stage -Discharge 951 950 a, UJ 949 U i 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 3 LQ M 2 Orifices Culvert / Orifices culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 947.47 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope; % N -Value, n 0.000 Weirs Weirs Riser Ancillary 1 2 3 Shape / Type Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert. Stage -Discharge 951 950 a, UJ 949 U i 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 3 LQ M 2 Pond Report Hydrology Studio v 2.0.0.48 -iouth pond Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cult) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 947.46 0.000 0.00 0.00 0.21 947.67 254 0.220 0220 0.43 947.89 801 0.876 0.876 0.64 948.10 1,366 1.892 1.892 0.85 948.31 1,927 3.180 3.180 1.06 948.52 2,482 4.631 4.631 1.28 948.74 3,030 6.090 6.090 1.49 948.95 3,569 7.291 T291 1.70 949.16 4,097 8.249 8.249 1.91 949.37 4,612 9.134 9.134 2.13 949.59 5,112 9.940 9.940 2.34 94980 5,594 10.69 10.69 2.55 950.01 6,057 11.38 11.38 2.76 950.22 6,496 12.04 12.04 2.98 950.44 6,909 12.66 12.66 3.19 950.65 7,291 13.26 13.26 3.40 950.86 7,637 13.82 13.82 3.61 951.07 7,939 14.37 14.37 3.83 951.29 8,186 14.89 14.89 4.04 951.50 8,352 15.40 15.40 4.25 951.71 8,396 15.89 15.89 sumx Key. is = inlet control, oc = outlet control, s = submerged weir 2+ � Pond Report Project Name: Hydrology Studio v 2.0.0.48 ,outh pond 08-21-2017 Pond Drawdown Stage (ft) V M E F C N E 1 � C 12 O Q '0 vJ N E f - C L a) [) 0) Ln Ln Ln r N rn rn rn (;}) na13 rn Vi a M • Project Name: Hydrograph Report e S /J J It Hydrology Studio v 2.0.0.48 08-21-2017 tillage EPost Middle Hyd. No. 6 Hydrograph Type Storm Frequency Time Interval Drainage Area Tc Method OF Curve Freq. Corr. Factor = Rational = 1 -yr = 5 min = 4.18 ac = User = TRYON.idf = 1.00 Peak Flow Time to Peak Runoff Volume Runoff Coeff. Time of Conc. (Tc) Intensity Asc/Rec Limb Factors = 16.76 cfs = 0.08 hrs = 5,027 cuft = 0.85 = 5.0 min = 4.7160 in/hr = 1/1 Qp = 16.76 cfs 19- 91817161514131211 18- 17- 16- 15- 14- 13- 12- 11 �, 10 C' 9- 8- 87 7 6- 5- 54 4 3 2 1 r 0 1 2 3 4 5 6 7 8 9 10 Time (min) 15O Hydrograph Report Hydrology Studio v 2.0.0.48 ✓iilageE Storage Mid Project Name: 08-21-2017 Hyd. No. 7 Hydrograph Type = Pond Route Peak Flow = 4.323 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 5,020 cuft Inflow Hydrograph = 6 - Village EPost Middle Max. Elevation = 950.46 ft Pond Name = Middle Pond Max. Storage = 3,382 cuft Pond Routing by Storage Indication Method Center of mass detention time = 10 min Qp = 4.32 ds W 10 20 30 40 50 60 Time (min) —Req'd Stor Village Post Middle — VillageE Storage Mld Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Addle Pond Stage -Storage Underground Chambers Stage / Storage Table Description Input Invert Elev Down, ft 948.40 Chamber Rise, ft 4.00 Chamber Shape Circular Chamber Span, ft 4.00 Barrel Length, ft 100.00 No. Barrels 6 Barrel Slope, % 0.25 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 953 952 951 a� UJ 950 949 Stage -Storage Total Storage (cuft) 0.000 62.0 293 633 1,043 1,502 2,000 2,526 3,073 3,633 4,199 4,766 5,325 5,872 6,398 6,896 7,356 7,764 8,103 8,334 8,396 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 cn 2 M 1 0 r 22 Stage / Storage Table Stage Elevation Contour Area Incr. Storage (ft) (ft) (sgft) (cuft) 0.00 948.40 n/a 0.000 0.21 948.61 n/a 62.0 0.43 948.83 n/a 231 0.64 949.04 n/a 340 0.85 949.25 n/a 409 1.06 949.46 n/a 459 1.28 949.68 n/a 498 1.49 949.89 n/a 526 1.70 950.10 n/a 547 1.91 950.31 n/a 560 2.13 950.53 n/a 566 2.34 950.74 n/a 567 2.55 950.95 n/a 559 2.76 951.16 n/a 547 2.98 951.38 n/a 527 3.19 951.59 n/a 497 3.40 951.80 n/a 460 3.61 952.01 n/a 408 3.83 952.23 n/a 340 4.04 952.44 n/a 231 4.25 952.65 n/a 61.8 Stage -Storage Total Storage (cuft) 0.000 62.0 293 633 1,043 1,502 2,000 2,526 3,073 3,633 4,199 4,766 5,325 5,872 6,398 6,896 7,356 7,764 8,103 8,334 8,396 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 cn 2 M 1 0 r 22 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 _Riddle Pond Stage -Discharge I 952 951 v LU 950 949 u 2 3 4 5 Discharge (cfs) — Top of Pond — Orifice Total Q 6 7 8 3 LO 2 M, r, a, Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise; in 12 Perf. Rise, in Span, in 12 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 948.41 Invert Elevation, ft Orifice Coefficient; Co 6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Circular Rectangular Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert. Stage -Discharge I 952 951 v LU 950 949 u 2 3 4 5 Discharge (cfs) — Top of Pond — Orifice Total Q 6 7 8 3 LO 2 M, r, a, Pond Report Hydrology Studio v 2.0.0.48 diddle Pond Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 948.40 0.000 0.00 0.00 0.21 948.61 62.0 0.175 0.175 0.43 948.83 293 0.677 0.677 0.64 949.04 633 1.401 1.401 0.85 949.25 1,043 2.199 2.199 1.06 949.46 1,502 2.811 2.811 1.28 949.68 2,000 3.307 3.307 1.49 949.89 2,526 3.738 3.738 1.70 950.10 3,073 4.125 4.125 1.91 950.31 3,633 4.478 4.478 2.13 950.53 4,199 4.805 4.805 2.34 950.74 4,766 5.112 5.112 2.55 950.95 5,325 5.401 5.401 2.76 951.16 5,872 5.675 5.675 2.98 951.38 6,398 5.937 5.937 3.19 951.59 6,896 6.187 6.187 3.40 951.80 7,356 6.428 6.428 3.61 952.01 7,764 6.660 6.660 3.83 952.23 8,103 6.885 6.885 4.04 952.44 8,334 7.102 7.102 4.25 952.65 8,396 7.313 7.313 Suffix key.: is = inlet control, oc = outlet control, s = submerged weir Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Addle Pond Pond Drawdown Stage (ft) Co v, M N LLC I� O ` E C C X10 o n O _a) C O G UP O O M O N O � E H C O � vi N O 0) M N O � Co L(1 Lfl lfl Ln Ln (:4) A@ 13 55 Hydrograph Report 6-4L/a moh dtr 1 V Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 ,alamander N Pre Hyd. No. 12 Hydrograph Type = Rational Peak Flow = 8.338 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 2,501 cuft Drainage Area = 8.84 ac Runoff Coeff. = 0.2* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 8.84 020 Grass 8.84 0.20 Weighted Average Qp = 8.34 cfs r E c u 4 3 2 E U I L i 4 5 6 7 8 9 Time (min) 10 Hydrograph Report Hydrology Studio v 2.0.0.48 -palamander N Post Project Name: 08-21-2017 Hyd. No. 13 Hydrograph Type = Rational Peak Flow = 26.97 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 8,091 cuft Drainage Area = 10.79 ac Runoff Coeff. = 0.53* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 3.96 0.95 Asphalt 0.64 0.90 Building Roof 5.99 0.20 Grass 10.79 0.53 Weighted Average QP = 26.97 cfs 31- 1302928272625242372221J2019181716Cy 30- 29- 28- 27- 26- 25- 24- 23- 22- 21- 20- 19- 18- 17- 16- Cy15- 51413121110987654321 14- 13- 12- 11- 10- 9- 8- 7- 6- 5- 4- 3- 2- 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (min) 57 Hydrograph Report Hydrology Studio v 2.0.0.48 -)alamander N Storage Project Name: 08-21-2017 Hyd. No. 20 Hydrograph Type Storm Frequency Time Interval Inflow Hydrograph Pond Name = Pond Route = 1 -yr = 5 min = 13 - Salamander N Post = Salamander N Storage Peak Flow Time to Peak Hydrograph Volume Max. Elevation Max. Storage = 4.565 cfs = 0.17 hrs = 8,083 cuft = 871.11 ft = 6,457 cuft Pond Routing by Storage Indication Method Center of mass detention time = 19 min QP = 4.57 ds 31- 13029282726252423222120191817161514131211 30- 29- 28- 27- 26- 25- 24- 23- 22- 21- 20- 19- 18- 17- 16- 15- 14- 13- 12- 11 10- 0987653 9- 8- 7- 6- 5- 3-, 2 1 0 1 2 3 4 Time (hrs) Req'd Stor Salamander N Post — Salamander N Storage ✓ b Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 _)alamander N Storage Stage -Storage 873 872 871 UJ 870 User Defined Contours Description Input Bottom Elevation, ft 869.00 Stage / Storage Table Stage (ft) Elevation (ft) Contour Area (sgft) Incr. Storage (cuft) Total Storage (cuft) 0.00 1.00 869.00 870.00 2,292 3,280 0.000 2,771 0.000 2,771 Voids (%) 100.00 Volume Calc Conic 2.00 871.00 4,362 3,807 6,578 3.00 872.00 5,703 5,017 11,595 4.00 873.00 7,011 6,345 17,940 Stage -Storage 4 3 2000 4000 I 0 6000 8000 10000 12000 14000 16000 18000 Total Storage (cuft) — Contours Top of Pond Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 .ialamander N Storage Stage -Discharge 872 870 3 2 M it 869-40 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Discharge (cfs) — Top of Pond ----Culvert —Orifice Total Q 60 Orifices Culvert / Orifices culvert Orifice Plate 1 2 3 Rise, in 24 12 Orifice Rise, in Span, in 24 12 Orifice Span, in No. Barrels 1 1 No. Orifices Invert Elevation, ft 859.5 869.01 Invert Elevation, ft Orifice Coefficient, Co .6 .6 Height, ft Length, ft 50 Orifice Coefficient, Co Barrel Slope, % 1 N -Value, n 0.013 Weirs Weirs Riser* Ancillary 1* 2 3 Shape / Type Box Rectangular Exfiltration, in/hr Crest Elevation, ft 873 872 Tailwater Elevation, ft Crest Length, ft 12 10 Angle, deg Weir Coefficient, Cw 3.3 3.3 Routes through Culvert. Stage -Discharge 873 1 r4 872 870 3 2 M it 869-40 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Discharge (cfs) — Top of Pond ----Culvert —Orifice Total Q 60 Pond Report Hydrology Studio v 2.0.0.48 jalamander N Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cult) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 869.00 0.000 0.00 0.00 0.00 0.00 0.00 1.00 870.00 2,771 44.10 is 2 656 0.00 000 2.656 2.00 871.00 6,578 44.10 is 4.616 0.00 0.00 4.616 3.00 872.00 11,595 44.10 is 5.967 0.00 0.00 5.967 4.00 873.00 17,940 44.10 is 7.064 0.00 0.00 7.064 OU— rtey: is = Inlet control, oc = outlet control, s = submerged weir (V i Pond Report Hydrology Studio v 2.0.0.48 ,alamander N Storage Project Name: 08-21-2017 Pond Drawdown Stage (ft) N m v in r Ln N E C (6 = L � Q E 1 F -- a) C 0 L M VJ Z L C N _M COz V E C vi (D O 0) M f V t6 0000 00 00 00 ()J)) ^a13 toll Hydrograph Report SAt1AM4#Jtrkf Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 .salamander S Pre Hyd. No. 23 Hydrograph Type = Rational Peak Flow = 3.737 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,121 cuft Drainage Area = 3.17 ac Runoff Coeff. = 0.25" Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 3.17 0.25 Woods 3.17 0.25 Weighted Average �z Qp = 3.74 ds U 1 2 3 4 5 6 7 8 9 10 Time (min) Co3 Hydrograph Report Hydrology Studio v 2.0.0.48 -oalamander S Post Project Name: 08-21-2017 Hyd. No. 24 Hydrograph Type = Rational Peak Flow = 16.27 cfs Storm Frequency = 1 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 4,882 cuft Drainage Area = 6.39 ac Runoff Coeff. = 0.54* Tc Method = User Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 4.7160 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 1.22 0.95 Asphalt 1.76 0.90 Building Roof 3.41 0.20 Grass 6.39 0.54 Weighted Average 1. 1- 1E 1` 1,e 1- 1� 11 1C g 8 7 6 5 4 3 2 1 0 U QP = 16.27 ds 1 z 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 .alamander S Storage Project Name: 08-21-2017 Hyd. No. 25 Hydrograph Type = Pond Route Peak Flow = 0.059 cfs Storm Frequency = 1 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 4,787 cuft Inflow Hydrograph = 24 - Salamander S Post Max. Elevation = 906.41 ft Pond Name = Salamander S Storage Max. Storage = 4,863 cuft Pond Routing by Storage Indication Method Center of mass detention time = 20.49 hrs Qp = 0.06 ds L 4 b 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 Time (hrs) Salamander S Post — Salamander S Storage U t Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 -jalamander S Storage Stage -Storage FAIR •1• F > 908 LL, 907 User Defined Contours Description Input Stage / Storage Table Stage Elevation Contour Area Incr. Storage Bottom Elevation, ft 906.00 (ft) (ft) (Sgft) (cuft) 0.00 906.00 9,709 0.000 Voids (%) 100.00 1.00 907.00 14,201 11,883 Volume Calc Conic 2.00 908.00 15,855 15,019 3.00 909.00 17,598 16,717 4.00 910.00 19,500 18,539 Stage -Storage Total Storage (cuft) 0.000 11,883 26,901 43,619 62,158 10000 20000 30000 40000 50000 Total Storage (cuft) — Contours Top of Pond 4 3 2 M 1 M, Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 ..Palamander S Storage Stage -Discharge Culvert / Orifices Culvert Orifices Orifice Plate 1* 2 3 Rise, in 36 2 Orifice Rise, in Span, in 36 2 Orifice Span, in No. Barrels 1 1 No. Orifices Invert Elevation, ft 901 906.01 Invert Elevation, ft Orifice Coefficient, Co .6 .6 Height, ft Length, ft 78 Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.013 Weirs Weirs Riser Ancillary 1* 2 3 Shape / Type Box Rectangular Exfiltration, in/hr Crest Elevation, ft 909 908 Tailwater Elevation, ft Crest Length, ft 4 8 Angle, deg Weir Coefficient, Cw 3.3 3.3 'Routes through Culvert. 91C 909 a � 908 LU 907 lllllllllllM� Stage -Discharge 4 b 0 1U 1Z 14 1 b I b ZU ZZ Z4 Zb Z8 3U 3Z 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 Discharge (cfs) — Top of Pond - Culvert — Riser— Orifice - Rectangular Total Q 4 3 Ln (, m �LO rD Pond Report Hydrology Studio v 2.0.0.48 iIalamander S Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cult) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 906.00 0.000 0.00 0.00 0.00 0.00 0.00 1.00 90700 11,883 55.88 oc 0.100 000 0.00 0.100 2.00 908.00 26,901 55.88 oc 0.145 0.00 0.00 0.145 3.00 909.00 43,619 55.88 oc 0.179 0.00 26.40 26.58 4.00 910.00 62,158 79.91 oc 0.145 5.377 is 74.39s 79,91 sumx Key. is = inlet control, oc = outlet control, s = submerged weir Pond Report Hydrology Studio v 2.0.0.48 -ialamander S Storage Project Name: 08-21-2017 Pond Drawdown Ln m Stage (ft) m m M O �n 0 O m 0 N O O O O dl LE f CO 0 _ N I ♦— Q� O •C L O COC `` vJ L O Ln C E (U O 'V cc O M O N N H C 0 vi d O C)i O r CD O N 61 6l (4f ) ^ala I STORMWATER CALCULATIONS 10 -YR STORM EVENT TRYON EQUESTRIAN PROPERTIES, LLC Polk County, North Carolina August 21, 2017 Mt Odom Engineering PLLC NC FIRM# P-0880 169 Oak Street Forest City, N.C. 28043 828-247-4495 "TABLE OF CONTENTS Summary................................................................................................................................................................1 Stablehouse Inn Site Drainage Areas......................................................................................................................4 StablehouseInn North...............................................................................................................................................4 StablehouseInn South.............................................................................................................................................11 StablehouseInn East................................................................................................................................................ 18 CoveredArena.....................................................................................................................................................20 VillageWest........................................................................................................................................................27 VillageEast Drainage Areas..................................................................................................................................34 VillageEast North....................................................................................................................................................34 VillageEast South....................................................................................................................................................41 VillageEast Middle..................................................................................................................................................48 SalamanderDrainage Areas.................................................................................................................................54 SalamanderNorth....................................................................................................................................................54 SalamanderSouth.................................................................................................................................................... 61 swmvy Hydrograph 10 -yr Summary Hydroloqy Studio v 2.0.0.48 SuMMAKY Project Name: 08-21-2017 Hyd. No. Hydrograph Type Hydrograph Name Peak Flow (cfs) Time to Peak (hrs) Hydrograph Volume (cult) Inflow Hyd(s) Maximum Elevation (ft) Maximum Storage (cult) 1 Rational Village E Pre North 12.83 0.08 3,850 ---- 2 Rational Village E post north 33.90 0.08 10,171 ---- 3 Rational Village E post south 33.71 0.08 10,114 ---- 4 Pond Route Village E storage N 11.76 0.17 10,165 2 955.00 5,637 5 Pond Route Village E Storage S 11.38 0.17 10,088 3 950.95 6,052 6 Rational Village EPost Middle 26.54 0.08 7,962 ---- 7 Pond Route VillageE Storage Mld 5.652 0.17 7,955 6 951.49 5,826 8 Rational Village E Pre South 15.31 0.08 4,594 ---- 9 Rational Village W Pre 34.49 0.08 10,346 ---- 10 Rational Village W Post 51.04 0.08 15,313 ---- 11 Pond Route Village W Storage 11.33 0.17 15,147 10 896.58 11,284 12 Rational Salamander N Pre 13.21 0.08 3,962 ---- 13 Rational Salamander N Post 42.72 0.08 12,815 ---- 14 Rational Stablehouse N pre 11.74 0.08 3,523 ---- 15 Rational Stablehouse S Pre 6.871 0.08 2,061 ---- 16 Rational Stablehouse E Pre 5.566 0.08 1,670 ---- 17 Rational Stablehouse N Post 29.23 0.08 8,768 ---- 18 Rational Stablehouse S Post 8.350 0.08 2,505 ---- 19 Rational Stablehouse E Post 5.160 0.08 1,548 ---- 20 Pond Route Salamander N Storage 5.742 0.17 12,807 13 871.99 10,672 21 Pond Route Stablhouse N Storage 5.358 0.17 8,763 17 905.25 6,789 22 Pond Route Stablehouse S Storag 5.683 0.08 2,726 18 900.27 400 23 Rational Salamander S Pre 5.920 0.08 1,776 ---- 24 Rational Salamander S Post 25.77 0.08 7,732 ---- 25 Pond Route Salamander S Storage 0.078 0.17 7,637 24 906.65 7,706 26 Rational Covered Arena Pre 88.20 0.08 26,461 ---- 27 Rational Covered Arena Post 141.5 0.08 42,447 ---- 28 Pond Route Covered Arena Storag 29.62 0.17 42,438 27 880.43 31,495 Design Storm Report Hydrology Studio v 2.0.0.48 'torm Distribution: OF Based - Synthetic Custom Storm filename: 08-21-2017 Storm Total Rainfall Volume (in) Duration 1 -yr 2 -yr 3 -yr 5 -yr -I10-yr 25 -yr 50 -yr 100 -yr Precip 24 hrs 2.26 2.79 0 0 5.25 7.32 0 11.46 (hrs) 2- Incremental Rainfall Distribution, 10 -yr Time Precip Time Precip Time Precip Time Precip Time Precip (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) 9.50 0.0145 10.42 0.0218 11.33 0.0491 12.25 0.1434 13.17 0.0299 9.58 0.0149 10.50 0.0229 11.42 0.0557 12.33 0.1067 13.25 0.0280 9.67 0.0154 10.58 0.0242 11.50 0.0645 12.42 0.0846 13.33 0.0263 9.75 0.0159 10.67 0.0256 11.58 0.0767 12.50 0.0701 13.42 0.0248 9.83 0.0165 10.75 0.0271 11.67 0.0944 12.58 0.0598 13.50 0.0235 9.92 0.0170 10.83 0.0289 11.75 0.1225 12.67 0.0522 13.58 0.0224 10.00 0.0177 10.92 0.0310 11.83 0.1723 12.75 0.0463 13.67 0.0213 10.08 0.0184 11.00 0.0334 11.92 0.2797 12.83 0.0417 13.75 0.0204 10.17 0.0191 11.08 0.0363 12.00 0.6225 12.92 0.0379 13.83 0.0195 10.25 0.0199 11.17 0.0397 12.08 0.3929 13.00 0.0348 13.92 0.0187 10.33 0.0208 11.25 0.0439 12.17 0.2143 13.08 0.0322 14.00 0.0180 6 6 5 5 4 4 c � 0 3 rD n 3 _ 2 2 1 1 0 0 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hrs) 2- CALCULATIONS SUMMARY (10 -yr) DRAINAGE AREA PRE (cfs) POST (cfs) ROUTED (cfs) Stablehouse Inn North 11.74 29.23 5.36 Stablehouse Inn South 6.87 8.35 5.68 Stablehouse Inn East 5.57 5.16 N/A Covered Arena 88.20 141.49 29.62 Village West 34.49 51.04 11.33 Village East North 12.83 33.90 11.76 Village East South 15.31 33.71 11.38 Village East Middle N/A 26.54 5.65 Salamander North 13.21 42.72 5.74 Salamander South 5.92 25.77 0.08 3 Project Name: Hydrograph Report -s'P� ri Hydrology Studio v 2.0.0.48 08-21-2017 "tablehouse N pre - Hyd. Nu. 14 Hydrograph Type = Rational Peak Flow = 11.74 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 3,523 cuft Drainage Area = 2.62 ac Runoff Coeff. = 0.6* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.99 0.95 Asphalt 0.44 0.90 Building Roof 1.19 0.20 Grass 2.62 0.60 Weighted Average 13 12 11 10 9 8 7 V 6 5 4 3 2 1 0 U QP = 11.74 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 lablehouse N Post Project Name: 08-21-2017 Hyd. No. 17 Hydrograph Type = Rational Peak Flow = 29.23 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 8,768 cuft Drainage Area = 5.36 ac Runoff Coeff. = 0.73* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 2.82 0.95 Asphalt 1.06 0.90 Building Roof 1.48 0.20 Grass 5.36 0.73 Weighted Average 32 30 28 26 24 22 20 18 Cy 16 14 12 10 8 6 4 2 QP = 29.23 cfs Ill I z J 4 5 6 7 8 9 10 Time (min) 15 Hydrograph Report Hydrology Studio v 2.0.0.48 'tablhouse N Storage Project Name: 08-21-2017 Hyd. No. 21 Hydrograph Type = Pond Route Peak Flow = 5.358 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 8,763 cuft Inflow Hydrograph = 17 - Stablehouse N Post Max. Elevation = 905.25 ft Pond Name = Stablehouse N Storage Max. Storage = 6,789 cuft Pond Routing by Storage Indication Method Center of mass detention time = 16 min 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 U Qp = 5.36 cfs IU U 5 4U 5U 6U 70 80 90 100 110 120 130 Time (min) ----- Req'd Stor - -- Stablehouse N Post — Stablhouse N Storage to Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'tablehouse N Storage Stage -Storage 907 0I1I,0 a', 905 w 904 903 User Defined Contours Description Input Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage Bottom Elevation, ft 902.00 (ft) (ft) (sqft) (cuft) (cuft) 0.00 902.00 1,536 0.000 0.000 Voids (%) 100.00 1.00 903.00 2,000 1,763 1,763 Volume Calc Conic 2.00 904.00 2,496 2,243 4,006 3.00 905.00 3,024 2,756 6,761 4.00 906.00 3,583 3,299 10,061 5.00 907.00 4,168 3,871 13,932 6.00 908.00 4,779 4,470 18,402 Stage -Storage Luuu 4000 6000 8000 10000 12000 14000 16000 18000 Total Storage (cuft) — Contours Top of Pond R I 4 3 M 2 0 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'tablehouse N Storage Stage -Discharge Culvert / Orifices Culvert Orifices Orifice Plate 1* 2 3 Rise, in 24 12 Orifice Rise, in Span, in 24 12 Orifice Span, in No. Barrels 1 1 No. Orifices Invert Elevation, ft 902 902.01 Invert Elevation, ft Orifice Coefficient, Co .6 .6 Height, ft Length, ft 36 Orifice Coefficient, Co Barrel Slope, % 16.6 N -Value, n 0.013 Weirs Riser* Weirs Ancillary 1 2 3 Shape / Type Box Cipoletti Rectangular Rectangular Exfiltration, in/hr Crest Elevation, ft 906 907 910 Tailwater Elevation, ft Crest Length, ft 12 10 16 Angle, deg Weir Coefficient, Cw 3.3 3.3 3.3 'Routes through Culvert. Stage -Discharge 908 907 906 905 'U 904 903 902 v ID zu Z5 ju i5 40 45 50 55 60 61. Discharge (cfs) — Top of Pond z--~°- Culvert — Riser — Orifice — Cipoletti Total Q 4 LA ED LO3 2 1 Pond Report Hydrology Studio v 2.0.0.48 lablehouse N Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 902.00 0.000 0.00 0.00 0.00 0.00 0.00 0.00 1.00 903.00 1,763 2-300 is 2.300 0.00 0.00 0.00 2.300 2.00 904.00 4,006 4.053 is 4.052 0.00 0.00 0.00 4.052 3.00 905.00 6,761 5.348 is 5.348 0.00 0.00 0.00 5.348 4.00 906.00 10,061 6.531 is 6.428 0.00 0.00 0.00 6.428 5.00 907.00 13,932 29.21 is 1.970 27.23s 0.00 0.00 29.20 6.00 908.00 18,402 33.63 is 0.887 32.74s 33.00 0.00 66.63 o."" nry. 'c - mist conrror, ac = ouner conrroi, s = submerged weir Pond Report Hydrology Studio v 2.0.0.48 'tablehouse N Storage Project Name: 08-21-2017 Pond Drawdown Stage (ft) M N M O Ol M M N Co V Qi E � N C _ N M E 1 p a) C 0 c 0 L- 0 COv Z � N O m ..Q rr- vJ N E F- C vi N O IT C) CD � C) O O M O N � Ol M (13) ^a 13 10 Hydro ra h Report310�,b"06& Inn IS Project Name: 9 p p Hydrology Studio v 2.0.0.48 08-21-2017 lablehouse S Pre Hyd. No. 15 Hydrograph Type = Rational Peak Flow = 6.871 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 2,061 cuft Drainage Area = 4.38 ac Runoff Coeff. = 0.21* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.08 0.95 Asphalt 4.3 0.20 Grass 4.38 0.21 Weighted Average 7 0 5 4 d 3 2 1 Qp = 6.87 cfs V I L 4 5 6 Time (min) 7 8 9 10 I I Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'Itablehouse S Post Hyd. No. 18 Hydrograph Type = Rational Peak Flow = 8.350 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 2,505 cuft Drainage Area = 2.07 ac Runoff Coeff. = 0.54* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 0.94 0.95 Asphalt 1.13 0.20 Grass 2.07 0.54 Weighted Average - 9 8 7 6 5 V CY 4 3 2 E Qp = 8.35 cfs c s 4 5 6 Time (min) 7 8 9 10 1'L Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 lablehouse S Storag Hyd. No. 22 Hydrograph Type = Pond Route Peak Flow = 5.683 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Hydrograph Volume = 2,726 cuft Inflow Hydrograph = 18 - Stablehouse S Post Max. Elevation = 900.27 ft Pond Name = Stablehouse S storage Max. Storage = 400 cuft Pond Routing by Storage Indication Method Center of mass detention time = 2 min C 7 R 5 a 4 3 2 I Qp = 5.68 cfs 3 4 5 6 7 8 9 10 11 12 13 14 15 Time (min) Req'd Stor — Stablehouse S Post — Stablehouse S Storag 13 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'tablehouse S storage Stage -Storage Underground Chambers Stage / Storage Table Description Input Stage Elevation Contour Area Incr. Storage Total Storage Invert Elev Down, ft 898.41 lftl Iftl (sgft) (cuft) (cuft) 0.00 898.41 n/a 0.000 0.000 Chamber Rise, ft 24.00 1.21 899.62 n/a 395 395 Chamber Shape Circular 2.41 900.82 n/a 749 1,144 Chamber Span, ft 24.00 3.62 902.03 n/a 949 2,092 4.83 903.24 n/a 1,094 3,186 Barrel Length, ft 50.00 6.03 904.44 n/a 1,208 4,394 No. Barrels 1 7.24 905.65 n/a 1,292 5,686 8.44 906.85 n/a 1,350 7,036 Barrel Slope, % 0.25 9.65 908.06 n/a 1,403 8,439 Headers, y/n No 10.86 909.27 n/a 1,432 9,871 12.06 910.47 n/a 1,445 11,316 Stone Encasement, y/n No 13.27 911.68 n/a 1,443 12,759 Encasement Bottom Elevation, ft 0.00 14.48 912.88 n/a 1,433 14,192 15.68 914.09 n/a 1,402 15,593 Encasement Width per Chamber, ft 0.00 16.89 915.30 n/a 1,354 16,947 Encasement Depth, ft 0.00 18.09 916.50 n/a 1,287 18,234 19.30 917.71 n/a 1,207 19,441 Encasement Voids, % 40.00 20.51 918.92 n/a 1,094 20,535 21.71 920.12 n/a 949 21,484 22.92 921.33 n/a 746 22,230 24.13 922.54 n/a 394 22,624 922 920 918 916 914 F912 aa) 910 w 908 906 904 902 900 898 v Stage -Storage cuuv 4000 0uuu uuuu 10000 12000 14000 16000 18000 20000 22000 Total Storage (cuft) - UG Chambers Top of Pond 24 22 20 18 16 14 12 M 10` 8 6 4 2 0 Pond Report Project Name: Hydrology Studio v 2.0.0.48 'tablehouse S storage 08-21-2017 Stage -Discharge 15 Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 898.42 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser` Ancillary 1 2 3 Shape / Type Circular Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw Routes through Culvert. Stage -Discharge 922 24 920 22 918-20 916 18 914 16 E912 14 a) 910 LU 12 r�u 908 10 906 8 904 6 902 4 900 2 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 Discharge (cfs) — Top of Pond—Orifice Total Q 15 Pond Report Hydrology Studio v 2.0.0.48 tablehouse S storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (tuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 898.41 0.000 0.00 0.00 1.21 899.62 395 5.628 5.628 2.41 900.82 1,144 10.94 10.94 3.62 902.03 2,092 14.38 14.38 4.83 903.24 3,186 17.15 17.15 6.03 904.44 4,394 19.53 19.53 7.24 905.65 5,686 21.65 21.65 8.44 906.85 7,036 23.58 23.58 9.65 908.06 8,439 25.37 25.37 10.86 909.27 9,871 27.03 27.03 12.06 910.47 11,316 28.60 28.60 13.27 911.68 12,759 30.09 30.09 14.48 912.88 14,192 31.51 31.51 15.68 914.09 15,593 32.86 32.86 16.89 915.30 16,947 34.17 34.17 18.09 916.50 18,234 35.42 35.42 19.30 917.71 19,441 36.63 36.63 20.51 918.92 20,535 37.81 37.81 21.71 920.12 21,484 38.94 38.94 22.92 921.33 22,230 40.05 40.05 24.13 922.54 22,624 41.12 41.12 ouinx key. rc = rmer control, oc = outlet control, s = submerged weir Pond Report Project Name: Hydrology Studio v 2.0.0.48 tablehouse S storage 08-21-2017 Pond Drawdown Stage (ft) 00 r- lfl M M N O M 00 I'- lD Ln V M N O M CO r` lfl Ln M N N N N N N O lIl O O Ln url O L(1 CD Ln O aCC.i C � O N C S N Ln E M � O Q LM 0 o N Ln N N C� O O ♦`•O VJ O O N H Ln O O vi N _ O 0) O M N O C, I� I LrI M N �_ O 61 lD Lr1 — N N N N O O O CM) O O O O O O M Ql Ol 61 Ol Cal 61 C31 Ol CT CS 6l 61 Ol CSl CT C31 Ol C ) 61 Ol tT Ol Ol CT CO M (1}) A@ 13 il H d ro ra h Report 6 -jab �D�v� I%% e Project Name: Y 9 p Hydrology Studio v 2.0.0.48 08-21-2017 ►tablehouse E Pre Hyd. No. 16 Hydrograph Type = Rational Peak Flow = 5.566 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,670 cuft Drainage Area = 3.24 ac Runoff Coeff. = 0.23* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.14 0.95 Asphalt 3.1 0.20 Grass 3.24 0.23 Weighted Average 5 4 V 3 CY ON 0 Qp = 5.57 cfs c s 4 5 6 Time (min) 7 8 9 10 16 Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Aablehouse E Post Hyd. No. 19 Hydrograph Type = Rational Peak Flow = 5.160 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,548 cuft Drainage Area = 3.14 ac Runoff Coeff. = 0.22* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.1 0.95 Asphalt 3.04 0.20 Grass 3.14 0.22 Weighted Average R 5 4 Qp = 5.16 ds 2 1 1 2 3 4 5 6 7 8 9 10 Time (min) iq CHydrograph Report aver rso, Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 :overed Arena Pre Hyd. No. 26 Hydrograph Type = Rational Peak Flow = 88.20 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 26,461 cuft Drainage Area = 24.6 ac Runoff Coeff. = 0.48* Tc Method = User Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 9.9 0.90 Asphalt 14.7 0.20 Grass 24.6 0.48 Weighted Average 100 90 80 70 60 U 50 40 30 20 10 0 U QP = 88.20 cfs 7 Z 3 4 5 6 7 8 9 10 Time (min) 10 Hydrograph Report Hydrology Studio v 2.0.0.48 :overed Arena Post Project Name: 08-21-2017 Hyd. No. 27 Hydrograph Type = Rational Peak Flow = 141.5 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 42,447 cuft Drainage Area = 24.6 ac Runoff Coeff. = 0.77* Tc Method = User Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 18.83 0.95 Asphalt 5.77 0.20 Grass 24.6 0.77 Weighted Average 160 150 140 130 120 110 100 90 U 80 70 60 50 40 30 20 10 0 U QP = 141.49 ds 1 Z 3 4 5 6 7 8 9 10 Time (min) Z-1 Hydrograph Report Hydrology Studio v 2.0.0.48 'overed Arena Storag Project Name: 08-21-2017 Hyd. No. 28 Hydrograph Type = Pond Route Peak Flow = 29.62 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 42,438 cuft Inflow Hydrograph = 27 - Covered Arena Post Max. Elevation = 880.43 ft Pond Name = Covered Arena Storage Max. Storage = 31,495 cuft Pond Routing by Storage Indication Method Center of mass detention time = 14 min 160 150 140 130 120 110 100 90 80 CY 70 60 50 40 30 20 10 0 u QP = 29.62 ds lU 20 30 40 50 60 70 Time (min) Req'd Stor Covered Arena Post — Covered Arena Storag Pond Report Hydrology Studio v 2.0.0.48 'overed Arena Storage Project Name: 08-21-2017 Stage -Storage Underground Chambers Description Input Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage (ft) (ft) (sqft) (cuft) (cuft) Invert Elev Down, ft 874.81 0.00 874.81 n/a 0.000 0.000 Chamber Rise, ft 6.00 0.32 875.13 n/a 279 279 Chamber Shape Circular 0.64 875.45 n/a 1,042 1,322 0.96 875.77 n/a 1,533 2,855 Chamber Span, ft 6.00 1.28 876.09 n/a 1,844 4,699 Barrel Length, ft 150.00 1.59 876.40 n/a 2,070 6,769 1.91 876.72 n/a 2,243 9,012 No. Barrels 8 2.23 877.04 n/a 2,372 11,384 Barrel Slope, % 0.25 2.55 877.36 n/a 2,467 13,850 2.87 877.68 n/a 2,522 16,372 Headers, y/n Yes 3.19 878.00 n/a 2,552 18,924 Stone Encasement, y/n No 3.51 878.32 n/a 2,554 21,478 Encasement Bottom Elevation, ft 0.00 3.83 878.64 n/a 2,519 23,997 4.14 878.95 n/a 2,466 26,463 Encasement Width per Chamber, ft 0.00 4.46 879.27 n/a 2,373 28,836 Encasement Depth, ft 0.00 4.78 879.59 n/a 2,242 31,078 5.10 879.91 n/a 2,072 33,149 Encasement Voids, % 40.00 5.42 880.23 n/a 1,839 34,988 5.74 880.55 n/a 1,531 36,520 6.06 880.87 n/a 1,040 37,559 6.37 881.19 n/a 279 37,838 88z 881 880 879 878 LU 877 876 875 874 U Stage -Storage .5000 10000 15000 20000 25000 30000 35000 Total Storage (cuft) - UG Chambers Top of Pond 7 6 5 4 CUCU LO 3 2 1 0 2.3 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 :overed Arena Storage Stage -Discharge Culvert / Orifices Culvert Orifices Perforated Riser 1 2 3 Rise, in 24 Perf. Rise, in Span, in 24 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 874.82 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert. Stage -Discharge 881- 6 880- 5 879- -4 a'� 878 LL, 3 � 877- 2 876- 1 875- 0 2 4 6 8 .0 10 12 14 16 18 20 22 24 26 28 30 32 34 36 Discharge (cfs) — Top of Pond — Orifice Total Q Pond Report Hydrology Studio v 2.0.0.48 :overed Arena Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage 9 (ft) Elev. (ft) Storage 9 (cuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 874.81 0.000 0.00 0.00 0.32 875.13 279 0.586 0.586 0.64 875.45 1,322 2.282 2.282 0.96 875.77 2,855 4.849 4.849 1.28 876.09 4,699 8.024 8.024 1.59 876.40 6,769 11.43 1143 1.91 876.72 9,012 14.49 14.49 2.23 877.04 11,384 16.71 16.71 2.55 877.36 13,850 18.77 18.77 2.87 877.68 16,372 20.62 20.62 3.19 878.00 18,924 22.32 22.32 3.51 878.32 21,478 23.90 23.90 3.83 878.64 23,997 25.38 25.38 4.14 878.95 26,463 26.77 26.77 4.46 879.27 28,836 28.10 28.10 4.78 879.59 31,078 29.37 29.37 5.10 879.91 33,149 30.59 30.59 5.42 880.23 34,988 31.76 31.76 5.74 880.55 36,520 32.89 32.89 6.06 880.87 37,559 33.98 33.98 6.37 881.19 37,838 35.03 35.03 oumx Key: is = inlet control, oc = outlet control, s = submerged weir 215 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'overed Arena Storage Pond Drawdown r Stage (ft) Ln m N O C9 N N V N N lV N a) CR e-- CC C LL 1� I L N H 0 C 0] CO L 0 r\, U N C N Q L -"?L Q) O 0 U 0 0 E N O C � vi O N � t6 Ln 00 00 r—Lr) 00 r- 00 0 co 00 00 00 (;f)�aI3 00 00 00 2(0 WHydrograph Report vill4qt Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'illage W Pre Hyd. No. 9 Hydrograph Type = Rational Peak Flow = 34.49 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 10,346 cuft Drainage Area = 15.92 ac Runoff Coeff. = 0.29* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 1.97 0.95 asphalt 13.95 0.20 grass 15.92 0.29 Weighted Average 38 36 34 32 30 28 26 24 22 20 CY 18 16 14 12 10 8 6 4 2 0 V QP = 34.49 ds I z 3 4 5 6 7 8 9 10 Time (min) 27 Hydrograph Report Hydrology Studio v 2.0.0.48 Mage W Post Project Name: 08-21-2017 Hyd. No. 10 Hydrograph Type = Rational Peak Flow = 51.04 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 15,313 cuft Drainage Area = 16.27 ac Runoff Coeff. = 0.42* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 3.59 0.95 Asphalt 0.81 0.95 Concrete 0.37 0.90 Bldg Roof 11.5 0.20 Grass 16.27 0.42 Weighted Average 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 Cy 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 QP = 51.04 ds j 4 5 6 7 8 9 10 Time (min) 216 Hydrograph Report Hydrology Studio v 2.0.0.48 Mage W Storage Project Name: 08-21-2017 Hyd. No. 11 Hydrograph Type = Pond Route Peak Flow = 11.33 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 15,147 cuft Inflow Hydrograph = 10 -Village W Post Max. Elevation = 896.58 ft Pond Name = Village West Storage Max. Storage = 11,284 cuft Pond Routing by Storage Indication Method Center of mass detention time = 14 min 58 56 54 52 50 48 46 44 42 40 38 36 34 32 30 p 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 QP = 11.33 cfs IV zu sU 4U 50 60 70 80 90 100 110 Time (min) - Req'd Stor - Village W Post — Village W Storage Zi Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'illage West Storage Stage -Storage Underground Chambers Stage Description Input Invert Elev Down, ft 893.60 Chamber Rise, ft 4.00 Chamber Shape Circular Chamber Span, ft 4.00 Barrel Length, ft 150.00 No. Barrels 8 Barrel Slope, % 0.00 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 M. 897 896 a� UJ 895 894 Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage IN (ft) (sqft) (tuft) (cuft) 0.00 893.60 n/a 0.000 0.000 0.20 893.80 n/a 304 304 0.40 894.00 n/a 543 847 0.60 894.20 n/a 681 1,528 0.80 894.40 n/a 785 2,313 1.00 894.60 n/a 864 3,177 1.20 894.80 n/a 922 4,099 1.40 895.00 n/a 970 5,069 1.60 895.20 n/a 997 6,066 1.80 895.40 n/a 1,025 7,091 2.00 895.60 n/a 1,030 8,121 2.20 895.80 n/a 1,030 9,152 2.40 896.00 n/a 1,025 10,177 2.60 896.20 n/a 997 11,174 2.80 896.40 n/a 969 12,143 3.00 896.60 n/a 922 13,065 3.20 896.80 n/a 863 13,928 3.40 897.00 n/a 785 14,713 3.60 897.20 n/a 682 15,395 3.80 897.40 n/a 541 15,936 4.00 897.60 n/a 303 16,239 Stage -Storage zuuu 4000 6000 8000 10000 12000 14000 16000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 2 co M 1 0 30 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'illage West Storage Stage -Discharge 'Routes through Culvert 897 896 v LU 895 894 Stage -Discharge 4 3 Ln m 2M 8 1 , I _,----'�-- 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q -6l Orifices Culvert / Orifices culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 893.7 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Circular Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert 897 896 v LU 895 894 Stage -Discharge 4 3 Ln m 2M 8 1 , I _,----'�-- 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q -6l Pond Report Hydrology Studio v 2.0.0.48 Mage West Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cult) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 893.60 0.000 0.00 0.00 0.20 893.80 304 0.055 0.055 0.40 894.00 847 0.471 0.471 0.60 894.20 1,528 1.243 1.243 0.80 894.40 2,313 2.306 2.306 1.00 894.60 3,177 3.580 3.580 1.20 894.80 4,099 4.964 4.964 1.40 895.00 5,069 6.319 6.319 1.60 895.20 6,066 7.369 7.369 1.80 895.40 7,091 8.292 8.292 2.00 895.60 8,121 9.123 9.123 2.20 895.80 9,152 9.885 9.885 2.40 896.00 10,177 10.59 10.59 2.60 896.20 11,174 11.25 11.25 2.80 896.40 12,143 11.88 11.88 3.00 896.60 13,065 12.47 12.47 3.20 896.80 13,928 13.04 13.04 3.40 897.00 14,713 13.59 13.59 3.60 897.20 15,395 14.11 14.11 3.80 897.40 15,936 14.61 14.61 4.00 897.60 16,239 15.10 15.10 - ,.,,,, - - 4 wnu - Weil 32- Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'illage West Storage Pond Drawdown n Nrn N N Stage (ft) N N 00 uJ Ln LLE 1� Q C 0 `0 J (n a) M a) 0) \J� N E F- C 0 vi 00 00 O CO00 C M M CO 0) Ln 00 00 (()J) A@ 13 1 Hydrograph Report villq, E4fJ Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 911age E Pre North Hyd. No. 1 Hydrograph Type = Rational Peak Flow = 12.83 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 3,850 cuft Drainage Area = 7.47 ac Runoff Coeff. = 0.23* Tc Method = TR55 Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 0.53 0.40 acre lot 1.94 0.25 Grass 5.0 0.20 woods 7.47 0.23 Weighted Average 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 QP = 12.83 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) 34 Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 Pillage E post north 08-21-2017 Hyd. No. 2 Hydrograph Type Storm Frequency Time Interval Drainage Area Tc Method OF Curve Freq. Corr. Factor = Rational = 10 -yr = 5 min = 5.34 ac = TR55 = TRYON.idf = 1.00 Peak Flow Time to Peak Runoff Volume Runoff Coeff. Time of Conc. (Tc) Intensity Asc/Rec Limb Factors = 33.90 cfs = 0.08 hrs = 10,171 cuft = 0.85 = 5.0 min = 7.4697 in/hr = 1/1 QP = 33.90 ds 83634 38- 36- 34 32- 23028262422 30- 28- 26- 24- 221 -z� 20- C' 18- 816141210 16- 14- 12- 10 8 6- 4- 420 2- 0 1 2 3 4 5 6 7 8 9 10 Time (min) -65 Hydrograph Report Hydrology Studio v 2.0.0.48 Pillage E storage N Project Name: 08-21-2017 Hyd. No. 4 Hydrograph Type = Pond Route Peak Flow = 11.76 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 10,165 cuft Inflow Hydrograph = 2 - Village E post north Max. Elevation = 955.00 ft Pond Name = North Pond Max. Storage = 5,637 cuft Pond Routing by storage Indication Method Center of mass detention time = 7 min 38 36 34 32 30 28 26 24 iO 20 C' 18 1 12 10 8 11 QP = 11.76 cfs MIJ 10 20 30 40 Time (min) Req'd Stor - Village E post north — Village E storage N 3� Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 forth Pond Stage -Storage Underground Chambers Stage Description Input Invert Elev Down, ft 951.58 Chamber Rise, ft 4.00 Chamber Shape Circular Chamber Span, ft 4.00 Barrel Length, ft 100.00 No. Barrels 6 Barrel Slope, % 0.25 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 956 955 954 a, UJ 953 952 951 0 Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage (ft) (ft) (sgft) (cuft) (cuft) 0.00 951.58 n/a 0.000 0.000 0.21 951.79 n/a 62.0 62.0 0.43 952.01 n/a 231 293 0.64 952.22 n/a 340 633 0.85 952.43 n/a 409 1,043 1.06 952.64 n/a 459 1,502 1.28 952.86 n/a 498 2,000 1.49 953.07 n/a 526 2,526 1.70 953.28 n/a 547 3,073 1.91 953.49 n/a 560 3,633 2.13 953.71 n/a 566 4,199 2.34 953.92 n/a 567 4,766 2.55 954.13 n/a 559 5,325 2.76 954.34 n/a 547 5,872 2.98 954.56 n/a 527 6,398 3.19 954.77 n/a 497 6,896 3.40 954.98 n/a 460 7,356 3.61 955.19 n/a 408 7,764 3.83 955.41 n/a 340 8,103 4.04 955.62 n/a 231 8,334 4.25 955.83 n/a 61.8 8,396 Stage -Storage 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 2 Ln r+ I lil 37 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 lorth Pond Stage -Discharge 955 $ 954 v LU 953 952 3 Ln 03 0. LQ 2 1 I i I r -I F —ter 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q Orifices Culvert / Orifices culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 951.59 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert. Stage -Discharge 955 $ 954 v LU 953 952 3 Ln 03 0. LQ 2 1 I i I r -I F —ter 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q Pond Report Hydrology Studio v 2.0.0.48 Vorth Pond Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (tuft) Culvert (cfs) Orifices, cfs Riser cfs (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 951.58 0.000 0.00 0.00 0.21 951.79 62.0 0220 0.220 0.43 952.01 293 0.876 0.876 0.64 952.22 633 1.892 1.892 0.85 952.43 1,043 3.180 3.180 1.06 952.64 1,502 4 631 4.631 1.28 952.86 2,000 6.090 6.090 1.49 953.07 2,526 7.291 7.291 1.70 953.28 3,073 8.249 8.249 1.91 953.49 3,633 9.133 9.133 2.13 953.71 4,199 9.940 9.940 2.34 953.92 4,766 10.69 10.69 2.55 954.13 5,325 11.38 11.38 2.76 954.34 5,872 12.04 12.04 2.98 954.56 6,398 12.66 12.66 3.19 954.77 6,896 13.26 13.26 3.40 954.98 7,356 13.82 13.82 3.61 955.19 7,764 14.37 14.37 3.83 955.41 8,103 14.89 14.89 4.04 955.62 8,334 15.40 15.40 4.25 955.83 8,396 15.89 15.89 aumx Key: is = infer control, oc = outlet control, s = submerged weir 39 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 forth Pond Pond Drawdown Stage (ft) C 0 rn O CR 0 N ECD o _ N ❑ o =_ E i 7 C C O o OL 0 L O Z O M O N O N E F- O C vi O N Ln Ln Ln Ln M Ln N (3}) A@13 Vi E Ila�v Project Name: Hydrograph Report qe, S Hydrology Studio v 2.0.0.48 08-21-2017 tillage E Pre South Hyd. No. 8 Hydrograph Type = Rational Peak Flow = 15.31 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 4,594 cuft Drainage Area = 10.25 ac Runoff Coeff. = 0.2* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 10.25 0.20 grass 10.25 0.20 Weighted Average 17 16 15 14 13 12 11 10 9 V 8 7 6 5 4 3 2 1 0 0 QP = 15.31 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 pillage E post south Project Name: 08-21-2017 Hyd. No. 3 Hydrograph Type = Rational Peak Flow = 33.71 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 10,114 cuft Drainage Area = 5.31 ac Runoff Coeff. = 0.85 Tc Method = TR55 Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 38 36 34 32 30 28 26 24 22 20 CY 18 16 14 12 10 8 6 4 2 0 U QP = 33.71 cfs Z 3 4 5 6 7 8 9 10 Time (min) 42 Hydrograph Report Hydrology Studio v 2.0.0.48 Pillage E Storage S Project Name: 08-21-2017 Hyd. No. 5 Hydrograph Type = Pond Route Peak Flow = 11.38 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 10,088 cuft Inflow Hydrograph = 3 - Village E post south Max. Elevation = 950.95 ft Pond Name = South pond Max. Storage = 6,052 cuft Pond Routing by Storage Indication Method Center of mass detention time = 9 min 38 36 34 32 30 28 26 24 22 20 u CY 18 16 14 12 10 8 6 4 2 0 0 QP = 11.38 cfs 10 20 30 40 50 60 70 Time (min) Req'd Stor Village E post south — Village E Storage S 4 3 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'outh pond Stage -Storage Underground Chambers Stage Description Input Invert Elev Down, ft 947.46 Chamber Rise, ft 4.00 Chamber Shape Arch Chamber Span, ft 4.00 Barrel Length, ft 100.00 No. Barrels 6 Barrel Slope, % 0.25 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 952 951 950 Y V- i W 949 948 947 U Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage (ft) (ft) (sqft) (cuft) (cuft) 0.00 947.46 n/a 0.000 0.000 0.21 947.67 n/a 254 254 0.43 947.89 n/a 547 801 0.64 948.10 n/a 565 1,366 0.85 948.31 n/a 561 1,927 1.06 948.52 n/a 555 2,482 1.28 948.74 n/a 548 3,030 1.49 948.95 n/a 539 3,569 1.70 949.16 n/a 528 4,097 1.91 949.37 n/a 515 4,612 2.13 949.59 n/a 500 5,112 2.34 949.80 n/a 483 5,594 2.55 950.01 n/a 462 6,057 2.76 950.22 n/a 439 6,496 2.98 950.44 n/a 413 6,909 3.19 950.65 n/a 382 7,291 3.40 950.86 n/a 346 7,637 3.61 951.07 n/a 302 7,939 3.83 951.29 n/a 247 8,186 4.04 951.50 n/a 166 8,352 4.25 951.71 n/a 44.0 8,396 Stage -Storage 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 Ln a) 2 r -F lil 0 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'outh pond Stage -Discharge 951 950 Y i LL 949 948 4 1 I I I I -r --- - - 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 45 Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise, in 18 Perf. Rise, in Span, in 18 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation, ft 947.47 Invert Elevation, ft Orifice Coefficient, Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser* Ancillary 1 2 3 Shape / Type Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw 'Routes through Culvert. Stage -Discharge 951 950 Y i LL 949 948 4 1 I I I I -r --- - - 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Discharge (cfs) — Top of Pond — Orifice Total Q 45 Pond Report Hydrology Studio v 2.0.0.48 South pond Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cuft) Culvert (cfs) Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 947.46 0.000 0.00 0.00 0.21 947.67 254 0.220 0.220 0.43 947.89 801 0.876 0.876 0.64 948.10 1,366 1.892 1.892 0.85 948.31 1,927 3.180 3.180 1.06 948.52 2,482 4.631 4.631 1.28 948.74 3,030 6.090 6.090 1 49 948.95 3,569 7.291 7.291 1.70 949.16 4,097 8.249 8.249 1.91 949.37 4,612 9.134 9.134 2.13 949.59 5,112 9.940 9.940 2.34 949.80 5,594 10.69 10.69 2.55 950.01 6,057 11.38 11.38 2.76 950.22 6,496 12.04 12.04 2.98 950.44 6,909 12.66 12.66 3.19 950.65 7,291 13.26 13.26 3.40 950.86 7,637 13.82 13.82 3.61 951.07 7,939 14.37 14.37 3.83 951.29 8,186 14.89 14.89 4.04 951.50 8,352 15.40 15.40 4.25 951.71 8,396 15.89 15.89 autnx Key. is = inlet control, oc = outlet control, s = submerged weir 0 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 south pond Pond Drawdown Stage (ft) Ln M r M c� c F - (a = N E 1 C O o Q 'O vJ N E C 12 0 N O al r, CDru Ln Ln Ln j a p FA�I c Hydrograph Report V, a c S Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Village EPost Middle Hyd. No. 6 Hydrograph Type Storm Frequency Time Interval Drainage Area Tc Method IDF Curve Freq. Corr. Factor = Rational = 10 -yr = 5 min = 4.18 ac = User = TRYON.idf = 1.00 Peak Flow Time to Peak Runoff Volume Runoff Coeff. Time of Conc. (Tc) Intensity Asc/Rec Limb Factors = 26.54 cfs = 0.08 hrs = 7,962 cuft = 0.85 = 5.0 min = 7.4697 in/hr = 1/1 Qp = 26.54 ds 30- 29 28 27 26 25 24 23 22 21 20 19 18 17 N16 �15 a14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Project Name: Hydrology Studio v 2.0.0.48 AllageE Storage Mld 08-21-2017 Hyd. No. 7 Hydrograph Type Storm Frequency Time Interval Inflow Hydrograph Pond Name = Pond Route = 10 -yr = 5 min = 6 - Village EPost Middle = Middle Pond Peak Flow Time to Peak Hydrograph Volume Max. Elevation Max. Storage = 5.652 cfs = 0.17 hrs = 7,955 cuft = 951.49 ft = 5,826 cuft Pond Routing by Storage Indication Method Center of mass detention time = 13 min Qp = 5.65 ds 30- 29 82726 28- 27- 26 25- 524232221201918 24- 23- 22- 21- 20- 19- 18 17- 7.-,161413121110987654 -16- 14- 13- 12- 11- 10- 9- 8- 7- 6- 5- 4 3 2 1 0 10 20 30 40 50 60 Time (min) Req'd Stor --- Village Post Middle — VillageE Storage Mid Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 Siddle Pond Stage -Storage Underground Chambers Stage Description Input Invert Elev Down, ft 948.40 Chamber Rise, ft 4.00 Chamber Shape Circular Chamber Span, ft 4.00 Barrel Length, ft 100.00 No. Barrels 6 Barrel Slope, % 0.25 Headers, y/n Yes Stone Encasement, y/n No Encasement Bottom Elevation, ft 0.00 Encasement Width per Chamber, ft 0.00 Encasement Depth, ft 0.00 Encasement Voids, % 40.00 953 952 951 a� UJ 950 949 Stage / Storage Table Stage Elevation Contour Area Incr. Storage Total Storage (ft) (ft) (sgft) (cuft) (cuft) 0.00 948.40 n/a 0.000 0.000 0.21 948.61 n/a 62.0 62.0 0.43 948.83 n/a 231 293 0.64 949.04 n/a 340 633 0.85 949.25 n/a 409 1,043 1.06 949.46 n/a 459 1,502 1.28 949.68 n/a 498 2,000 1.49 949.89 n/a 526 2,526 1.70 950.10 n/a 547 3,073 1.91 950.31 n/a 560 3,633 2.13 950.53 n/a 566 4,199 2.34 950.74 n/a 567 4,766 2.55 950.95 n/a 559 5,325 2.76 951.16 n/a 547 5,872 2.98 951.38 n/a 527 6,398 3.19 951.59 n/a 497 6,896 3.40 951.80 n/a 460 7,356 3.61 952.01 n/a 408 7,764 3.83 952.23 n/a 340 8,103 4.04 952.44 n/a 231 8,334 4.25 952.65 n/a 61.8 8,396 Stage -Storage 1000 2000 3000 4000 5000 6000 7000 8000 Total Storage (cuft) - UG Chambers Top of Pond 4 3 LA a) La 2 1 0 150 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 fiddle Pond Stage -Discharge 952 951 a, LU 950 949 z 3 4 5 Discharge (cfs) — Top of Pond — Orifice Total Q 6 7 3 LA Q3 2 1 t0 8 51 Orifices Culvert / Orifices Culvert Perforated Riser 1 2 3 Rise, in 12 Perf. Rise, in Span, in 12 Perf. Span, in No. Barrels 1 No. Perforations Invert Elevation; ft 948.41 Invert Elevation, ft Orifice Coefficient; Co .6 Height, ft Length, ft Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.000 Weirs Weirs Riser Ancillary 1 2 3 Shape / Type Circular Rectangular Exfiltration, in/hr Crest Elevation, ft Tailwater Elevation, ft Crest Length, ft Angle, deg Weir Coefficient, Cw Routes through Culvert. Stage -Discharge 952 951 a, LU 950 949 z 3 4 5 Discharge (cfs) — Top of Pond — Orifice Total Q 6 7 3 LA Q3 2 1 t0 8 51 Pond Report Hydrology Studio v 2.0.0.48 diddle Pond Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (cuft) Fulvert Orifices, cfs Riser (cfs) Weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 948.40 0.000 0.00 0.00 0.21 948.61 62.0 0.175 0.175 0.43 948.83 293 0.677 0.677 0.64 949.04 633 1.401 1.401 0.85 949.25 1,043 2.199 2.199 1.06 949.46 1,502 2.811 2.811 1.28 949.68 2,000 3.307 3.307 1.49 949.89 2,526 3.738 3.738 1.70 950.10 3,073 4.125 4.125 1.91 950.31 3,633 4.478 4.478 2.13 950.53 4,199 4.805 4.805 2.34 950.74 4,766 5.112 5.112 2.55 950.95 5,325 5.401 5.401 2.76 951.16 5,872 5.675 5.675 2.98 951.38 6,398 5.937 5.937 3.19 951.59 6,896 6.187 6.187 3.40 951.80 7,356 6.428 6.428 3.61 952.01 7,764 6.660 6.660 3.83 952.23 8,103 6.885 6.885 4.04 952.44 8,334 7.102 7.102 4.25 952.65 8,396 7.313 7.313 aumx Key: is = inlet control, oc = outlet control, s = submerged weir �2 Pond Report Project Name: Hydrology Studio v 2.0.0.48 Middle Pond 08-21-2017 Pond Drawdown Stage (ft) 00 r- Ln U, v m N (D C O C) i C _ c,o E O F— C: (6 p ^o O _a) 7 O Uf O O m 0 N O E H O vi N O 0) _ M 00 Ln L Ln V N (11) ^a13 53 Hydrograph Report Hydrology Studio v 2.0.0.48 )alamander N Pre SO - /& ^ A k 416" N Project Name: 08-21-2017 Hyd. No. 12 Hydrograph Type = Rational Peak Flow = 13.21 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 3,962 cuft Drainage Area = 8.84 ac Runoff Coeff. = 0.2* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 8.84 0.20 Grass 8.84 0.20 Weighted Average 15 14 13 12 11 10 9 8 0 7 6 5 4 3 2 1 0 u Qp = 13.21 ds i 2 3 4 5 6 7 8 9 10 Time (min) Hydrograph Report Hydrology Studio v 2.0.0.48 I alamander N Post Project Name: 08-21-2017 Hyd. No. 13 Hydrograph Type = Rational Peak Flow = 42.72 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 12,815 cuft Drainage Area = 10.79 ac Runoff Coeff. = 0.53* TC Method = User Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA(ac) C DESCRIPTION 3.96 0.95 Asphalt 0.84 0.90 Building Roof 5.99 0.20 Grass 10.79 0.53 Weighted Average 48 46 44 42 40 38 36 34 32 30 28 26 24 CY 22 20 18 16 14 12 10 8 6 4 2 0 U QP = 42.72 cfs 1 2 3 4 5 6 7 8 9 10 Time (min) j5rD Hydrograph Report Hydrology Studio v 2.0.0.48 Ialamander N Storage Project Name: 08-21-2017 Hyd. No. 20 Hydrograph Type = Pond Route Peak Flow = 5.742 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 12,807 cuft Inflow Hydrograph = 13 - Salamander N Post Max. Elevation = 871.99 ft Pond Name = Salamander N Storage Max. Storage = 10,672 cuft Pond Routing by Storage Indication Method Center of mass detention time = 22 min 48 46 44 42 40 38 36 34 32 30 28 26 �. 24 22 20 18 16 14 12 10 8 6 4 2 0 U Qp = 5.74 ds I zu JU 4U bu 60 70 80 90 100 110 120 130 140 150 160 170 180 Time (min) - Req'd Stor Salamander N Post — Salamander N Storage rDcc Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 ►alamander N Storage Stage -Storage 873 872 User Defined Contours Description Input Bottom Elevation, ft 869.00 Stage / Storage Table Stage (ft) Elevation (ft) Contour Area (sgft) Incr. Storage (cuft) Total Storage (cuft) 0.00 1.00 869.00 870.00 2,292 3,280 0.000 2,771 0.000 2,771 Voids (%) 100.00 Volume Calc Conic 2.00 871.00 4,362 3,807 6,578 3.00 872.00 5,703 5,017 11,595 4.00 873.00 7,011 6,345 17,940 Stage -Storage 4 3 870 2000 4000 I 0 6000 8000 10000 12000 14000 16000 18000 Total Storage (cuft) — Contours Top of Pond F)r7 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 N alamander N Storage Stage -Discharge Orifices Culvert / Orifices culvert Orifice Plate 1 2 3 Rise, in 24 12 Orifice Rise, in Span, in 24 12 Orifice Span, in No. Barrels 1 1 No. Orifices Invert Elevation, ft 859.5 869.01 Invert Elevation, ft Orifice Coefficient, Co .6 .6 Height, ft Length, ft 50 Orifice Coefficient, Co Barrel Slope, % 1 N -Value, n 0.013 Weirs Weirs Riser* Ancillary 1* 2 3 Shape / Type Box Rectangular Exfiltration, in/hr Crest Elevation, ft 873 872 Tailwater Elevation, ft Crest Length, ft 12 10 Angle, deg Weir Coefficient, Cw 3.3 3.3 'Routes through Culvert. Stage -Discharge 873 4 872 3 $ LA ID 871 2LO 870 1 869 T t _ _ _. ---�--. r— 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Discharge (cfs) — Top of Pond Culvert --Orifice Total Q Pond Report Hydrology Studio v 2.0.0.48 'alamander N Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) StorageFCulvert (tuft) Orifices, cfs Riser (cfs) Weirs, cfs pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 1 2 3 0.00 869.00 0.000 0.00 0.00 0.00 0.00 0.00 1.00 870.00 2,771 44.10 is 2.656 0.00 0.00 2.656 2.00 871.00 6,578 44.10 is 4.616 0.00 0.00 4.616 3.00 872.00 11,595 44.10 is 5.967 0.00 0.00 5.967 4.00 873.00 17,940 44.10 is 7.064 0.00 0.00 7.064 ounix key. is = mier control, oc = outlet control, s = submerged weir 54 Pond Report Project Name: Hydrology Studio v 2.0.0.48 ',alamander N Storage 08-21-2017 Pond Drawdown Stage (ft) N M V Vl n lfl to C i L � Q 1 H a C 0 Q L M COO Z L- a) a) M E N _M `CU v) N E C vi N O 0) (p n N W Co 00 00 00 (11) AD 13 31; Hydrograph Report J&de Ys' Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'alamander S Pre Hyd. No. 23 Hydrograph Type = Rational Peak Flow = 5.920 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 1,776 cuft Drainage Area = 3.17 ac Runoff Coeff. = 0.25* Tc Method = User Time of Conc. (Tc) = 5.0 min IDF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 3.17 0.25 Woods 3.17 0.25 Weighted Average Qp = 5.92 ds 6 5 4 =3 f: 1 3 4 5 6 7 8 9 10 Time (min) U I Hydrograph Report Hydrology Studio v 2.0.0.48 N alamander S Post Project Name: 08-21-2017 Hyd. No. 24 Hydrograph Type = Rational Peak Flow = 25.77 cfs Storm Frequency = 10 -yr Time to Peak = 0.08 hrs Time Interval = 5 min Runoff Volume = 7,732 cuft Drainage Area = 6.39 ac Runoff Coeff. = 0.54* Tc Method = User Time of Conc. (Tc) = 5.0 min OF Curve = TRYON.idf Intensity = 7.4697 in/hr Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 Composite C Worksheet AREA (ac) C DESCRIPTION 1.22 0.95 Asphalt 1.76 0.90 Building Roof 3.41 0.20 Grass 6.39 0.54 Weighted Average 28 26 24 22 20 18 16 Cy 14 12 10 8 6 4 2 0 QP = 25.77 ds Z :5 4 5 6 7 8 9 10 Time (min) (42, Hydrograph Report Hydrology Studio v 2.0.0.48 Aamander S Storage Project Name: 08-21-2017 Hyd. No. 25 Hydrograph Type = Pond Route Peak Flow = 0.078 cfs Storm Frequency = 10 -yr Time to Peak = 0.17 hrs Time Interval = 5 min Hydrograph Volume = 7,637 cuft Inflow Hydrograph = 24 - Salamander S Post Max. Elevation = 906.65 ft Pond Name = Salamander S Storage Max. Storage = 7,706 cuft Pond Routing by Storage Indication Method Center of mass detention time = 22.11 hrs 28 26 24 22 20 18 16 014 12 10 8 6 4 2 QP = 0.08 cfs v c 4 o 0 IU I 14 lb 16 ZU 22 24 26 28 30 32 34 36 38 40 42 44 46 Time (hrs) Salamander S Post — Salamander S Storage (�3 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 'alamander S Storage Stage -Storage •1• F a> 908 w User Defined Contours Description Input Bottom Elevation, ft 906.00 Stage / Storage Table Stage (ft) Elevation (ft) Contour Area (sqft) Incr. Storage (tuft) 0.00 1.00 906.00 907.00 9,709 14,201 0.000 11,883 Voids (%) 100.00 Volume Calc Conic 2.00 908.00 15,855 15,019 3.00 909.00 17,598 16,717 4.00 910.00 19,500 18,539 Stage -Storage Total Storage (cuft) 0.000 11,883 26,901 43,619 62,158 luuuu 20000 30000 40000 50000 Total Storage (cuft) — Contours Top of Pond 4 3 Ln h 2 M Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 salamander S Storage Stage -Discharge Culvert / Orifices Culvert Orifices Orifice Plate 1* 2 3 Rise, in 36 2 Orifice Rise, in Span, in 36 2 Orifice Span, in No. Barrels 1 1 No. Orifices Invert Elevation, ft 901 906.01 Invert Elevation, ft Orifice Coefficient, Co .6 .6 Height, ft Length, ft 78 Orifice Coefficient, Co Barrel Slope, % N -Value, n 0.013 Weirs Riser* Weirs Ancillary 1* 2 3 Shape / Type Box Rectangular Exfiltration, in/hr Crest Elevation, ft 909 908 Tailwater Elevation, ft Crest Length, ft 4 8 Angle, deg Weir Coefficient, Cw 3.3 3.3 'Routes through Culvert. Stage -Discharge 910 1 Y 4 �Zilr] F a', 908 L' 907 906 3 v 2 rrD 1 fa...,-.. .. _.1. . - . - I ____ 0 1-7 0 2 4 6 8 10 Discharge (cfs) — Top of Pond Culvert—Riser—Orifice --. Rectangular Total Q u5 Pond Report Hydrology Studio v 2.0.0.48 'alamander S Storage Project Name: 08-21-2017 Stage -Storage -Discharge Summary Stage (ft) Elev. (ft) Storage (tuft) Culvert (cfs) Orifices, cfs Riser (cfs) weirs, cfs Pf Riser (cfs) Exfil (cfs) User (cfs) Total (cfs) 1 2 3 � 2 3 0.00 906.00 0.000 0.00 0.00 0.00 0.00 0.00 1.00 907.00 11,883 55.88 oc 0.100 0.00 0.00 0.100 2.00 908.00 26,901 55.88 oc 0.145 0.00 0.00 0.145 3.00 909.00 43,619 55.88 oc 0.179 0.00 26.40 26.58 4.00 910.00 62,158 79.91 oc 0.145 5.377 is 74.39s 79.91 Pond Report Project Name: Hydrology Studio v 2.0.0.48 08-21-2017 )alamander S Storage Pond Drawdown c07 Stage (ft) Ln m m m N m O Ln O O m O N O O O Q) E O � L L C COO = I � CO 0 CO O 1.0rn V! L O Ln CO E CO CO CO CO O m O N 4J E I- C vi M pOj O O p N 0) +M In (:4) ^a13 c07