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Home My WebLink AboutSW3230301_Calculations_20230309v�1VCHIM&crzEED Kerns Ridge MC # 08433-0001 CALCULATIONS FOR: Stormwater and Erosion Control Measures %X04+,0JI,if DATE: 09119122 ��' N CA Ro '�,, iESS1 �rjr REV. N/A 50577 8020 TOWER POINT DRIVE. CHARLOTTE, NORTH CAROLINA 28227 TEL 704.841.2588 F-1222 www.mckimcreed.com TABLE OF CONTENTS DESCRIPTION PAGE Cover 1 Table of Contents 2 Introduction 3 Drainage Areas and Curve Numbers 3 Sediment Basins 4 Temporary Diversion Ditches 11 Riprap Aprons 12 10-Year Storm Pipe Calculations 13 Wet Pond #1 16 Wet Pond #2 68 'ROJECT NO., • 08433-0001 BY: ics 4�,MqKIM&CIREED DATE: 911912022 T.M.: ics DEVISED: NIA P.M.: Jcs SUMMARIES, DRAINAGE AREAS & CURVE NUMBERS INTRODUCTION: PROJECT SUMMARY Kerns Ridge is a proposed residential development located in East Spencer, Rowan County, North Carolina. The site is approximately 73 acres and consists of 126 single-family lots. The site will have 2 entrances along Bringle Ferry road. The site is currently vacant and wooded. A 100-year floodplain is located on the southern portion of the site along Crane Creek. STORMWATER TREATMENT SUMMARY Stormwater runoff will be conveyed through a system of curb and gutter, and storm sewers to two permanent stormwater control measures (SCM). Both SCMs will be wet ponds that will be used to treat runoff from the development. The SCMs are designed to provide water quality treatment in accordance with the NCDEQ Stormwater Design Manual. DRAINAGE AREAS: Wet Pond #1IlPost-developed Drainage Area= 1 9.57 jacres 1 0.015 Isq. miles Wet Pond #2IlPost-developed Drainage Area= 28.95 acres 0.045 s g. miles POST -DEVELOPED CURVE NUMBERS: Post -developed CN Wet Pond #1 Cover Type Area (ft) % SOIL GROUP CN Wtd. CN Streets/buildings 165060 39.60 B 98 38.80 Wet Pond Water Surface 14764 3.54 B 98 3.47 Open Space (>75%grass) 199905 47.95 B 61 29.25 Open Space (>75% grass) 37140 8.91 C 74 6.59 Total 416869 100.00 78.12 Com osite CN 78.12 Use CN = 78 Post -developed CN Wet Pond #2 Cover Type Area ftZ % SOIL GROUP CN Wtd. CN Streets/buildings 542520 43.02 B 98 42.16 Wet Pond Water Surface 39518 3.13 B 98 3.07 Open Space (>75%grass) 502089 39.81 B 61 24.29 Open Space (>75% grass) 176935 14.03 C 74 10.38 Total 1261062 100.00 79.90 Composite CN 79.90 Use CN = 80 3 •70'8433-0001 PROJECT NO BY: JCBIZEED DATE: 09/19/22 T.M.: JCB REVISED: N/A P.M.: JCB RISER SEDIMENT BASIN CALCULATIONS RISER TYPE SEDIMENT BASIN WITH SKIMMER 91 DRAINAGE AREAS/REQUIRED STORAGE IF DESIGN CRITERIA Total drainage area (TDA) 11.68 ac Proposed sediment depth 2.5 ft Disturbed area(DA) 11.68 ac Bottom elevation of basin 708.5 ft (msl) Required sediment storage(1800xDA) 21024 ft3 Flow depth over emer. spillway 0.5 ft BASIN CONFIGURATION Bottom elevation 708.5 ft (msl) Sediment Storage elevation 711 ft (msl) Primary Spillway crest 714.5 ft (msl) Emergency Spillway crest 715.5 ft (msl) Top of Berm 717 ft (msl) BASIN EFFICIENCY Sediment storage required: 21024 ft Sediment storage provided: 25949 OKAY Surface area required: 15925 ft2 Surface area provided: 18565 OKAY PLANNED BASIN SIZE (REFER TO EROSION CONTROL PLAN) Elev. Area (ft) Cumulative Volume (ft) 708.5 8826 0 709 9430 4564 709.5 10054 9435 710 10678 14618 710.5 11331 20120 711 11984 25949 711.5 12665 32111 712 13345 38614 712.5 14792 45648 713 16239 53406 713.5 17005 61716 714 17770 70410 714.5 18565 79494 715 19359 88975 715.5 20181 98860 716 21003 109156 716.5 21854 119870 717 1 22705 1 131010 DESIGN FLOW (Q=CIA) RISER DESIGN Bare soil coefficient'C' = 0.60 2 yr. storm rainfall intensity, '1' = 5.47 in/hr Composite 'C'= 0.60 Computed flow from site, 'Q2' = 38 cfs Area 'A' = 11.68 ac Riser box dimension 48 in 10 yr. storm rainfall intensity, '1' = 7.02 in/hr Depth of flow 1 ft Computed flow from site, 'Qlo' = 49 cfs Flow through riser 49.60 cfs OKAY SPILLWAY DESIGN Spillway design: (L=Q/(C*h Al .5)) C= 2.8 h= 0.50 Spillway length @ flow depth 20 ft OUTLET PIPE DESIGN Outlet pipe diameter 24 in Pipe material: SMOOTH CEMENT Flow through outlet pipe 48.35 cfs Velocity though pipe 15.39 f/s OUTLET PIPE IS OKAY Pipe slope ft/ft 0.005 ft/ft Pipe length(ft) 54 ft Outlet pipe invert in 704.27 Outlet pipe invert out 704.00 CONCRETE ANCHOR SIZE Length of exposed outlet pipe 0 ft Safety factor 1.25 Buoyancy-- 4705 Ibs Anchor width 6 ft Required Volume of Anchor-- 32.4 ft3 Anchor Length 6 ft Actual Volume of Anchor= 45 ft3 Anchor Thickness 1.25 Ift OKAY 4 •70'8433-0001 PROJECT NO BY: JCBIZEED DATE: 09/19/22 T.M.: JCB REVISED: N/A P.M.: JCB RISER SEDIMENT BASIN CALCULATIONS RISER TYPE SEDIMENT BASIN WITH SKIMMER #1 SURFACE AREA/FLOW COMPARISON Formula: A=325*Q I: 7.02 10 year storm A: Minimum Surface Area (acres) measured at the crest of the principal spillway Q(design): 49 CFS A(Required): 15925 sf of surface area at spillway crest Q: Peak inflow rate of 10 year storm in cfs A(Provided): 18565 OKAY SKIMMER ORIFICE DIAMETER (For Faircloth Skimmer) Determining the Skimmer Size Skimmer Sizing Criteria (for 3 day draw down) NCDENR optimal dewatering time is 3 days Skimmer Size s Max. Flow Capacity Orifice Factor Volume to be dewatered over 3 days: 79493.625 ft (in.) Skimmer Size: 5 in 1.5 5184 2880 2 2.5 3 9849 18702 29322 3369 3810 4146 Orifice Diameter Max Drawdown Volume for Skimmer: 98496 fe Orifice Factor: 4926 4 60327 4803 Formulas: 5 98496 4926 Area = Volume/Orifice Factor 16.14 in 6 155520 5442 r = VArealiT 2.27 in 8 293934 5961 Orifice Diameter-- 4.5 in •70'8433-0001 PROJECT NO BY: JCBIZEED DATE: 09/19/22 T.M.: JCB REVISED: N/A P.M.: JCB RISER SEDIMENT BASIN CALCULATIONS KIJtK I TF't JtUIIVItIV I bAJIN VVI I H b UIVIIVItK 7FZ J IAUt 'I DRAINAGE AREAS/REQUIRED STORAGE IF DESIGN CRITERIA Total drainage area (TDA) 26.33 ac Proposed sediment depth 2.5 ft Disturbed area(DA) 26.33 ac Bottom elevation of basin 671.5 ft (msl) Required sediment storage(1800xDA) 47394 ft Flow depth over emer. spillway 0.5 ft BASIN CONFIGURATION Bottom elevation 671.5 ft (msl) Sediment Storage elevation 674 ft (msl) Primary Spillway crest 677 ft (msl) Emergency Spillway crest 678.5 ft (msl) fop of Berm 680 ft (msl) BASIN EFFICIENCY Sediment storage required: 47394 ft3 Sediment storage provided: 77149 OKAY Surface area required: 28925 ft2 Surface area provided: 45185 OKAY PLANNED BASIN SIZE (REFER TO EROSION CONTROL PLAN) Elev. Area (ft) Cumulative Volume (ft) 671.5 27666 0 672 28927 14148 672.5 30201 28930 673 31490 44353 673.5 32793 60424 674 34109 77149 674.5 35440 94537 675 36785 112593 675.5 39518 131669 676 42306 152124 676.5 43752 173639 677 45185 195873 677.5 46662 218835 678 48121 242531 678.5 49628 266968 679 51113 292154 679.5 52652 318095 680 54185 344804 DESIGN FLOW (Q=CIA) RISER DESIGN Bare soil coefficient'C' = 0.60 2 yr. storm rainfall intensity, '1' = 4.38 in/hr Composite 'C'= 0.60 Computed flow from site, 'Q2' = 69 cfs Area 'A' = 26.33 ac Riser box dimension 60 in 10 yr. storm rainfall intensity, '1' = 5.61 in/hr (10 min intensity) Depth of flow 1.5 ft Computed flow from site, 'Qlo' = 89 cfs Flow through riser 113.90 cfs OKAY SPILLWAY DESIGN Spillway design: (L=Q/(C*h Al .5)) C= 2.8 h= 0.50 Spillway length @ flow depth 20 ft OUTLET PIPE DESIGN Outlet pipe diameter 42 in Pipe material: SMOOTH CEMENT Flow through outlet pipe 106.08 cfs Velocity though pipe 11.03 f/s OUTLET PIPE IS OKAY Pipe slope (ft/ft) 0.005 ft/ft Pipe length(ft) 46 ft Outlet pipe invert in 671.50 Outlet pipe invert out 671.27 CONCRETE ANCHOR SIZE Length of exposed outlet pipe 0 ft Safety factor 1.25 Buoyancy-- 6739 Ibs Anchor width 7 ft Required Volume of Anchor= 46.5 ft3 Anchor Length 7 ft Actual Volume of Anchor-- 61.25 ft3 Anchor Thickness 1.25 ft OKAY 11 •70'8433-0001 PROJECT NO BY: JCBIZEED DATE: 09/19/22 T.M.: JCB REVISED: N/A P.M.: JCB RISER SEDIMENT BASIN CALCULATIONS RISER TYPE SEDIMENT BASIN WITH SKIMMER 92 STAGE 1 SURFACE AREA/FLOW COMPARISON Formula: A=325*Q I: 5.61 10 year storm (10 min intensity) A: Minimum Surface Area (acres) measured at the crest of the principal spillway Q(design): 89 CFS A(Required): 28925 sf of surface area at spillway crest Q: Peak inflow rate of 10 year storm in cfs A(Provided): 45185 OKAY SKIMMER ORIFICE DIAMETER (For Faircloth Skimmer) Determining the Skimmer Size Skimmer Sizing Criteria (for 3 day draw down) NCDENR optimal dewatering time is 3 days Skimmer Size Max. Flow Capacity Orifice Factor Volume to be dewatered over 3 days: 195873.39 fe (in.) Skimmer Size: 8 in 1.5 5184 2880 2 2.5 3 9849 18702 29322 3369 3810 4146 Orifice Diameter Max Drawdown Volume for Skimmer: 293934 ft Orifice Factor: 5961 4 60327 4803 Formulas: 5 98496 4926 Area = Volume/Orifice Factor 32.86 in 6 155520 5442 r = VArealiT 3.23 in 8 293934 5961 Orifice Diameter-- 6.5 in •70'8433-0001 PROJECT NO BY: JCBIZEED DATE: 09/19/22 T.M.: JCB REVISED: N/A P.M.: JCB RISER SEDIMENT BASIN CALCULATIONS KIStK I TF't StUIIVItIV I bAJIN VVI I H brUIVIIVItK 7FZ 5 IAUt Z DRAINAGE AREAS/REQUIRED STORAGE IF DESIGN CRITERIA Total drainage area (TDA) 34.05 ac Proposed sediment depth 2.5 ft Disturbed area(DA) 34.05 ac Bottom elevation of basin 671.5 ft msl Required sediment storage(1800xDA) 61290 ft Flow depth over emer. spillway 0.5 ft BASIN CONFIGURATION Bottom elevation 671.5 ft (msl) Sediment Storage elevation 674 ft (msl) Primary Spillway crest 677 ft (msl) Emergency Spillway crest 678.5 ft (msl) fop of Berm 680 ft (msl) BASIN EFFICIENCY Sediment storage required: 61290 ft3 Sediment storage provided: 77149 OKAY Surface area required: 37375 ft2 Surface area provided: 45185 OKAY PLANNED BASIN SIZE (REFER TO EROSION CONTROL PLAN) Elev. Area (ft) Cumulative Volume (ft) 671.5 27666 0 672 28927 14148 672.5 30201 28930 673 31490 44353 673.5 32793 60424 674 34109 77149 674.5 35440 94537 675 36785 112593 675.5 39518 131669 676 42306 152124 676.5 43752 173639 677 45185 195873 677.5 46662 218835 678 48121 242531 678.5 49628 266968 679 51113 292154 679.5 52652 318095 680 54185 344804 DESIGN FLOW (Q=CIA) RISER DESIGN Bare soil coefficient'C' = 0.60 2 yr. storm rainfall intensity, '1' = 4.38 in/hr Composite 'C'= 0.60 Computed flow from site, 'Q2' = 89 cfs Area 'A' = 34.05 ac Riser box dimension 60 in 10 yr. storm rainfall intensity, '1' = 5.61 in/hr (10 min intensity) Depth of flow 1.5 ft Computed flow from site, 'Qlo' = 115 cfs Flow through riser 113.90 cfs OKAY SPILLWAY DESIGN Spillway design: (L=Q/(C*h Al .5)) C= 2.8 h= 0.50 Spillway length @ flow depth 20 ft OUTLET PIPE DESIGN Outlet pipe diameter 42 in Pipe material: SMOOTH CEMENT Flow through outlet pipe 106.08 cfs Velocity though pipe 11.03 f/s OUTLET PIPE IS OKAY Pipe slope (ft/ft) 0.005 ft/ft Pipe length(ft) 46 ft Outlet pipe invert in 671.50 Outlet pipe invert out 671.27 CONCRETE ANCHOR SIZE Length of exposed outlet pipe 0 ft Safety factor 1.25 Buoyancy-- 6739 Ibs Anchor width 7 ft Required Volume of Anchor= 46.5 ft3 Anchor Length 7 ft Actual Volume of Anchor-- 61.25 ft3 Anchor Thickness 1.25 ft OKAY 8 •70'8433-0001 PROJECT NO BY: JCBIZEED DATE: 09/19/22 T.M.: JCB REVISED: N/A P.M.: JCB RISER SEDIMENT BASIN CALCULATIONS RISER TYPE SEDIMENT BASIN WITH SKIMMER 92 STAGE 2 SURFACE AREA/FLOW COMPARISON Formula: A=325*Q I: 5.61 10 year storm (10 min intensity) A: Minimum Surface Area (acres) measured at the crest of the principal spillway Q desi n : 115 CFS A(Required): 37375 sf of surface area at spillway crest Q: Peak inflow rate of 10 year storm in cfs A(Provided): 45185 OKAY SKIMMER ORIFICE DIAMETER (For Faircloth Skimmer) Determining the Skimmer Size Skimmer Sizing Criteria (for 3 day draw down) NCDENR optimal dewatering time is 3 days Skimmer Size Max. Flow Capacity Orifice Factor Volume to be dewatered over 3 days: 195873.39 fe (in.) Skimmer Size: 8 in 1.5 5184 2880 2 2.5 3 9849 18702 29322 3369 3810 4146 Orifice Diameter Max Drawdown Volume for Skimmer: 293934 ft Orifice Factor: 5961 4 60327 4803 Formulas: 5 98496 4926 Area = Volume/Orifice Factor 32.86 in 6 155520 5442 r = VArealiT 3.23 in 8 293934 5961 Orifice Diameter-- 6.5 in • • 4 qKW&CRIEEn PROJECT NO.: 08433-0001 BY: JCB �M •J DATE: 09119122 T.M.: JCB REVISED: NIA P.M.: JCB SKIMMER SEDIMENT BASIN CALCULATIONS DRAINAGE AREAS/REQUIRED STORAGE I DESIGN CRITERIA Total drainage area (TDA) 9.94 ac Disturbed area DA 9.94 ac Proposed sediment depth 2 ft Bottom elevation of basin 689 ft msl Required sediment stora a 1800xDA 17892 cf Flow depth over emer. spillway 0.5 ft BASIN CONFIGURATION Bottom elevation 689 ft (msl) Sediment Storage elevation 691 ft (msl) Normal Pool 692 ft (msl) Spillway crest 692.5 ft (msl) Fop of Berm 694 ft msl ESTIMATED BASIN SIZE RECTANGULAR:1 Length(ft) Width(ft) Bottom 130 63 Top 150 83 BASIN EFFICIENCY Sediment storage provided: 21249 OKAY Sediment storage required: 17892 ft3 Surface area/Flow comparison: 13912 OKAY PLANNED BASIN SIZE (REFER TO EROSION CONTROL PLAN) Elev. Area (ft) Cumulative Volume (CF) 689 9063 0 689.5 9777.0432 4710 690 10630.37 9812 690.5 11433 15328 691 12253 21249 691.5 13077 27582 692 13912 34329 692.5 14753 41495 693 15603 49084 693.5 16459 57100 694 16245 65276 tsare sou coerucient ,c = u.b spiiiway aesign: (L=u/(cnn^i.o)); c= Z.0 Area 'A' = 9.94 ac h= 0.50 10 yr. storm rainfall intensity, '1' = 7.02 in/hr Spillway length @ flow depth 43 ft Computed flow from site, 'Q' = 41.87 cfs SURFACE AREA/FLOW COMPARISON Formula: A=325*Q 1 7.02 10 year storm A: Minimum Surface Area (acres) measured at the crest of the principal spillway Q(design): 42 CFS A(Req uired : 13607 sf of surface area at norm pool elev Q: Peak inflow rate of 10 year storm in cfs A Provided 13912 OKAY SKIMMER ORIFICE DIAMETER For Faircloth Skimmer Determining the Skimmer Size Skimmer Sizing Criteria (for 3 day draw down) NCDENR optimal dewatering time is 3 days Skimmer Size 3 Max. Flow Capacity Orifice Factor Volume to be dewatered over 3 days: 34328.8324 ft (in.) Skimmer Size: 4 in 1.5 5184 2880 2 2.5 3 9849 18702 29322 3369 3810 4146 Orifice Diameter Max Drawdown Volume for Skimmer: 60327 ft3 Orifice Factor: 4803 4 60327 4803 Formulas: 5 98496 4926 Area = Volume/Orifice Factor 7.15 in 6 155520 5442 r = Area/7r 1.51 in 8 293934 5961 Orifice Diameter= 3.0 in `[t, ! �Mmgc &CREED -7 � � -7 TRAPEZOIDAL CHANNEL COMPUTATION SHEET PROJECT: Kerns Ridge LOCATION: East Spencer, NC p Z t 0 f6 C y 0 U " C .w U w .-. t R '" R d' w .... t C J w t Q w 0 w -O_ ?> E o m t "O_ F 0 w= X N Z y C R f6 R w U li 3 O LL 0 LL C t Q w 0 0 LL .... C ate+ U W O D j 0 �..� p w w ��.. Q N y R a w y U* O y E w cu Q 0 E Z J w Q r F m s U f6 Q w U Q Ac C- Ri L d b e I n I Of I Qd S T TDD#1a 3.85 0.60 7.02 451.2 2.00 0.00 8.00 2 0.033 41.77 16.22 1.40 4.12 0.016 1.37 5 Straw with Net ✓ TDD #1 b 8.47 0.60 7.02 586.0 2.00 4.50 12.50 2 0.078 83.83 35.68 1.29 3.90 0.049 3.95 20 Rip Rap D50 (12") ✓ TDD #2 0.87 0.60 7.02 318.7 2.00 2.00 10.00 2 0.065 62.70 3.66 0.50 2.45 0.046 1.44 10 Straw with Net ✓ TDD #3 6.41 0.60 7.02 615.0 2.00 10.00 18.00 2 0.078 226.20 27.00 0.59 4.06 0.107 3.96 44 Rip Rap D50 (12") ✓ TDD #3- ph2 3.00 0.60 7.02 615.0 2.00 0.00 24.00 6 0.078 101.31 12.64 0.92 2.51 0.050 2.86 21 Rip Rap D50 (12") ✓ TDD #4 5.50 0.60 7.02 1051.0 2.00 3.00 11.00 2 0.033 107.21 23.17 0.94 5.08 0.023 1.37 17 Straw with Net ✓ TDD 5a 2.11 0.60 7.02 389.50 2.00 2.00 10.00 2 0.025 142.90 8.89 0.52 5.70 0.036 1.14 10 Synthetic Mat ✓ TDD 5b 5.65 0.60 7.02 508.29 2.00 5.00 13.00 2 0.078 107.79 23.80 0.90 3.90 0.070 3.94 24 Rip Rap D50 (12") ✓ TDD 5c 7.13 0.60 7.02 403.54 2.25 2.00 11.00 2 0.033 58.96 30.03 1.66 3.40 0.006 0.64 2 Straw with Net ✓ TDD 5d 8.04 0.60 7.02 492.24 2.00 5.00 13.00 2 0.078 93.68 33.86 1.18 3.92 0.053 3.90 18 Rip Rap D50 (12") ✓ 'Manning's values area based on channel lining and design flow depth as shown in NC DENR Table 8.05e. "Shear Stress is NA if design velocity is less than 2 fps and temporary seeding is used as a liner. Per NC DEN linings are not required if velocity is less than 2 fps. Is Kerns Rid a 0 1 OKAY 1 49.0 1 15.4 1 1.0 1 15.0 FlexTable: Conduit Table Start Node Invert (Start) (ft) Hydraulic Grade Line (In) (ft) Stop Node Invert (Stop) (ft) Hydraulic Grade Line (Out) (ft) Length (Unified) (ft) Slope (Calculated) (ft/ft) Diameter (in) Manning's n Flow (cfs) Capacity (Full Flow) (cfs) Velocity (ft/s) System Intensity (in/h) AlA 712.70 714.55 Al 712.50 714.33 40.6 0.005 36.0 0.013 32.36 46.84 7.15 7.160 A2 721.69 723.54 AlA 718.49 719.74 177.9 0.018 36.0 0.013 32.36 89.46 11.64 7.160 A3 721.85 723.63 A2 721.69 723.54 31.8 0.005 36.0 0.013 30.08 47.16 7.07 7.160 A4 725.44 727.21 A3 725.25 726.96 36.8 0.005 36.0 0.013 29.84 47.92 7.15 7.160 A5 725.66 727.42 A4 725.44 727.21 43.6 0.005 36.0 0.013 29.61 47.38 7.07 7.160 A8 725.77 727.50 A5 725.66 727.42 22.0 0.005 36.0 0.013 28.71 47.17 7.00 7.160 A9 725.99 727.85 A8 725.77 727.53 42.9 0.005 30.0 0.013 26.79 29.36 6.78 7.160 A10 730.83 732.57 A9 729.32 730.52 65.5 0.023 30.0 0.013 25.93 62.26 12.10 7.160 A10 732.34 733.20 All 732.53 732.98 30.0 -0.007 15.0 0.013 2.72 5.23 4.30 7.160 Al2 733.04 734.66 A10 730.84 732.57 88.0 0.025 30.0 0.013 22.69 64.94 12.05 7.160 A13 733.98 735.57 Al2 733.04 734.66 99.0 0.009 30.0 0.013 21.83 39.93 8.32 7.160 A13 736.21 736.99 A14 736.47 736.68 30.0 -0.008 15.0 0.013 1.75 5.94 4.21 7.160 A15 734.31 735.81 A13 733.98 735.57 65.0 0.005 30.0 0.013 19.48 29.22 6.37 7.160 A16 734.54 736.03 A15 734.31 735.81 45.8 0.005 30.0 0.013 19.17 29.08 6.33 7.160 A17 736.44 737.90 A16 736.33 737.78 22.0 0.005 30.0 0.013 18.47 29.00 6.26 7.160 A18 740.38 741.13 A17 736.93 737.90 104.9 0.033 15.0 0.013 3.48 11.71 8.32 7.160 A18 740.38 741.14 A31 740.51 741.13 25.4 -0.005 15.0 0.013 1.22 4.57 3.15 7.160 A18 740.38 741.23 A19 740.80 741.13 37.9 -0.011 15.0 0.013 1.14 6.84 4.13 7.160 A20 736.69 737.97 A17 736.44 737.90 50.6 0.005 30.0 0.013 14.40 28.84 5.87 7.160 A20 739.75 740.57 A21 739.91 740.39 32.0 -0.005 15.0 0.013 2.52 4.57 3.81 7.160 A22 737.16 738.34 A20 736.69 737.97 93.7 0.005 24.0 0.013 10.47 16.02 5.44 7.160 A23 737.59 738.72 A22 737.15 738.34 88.2 0.005 24.0 0.013 9.75 15.98 5.34 7.160 A24 742.72 743.45 A23 741.29 741.81 75.1 0.019 15.0 0.013 3.26 8.92 6.70 7.160 A25 742.87 743.47 A24 742.72 743.45 30.0 0.005 15.0 0.013 1.78 4.57 3.49 7.160 A26 737.74 738.81 A23 737.59 738.72 30.0 0.005 18.0 0.013 5.92 7.43 4.67 7.160 A27 737.93 738.95 A26 737.74 738.81 38.3 0.005 18.0 0.013 5.80 7.40 4.63 7.160 A28 739.36 740.34 A27 738.97 739.89 78.0 0.005 18.0 0.013 5.68 7.43 4.63 7.160 A29 739.51 740.43 A28 739.36 740.34 30.0 0.005 15.0 0.013 3.81 4.64 4.22 7.160 A30 743.45 744.02 A29 739.51 740.43 76.0 0.052 15.0 0.013 2.04 14.70 8.43 7.160 131A 675.64 678.01 131 675.50 677.85 27.1 0.005 42.0 0.013 57.40 72.38 8.34 7.160 13113 681.21 683.66 131A 677.87 679.27 33.5 0.100 36.0 0.013 57.40 210.75 25.38 7.160 132 691.92 694.37 13113 687.95 689.30 39.7 0.100 36.0 0.013 57.40 210.93 25.40 7.160 133 700.89 703.34 132 698.63 700.57 167.0 0.014 36.0 0.013 57.40 77.56 12.01 7.160 134 704.09 706.44 133 702.59 704.45 112.3 0.013 36.0 0.013 52.13 77.09 11.71 7.160 134 706.97 708.02 135 707.54 707.30 22.0 -0.026 15.0 0.013 1.49 10.39 6.01 7.160 136 706.04 708.33 134 704.09 706.44 159.2 0.012 36.0 0.013 49.26 73.82 11.18 7.160 137 706.35 708.76 136 706.04 708.33 62.4 0.005 36.0 0.013 47.00 47.03 7.58 7.160 138 708.95 711.30 137 707.92 710.11 206.4 0.005 36.0 0.013 45.17 47.12 7.59 7.160 138 715.04 715.90 139 715.36 715.48 30.0 -0.011 15.0 0.013 1.78 6.71 4.62 7.160 B10 710.29 712.46 138 708.95 711.30 268.4 0.005 36.0 0.013 41.21 47.13 7.52 7.160 B15 721.90 723.77 B10 719.50 720.72 98.0 0.024 36.0 0.013 33.31 104.33 13.12 7.160 StormCAD 08433-0001 KERNS RIDGE.stsw Bentley Systems, Inc. Haestad Methods Solution Center 13 [10.03.04.53] 9/21/2022 76 Watertown Road, Suite 2D Thomaston, CT 06787 USA +1-203-755-1666 Page 1 of 3 FlexTable: Conduit Table Start Node Invert (Start) (ft) Hydraulic Grade Line (In) (ft) Stop Node Invert (Stop) (ft) Hydraulic Grade Line (Out) (ft) Length (Unified) (ft) Slope (Calculated) (ft/ft) Diameter (in) Manning's n Flow (cfs) Capacity (Full Flow) (cfs) Velocity (ft/s) System Intensity (in/h) B15 723.05 723.89 B16 723.31 723.77 30.0 -0.009 15.0 0.013 2.08 6.00 4.44 7.160 B17 722.45 724.24 B15 721.90 723.77 110.1 0.005 36.0 0.013 30.47 47.14 7.09 7.160 B18 722.69 724.47 B17 722.45 724.24 47.6 0.005 36.0 0.013 30.25 47.36 7.10 7.160 B20 726.99 727.89 B18 723.95 724.49 88.2 0.034 18.0 0.013 5.50 19.50 9.48 7.160 B19 728.67 729.56 B20 728.55 729.41 23.7 0.005 18.0 0.013 4.97 7.43 4.50 7.160 B19 728.67 731.03 B44 730.32 729.56 126.3 -0.013 15.0 0.013 3.12 7.39 5.77 7.160 B21 722.80 724.56 B18 722.69 724.47 22.0 0.005 30.0 0.013 24.29 29.00 6.62 7.160 B22 723.03 724.72 B21 722.80 724.56 45.2 0.005 30.0 0.013 23.21 29.26 6.61 7.160 B22 727.97 728.75 B23 728.24 728.42 30.1 -0.009 15.0 0.013 1.70 6.09 4.25 7.160 B24 729.08 730.60 B22 726.07 727.08 144.3 0.021 30.0 0.013 20.04 59.20 10.89 7.160 B26 730.74 732.13 B24 729.08 730.60 110.5 0.015 30.0 0.013 16.78 50.28 9.22 7.160 B27 730.97 732.34 B26 730.74 732.13 45.7 0.005 30.0 0.013 16.51 29.09 6.11 7.160 B28 733.04 734.57 B27 732.93 734.35 22.0 0.005 24.0 0.013 15.57 15.99 5.80 7.160 B29 736.73 737.64 B28 733.75 734.34 99.9 0.030 15.0 0.013 5.01 11.16 8.85 7.160 B30 737.56 738.05 B29 736.98 737.64 57.4 0.010 15.0 0.013 1.53 6.49 4.33 7.160 B42 737.46 738.01 B29 736.73 737.64 25.6 0.028 15.0 0.013 1.91 10.90 6.68 7.160 B33 735.39 736.57 B28 733.54 734.40 50.0 0.037 15.0 0.013 9.65 12.42 11.18 7.160 B33 736.15 737.11 B34 736.44 736.73 30.0 -0.010 15.0 0.013 2.79 6.34 5.01 7.160 B35 738.21 739.19 B33 735.40 736.57 75.9 0.037 15.0 0.013 5.76 12.45 9.95 7.160 B36 742.28 743.17 B35 738.71 739.29 119.4 0.030 15.0 0.013 4.79 11.16 8.75 7.160 B37 742.43 743.26 B36 742.28 743.17 30.0 0.005 15.0 0.013 3.36 4.57 4.07 7.160 B38 742.70 743.40 B37 742.41 743.26 57.7 0.005 15.0 0.013 2.76 4.57 3.90 7.160 B39 743.38 744.04 B38 742.70 743.40 40.6 0.017 15.0 0.013 2.68 8.38 6.07 7.160 B39 743.63 744.82 B40 744.18 744.27 91.1 -0.006 15.0 0.013 2.56 5.00 4.10 7.160 B40 744.18 744.90 B41 744.41 744.82 30.0 -0.008 15.0 0.013 1.56 5.64 3.93 7.160 B25 730.44 731.09 B24 730.09 730.62 30.0 0.012 15.0 0.013 2.61 6.99 5.28 7.160 1311 710.97 712.60 B10 710.81 712.46 31.0 0.005 18.0 0.013 6.94 7.55 3.93 7.160 B12 711.20 712.73 1311 710.97 712.60 44.8 0.005 18.0 0.013 5.61 7.53 3.17 7.160 B13 712.15 713.13 B12 711.20 712.73 190.3 0.005 18.0 0.013 5.40 7.41 4.57 7.160 ClA 675.83 678.01 C1 675.50 677.62 66.2 0.005 42.0 0.013 48.55 71.01 7.95 7.160 C113 688.65 690.92 C1A 679.11 680.24 151.7 0.063 36.0 0.013 48.55 167.26 20.50 7.160 C2 689.65 691.92 C113 688.65 690.50 82.2 0.012 36.0 0.013 48.55 73.57 11.12 7.160 C3 695.73 698.00 C2 692.80 694.32 125.5 0.023 36.0 0.013 48.55 101.87 14.24 7.160 C4 695.88 698.25 C3 695.73 698.00 30.0 0.005 36.0 0.013 46.86 47.15 7.60 7.160 C8 696.54 698.60 C4 696.30 698.32 47.8 0.005 36.0 0.013 38.57 47.24 7.45 7.160 C9 696.77 698.81 C8 696.54 698.60 44.6 0.005 36.0 0.013 38.44 47.88 7.53 7.160 C19 698.13 699.37 C9 697.92 699.09 31.9 0.007 24.0 0.013 11.78 18.37 6.21 7.160 C10 700.64 701.93 C19 698.13 698.91 46.6 0.054 18.0 0.013 11.53 24.39 13.61 7.160 C10 700.64 702.27 C12 701.02 701.93 76.4 -0.005 18.0 0.013 7.36 7.43 4.79 7.160 C12 701.52 702.96 C13 701.91 702.48 78.8 -0.005 18.0 0.013 6.22 7.43 4.71 7.160 C14 702.58 703.48 C13 701.91 702.96 133.2 0.005 18.0 0.013 4.99 7.43 4.51 7.160 StormCAD 08433-0001 KERNS RIDGE.stsw Bentley Systems, Inc. Haestad Methods Solution Center 14 [10.03.04.53] 9/21/2022 76 Watertown Road, Suite 2D Thomaston, CT 06787 USA +1-203-755-1666 Page 2 of 3 FlexTable: Conduit Table Start Node Invert (Start) (ft) Hydraulic Grade Line (In) (ft) Stop Node Invert (Stop) (ft) Hydraulic Grade Line (Out) (ft) Length (Unified) (ft) Slope (Calculated) (ft/ft) Diameter (in) Manning's n Flow (cfs) Capacity (Full Flow) (cfs) Velocity (ft/s) System Intensity (in/h) C15 703.33 704.24 C14 702.58 703.48 150.0 0.005 15.0 0.013 4.06 4.57 4.20 7.160 C16 715.38 716.03 C15 705.98 706.36 225.2 0.042 15.0 0.013 2.66 13.19 8.41 7.160 C17 721.90 722.34 C16 715.63 715.92 225.1 0.028 15.0 0.013 1.26 10.78 5.88 7.160 C10 701.54 704.70 C11 703.96 701.92 30.1 -0.080 15.0 0.013 3.31 18.32 11.32 7.160 C18 697.21 698.88 C9 696.77 698.81 87.6 0.005 36.0 0.013 26.55 47.44 6.90 7.160 C20 697.62 699.27 C18 697.21 698.88 81.0 0.005 36.0 0.013 26.16 47.23 6.85 7.160 C22 699.48 701.04 C20 698.12 699.42 111.9 0.012 24.0 0.013 18.82 24.93 8.72 7.160 C23 703.95 705.42 C22 699.48 701.04 223.7 0.020 24.0 0.013 16.55 31.97 10.27 7.160 C25 714.08 715.42 C23 705.09 705.89 195.9 0.046 18.0 0.013 12.48 22.51 13.07 7.160 C25 714.83 715.59 C26 714.99 715.43 30.1 -0.005 15.0 0.013 2.19 4.57 3.68 7.160 C27 720.92 722.05 C25 714.10 715.42 168.8 0.040 18.0 0.013 8.53 21.11 11.31 7.160 C28 721.30 722.64 C27 720.92 722.05 74.3 0.005 18.0 0.013 8.39 7.51 4.75 7.160 C29 724.00 724.90 C28 723.82 724.72 30.0 0.006 18.0 0.013 5.47 8.14 4.94 7.160 C30 727.30 727.95 C29 724.06 724.90 75.0 0.043 15.0 0.013 2.60 13.43 8.47 7.160 C31 727.48 727.93 C30 727.30 727.95 30.0 0.006 15.0 0.013 1.23 5.01 3.38 7.160 C24 706.04 706.57 C23 703.66 705.42 33.5 0.071 15.0 0.013 1.79 17.22 9.08 7.160 C21 699.76 700.55 C20 699.60 700.38 29.9 0.005 18.0 0.013 4.17 7.68 4.44 7.160 C5 698.76 699.85 C4 697.31 698.19 107.4 0.013 18.0 0.013 7.87 12.20 7.34 7.160 C6 1 699.16 1 700.041 C5 1 699.01 1 699.85 1 30.0 1 0.005 1 15.0 1 0.013 1 3.90 1 4.571 4.18 1 7.160 StormCAD 08433-0001 KERNS RIDGE.stsw Bentley Systems, Inc. Haestad Methods Solution Center 15 [10.03.04.53] 9/21/2022 76 Watertown Road, Suite 2D Thomaston, CT 06787 USA +1-203-755-1666 Page 3 of 3 Kerns Ridge I PROJECT NC): C• 08433-0001 BY: JCB �N4:KIM&CREED DATE: 09/19/22 T. M. JCB REVISED: N/A P.M.: JCB WET POND #1 CALCULATIONS WATER QUALITY REQUIREMENTS To meet the Water Quality requirements, the procedure outlined in the "Stormwater Best Management Practices" published by NCDENR will be used. This guide gives the required pond surface area and storage volume to meet an 85% pollutant removal efficiency. Also, the pond must detain the first 1" of rainfall and release this volume over a period of 2 to 5 days. Calculations for these requirements are as follows: SITE CHARACTERISTICS Drainage Area 508,781 ft' Post -development impervious area 180,017 ft' Post -development impervious percentage 35% Design rainfall depth 1.0 in STORAGE VOLUME: NON -SA WATERS Minimum volume required 15,475 ft3 Volume provided 16,754 ft3 OK, volume provided is equal to or in excess of volume required. ELEVATIONS Temporary pool elevation 713.50 fmsl Permanent pool elevation 712.50 fmsl Top of 6ft vegetated shelf elevation 713.00 fmsl Bottom of 6ft vegetated shelf elevation 712.00 fmsl Sediment deanout, top elevation (bottom of pond) 708.50 fmsl Sediment deanout, bottom elevation 707.50 fmsl Sediment storage provided 1.0 ft Additional volume stored above state -required temp. pool? Y SURFACE AREAS Temporary pool area 21,245 ft' Permanent pool area REQUIRED 6,436 ft' Permanent pool area PROVIDED 19,858 ft' OK SA/DA ratio 1.27 Bottom of vegetated shelf area 19,031 ft' Bottom of pond area 15,033 ft' VOLUMES Temporary pool volume 16,754 ft3 OK Permanent pool volume 52,037 ft3 Forebay volume 9,768 ft3 Forebay % of permanent pool volume 18.77% OK SA/DA TABLE DATA Design TSS removal 85% Coastal SA/DA table used? N Mountains/Piedmont SA/DA table used? Y SA/DA ratio 1.27 Average depth 3.6 ft OK DRAWDOWN CALCULATIONS Drawdown through orifice? Y Diameter of orifice (if circular) 2.00 Area of orifice 0.02 Coefficient of discharge (CD) 60 N N/A N/A 0.06 3.20 in ft2 (unitless) ft ft3/sec days OK, draws down in 2-5 days. 16 Drainage Area #1 Wet Pond 1 Subcat Reach on Link 17 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 2 Summary for Subcatchment PST: Drainage Area #1 Runoff = 17.69 cfs @ 11.97 hrs, Volume= 0.794 af, Depth= 1.00" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Type II 24-hr 1-inch Runoff Rainfall=2.81" Area (ac) CN Description 9.570 78 Weighted CN 9.570 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment PST: Drainage Area #1 Hydrograph 19 --'---'---'---'---' cfs -- --'---'---'---'---'---'---' 1 -- - - I --' -------JI-- ---' -- --'---'---'---'---'---'---' -- ---'--'---'--- --�L --L----- --JI-- -- -- -- -- ■Runoff 17.69 18 17 --''----i--L-- ----------J--1--1-- --L--'L-------Y_pe f1=21�r --''-- 16 + 1-inGh Runoff Ral infal1=2.8a'" 15 14 ---- ---- ------+--r--r---------- ------+--r--r---------- --------�- -- I -- I I -- I I I i#I I I II 1 1 I Runoll Area.�..7%V a' -- --r--------- ----+--r-- -- 13 --1-- - -----+--+-- -----I---I-- --+-- --+-Runoff V61unw=&.7-94-4f - 12 w --'-- --'-- -- -- -- --------'-- -- -- --4-- --'IRUna'ffDep h=lMY,-- 3 10 --+- -+--+--+--+--+--1---1---1--+--+--+--+--r--+--I--+--+-Td�-OMil- o g LL --r- I --1--r--r--r--r--r--1---1--r--r--r--r--r--r--r--1--r--r- I I I I I I I I I I I I I I I 1 - 7I - 7 --I-- --__r--Y--r--r--_--I---I--r--r--r--r--Y--r--1-----r--r--Y--r--r-- 6 -1- 1--T--+--r--T--I --I---IT7--T--T__r--r-------T--T--T--T--T-- 1 1 1 1 1 4 1 1 T--+--r--r--i--1--1--T--T--T--r--r--T--r--1--T--T--+--r--T-- 1 1 3 --I-- ---T-- T- - T - -T--I -------T--T--T--T--r--r-------T--T--T--T--T-- 2 � ---- 1 --- -- --r-- 1 1 -- 1 1 ---------- 1 1 1 -- 1 ----r-- 1 1 ---------- -- --r-- -- 1 1 1 1 1 1 1 1 1 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) 18 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 3 Hydrograph for Subcatchment PST: Drainage Area #1 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 0.00 0.00 0.00 0.00 0.20 0.01 0.00 0.00 0.40 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.80 0.02 0.00 0.00 1.00 0.03 0.00 0.00 1.20 0.04 0.00 0.00 1.40 0.04 0.00 0.00 1.60 0.05 0.00 0.00 1.80 0.06 0.00 0.00 2.00 0.06 0.00 0.00 2.20 0.07 0.00 0.00 2.40 0.08 0.00 0.00 2.60 0.08 0.00 0.00 2.80 0.09 0.00 0.00 3.00 0.10 0.00 0.00 3.20 0.10 0.00 0.00 3.40 0.11 0.00 0.00 3.60 0.12 0.00 0.00 3.80 0.13 0.00 0.00 4.00 0.13 0.00 0.00 4.20 0.14 0.00 0.00 4.40 0.15 0.00 0.00 4.60 0.16 0.00 0.00 4.80 0.17 0.00 0.00 5.00 0.18 0.00 0.00 5.20 0.19 0.00 0.00 5.40 0.20 0.00 0.00 5.60 0.21 0.00 0.00 5.80 0.21 0.00 0.00 6.00 0.22 0.00 0.00 6.20 0.24 0.00 0.00 6.40 0.25 0.00 0.00 6.60 0.26 0.00 0.00 6.80 0.27 0.00 0.00 7.00 0.28 0.00 0.00 7.20 0.29 0.00 0.00 7.40 0.30 0.00 0.00 7.60 0.31 0.00 0.00 7.80 0.32 0.00 0.00 8.00 0.34 0.00 0.00 8.20 0.35 0.00 0.00 8.40 0.36 0.00 0.00 8.60 0.38 0.00 0.00 8.80 0.40 0.00 0.00 9.00 0.41 0.00 0.00 9.20 0.43 0.00 0.00 9.40 0.45 0.00 0.00 9.60 0.47 0.00 0.00 9.80 0.49 0.00 0.00 10.00 0.51 0.00 0.00 10.20 0.53 0.00 0.00 10.40 0.56 0.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 10.60 0.59 0.00 0.01 10.80 0.62 0.00 0.05 11.00 0.66 0.00 0.10 11.20 0.71 0.01 0.19 11.40 0.76 0.01 0.32 11.60 0.86 0.03 0.80 11.80 1.21 0.12 4.86 12.00 1.86 0.41 15.66 12.20 1.96 0.46 2.61 12.40 2.04 0.51 1.95 12.60 2.09 0.54 1.36 12.80 2.13 0.56 1.19 13.00 2.17 0.58 1.04 13.20 2.20 0.60 0.93 13.40 2.23 0.62 0.85 13.60 2.26 0.64 0.77 13.80 2.28 0.65 0.71 14.00 2.30 0.66 0.64 14.20 2.32 0.68 0.61 14.40 2.34 0.69 0.59 14.60 2.36 0.70 0.57 14.80 2.38 0.71 0.54 15.00 2.40 0.72 0.52 15.20 2.41 0.73 0.50 15.40 2.43 0.74 0.48 15.60 2.45 0.75 0.46 15.80 2.46 0.76 0.43 16.00 2.47 0.77 0.41 16.20 2.49 0.78 0.40 16.40 2.50 0.79 0.39 16.60 2.51 0.79 0.38 16.80 2.52 0.80 0.37 17.00 2.53 0.81 0.37 17.20 2.55 0.82 0.36 17.40 2.56 0.82 0.35 17.60 2.57 0.83 0.34 17.80 2.58 0.84 0.33 18.00 2.59 0.85 0.33 18.20 2.60 0.85 0.32 18.40 2.61 0.86 0.31 18.60 2.62 0.86 0.30 18.80 2.63 0.87 0.29 19.00 2.64 0.88 0.28 19.20 2.64 0.88 0.28 19.40 2.65 0.89 0.27 19.60 2.66 0.89 0.26 19.80 2.67 0.90 0.25 20.00 2.68 0.90 0.24 20.20 2.68 0.91 0.24 20.40 2.69 0.91 0.23 20.60 2.70 0.92 0.23 20.80 2.70 0.92 0.23 21.00 2.71 0.93 0.23 `R Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 4 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 21.20 2.72 0.93 0.23 21.40 2.72 0.94 0.23 21.60 2.73 0.94 0.23 21.80 2.74 0.95 0.22 22.00 2.75 0.95 0.22 22.20 2.75 0.96 0.22 22.40 2.76 0.96 0.22 22.60 2.77 0.96 0.22 22.80 2.77 0.97 0.22 23.00 2.78 0.97 0.21 23.20 2.78 0.98 0.21 23.40 2.79 0.98 0.21 23.60 2.80 0.99 0.21 23.80 2.80 0.99 0.21 24.00 2.81 1.00 0.21 24.20 2.81 1.00 0.00 24.40 2.81 1.00 0.00 24.60 2.81 1.00 0.00 24.80 2.81 1.00 0.00 25.00 2.81 1.00 0.00 25.20 2.81 1.00 0.00 25.40 2.81 1.00 0.00 25.60 2.81 1.00 0.00 25.80 2.81 1.00 0.00 26.00 2.81 1.00 0.00 26.20 2.81 1.00 0.00 26.40 2.81 1.00 0.00 26.60 2.81 1.00 0.00 26.80 2.81 1.00 0.00 27.00 2.81 1.00 0.00 27.20 2.81 1.00 0.00 27.40 2.81 1.00 0.00 27.60 2.81 1.00 0.00 27.80 2.81 1.00 0.00 28.00 2.81 1.00 0.00 28.20 2.81 1.00 0.00 28.40 2.81 1.00 0.00 28.60 2.81 1.00 0.00 28.80 2.81 1.00 0.00 29.00 2.81 1.00 0.00 29.20 2.81 1.00 0.00 29.40 2.81 1.00 0.00 29.60 2.81 1.00 0.00 29.80 2.81 1.00 0.00 30.00 2.81 1.00 0.00 30.20 2.81 1.00 0.00 30.40 2.81 1.00 0.00 30.60 2.81 1.00 0.00 30.80 2.81 1.00 0.00 31.00 2.81 1.00 0.00 31.20 2.81 1.00 0.00 31.40 2.81 1.00 0.00 31.60 2.81 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 31.80 2.81 1.00 0.00 32.00 2.81 1.00 0.00 32.20 2.81 1.00 0.00 32.40 2.81 1.00 0.00 32.60 2.81 1.00 0.00 32.80 2.81 1.00 0.00 33.00 2.81 1.00 0.00 33.20 2.81 1.00 0.00 33.40 2.81 1.00 0.00 33.60 2.81 1.00 0.00 33.80 2.81 1.00 0.00 34.00 2.81 1.00 0.00 34.20 2.81 1.00 0.00 34.40 2.81 1.00 0.00 34.60 2.81 1.00 0.00 34.80 2.81 1.00 0.00 35.00 2.81 1.00 0.00 35.20 2.81 1.00 0.00 35.40 2.81 1.00 0.00 35.60 2.81 1.00 0.00 35.80 2.81 1.00 0.00 36.00 2.81 1.00 0.00 36.20 2.81 1.00 0.00 36.40 2.81 1.00 0.00 36.60 2.81 1.00 0.00 36.80 2.81 1.00 0.00 37.00 2.81 1.00 0.00 37.20 2.81 1.00 0.00 37.40 2.81 1.00 0.00 37.60 2.81 1.00 0.00 37.80 2.81 1.00 0.00 38.00 2.81 1.00 0.00 38.20 2.81 1.00 0.00 38.40 2.81 1.00 0.00 38.60 2.81 1.00 0.00 38.80 2.81 1.00 0.00 39.00 2.81 1.00 0.00 39.20 2.81 1.00 0.00 39.40 2.81 1.00 0.00 39.60 2.81 1.00 0.00 39.80 2.81 1.00 0.00 40.00 2.81 1.00 0.00 40.20 2.81 1.00 0.00 40.40 2.81 1.00 0.00 40.60 2.81 1.00 0.00 40.80 2.81 1.00 0.00 41.00 2.81 1.00 0.00 41.20 2.81 1.00 0.00 41.40 2.81 1.00 0.00 41.60 2.81 1.00 0.00 41.80 2.81 1.00 0.00 42.00 2.81 1.00 0.00 42.20 2.81 1.00 0.00 PO Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 5 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 42.40 2.81 1.00 0.00 42.60 2.81 1.00 0.00 42.80 2.81 1.00 0.00 43.00 2.81 1.00 0.00 43.20 2.81 1.00 0.00 43.40 2.81 1.00 0.00 43.60 2.81 1.00 0.00 43.80 2.81 1.00 0.00 44.00 2.81 1.00 0.00 44.20 2.81 1.00 0.00 44.40 2.81 1.00 0.00 44.60 2.81 1.00 0.00 44.80 2.81 1.00 0.00 45.00 2.81 1.00 0.00 45.20 2.81 1.00 0.00 45.40 2.81 1.00 0.00 45.60 2.81 1.00 0.00 45.80 2.81 1.00 0.00 46.00 2.81 1.00 0.00 46.20 2.81 1.00 0.00 46.40 2.81 1.00 0.00 46.60 2.81 1.00 0.00 46.80 2.81 1.00 0.00 47.00 2.81 1.00 0.00 47.20 2.81 1.00 0.00 47.40 2.81 1.00 0.00 47.60 2.81 1.00 0.00 47.80 2.81 1.00 0.00 48.00 2.81 1.00 0.00 48.20 2.81 1.00 0.00 48.40 2.81 1.00 0.00 48.60 2.81 1.00 0.00 48.80 2.81 1.00 0.00 49.00 2.81 1.00 0.00 49.20 2.81 1.00 0.00 49.40 2.81 1.00 0.00 49.60 2.81 1.00 0.00 49.80 2.81 1.00 0.00 50.00 2.81 1.00 0.00 50.20 2.81 1.00 0.00 50.40 2.81 1.00 0.00 50.60 2.81 1.00 0.00 50.80 2.81 1.00 0.00 51.00 2.81 1.00 0.00 51.20 2.81 1.00 0.00 51.40 2.81 1.00 0.00 51.60 2.81 1.00 0.00 51.80 2.81 1.00 0.00 52.00 2.81 1.00 0.00 52.20 2.81 1.00 0.00 52.40 2.81 1.00 0.00 52.60 2.81 1.00 0.00 52.80 2.81 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 53.00 2.81 1.00 0.00 53.20 2.81 1.00 0.00 53.40 2.81 1.00 0.00 53.60 2.81 1.00 0.00 53.80 2.81 1.00 0.00 54.00 2.81 1.00 0.00 54.20 2.81 1.00 0.00 54.40 2.81 1.00 0.00 54.60 2.81 1.00 0.00 54.80 2.81 1.00 0.00 55.00 2.81 1.00 0.00 55.20 2.81 1.00 0.00 55.40 2.81 1.00 0.00 55.60 2.81 1.00 0.00 55.80 2.81 1.00 0.00 56.00 2.81 1.00 0.00 56.20 2.81 1.00 0.00 56.40 2.81 1.00 0.00 56.60 2.81 1.00 0.00 56.80 2.81 1.00 0.00 57.00 2.81 1.00 0.00 57.20 2.81 1.00 0.00 57.40 2.81 1.00 0.00 57.60 2.81 1.00 0.00 57.80 2.81 1.00 0.00 58.00 2.81 1.00 0.00 58.20 2.81 1.00 0.00 58.40 2.81 1.00 0.00 58.60 2.81 1.00 0.00 58.80 2.81 1.00 0.00 59.00 2.81 1.00 0.00 59.20 2.81 1.00 0.00 59.40 2.81 1.00 0.00 59.60 2.81 1.00 0.00 59.80 2.81 1.00 0.00 60.00 2.81 1.00 0.00 60.20 2.81 1.00 0.00 60.40 2.81 1.00 0.00 60.60 2.81 1.00 0.00 60.80 2.81 1.00 0.00 61.00 2.81 1.00 0.00 61.20 2.81 1.00 0.00 61.40 2.81 1.00 0.00 61.60 2.81 1.00 0.00 61.80 2.81 1.00 0.00 62.00 2.81 1.00 0.00 62.20 2.81 1.00 0.00 62.40 2.81 1.00 0.00 62.60 2.81 1.00 0.00 62.80 2.81 1.00 0.00 63.00 2.81 1.00 0.00 63.20 2.81 1.00 0.00 63.40 2.81 1.00 0.00 `A Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 6 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 63.60 2.81 1.00 0.00 63.80 2.81 1.00 0.00 64.00 2.81 1.00 0.00 64.20 2.81 1.00 0.00 64.40 2.81 1.00 0.00 64.60 2.81 1.00 0.00 64.80 2.81 1.00 0.00 65.00 2.81 1.00 0.00 65.20 2.81 1.00 0.00 65.40 2.81 1.00 0.00 65.60 2.81 1.00 0.00 65.80 2.81 1.00 0.00 66.00 2.81 1.00 0.00 66.20 2.81 1.00 0.00 66.40 2.81 1.00 0.00 66.60 2.81 1.00 0.00 66.80 2.81 1.00 0.00 67.00 2.81 1.00 0.00 67.20 2.81 1.00 0.00 67.40 2.81 1.00 0.00 67.60 2.81 1.00 0.00 67.80 2.81 1.00 0.00 68.00 2.81 1.00 0.00 68.20 2.81 1.00 0.00 68.40 2.81 1.00 0.00 68.60 2.81 1.00 0.00 68.80 2.81 1.00 0.00 69.00 2.81 1.00 0.00 69.20 2.81 1.00 0.00 69.40 2.81 1.00 0.00 69.60 2.81 1.00 0.00 69.80 2.81 1.00 0.00 70.00 2.81 1.00 0.00 70.20 2.81 1.00 0.00 70.40 2.81 1.00 0.00 70.60 2.81 1.00 0.00 70.80 2.81 1.00 0.00 71.00 2.81 1.00 0.00 71.20 2.81 1.00 0.00 71.40 2.81 1.00 0.00 71.60 2.81 1.00 0.00 71.80 2.81 1.00 0.00 72.00 2.81 1.00 0.00 72.20 2.81 1.00 0.00 72.40 2.81 1.00 0.00 72.60 2.81 1.00 0.00 72.80 2.81 1.00 0.00 73.00 2.81 1.00 0.00 73.20 2.81 1.00 0.00 73.40 2.81 1.00 0.00 73.60 2.81 1.00 0.00 73.80 2.81 1.00 0.00 74.00 2.81 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 74.20 2.81 1.00 0.00 74.40 2.81 1.00 0.00 74.60 2.81 1.00 0.00 74.80 2.81 1.00 0.00 75.00 2.81 1.00 0.00 75.20 2.81 1.00 0.00 75.40 2.81 1.00 0.00 75.60 2.81 1.00 0.00 75.80 2.81 1.00 0.00 76.00 2.81 1.00 0.00 76.20 2.81 1.00 0.00 76.40 2.81 1.00 0.00 76.60 2.81 1.00 0.00 76.80 2.81 1.00 0.00 77.00 2.81 1.00 0.00 77.20 2.81 1.00 0.00 77.40 2.81 1.00 0.00 77.60 2.81 1.00 0.00 77.80 2.81 1.00 0.00 78.00 2.81 1.00 0.00 78.20 2.81 1.00 0.00 78.40 2.81 1.00 0.00 78.60 2.81 1.00 0.00 78.80 2.81 1.00 0.00 79.00 2.81 1.00 0.00 79.20 2.81 1.00 0.00 79.40 2.81 1.00 0.00 79.60 2.81 1.00 0.00 79.80 2.81 1.00 0.00 80.00 2.81 1.00 0.00 80.20 2.81 1.00 0.00 80.40 2.81 1.00 0.00 80.60 2.81 1.00 0.00 80.80 2.81 1.00 0.00 81.00 2.81 1.00 0.00 81.20 2.81 1.00 0.00 81.40 2.81 1.00 0.00 81.60 2.81 1.00 0.00 81.80 2.81 1.00 0.00 82.00 2.81 1.00 0.00 82.20 2.81 1.00 0.00 82.40 2.81 1.00 0.00 82.60 2.81 1.00 0.00 82.80 2.81 1.00 0.00 83.00 2.81 1.00 0.00 83.20 2.81 1.00 0.00 83.40 2.81 1.00 0.00 83.60 2.81 1.00 0.00 83.80 2.81 1.00 0.00 84.00 2.81 1.00 0.00 84.20 2.81 1.00 0.00 84.40 2.81 1.00 0.00 84.60 2.81 1.00 0.00 `�� Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 7 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 84.80 2.81 1.00 0.00 85.00 2.81 1.00 0.00 85.20 2.81 1.00 0.00 85.40 2.81 1.00 0.00 85.60 2.81 1.00 0.00 85.80 2.81 1.00 0.00 86.00 2.81 1.00 0.00 86.20 2.81 1.00 0.00 86.40 2.81 1.00 0.00 86.60 2.81 1.00 0.00 86.80 2.81 1.00 0.00 87.00 2.81 1.00 0.00 87.20 2.81 1.00 0.00 87.40 2.81 1.00 0.00 87.60 2.81 1.00 0.00 87.80 2.81 1.00 0.00 88.00 2.81 1.00 0.00 88.20 2.81 1.00 0.00 88.40 2.81 1.00 0.00 88.60 2.81 1.00 0.00 88.80 2.81 1.00 0.00 89.00 2.81 1.00 0.00 89.20 2.81 1.00 0.00 89.40 2.81 1.00 0.00 89.60 2.81 1.00 0.00 89.80 2.81 1.00 0.00 90.00 2.81 1.00 0.00 90.20 2.81 1.00 0.00 90.40 2.81 1.00 0.00 90.60 2.81 1.00 0.00 90.80 2.81 1.00 0.00 91.00 2.81 1.00 0.00 91.20 2.81 1.00 0.00 91.40 2.81 1.00 0.00 91.60 2.81 1.00 0.00 91.80 2.81 1.00 0.00 92.00 2.81 1.00 0.00 92.20 2.81 1.00 0.00 92.40 2.81 1.00 0.00 92.60 2.81 1.00 0.00 92.80 2.81 1.00 0.00 93.00 2.81 1.00 0.00 93.20 2.81 1.00 0.00 93.40 2.81 1.00 0.00 93.60 2.81 1.00 0.00 93.80 2.81 1.00 0.00 94.00 2.81 1.00 0.00 94.20 2.81 1.00 0.00 94.40 2.81 1.00 0.00 94.60 2.81 1.00 0.00 94.80 2.81 1.00 0.00 95.00 2.81 1.00 0.00 95.20 2.81 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 95.40 2.81 1.00 0.00 95.60 2.81 1.00 0.00 95.80 2.81 1.00 0.00 96.00 2.81 1.00 0.00 96.20 2.81 1.00 0.00 96.40 2.81 1.00 0.00 96.60 2.81 1.00 0.00 96.80 2.81 1.00 0.00 97.00 2.81 1.00 0.00 97.20 2.81 1.00 0.00 97.40 2.81 1.00 0.00 97.60 2.81 1.00 0.00 97.80 2.81 1.00 0.00 98.00 2.81 1.00 0.00 98.20 2.81 1.00 0.00 98.40 2.81 1.00 0.00 98.60 2.81 1.00 0.00 98.80 2.81 1.00 0.00 99.00 2.81 1.00 0.00 99.20 2.81 1.00 0.00 99.40 2.81 1.00 0.00 99.60 2.81 1.00 0.00 99.80 2.81 1.00 0.00 100.00 2.81 1.00 0.00 100.20 2.81 1.00 0.00 100.40 2.81 1.00 0.00 100.60 2.81 1.00 0.00 100.80 2.81 1.00 0.00 101.00 2.81 1.00 0.00 101.20 2.81 1.00 0.00 101.40 2.81 1.00 0.00 101.60 2.81 1.00 0.00 101.80 2.81 1.00 0.00 102.00 2.81 1.00 0.00 102.20 2.81 1.00 0.00 102.40 2.81 1.00 0.00 102.60 2.81 1.00 0.00 102.80 2.81 1.00 0.00 103.00 2.81 1.00 0.00 103.20 2.81 1.00 0.00 103.40 2.81 1.00 0.00 103.60 2.81 1.00 0.00 103.80 2.81 1.00 0.00 104.00 2.81 1.00 0.00 104.20 2.81 1.00 0.00 104.40 2.81 1.00 0.00 104.60 2.81 1.00 0.00 104.80 2.81 1.00 0.00 105.00 2.81 1.00 0.00 105.20 2.81 1.00 0.00 105.40 2.81 1.00 0.00 105.60 2.81 1.00 0.00 105.80 2.81 1.00 0.00 23 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 8 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 106.00 2.81 1.00 0.00 106.20 2.81 1.00 0.00 106.40 2.81 1.00 0.00 106.60 2.81 1.00 0.00 106.80 2.81 1.00 0.00 107.00 2.81 1.00 0.00 107.20 2.81 1.00 0.00 107.40 2.81 1.00 0.00 107.60 2.81 1.00 0.00 107.80 2.81 1.00 0.00 108.00 2.81 1.00 0.00 108.20 2.81 1.00 0.00 108.40 2.81 1.00 0.00 108.60 2.81 1.00 0.00 108.80 2.81 1.00 0.00 109.00 2.81 1.00 0.00 109.20 2.81 1.00 0.00 109.40 2.81 1.00 0.00 109.60 2.81 1.00 0.00 109.80 2.81 1.00 0.00 110.00 2.81 1.00 0.00 110.20 2.81 1.00 0.00 110.40 2.81 1.00 0.00 110.60 2.81 1.00 0.00 110.80 2.81 1.00 0.00 111.00 2.81 1.00 0.00 111.20 2.81 1.00 0.00 111.40 2.81 1.00 0.00 111.60 2.81 1.00 0.00 111.80 2.81 1.00 0.00 112.00 2.81 1.00 0.00 112.20 2.81 1.00 0.00 112.40 2.81 1.00 0.00 112.60 2.81 1.00 0.00 112.80 2.81 1.00 0.00 113.00 2.81 1.00 0.00 113.20 2.81 1.00 0.00 113.40 2.81 1.00 0.00 113.60 2.81 1.00 0.00 113.80 2.81 1.00 0.00 114.00 2.81 1.00 0.00 114.20 2.81 1.00 0.00 114.40 2.81 1.00 0.00 114.60 2.81 1.00 0.00 114.80 2.81 1.00 0.00 115.00 2.81 1.00 0.00 115.20 2.81 1.00 0.00 115.40 2.81 1.00 0.00 115.60 2.81 1.00 0.00 115.80 2.81 1.00 0.00 116.00 2.81 1.00 0.00 116.20 2.81 1.00 0.00 116.40 2.81 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 116.60 2.81 1.00 0.00 116.80 2.81 1.00 0.00 117.00 2.81 1.00 0.00 117.20 2.81 1.00 0.00 117.40 2.81 1.00 0.00 117.60 2.81 1.00 0.00 117.80 2.81 1.00 0.00 118.00 2.81 1.00 0.00 118.20 2.81 1.00 0.00 118.40 2.81 1.00 0.00 118.60 2.81 1.00 0.00 118.80 2.81 1.00 0.00 119.00 2.81 1.00 0.00 119.20 2.81 1.00 0.00 119.40 2.81 1.00 0.00 119.60 2.81 1.00 0.00 119.80 2.81 1.00 0.00 120.00 2.81 1.00 0.00 24 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 9 Summary for Pond 1 P: Wet Pond 1 Inflow Area = 9.570 ac, 0.00% Impervious, Inflow Depth = 1.00" for 1-inch Runoff event Inflow = 17.69 cfs @ 11.97 hrs, Volume= 0.794 of Outflow = 0.14 cfs @ 24.06 hrs, Volume= 0.754 af, Atten= 99%, Lag= 725.5 min Primary = 0.14 cfs @ 24.06 hrs, Volume= 0.754 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Peak Elev= 714.24' @ 24.06 hrs Surf.Area= 18,149 sf Storage= 29,033 cf Plug -Flow detention time= 2,367.7 min calculated for 0.754 of (95% of inflow) Center -of -Mass det. time= 2,339.6 min ( 3,191.9 - 852.3 ) Volume Invert Avail.Storage Storage Description #1 712.50' 85,356 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 712.50 14,764 0 0 713.00 16,239 7,751 7,751 714.00 17,770 17,005 24,755 715.00 19,359 18,565 43,320 716.00 21,004 20,182 63,501 717.00 22,705 21,855 85,356 Device Routing Invert Outlet Devices #1 Primary 704.27' 24.0" Round Outfall Pipe L= 54.0' RCP, groove end w/headwall, Ke= 0.200 Inlet / Outlet Invert= 704.27' / 704.00' S= 0.0050 '/' Cc= 0.900 n= 0.012 Concrete pipe, finished, Flow Area= 3.14 sf #2 Device 1 712.50' 2.0" Vert. WQ Orifice C= 0.600 #3 Secondary 715.50' 20.0' long x 10.0' breadth Emergency Spillway Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 #4 Device 1 714.50' 48.0" x 48.0" Horiz. Top of Riser C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=0.14 cfs @ 24.06 hrs HW=714.24' (Free Discharge) L1=Outfall Pipe (Passes 0.14 cfs of 54.34 cfs potential flow) 2=WQ Orifice (Orifice Controls 0.14 cfs @ 6.19 fps) 14=Top of Riser ( Controls 0.00 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=712.50' (Free Discharge) L3=Emergency Spillway ( Controls 0.00 cfs) `R Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 10 Pond 1 P: Wet Pond 1 Hydrograph ----+--+----+----+--I--+--I--+---+--+-+--+----+----+---_y-- 17.69 cfs r----r----r--r-r--r-r--r-�rry--irw-,r--r--+I�--r-rC-�rtf-r--�7+-- ■ Inflow ❑Oufflow � fIJQ�/�[ 0-lac- M Primary _ _IArea=19-.5 - ■ Secondary 19 18 -+- - +--+----+----+----+----+--+-+ - -- ---- ---- ---- ---- - p+-+rr �p--+- + -- Q- �� # 17 r T s 9 15 -r- r--r--I--t--I--r--I--r--r-r--r-r--r-r--r--I--r--I--t--I--r-- 14 13 - - J--L----1----i----1--'-- --L-1--L-J--L----L----L--'--1- _ 12 -+- +--+--I--+--I--+--I--+--I--+--+-+--+-+--+--I--+--I--+--I--+-- H 11 10 i I I I I I I I I I I I I I I I I I I I I I I I I 0 9 'I LL 7 6 -T- Z_ T--r--I--T--I--T--I--T--I -T--T-T--T-T--T--I--r--I--T--I--T-- 5 -+- +--+--I--+--I--+--I--+--I--+--+-+--+-+--+--I--+--I--+--I--+- 4 ZZ 3 0.14 cfs 0.00 cfs 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) 717 716 w w 715 c 0 w w 714 713 Pond 1 P: Wet Pond 1 Stage -Discharge 0 20 40 60 80 100 120 140 160 Discharge (cfs) ■ Total ■ Primary ■ Secondary U1. Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 11 71 71 w w 71 c 0 w w If 71 Pond 1 P: Wet Pond 1 Stage -Area -Storage Surface/Horizontal/Wetted Area (sq-ft) 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 20,000 22,000 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 Storage (cubic -feet) Surface ❑ Storage MA Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 12 Hydrograph for Pond 1 P: Wet Pond 1 Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 0.00 0.00 0 712.50 0.00 0.00 0.00 0.50 0.00 0 712.50 0.00 0.00 0.00 1.00 0.00 0 712.50 0.00 0.00 0.00 1.50 0.00 0 712.50 0.00 0.00 0.00 2.00 0.00 0 712.50 0.00 0.00 0.00 2.50 0.00 0 712.50 0.00 0.00 0.00 3.00 0.00 0 712.50 0.00 0.00 0.00 3.50 0.00 0 712.50 0.00 0.00 0.00 4.00 0.00 0 712.50 0.00 0.00 0.00 4.50 0.00 0 712.50 0.00 0.00 0.00 5.00 0.00 0 712.50 0.00 0.00 0.00 5.50 0.00 0 712.50 0.00 0.00 0.00 6.00 0.00 0 712.50 0.00 0.00 0.00 6.50 0.00 0 712.50 0.00 0.00 0.00 7.00 0.00 0 712.50 0.00 0.00 0.00 7.50 0.00 0 712.50 0.00 0.00 0.00 8.00 0.00 0 712.50 0.00 0.00 0.00 8.50 0.00 0 712.50 0.00 0.00 0.00 9.00 0.00 0 712.50 0.00 0.00 0.00 9.50 0.00 0 712.50 0.00 0.00 0.00 10.00 0.00 0 712.50 0.00 0.00 0.00 10.50 0.00 0 712.50 0.00 0.00 0.00 11.00 0.10 79 712.51 0.00 0.00 0.00 11.50 0.40 486 712.53 0.00 0.00 0.00 12.00 15.66 10,993 713.20 0.08 0.08 0.00 12.50 1.62 17,465 713.58 0.10 0.10 0.00 13.00 1.04 19,518 713.70 0.11 0.11 0.00 13.50 0.81 20,960 713.78 0.12 0.12 0.00 14.00 0.64 22,050 713.85 0.12 0.12 0.00 14.50 0.58 22,922 713.90 0.12 0.12 0.00 15.00 0.52 23,694 713.94 0.12 0.12 0.00 15.50 0.47 24,364 713.98 0.12 0.12 0.00 16.00 0.41 24,931 714.01 0.13 0.13 0.00 16.50 0.39 25,416 714.04 0.13 0.13 0.00 17.00 0.37 25,864 714.06 0.13 0.13 0.00 17.50 0.35 26,275 714.09 0.13 0.13 0.00 18.00 0.33 26,647 714.11 0.13 0.13 0.00 18.50 0.30 26,981 714.12 0.13 0.13 0.00 19.00 0.28 27,275 714.14 0.13 0.13 0.00 19.50 0.26 27,531 714.16 0.13 0.13 0.00 20.00 0.24 27,746 714.17 0.13 0.13 0.00 20.50 0.23 27,933 714.18 0.13 0.13 0.00 21.00 0.23 28,111 714.19 0.13 0.13 0.00 21.50 0.23 28,283 714.20 0.13 0.13 0.00 22.00 0.22 28,446 714.21 0.13 0.13 0.00 22.50 0.22 28,602 714.21 0.13 0.13 0.00 23.00 0.21 28,750 714.22 0.13 0.13 0.00 23.50 0.21 28,890 714.23 0.13 0.13 0.00 24.00 0.21 29,023 714.24 0.14 0.14 0.00 24.50 0.00 28,837 714.23 0.13 0.13 0.00 25.00 0.00 28,595 714.21 0.13 0.13 0.00 25.50 0.00 28,354 714.20 0.13 0.13 0.00 26.00 0.00 28,114 714.19 0.13 0.13 0.00 28 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 13 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 26.50 0.00 27,875 714.17 0.13 0.13 0.00 27.00 0.00 27,637 714.16 0.13 0.13 0.00 27.50 0.00 27,400 714.15 0.13 0.13 0.00 28.00 0.00 27,164 714.13 0.13 0.13 0.00 28.50 0.00 26,929 714.12 0.13 0.13 0.00 29.00 0.00 26,695 714.11 0.13 0.13 0.00 29.50 0.00 26,462 714.10 0.13 0.13 0.00 30.00 0.00 26,230 714.08 0.13 0.13 0.00 30.50 0.00 25,999 714.07 0.13 0.13 0.00 31.00 0.00 25,769 714.06 0.13 0.13 0.00 31.50 0.00 25,540 714.04 0.13 0.13 0.00 32.00 0.00 25,312 714.03 0.13 0.13 0.00 32.50 0.00 25,085 714.02 0.13 0.13 0.00 33.00 0.00 24,859 714.01 0.13 0.13 0.00 33.50 0.00 24,634 713.99 0.12 0.12 0.00 34.00 0.00 24,410 713.98 0.12 0.12 0.00 34.50 0.00 24,187 713.97 0.12 0.12 0.00 35.00 0.00 23,965 713.96 0.12 0.12 0.00 35.50 0.00 23,744 713.94 0.12 0.12 0.00 36.00 0.00 23,524 713.93 0.12 0.12 0.00 36.50 0.00 23,305 713.92 0.12 0.12 0.00 37.00 0.00 23,087 713.91 0.12 0.12 0.00 37.50 0.00 22,870 713.89 0.12 0.12 0.00 38.00 0.00 22,654 713.88 0.12 0.12 0.00 38.50 0.00 22,439 713.87 0.12 0.12 0.00 39.00 0.00 22,226 713.86 0.12 0.12 0.00 39.50 0.00 22,013 713.84 0.12 0.12 0.00 40.00 0.00 21,801 713.83 0.12 0.12 0.00 40.50 0.00 21,590 713.82 0.12 0.12 0.00 41.00 0.00 21,380 713.81 0.12 0.12 0.00 41.50 0.00 21,172 713.80 0.12 0.12 0.00 42.00 0.00 20,964 713.78 0.12 0.12 0.00 42.50 0.00 20,757 713.77 0.11 0.11 0.00 43.00 0.00 20,551 713.76 0.11 0.11 0.00 43.50 0.00 20,347 713.75 0.11 0.11 0.00 44.00 0.00 20,143 713.74 0.11 0.11 0.00 44.50 0.00 19,940 713.73 0.11 0.11 0.00 45.00 0.00 19,739 713.71 0.11 0.11 0.00 45.50 0.00 19,538 713.70 0.11 0.11 0.00 46.00 0.00 19,339 713.69 0.11 0.11 0.00 46.50 0.00 19,140 713.68 0.11 0.11 0.00 47.00 0.00 18,943 713.67 0.11 0.11 0.00 47.50 0.00 18,746 713.66 0.11 0.11 0.00 48.00 0.00 18,551 713.65 0.11 0.11 0.00 48.50 0.00 18,357 713.63 0.11 0.11 0.00 49.00 0.00 18,163 713.62 0.11 0.11 0.00 49.50 0.00 17,971 713.61 0.11 0.11 0.00 50.00 0.00 17,780 713.60 0.11 0.11 0.00 50.50 0.00 17,590 713.59 0.11 0.11 0.00 51.00 0.00 17,401 713.58 0.10 0.10 0.00 51.50 0.00 17,213 713.57 0.10 0.10 0.00 52.00 0.00 17,025 713.56 0.10 0.10 0.00 52.50 0.00 16,839 713.55 0.10 0.10 0.00 `A Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 14 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 53.00 0.00 16,655 713.53 0.10 0.10 0.00 53.50 0.00 16,471 713.52 0.10 0.10 0.00 54.00 0.00 16,288 713.51 0.10 0.10 0.00 54.50 0.00 16,106 713.50 0.10 0.10 0.00 55.00 0.00 15,925 713.49 0.10 0.10 0.00 55.50 0.00 15,745 713.48 0.10 0.10 0.00 56.00 0.00 15,567 713.47 0.10 0.10 0.00 56.50 0.00 15,389 713.46 0.10 0.10 0.00 57.00 0.00 15,213 713.45 0.10 0.10 0.00 57.50 0.00 15,037 713.44 0.10 0.10 0.00 58.00 0.00 14,863 713.43 0.10 0.10 0.00 58.50 0.00 14,689 713.42 0.10 0.10 0.00 59.00 0.00 14,517 713.41 0.10 0.10 0.00 59.50 0.00 14,346 713.40 0.09 0.09 0.00 60.00 0.00 14,176 713.39 0.09 0.09 0.00 60.50 0.00 14,007 713.38 0.09 0.09 0.00 61.00 0.00 13,839 713.37 0.09 0.09 0.00 61.50 0.00 13,672 713.36 0.09 0.09 0.00 62.00 0.00 13,506 713.35 0.09 0.09 0.00 62.50 0.00 13,341 713.34 0.09 0.09 0.00 63.00 0.00 13,177 713.33 0.09 0.09 0.00 63.50 0.00 13,014 713.32 0.09 0.09 0.00 64.00 0.00 12,852 713.31 0.09 0.09 0.00 64.50 0.00 12,692 713.30 0.09 0.09 0.00 65.00 0.00 12,532 713.29 0.09 0.09 0.00 65.50 0.00 12,374 713.28 0.09 0.09 0.00 66.00 0.00 12,217 713.27 0.09 0.09 0.00 66.50 0.00 12,060 713.26 0.09 0.09 0.00 67.00 0.00 11,905 713.25 0.09 0.09 0.00 67.50 0.00 11,751 713.24 0.09 0.09 0.00 68.00 0.00 11,598 713.23 0.08 0.08 0.00 68.50 0.00 11,446 713.23 0.08 0.08 0.00 69.00 0.00 11,295 713.22 0.08 0.08 0.00 69.50 0.00 11,145 713.21 0.08 0.08 0.00 70.00 0.00 10,996 713.20 0.08 0.08 0.00 70.50 0.00 10,849 713.19 0.08 0.08 0.00 71.00 0.00 10,702 713.18 0.08 0.08 0.00 71.50 0.00 10,556 713.17 0.08 0.08 0.00 72.00 0.00 10,412 713.16 0.08 0.08 0.00 72.50 0.00 10,269 713.15 0.08 0.08 0.00 73.00 0.00 10,126 713.15 0.08 0.08 0.00 73.50 0.00 9,985 713.14 0.08 0.08 0.00 74.00 0.00 9,845 713.13 0.08 0.08 0.00 74.50 0.00 9,706 713.12 0.08 0.08 0.00 75.00 0.00 9,568 713.11 0.08 0.08 0.00 75.50 0.00 9,431 713.10 0.08 0.08 0.00 76.00 0.00 9,296 713.09 0.08 0.08 0.00 76.50 0.00 9,161 713.09 0.07 0.07 0.00 77.00 0.00 9,027 713.08 0.07 0.07 0.00 77.50 0.00 8,895 713.07 0.07 0.07 0.00 78.00 0.00 8,764 713.06 0.07 0.07 0.00 78.50 0.00 8,633 713.05 0.07 0.07 0.00 79.00 0.00 8,504 713.05 0.07 0.07 0.00 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 15 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 79.50 0.00 8,376 713.04 0.07 0.07 0.00 80.00 0.00 8,249 713.03 0.07 0.07 0.00 80.50 0.00 8,123 713.02 0.07 0.07 0.00 81.00 0.00 7,998 713.02 0.07 0.07 0.00 81.50 0.00 7,875 713.01 0.07 0.07 0.00 82.00 0.00 7,752 713.00 0.07 0.07 0.00 82.50 0.00 7,631 712.99 0.07 0.07 0.00 83.00 0.00 7,510 712.99 0.07 0.07 0.00 83.50 0.00 7,391 712.98 0.07 0.07 0.00 84.00 0.00 7,273 712.97 0.07 0.07 0.00 84.50 0.00 7,156 712.96 0.06 0.06 0.00 85.00 0.00 7,040 712.96 0.06 0.06 0.00 85.50 0.00 6,925 712.95 0.06 0.06 0.00 86.00 0.00 6,811 712.94 0.06 0.06 0.00 86.50 0.00 6,699 712.93 0.06 0.06 0.00 87.00 0.00 6,587 712.93 0.06 0.06 0.00 87.50 0.00 6,477 712.92 0.06 0.06 0.00 88.00 0.00 6,367 712.91 0.06 0.06 0.00 88.50 0.00 6,259 712.91 0.06 0.06 0.00 89.00 0.00 6,152 712.90 0.06 0.06 0.00 89.50 0.00 6,046 712.89 0.06 0.06 0.00 90.00 0.00 5,942 712.89 0.06 0.06 0.00 90.50 0.00 5,838 712.88 0.06 0.06 0.00 91.00 0.00 5,735 712.87 0.06 0.06 0.00 91.50 0.00 5,634 712.87 0.06 0.06 0.00 92.00 0.00 5,534 712.86 0.06 0.06 0.00 92.50 0.00 5,435 712.86 0.05 0.05 0.00 93.00 0.00 5,337 712.85 0.05 0.05 0.00 93.50 0.00 5,240 712.84 0.05 0.05 0.00 94.00 0.00 5,144 712.84 0.05 0.05 0.00 94.50 0.00 5,049 712.83 0.05 0.05 0.00 95.00 0.00 4,956 712.83 0.05 0.05 0.00 95.50 0.00 4,864 712.82 0.05 0.05 0.00 96.00 0.00 4,772 712.81 0.05 0.05 0.00 96.50 0.00 4,682 712.81 0.05 0.05 0.00 97.00 0.00 4,593 712.80 0.05 0.05 0.00 97.50 0.00 4,506 712.80 0.05 0.05 0.00 98.00 0.00 4,419 712.79 0.05 0.05 0.00 98.50 0.00 4,334 712.79 0.05 0.05 0.00 99.00 0.00 4,249 712.78 0.05 0.05 0.00 99.50 0.00 4,166 712.77 0.05 0.05 0.00 100.00 0.00 4,084 712.77 0.05 0.05 0.00 100.50 0.00 4,003 712.76 0.04 0.04 0.00 101.00 0.00 3,923 712.76 0.04 0.04 0.00 101.50 0.00 3,845 712.75 0.04 0.04 0.00 102.00 0.00 3,767 712.75 0.04 0.04 0.00 102.50 0.00 3,691 712.74 0.04 0.04 0.00 103.00 0.00 3,616 712.74 0.04 0.04 0.00 103.50 0.00 3,542 712.73 0.04 0.04 0.00 104.00 0.00 3,469 712.73 0.04 0.04 0.00 104.50 0.00 3,398 712.73 0.04 0.04 0.00 105.00 0.00 3,327 712.72 0.04 0.04 0.00 105.50 0.00 3,258 712.72 0.04 0.04 0.00 165 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 16 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 106.00 0.00 3,190 712.71 0.04 0.04 0.00 106.50 0.00 3,123 712.71 0.04 0.04 0.00 107.00 0.00 3,057 712.70 0.04 0.04 0.00 107.50 0.00 2,993 712.70 0.04 0.04 0.00 108.00 0.00 2,929 712.69 0.03 0.03 0.00 108.50 0.00 2,867 712.69 0.03 0.03 0.00 109.00 0.00 2,806 712.69 0.03 0.03 0.00 109.50 0.00 2,746 712.68 0.03 0.03 0.00 110.00 0.00 2,687 712.68 0.03 0.03 0.00 110.50 0.00 2,629 712.68 0.03 0.03 0.00 111.00 0.00 2,573 712.67 0.03 0.03 0.00 111.50 0.00 2,518 712.67 0.03 0.03 0.00 112.00 0.00 2,464 712.66 0.03 0.03 0.00 112.50 0.00 2,412 712.66 0.03 0.03 0.00 113.00 0.00 2,360 712.66 0.03 0.03 0.00 113.50 0.00 2,310 712.65 0.03 0.03 0.00 114.00 0.00 2,262 712.65 0.03 0.03 0.00 114.50 0.00 2,214 712.65 0.03 0.03 0.00 115.00 0.00 2,167 712.64 0.03 0.03 0.00 115.50 0.00 2,122 712.64 0.03 0.03 0.00 116.00 0.00 2,077 712.64 0.02 0.02 0.00 116.50 0.00 2,034 712.64 0.02 0.02 0.00 117.00 0.00 1,991 712.63 0.02 0.02 0.00 117.50 0.00 1,950 712.63 0.02 0.02 0.00 118.00 0.00 1,910 712.63 0.02 0.02 0.00 118.50 0.00 1,871 712.63 0.02 0.02 0.00 119.00 0.00 1,834 712.62 0.02 0.02 0.00 119.50 0.00 1,797 712.62 0.02 0.02 0.00 120.00 0.00 1,762 712.62 0.02 0.02 0.00 16YA Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 17 Stage -Discharge for Pond 1 P: Wet Pond 1 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 712.50 0.00 0.00 0.00 712.51 0.00 0.00 0.00 712.52 0.00 0.00 0.00 712.53 0.00 0.00 0.00 712.54 0.00 0.00 0.00 712.55 0.00 0.00 0.00 712.56 0.01 0.01 0.00 712.57 0.01 0.01 0.00 712.58 0.01 0.01 0.00 712.59 0.01 0.01 0.00 712.60 0.01 0.01 0.00 712.61 0.02 0.02 0.00 712.62 0.02 0.02 0.00 712.63 0.02 0.02 0.00 712.64 0.02 0.02 0.00 712.65 0.03 0.03 0.00 712.66 0.03 0.03 0.00 712.67 0.03 0.03 0.00 712.68 0.03 0.03 0.00 712.69 0.03 0.03 0.00 712.70 0.04 0.04 0.00 712.71 0.04 0.04 0.00 712.72 0.04 0.04 0.00 712.73 0.04 0.04 0.00 712.74 0.04 0.04 0.00 712.75 0.04 0.04 0.00 712.76 0.04 0.04 0.00 712.77 0.05 0.05 0.00 712.78 0.05 0.05 0.00 712.79 0.05 0.05 0.00 712.80 0.05 0.05 0.00 712.81 0.05 0.05 0.00 712.82 0.05 0.05 0.00 712.83 0.05 0.05 0.00 712.84 0.05 0.05 0.00 712.85 0.05 0.05 0.00 712.86 0.06 0.06 0.00 712.87 0.06 0.06 0.00 712.88 0.06 0.06 0.00 712.89 0.06 0.06 0.00 712.90 0.06 0.06 0.00 712.91 0.06 0.06 0.00 712.92 0.06 0.06 0.00 712.93 0.06 0.06 0.00 712.94 0.06 0.06 0.00 712.95 0.06 0.06 0.00 712.96 0.06 0.06 0.00 712.97 0.07 0.07 0.00 712.98 0.07 0.07 0.00 712.99 0.07 0.07 0.00 713.00 0.07 0.07 0.00 713.01 0.07 0.07 0.00 713.02 0.07 0.07 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 713.03 0.07 0.07 0.00 713.04 0.07 0.07 0.00 713.05 0.07 0.07 0.00 713.06 0.07 0.07 0.00 713.07 0.07 0.07 0.00 713.08 0.07 0.07 0.00 713.09 0.07 0.07 0.00 713.10 0.08 0.08 0.00 713.11 0.08 0.08 0.00 713.12 0.08 0.08 0.00 713.13 0.08 0.08 0.00 713.14 0.08 0.08 0.00 713.15 0.08 0.08 0.00 713.16 0.08 0.08 0.00 713.17 0.08 0.08 0.00 713.18 0.08 0.08 0.00 713.19 0.08 0.08 0.00 713.20 0.08 0.08 0.00 713.21 0.08 0.08 0.00 713.22 0.08 0.08 0.00 713.23 0.08 0.08 0.00 713.24 0.09 0.09 0.00 713.25 0.09 0.09 0.00 713.26 0.09 0.09 0.00 713.27 0.09 0.09 0.00 713.28 0.09 0.09 0.00 713.29 0.09 0.09 0.00 713.30 0.09 0.09 0.00 713.31 0.09 0.09 0.00 713.32 0.09 0.09 0.00 713.33 0.09 0.09 0.00 713.34 0.09 0.09 0.00 713.35 0.09 0.09 0.00 713.36 0.09 0.09 0.00 713.37 0.09 0.09 0.00 713.38 0.09 0.09 0.00 713.39 0.09 0.09 0.00 713.40 0.09 0.09 0.00 713.41 0.10 0.10 0.00 713.42 0.10 0.10 0.00 713.43 0.10 0.10 0.00 713.44 0.10 0.10 0.00 713.45 0.10 0.10 0.00 713.46 0.10 0.10 0.00 713.47 0.10 0.10 0.00 713.48 0.10 0.10 0.00 713.49 0.10 0.10 0.00 713.50 0.10 0.10 0.00 713.51 0.10 0.10 0.00 713.52 0.10 0.10 0.00 713.53 0.10 0.10 0.00 713.54 0.10 0.10 0.00 713.55 0.10 0.10 0.00 33 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 18 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 713.56 0.10 0.10 0.00 713.57 0.10 0.10 0.00 713.58 0.10 0.10 0.00 713.59 0.11 0.11 0.00 713.60 0.11 0.11 0.00 713.61 0.11 0.11 0.00 713.62 0.11 0.11 0.00 713.63 0.11 0.11 0.00 713.64 0.11 0.11 0.00 713.65 0.11 0.11 0.00 713.66 0.11 0.11 0.00 713.67 0.11 0.11 0.00 713.68 0.11 0.11 0.00 713.69 0.11 0.11 0.00 713.70 0.11 0.11 0.00 713.71 0.11 0.11 0.00 713.72 0.11 0.11 0.00 713.73 0.11 0.11 0.00 713.74 0.11 0.11 0.00 713.75 0.11 0.11 0.00 713.76 0.11 0.11 0.00 713.77 0.11 0.11 0.00 713.78 0.11 0.11 0.00 713.79 0.12 0.12 0.00 713.80 0.12 0.12 0.00 713.81 0.12 0.12 0.00 713.82 0.12 0.12 0.00 713.83 0.12 0.12 0.00 713.84 0.12 0.12 0.00 713.85 0.12 0.12 0.00 713.86 0.12 0.12 0.00 713.87 0.12 0.12 0.00 713.88 0.12 0.12 0.00 713.89 0.12 0.12 0.00 713.90 0.12 0.12 0.00 713.91 0.12 0.12 0.00 713.92 0.12 0.12 0.00 713.93 0.12 0.12 0.00 713.94 0.12 0.12 0.00 713.95 0.12 0.12 0.00 713.96 0.12 0.12 0.00 713.97 0.12 0.12 0.00 713.98 0.12 0.12 0.00 713.99 0.12 0.12 0.00 714.00 0.13 0.13 0.00 714.01 0.13 0.13 0.00 714.02 0.13 0.13 0.00 714.03 0.13 0.13 0.00 714.04 0.13 0.13 0.00 714.05 0.13 0.13 0.00 714.06 0.13 0.13 0.00 714.07 0.13 0.13 0.00 714.08 0.13 0.13 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 714.09 0.13 0.13 0.00 714.10 0.13 0.13 0.00 714.11 0.13 0.13 0.00 714.12 0.13 0.13 0.00 714.13 0.13 0.13 0.00 714.14 0.13 0.13 0.00 714.15 0.13 0.13 0.00 714.16 0.13 0.13 0.00 714.17 0.13 0.13 0.00 714.18 0.13 0.13 0.00 714.19 0.13 0.13 0.00 714.20 0.13 0.13 0.00 714.21 0.13 0.13 0.00 714.22 0.13 0.13 0.00 714.23 0.13 0.13 0.00 714.24 0.14 0.14 0.00 714.25 0.14 0.14 0.00 714.26 0.14 0.14 0.00 714.27 0.14 0.14 0.00 714.28 0.14 0.14 0.00 714.29 0.14 0.14 0.00 714.30 0.14 0.14 0.00 714.31 0.14 0.14 0.00 714.32 0.14 0.14 0.00 714.33 0.14 0.14 0.00 714.34 0.14 0.14 0.00 714.35 0.14 0.14 0.00 714.36 0.14 0.14 0.00 714.37 0.14 0.14 0.00 714.38 0.14 0.14 0.00 714.39 0.14 0.14 0.00 714.40 0.14 0.14 0.00 714.41 0.14 0.14 0.00 714.42 0.14 0.14 0.00 714.43 0.14 0.14 0.00 714.44 0.14 0.14 0.00 714.45 0.14 0.14 0.00 714.46 0.14 0.14 0.00 714.47 0.14 0.14 0.00 714.48 0.14 0.14 0.00 714.49 0.15 0.15 0.00 714.50 0.15 0.15 0.00 714.51 0.20 0.20 0.00 714.52 0.29 0.29 0.00 714.53 0.42 0.42 0.00 714.54 0.57 0.57 0.00 714.55 0.73 0.73 0.00 714.56 0.92 0.92 0.00 714.57 1.12 1.12 0.00 714.58 1.33 1.33 0.00 714.59 1.56 1.56 0.00 714.60 1.80 1.80 0.00 714.61 2.06 2.06 0.00 34 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 19 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 714.62 2.32 2.32 0.00 714.63 2.60 2.60 0.00 714.64 2.89 2.89 0.00 714.65 3.19 3.19 0.00 714.66 3.50 3.50 0.00 714.67 3.82 3.82 0.00 714.68 4.15 4.15 0.00 714.69 4.49 4.49 0.00 714.70 4.83 4.83 0.00 714.71 5.19 5.19 0.00 714.72 5.55 5.55 0.00 714.73 5.93 5.93 0.00 714.74 6.31 6.31 0.00 714.75 6.69 6.69 0.00 714.76 7.09 7.09 0.00 714.77 7.50 7.50 0.00 714.78 7.91 7.91 0.00 714.79 8.33 8.33 0.00 714.80 8.75 8.75 0.00 714.81 9.19 9.19 0.00 714.82 9.63 9.63 0.00 714.83 10.08 10.08 0.00 714.84 10.53 10.53 0.00 714.85 10.99 10.99 0.00 714.86 11.46 11.46 0.00 714.87 11.93 11.93 0.00 714.88 12.42 12.42 0.00 714.89 12.90 12.90 0.00 714.90 13.40 13.40 0.00 714.91 13.90 13.90 0.00 714.92 14.40 14.40 0.00 714.93 14.91 14.91 0.00 714.94 15.43 15.43 0.00 714.95 15.96 15.96 0.00 714.96 16.49 16.49 0.00 714.97 17.02 17.02 0.00 714.98 17.56 17.56 0.00 714.99 18.11 18.11 0.00 715.00 18.66 18.66 0.00 715.01 19.22 19.22 0.00 715.02 19.78 19.78 0.00 715.03 20.35 20.35 0.00 715.04 20.93 20.93 0.00 715.05 21.51 21.51 0.00 715.06 22.09 22.09 0.00 715.07 22.68 22.68 0.00 715.08 23.28 23.28 0.00 715.09 23.88 23.88 0.00 715.10 24.48 24.48 0.00 715.11 25.09 25.09 0.00 715.12 25.71 25.71 0.00 715.13 26.33 26.33 0.00 715.14 26.96 26.96 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 715.15 27.59 27.59 0.00 715.16 28.22 28.22 0.00 715.17 28.86 28.86 0.00 715.18 29.51 29.51 0.00 715.19 30.16 30.16 0.00 715.20 30.81 30.81 0.00 715.21 31.47 31.47 0.00 715.22 32.13 32.13 0.00 715.23 32.80 32.80 0.00 715.24 33.48 33.48 0.00 715.25 34.15 34.15 0.00 715.26 34.84 34.84 0.00 715.27 35.52 35.52 0.00 715.28 36.21 36.21 0.00 715.29 36.91 36.91 0.00 715.30 37.61 37.61 0.00 715.31 38.31 38.31 0.00 715.32 39.02 39.02 0.00 715.33 39.74 39.74 0.00 715.34 40.45 40.45 0.00 715.35 41.18 41.18 0.00 715.36 41.90 41.90 0.00 715.37 42.63 42.63 0.00 715.38 43.37 43.37 0.00 715.39 44.11 44.11 0.00 715.40 44.85 44.85 0.00 715.41 45.59 45.59 0.00 715.42 46.35 46.35 0.00 715.43 47.10 47.10 0.00 715.44 47.86 47.86 0.00 715.45 48.62 48.62 0.00 715.46 49.39 49.39 0.00 715.47 50.16 50.16 0.00 715.48 50.94 50.94 0.00 715.49 51.72 51.72 0.00 715.50 52.50 52.50 0.00 715.51 53.34 53.29 0.05 715.52 54.22 54.08 0.14 715.53 55.13 54.87 0.26 715.54 56.07 55.67 0.40 715.55 57.03 56.47 0.56 715.56 58.01 57.28 0.73 715.57 59.01 58.09 0.92 715.58 59.72 58.60 1.13 715.59 59.97 58.63 1.34 715.60 60.23 58.66 1.57 715.61 60.50 58.69 1.82 715.62 60.79 58.72 2.07 715.63 61.08 58.75 2.33 715.64 61.39 58.78 2.61 715.65 61.70 58.81 2.89 715.66 62.03 58.84 3.19 715.67 62.36 58.87 3.49 RR Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 20 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 715.68 62.70 58.90 3.80 715.69 63.06 58.93 4.12 715.70 63.42 58.96 4.45 715.71 63.79 58.99 4.80 715.72 64.18 59.02 5.15 715.73 64.57 59.05 5.52 715.74 64.97 59.08 5.89 715.75 65.38 59.11 6.27 715.76 65.80 59.14 6.66 715.77 66.23 59.17 7.06 715.78 66.67 59.20 7.46 715.79 67.11 59.23 7.88 715.80 67.56 59.26 8.30 715.81 68.02 59.30 8.73 715.82 68.49 59.33 9.17 715.83 68.97 59.36 9.61 715.84 69.45 59.39 10.07 715.85 69.94 59.42 10.53 715.86 70.44 59.45 11.00 715.87 70.95 59.48 11.48 715.88 71.47 59.51 11.96 715.89 71.99 59.54 12.45 715.90 72.52 59.57 12.95 715.91 73.07 59.60 13.48 715.92 73.64 59.63 14.01 715.93 74.21 59.66 14.56 715.94 74.79 59.69 15.11 715.95 75.38 59.72 15.67 715.96 75.98 59.75 16.24 715.97 76.59 59.78 16.81 715.98 77.21 59.81 17.40 715.99 77.83 59.84 17.99 716.00 78.46 59.87 18.60 716.01 79.11 59.90 19.21 716.02 79.76 59.93 19.83 716.03 80.41 59.96 20.46 716.04 81.08 59.99 21.09 716.05 81.76 60.02 21.74 716.06 82.44 60.05 22.39 716.07 83.13 60.08 23.06 716.08 83.83 60.11 23.73 716.09 84.54 60.14 24.41 716.10 85.26 60.17 25.10 716.11 85.92 60.19 25.72 716.12 86.58 60.22 26.35 716.13 87.24 60.25 26.99 716.14 87.91 60.28 27.63 716.15 88.59 60.31 28.27 716.16 89.27 60.34 28.92 716.17 89.95 60.37 29.58 716.18 90.64 60.40 30.24 716.19 91.33 60.43 30.90 716.20 92.03 60.46 31.57 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 716.21 92.73 60.49 32.24 716.22 93.44 60.52 32.92 716.23 94.15 60.55 33.60 716.24 94.87 60.58 34.29 716.25 95.59 60.61 34.98 716.26 96.31 60.64 35.67 716.27 97.04 60.67 36.37 716.28 97.77 60.70 37.08 716.29 98.51 60.73 37.78 716.30 99.25 60.76 38.50 716.31 100.00 60.79 39.21 716.32 100.75 60.82 39.93 716.33 101.51 60.85 40.66 716.34 102.26 60.88 41.39 716.35 103.03 60.91 42.12 716.36 103.79 60.93 42.86 716.37 104.56 60.96 43.60 716.38 105.34 60.99 44.35 716.39 106.12 61.02 45.10 716.40 106.90 61.05 45.85 716.41 107.69 61.08 46.61 716.42 108.48 61.11 47.37 716.43 109.27 61.14 48.13 716.44 110.07 61.17 48.90 716.45 110.88 61.20 49.68 716.46 111.68 61.23 50.45 716.47 112.49 61.26 51.23 716.48 113.31 61.29 52.02 716.49 114.12 61.32 52.81 716.50 114.94 61.34 53.60 716.51 115.79 61.37 54.42 716.52 116.64 61.40 55.24 716.53 117.49 61.43 56.06 716.54 118.35 61.46 56.89 716.55 119.21 61.49 57.72 716.56 120.08 61.52 58.56 716.57 120.95 61.55 59.40 716.58 121.83 61.58 60.25 716.59 122.71 61.61 61.10 716.60 123.59 61.64 61.95 716.61 124.48 61.67 62.81 716.62 125.37 61.69 63.67 716.63 126.26 61.72 64.54 716.64 127.16 61.75 65.41 716.65 128.07 61.78 66.29 716.66 128.98 61.81 67.17 716.67 129.89 61.84 68.05 716.68 130.80 61.87 68.94 716.69 131.72 61.90 69.83 716.70 132.65 61.93 70.72 716.71 133.54 61.96 71.58 716.72 134.43 61.98 72.44 716.73 135.32 62.01 73.31 K1: Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 21 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 716.74 136.22 62.04 74.18 716.75 137.12 62.07 75.05 716.76 138.02 62.10 75.92 716.77 138.93 62.13 76.80 716.78 139.84 62.16 77.68 716.79 140.75 62.19 78.56 716.80 141.66 62.22 79.45 716.81 142.58 62.24 80.34 716.82 143.50 62.27 81.23 716.83 144.42 62.30 82.12 716.84 145.35 62.33 83.02 716.85 146.28 62.36 83.92 716.86 147.21 62.39 84.82 716.87 148.14 62.42 85.73 716.88 149.08 62.45 86.63 716.89 150.02 62.47 87.54 716.90 150.96 62.50 88.46 716.91 151.89 62.53 89.36 716.92 152.82 62.56 90.26 716.93 153.75 62.59 91.16 716.94 154.68 62.62 92.07 716.95 155.62 62.65 92.98 716.96 156.56 62.67 93.89 716.97 157.50 62.70 94.80 716.98 158.45 62.73 95.71 716.99 159.39 62.76 96.63 717.00 160.34 62.79 97.55 37 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 22 Stage -Area -Storage for Pond 1 P: Wet Pond 1 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 712.50 14,764 0 712.51 14,793 148 712.52 14,823 296 712.53 14,852 444 712.54 14,882 593 712.55 14,911 742 712.56 14,941 891 712.57 14,971 1,041 712.58 15,000 1,191 712.59 15,030 1,341 712.60 15,059 1,491 712.61 15,089 1,642 712.62 15,118 1,793 712.63 15,147 1,944 712.64 15,177 2,096 712.65 15,206 2,248 712.66 15,236 2,400 712.67 15,265 2,553 712.68 15,295 2,705 712.69 15,325 2,858 712.70 15,354 3,012 712.71 15,384 3,165 712.72 15,413 3,319 712.73 15,443 3,474 712.74 15,472 3,628 712.75 15,502 3,783 712.76 15,531 3,938 712.77 15,560 4,094 712.78 15,590 4,250 712.79 15,619 4,406 712.80 15,649 4,562 712.81 15,678 4,719 712.82 15,708 4,876 712.83 15,738 5,033 712.84 15,767 5,190 712.85 15,797 5,348 712.86 15,826 5,506 712.87 15,856 5,665 712.88 15,885 5,823 712.89 15,914 5,982 712.90 15,944 6,142 712.91 15,973 6,301 712.92 16,003 6,461 712.93 16,032 6,621 712.94 16,062 6,782 712.95 16,092 6,942 712.96 16,121 7,104 712.97 16,151 7,265 712.98 16,180 7,427 712.99 16,210 7,589 713.00 16,239 7,751 713.01 16,254 7,913 713.02 16,270 8,076 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 713.03 16,285 8,239 713.04 16,300 8,402 713.05 16,316 8,565 713.06 16,331 8,728 713.07 16,346 8,891 713.08 16,361 9,055 713.09 16,377 9,218 713.10 16,392 9,382 713.11 16,407 9,546 713.12 16,423 9,710 713.13 16,438 9,875 713.14 16,453 10,039 713.15 16,469 10,204 713.16 16,484 10,369 713.17 16,499 10,534 713.18 16,515 10,699 713.19 16,530 10,864 713.20 16,545 11,029 713.21 16,561 11,195 713.22 16,576 11,360 713.23 16,591 11,526 713.24 16,606 11,692 713.25 16,622 11,858 713.26 16,637 12,025 713.27 16,652 12,191 713.28 16,668 12,358 713.29 16,683 12,524 713.30 16,698 12,691 713.31 16,714 12,858 713.32 16,729 13,026 713.33 16,744 13,193 713.34 16,760 13,361 713.35 16,775 13,528 713.36 16,790 13,696 713.37 16,805 13,864 713.38 16,821 14,032 713.39 16,836 14,200 713.40 16,851 14,369 713.41 16,867 14,537 713.42 16,882 14,706 713.43 16,897 14,875 713.44 16,913 15,044 713.45 16,928 15,213 713.46 16,943 15,383 713.47 16,959 15,552 713.48 16,974 15,722 713.49 16,989 15,892 713.50 17,005 16,062 713.51 17,020 16,232 713.52 17,035 16,402 713.53 17,050 16,572 713.54 17,066 16,743 713.55 17,081 16,914 38 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 23 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 713.56 17,096 17,085 713.57 17,112 17,256 713.58 17,127 17,427 713.59 17,142 17,598 713.60 17,158 17,770 713.61 17,173 17,941 713.62 17,188 18,113 713.63 17,204 18,285 713.64 17,219 18,457 713.65 17,234 18,630 713.66 17,249 18,802 713.67 17,265 18,975 713.68 17,280 19,147 713.69 17,295 19,320 713.70 17,311 19,493 713.71 17,326 19,666 713.72 17,341 19,840 713.73 17,357 20,013 713.74 17,372 20,187 713.75 17,387 20,361 713.76 17,403 20,535 713.77 17,418 20,709 713.78 17,433 20,883 713.79 17,448 21,057 713.80 17,464 21,232 713.81 17,479 21,407 713.82 17,494 21,581 713.83 17,510 21,756 713.84 17,525 21,932 713.85 17,540 22,107 713.86 17,556 22,282 713.87 17,571 22,458 713.88 17,586 22,634 713.89 17,602 22,810 713.90 17,617 22,986 713.91 17,632 23,162 713.92 17,648 23,339 713.93 17,663 23,515 713.94 17,678 23,692 713.95 17,693 23,869 713.96 17,709 24,046 713.97 17,724 24,223 713.98 17,739 24,400 713.99 17,755 24,578 714.00 17,770 24,755 714.01 17,786 24,933 714.02 17,802 25,111 714.03 17,818 25,289 714.04 17,834 25,467 714.05 17,849 25,646 714.06 17,865 25,824 714.07 17,881 26,003 714.08 17,897 26,182 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 714.09 17,913 26,361 714.10 17,929 26,540 714.11 17,945 26,720 714.12 17,961 26,899 714.13 17,977 27,079 714.14 17,992 27,259 714.15 18,008 27,439 714.16 18,024 27,619 714.17 18,040 27,799 714.18 18,056 27,980 714.19 18,072 28,160 714.20 18,088 28,341 714.21 18,104 28,522 714.22 18,120 28,703 714.23 18,135 28,884 714.24 18,151 29,066 714.25 18,167 29,247 714.26 18,183 29,429 714.27 18,199 29,611 714.28 18,215 29,793 714.29 18,231 29,975 714.30 18,247 30,158 714.31 18,263 30,340 714.32 18,278 30,523 714.33 18,294 30,706 714.34 18,310 30,889 714.35 18,326 31,072 714.36 18,342 31,255 714.37 18,358 31,439 714.38 18,374 31,623 714.39 18,390 31,806 714.40 18,406 31,990 714.41 18,421 32,175 714.42 18,437 32,359 714.43 18,453 32,543 714.44 18,469 32,728 714.45 18,485 32,913 714.46 18,501 33,098 714.47 18,517 33,283 714.48 18,533 33,468 714.49 18,549 33,653 714.50 18,565 33,839 714.51 18,580 34,025 714.52 18,596 34,210 714.53 18,612 34,397 714.54 18,628 34,583 714.55 18,644 34,769 714.56 18,660 34,956 714.57 18,676 35,142 714.58 18,692 35,329 714.59 18,708 35,516 714.60 18,723 35,703 714.61 18,739 35,891 KV Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 24 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 714.62 18,755 36,078 714.63 18,771 36,266 714.64 18,787 36,453 714.65 18,803 36,641 714.66 18,819 36,830 714.67 18,835 37,018 714.68 18,851 37,206 714.69 18,866 37,395 714.70 18,882 37,584 714.71 18,898 37,772 714.72 18,914 37,962 714.73 18,930 38,151 714.74 18,946 38,340 714.75 18,962 38,530 714.76 18,978 38,719 714.77 18,994 38,909 714.78 19,009 39,099 714.79 19,025 39,289 714.80 19,041 39,480 714.81 19,057 39,670 714.82 19,073 39,861 714.83 19,089 40,052 714.84 19,105 40,243 714.85 19,121 40,434 714.86 19,137 40,625 714.87 19,152 40,817 714.88 19,168 41,008 714.89 19,184 41,200 714.90 19,200 41,392 714.91 19,216 41,584 714.92 19,232 41,776 714.93 19,248 41,969 714.94 19,264 42,161 714.95 19,280 42,354 714.96 19,295 42,547 714.97 19,311 42,740 714.98 19,327 42,933 714.99 19,343 43,126 715.00 19,359 43,320 715.01 19,375 43,513 715.02 19,392 43,707 715.03 19,408 43,901 715.04 19,425 44,095 715.05 19,441 44,290 715.06 19,458 44,484 715.07 19,474 44,679 715.08 19,491 44,874 715.09 19,507 45,069 715.10 19,524 45,264 715.11 19,540 45,459 715.12 19,556 45,655 715.13 19,573 45,850 715.14 19,589 46,046 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 715.15 19,606 46,242 715.16 19,622 46,438 715.17 19,639 46,635 715.18 19,655 46,831 715.19 19,672 47,028 715.20 19,688 47,224 715.21 19,704 47,421 715.22 19,721 47,619 715.23 19,737 47,816 715.24 19,754 48,013 715.25 19,770 48,211 715.26 19,787 48,409 715.27 19,803 48,607 715.28 19,820 48,805 715.29 19,836 49,003 715.30 19,852 49,201 715.31 19,869 49,400 715.32 19,885 49,599 715.33 19,902 49,798 715.34 19,918 49,997 715.35 19,935 50,196 715.36 19,951 50,396 715.37 19,968 50,595 715.38 19,984 50,795 715.39 20,001 50,995 715.40 20,017 51,195 715.41 20,033 51,395 715.42 20,050 51,596 715.43 20,066 51,796 715.44 20,083 51,997 715.45 20,099 52,198 715.46 20,116 52,399 715.47 20,132 52,600 715.48 20,149 52,802 715.49 20,165 53,003 715.50 20,182 53,205 715.51 20,198 53,407 715.52 20,214 53,609 715.53 20,231 53,811 715.54 20,247 54,013 715.55 20,264 54,216 715.56 20,280 54,419 715.57 20,297 54,622 715.58 20,313 54,825 715.59 20,330 55,028 715.60 20,346 55,231 715.61 20,362 55,435 715.62 20,379 55,638 715.63 20,395 55,842 715.64 20,412 56,046 715.65 20,428 56,251 715.66 20,445 56,455 715.67 20,461 56,660 Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 25 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 715.68 20,478 56,864 715.69 20,494 57,069 715.70 20,511 57,274 715.71 20,527 57,479 715.72 20,543 57,685 715.73 20,560 57,890 715.74 20,576 58,096 715.75 20,593 58,302 715.76 20,609 58,508 715.77 20,626 58,714 715.78 20,642 58,920 715.79 20,659 59,127 715.80 20,675 59,333 715.81 20,691 59,540 715.82 20,708 59,747 715.83 20,724 59,954 715.84 20,741 60,162 715.85 20,757 60,369 715.86 20,774 60,577 715.87 20,790 60,785 715.88 20,807 60,993 715.89 20,823 61,201 715.90 20,839 61,409 715.91 20,856 61,618 715.92 20,872 61,826 715.93 20,889 62,035 715.94 20,905 62,244 715.95 20,922 62,453 715.96 20,938 62,662 715.97 20,955 62,872 715.98 20,971 63,081 715.99 20,988 63,291 716.00 21,004 63,501 716.01 21,021 63,711 716.02 21,038 63,922 716.03 21,055 64,132 716.04 21,072 64,343 716.05 21,089 64,554 716.06 21,106 64,765 716.07 21,123 64,976 716.08 21,140 65,187 716.09 21,157 65,398 716.10 21,174 65,610 716.11 21,191 65,822 716.12 21,208 66,034 716.13 21,225 66,246 716.14 21,242 66,458 716.15 21,259 66,671 716.16 21,276 66,884 716.17 21,293 67,097 716.18 21,310 67,310 716.19 21,327 67,523 716.20 21,344 67,736 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 716.21 21,361 67,950 716.22 21,378 68,163 716.23 21,395 68,377 716.24 21,412 68,591 716.25 21,429 68,805 716.26 21,446 69,020 716.27 21,463 69,234 716.28 21,480 69,449 716.29 21,497 69,664 716.30 21,514 69,879 716.31 21,531 70,094 716.32 21,548 70,310 716.33 21,565 70,525 716.34 21,582 70,741 716.35 21,599 70,957 716.36 21,616 71,173 716.37 21,633 71,389 716.38 21,650 71,606 716.39 21,667 71,822 716.40 21,684 72,039 716.41 21,701 72,256 716.42 21,718 72,473 716.43 21,735 72,690 716.44 21,752 72,908 716.45 21,769 73,125 716.46 21,786 73,343 716.47 21,803 73,561 716.48 21,820 73,779 716.49 21,837 73,997 716.50 21,855 74,216 716.51 21,872 74,435 716.52 21,889 74,653 716.53 21,906 74,872 716.54 21,923 75,091 716.55 21,940 75,311 716.56 21,957 75,530 716.57 21,974 75,750 716.58 21,991 75,970 716.59 22,008 76,190 716.60 22,025 76,410 716.61 22,042 76,630 716.62 22,059 76,851 716.63 22,076 77,071 716.64 22,093 77,292 716.65 22,110 77,513 716.66 22,127 77,734 716.67 22,144 77,956 716.68 22,161 78,177 716.69 22,178 78,399 716.70 22,195 78,621 716.71 22,212 78,843 716.72 22,229 79,065 716.73 22,246 79,287 to Kerns Ridge Type/1 24-hr 1-inch Runoff Rainfall=2.81 " Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 26 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 716.74 22,263 79,510 716.75 22,280 79,733 716.76 22,297 79,956 716.77 22,314 80,179 716.78 22,331 80,402 716.79 22,348 80,625 716.80 22,365 80,849 716.81 22,382 81,073 716.82 22,399 81,296 716.83 22,416 81,520 716.84 22,433 81,745 716.85 22,450 81,969 716.86 22,467 82,194 716.87 22,484 82,418 716.88 22,501 82,643 716.89 22,518 82,868 716.90 22,535 83,094 716.91 22,552 83,319 716.92 22,569 83,545 716.93 22,586 83,771 716.94 22,603 83,997 716.95 22,620 84,223 716.96 22,637 84,449 716.97 22,654 84,675 716.98 22,671 84,902 716.99 22,688 85,129 717.00 22,705 85,356 ey: Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 27 Summary for Subcatchment PST: Drainage Area #1 Runoff = 79.81 cfs @ 11.96 hrs, Volume= 3.692 af, Depth= 4.63" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Type II 24-hr 100-Year Rainfall=7.17" Area (ac) CN Description 9.570 78 Weighted CN 9.570 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment PST: Drainage Area #1 Hydrograph ------------'I --', --', -----------'I-- -- -- I I I __T- __F -T__ T--, --, __ ■Runoff 85 79.81 cfs ;--7--r--r----------,'-- -- - r--r--'r-----I----,--7--r--'r-- 80 -- ----+--+-- -- -- -- --+-- -- -- Type-N,24=hlt - 75 70 1QO-rYear Rai--nfal1�7.��1-71'-- I I I I I I I I I I I 65 --'I - '--------- - -- -- rrbff-A ire&9.570ad - 60 55 --I----I--r--r--r--r--r--I---I--r- r- r- w 50 --i------+--+--+--+----------+--+--+--+-- - - RumoffIDeptlr4.631�� 0 40 �sTa2-WJL�1-- LL i I I I I I I I I I I I I I I I I I I I 35 �11 N I I 30 --r- ---- -- -- ------------ -- -- -- --I --- - ----- -- -- T-- -- -- 25 --I-- ---+--+--+--+--r-------+--+--+--+--r--+-------+--+--+--r--+-- 20 --�----------------------'--'---------------------�-- 15--'------i--i------'---'--------i--L--+-----------i--L--�-- 10 5 I I I I I I I I I I I I I I I I I I I I 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) 43 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 28 Hydrograph for Subcatchment PST: Drainage Area #1 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 0.00 0.00 0.00 0.00 0.20 0.01 0.00 0.00 0.40 0.03 0.00 0.00 0.60 0.04 0.00 0.00 0.80 0.06 0.00 0.00 1.00 0.08 0.00 0.00 1.20 0.09 0.00 0.00 1.40 0.11 0.00 0.00 1.60 0.12 0.00 0.00 1.80 0.14 0.00 0.00 2.00 0.16 0.00 0.00 2.20 0.18 0.00 0.00 2.40 0.19 0.00 0.00 2.60 0.21 0.00 0.00 2.80 0.23 0.00 0.00 3.00 0.25 0.00 0.00 3.20 0.27 0.00 0.00 3.40 0.29 0.00 0.00 3.60 0.30 0.00 0.00 3.80 0.32 0.00 0.00 4.00 0.34 0.00 0.00 4.20 0.36 0.00 0.00 4.40 0.39 0.00 0.00 4.60 0.41 0.00 0.00 4.80 0.43 0.00 0.00 5.00 0.45 0.00 0.00 5.20 0.47 0.00 0.00 5.40 0.50 0.00 0.00 5.60 0.52 0.00 0.00 5.80 0.55 0.00 0.00 6.00 0.57 0.00 0.00 6.20 0.60 0.00 0.02 6.40 0.63 0.00 0.05 6.60 0.65 0.00 0.07 6.80 0.68 0.00 0.10 7.00 0.71 0.01 0.12 7.20 0.74 0.01 0.15 7.40 0.77 0.01 0.18 7.60 0.80 0.02 0.21 7.80 0.83 0.02 0.23 8.00 0.86 0.03 0.26 8.20 0.89 0.03 0.31 8.40 0.93 0.04 0.36 8.60 0.97 0.05 0.43 8.80 1.01 0.06 0.50 9.00 1.05 0.07 0.58 9.20 1.10 0.09 0.63 9.40 1.15 0.10 0.68 9.60 1.19 0.11 0.73 9.80 1.24 0.13 0.84 10.00 1.30 0.15 0.97 10.20 1.36 0.17 1.14 10.40 1.43 0.20 1.34 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 10.60 1.50 0.23 1.57 10.80 1.59 0.27 1.90 11.00 1.68 0.32 2.28 11.20 1.80 0.38 2.93 11.40 1.95 0.45 3.83 11.60 2.20 0.60 7.56 11.80 3.09 1.19 30.67 12.00 4.75 2.50 67.59 12.20 5.01 2.72 10.33 12.40 5.20 2.88 7.53 12.60 5.33 2.99 5.18 12.80 5.44 3.09 4.51 13.00 5.54 3.17 3.90 13.20 5.62 3.24 3.47 13.40 5.69 3.31 3.14 13.60 5.76 3.37 2.82 13.80 5.82 3.42 2.58 14.00 5.88 3.47 2.34 14.20 5.93 3.52 2.20 14.40 5.98 3.56 2.12 14.60 6.03 3.61 2.04 14.80 6.08 3.65 1.96 15.00 6.12 3.68 1.87 15.20 6.16 3.72 1.79 15.40 6.20 3.76 1.71 15.60 6.24 3.79 1.62 15.80 6.28 3.82 1.54 16.00 6.31 3.85 1.45 16.20 6.34 3.88 1.40 16.40 6.37 3.91 1.37 16.60 6.41 3.94 1.34 16.80 6.44 3.97 1.31 17.00 6.47 3.99 1.28 17.20 6.49 4.02 1.25 17.40 6.52 4.04 1.22 17.60 6.55 4.07 1.19 17.80 6.58 4.09 1.16 18.00 6.60 4.12 1.13 18.20 6.63 4.14 1.10 18.40 6.65 4.16 1.07 18.60 6.68 4.18 1.04 18.80 6.70 4.20 1.01 19.00 6.72 4.22 0.98 19.20 6.75 4.24 0.95 19.40 6.77 4.26 0.92 19.60 6.79 4.28 0.89 19.80 6.81 4.30 0.86 20.00 6.83 4.32 0.82 20.20 6.84 4.33 0.81 20.40 6.86 4.35 0.80 20.60 6.88 4.37 0.80 20.80 6.90 4.38 0.79 21.00 6.92 4.40 0.79 44 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 29 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 21.20 6.94 4.42 0.78 21.40 6.95 4.43 0.77 21.60 6.97 4.45 0.77 21.80 6.99 4.46 0.76 22.00 7.01 4.48 0.76 22.20 7.02 4.49 0.75 22.40 7.04 4.51 0.74 22.60 7.06 4.53 0.74 22.80 7.07 4.54 0.73 23.00 7.09 4.56 0.73 23.20 7.11 4.57 0.72 23.40 7.12 4.59 0.71 23.60 7.14 4.60 0.71 23.80 7.15 4.61 0.70 24.00 7.17 4.63 0.70 24.20 7.17 4.63 0.01 24.40 7.17 4.63 0.00 24.60 7.17 4.63 0.00 24.80 7.17 4.63 0.00 25.00 7.17 4.63 0.00 25.20 7.17 4.63 0.00 25.40 7.17 4.63 0.00 25.60 7.17 4.63 0.00 25.80 7.17 4.63 0.00 26.00 7.17 4.63 0.00 26.20 7.17 4.63 0.00 26.40 7.17 4.63 0.00 26.60 7.17 4.63 0.00 26.80 7.17 4.63 0.00 27.00 7.17 4.63 0.00 27.20 7.17 4.63 0.00 27.40 7.17 4.63 0.00 27.60 7.17 4.63 0.00 27.80 7.17 4.63 0.00 28.00 7.17 4.63 0.00 28.20 7.17 4.63 0.00 28.40 7.17 4.63 0.00 28.60 7.17 4.63 0.00 28.80 7.17 4.63 0.00 29.00 7.17 4.63 0.00 29.20 7.17 4.63 0.00 29.40 7.17 4.63 0.00 29.60 7.17 4.63 0.00 29.80 7.17 4.63 0.00 30.00 7.17 4.63 0.00 30.20 7.17 4.63 0.00 30.40 7.17 4.63 0.00 30.60 7.17 4.63 0.00 30.80 7.17 4.63 0.00 31.00 7.17 4.63 0.00 31.20 7.17 4.63 0.00 31.40 7.17 4.63 0.00 31.60 7.17 4.63 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 31.80 7.17 4.63 0.00 32.00 7.17 4.63 0.00 32.20 7.17 4.63 0.00 32.40 7.17 4.63 0.00 32.60 7.17 4.63 0.00 32.80 7.17 4.63 0.00 33.00 7.17 4.63 0.00 33.20 7.17 4.63 0.00 33.40 7.17 4.63 0.00 33.60 7.17 4.63 0.00 33.80 7.17 4.63 0.00 34.00 7.17 4.63 0.00 34.20 7.17 4.63 0.00 34.40 7.17 4.63 0.00 34.60 7.17 4.63 0.00 34.80 7.17 4.63 0.00 35.00 7.17 4.63 0.00 35.20 7.17 4.63 0.00 35.40 7.17 4.63 0.00 35.60 7.17 4.63 0.00 35.80 7.17 4.63 0.00 36.00 7.17 4.63 0.00 36.20 7.17 4.63 0.00 36.40 7.17 4.63 0.00 36.60 7.17 4.63 0.00 36.80 7.17 4.63 0.00 37.00 7.17 4.63 0.00 37.20 7.17 4.63 0.00 37.40 7.17 4.63 0.00 37.60 7.17 4.63 0.00 37.80 7.17 4.63 0.00 38.00 7.17 4.63 0.00 38.20 7.17 4.63 0.00 38.40 7.17 4.63 0.00 38.60 7.17 4.63 0.00 38.80 7.17 4.63 0.00 39.00 7.17 4.63 0.00 39.20 7.17 4.63 0.00 39.40 7.17 4.63 0.00 39.60 7.17 4.63 0.00 39.80 7.17 4.63 0.00 40.00 7.17 4.63 0.00 40.20 7.17 4.63 0.00 40.40 7.17 4.63 0.00 40.60 7.17 4.63 0.00 40.80 7.17 4.63 0.00 41.00 7.17 4.63 0.00 41.20 7.17 4.63 0.00 41.40 7.17 4.63 0.00 41.60 7.17 4.63 0.00 41.80 7.17 4.63 0.00 42.00 7.17 4.63 0.00 42.20 7.17 4.63 0.00 El Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 30 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 42.40 7.17 4.63 0.00 42.60 7.17 4.63 0.00 42.80 7.17 4.63 0.00 43.00 7.17 4.63 0.00 43.20 7.17 4.63 0.00 43.40 7.17 4.63 0.00 43.60 7.17 4.63 0.00 43.80 7.17 4.63 0.00 44.00 7.17 4.63 0.00 44.20 7.17 4.63 0.00 44.40 7.17 4.63 0.00 44.60 7.17 4.63 0.00 44.80 7.17 4.63 0.00 45.00 7.17 4.63 0.00 45.20 7.17 4.63 0.00 45.40 7.17 4.63 0.00 45.60 7.17 4.63 0.00 45.80 7.17 4.63 0.00 46.00 7.17 4.63 0.00 46.20 7.17 4.63 0.00 46.40 7.17 4.63 0.00 46.60 7.17 4.63 0.00 46.80 7.17 4.63 0.00 47.00 7.17 4.63 0.00 47.20 7.17 4.63 0.00 47.40 7.17 4.63 0.00 47.60 7.17 4.63 0.00 47.80 7.17 4.63 0.00 48.00 7.17 4.63 0.00 48.20 7.17 4.63 0.00 48.40 7.17 4.63 0.00 48.60 7.17 4.63 0.00 48.80 7.17 4.63 0.00 49.00 7.17 4.63 0.00 49.20 7.17 4.63 0.00 49.40 7.17 4.63 0.00 49.60 7.17 4.63 0.00 49.80 7.17 4.63 0.00 50.00 7.17 4.63 0.00 50.20 7.17 4.63 0.00 50.40 7.17 4.63 0.00 50.60 7.17 4.63 0.00 50.80 7.17 4.63 0.00 51.00 7.17 4.63 0.00 51.20 7.17 4.63 0.00 51.40 7.17 4.63 0.00 51.60 7.17 4.63 0.00 51.80 7.17 4.63 0.00 52.00 7.17 4.63 0.00 52.20 7.17 4.63 0.00 52.40 7.17 4.63 0.00 52.60 7.17 4.63 0.00 52.80 7.17 4.63 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 53.00 7.17 4.63 0.00 53.20 7.17 4.63 0.00 53.40 7.17 4.63 0.00 53.60 7.17 4.63 0.00 53.80 7.17 4.63 0.00 54.00 7.17 4.63 0.00 54.20 7.17 4.63 0.00 54.40 7.17 4.63 0.00 54.60 7.17 4.63 0.00 54.80 7.17 4.63 0.00 55.00 7.17 4.63 0.00 55.20 7.17 4.63 0.00 55.40 7.17 4.63 0.00 55.60 7.17 4.63 0.00 55.80 7.17 4.63 0.00 56.00 7.17 4.63 0.00 56.20 7.17 4.63 0.00 56.40 7.17 4.63 0.00 56.60 7.17 4.63 0.00 56.80 7.17 4.63 0.00 57.00 7.17 4.63 0.00 57.20 7.17 4.63 0.00 57.40 7.17 4.63 0.00 57.60 7.17 4.63 0.00 57.80 7.17 4.63 0.00 58.00 7.17 4.63 0.00 58.20 7.17 4.63 0.00 58.40 7.17 4.63 0.00 58.60 7.17 4.63 0.00 58.80 7.17 4.63 0.00 59.00 7.17 4.63 0.00 59.20 7.17 4.63 0.00 59.40 7.17 4.63 0.00 59.60 7.17 4.63 0.00 59.80 7.17 4.63 0.00 60.00 7.17 4.63 0.00 60.20 7.17 4.63 0.00 60.40 7.17 4.63 0.00 60.60 7.17 4.63 0.00 60.80 7.17 4.63 0.00 61.00 7.17 4.63 0.00 61.20 7.17 4.63 0.00 61.40 7.17 4.63 0.00 61.60 7.17 4.63 0.00 61.80 7.17 4.63 0.00 62.00 7.17 4.63 0.00 62.20 7.17 4.63 0.00 62.40 7.17 4.63 0.00 62.60 7.17 4.63 0.00 62.80 7.17 4.63 0.00 63.00 7.17 4.63 0.00 63.20 7.17 4.63 0.00 63.40 7.17 4.63 0.00 e1: Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 31 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 63.60 7.17 4.63 0.00 63.80 7.17 4.63 0.00 64.00 7.17 4.63 0.00 64.20 7.17 4.63 0.00 64.40 7.17 4.63 0.00 64.60 7.17 4.63 0.00 64.80 7.17 4.63 0.00 65.00 7.17 4.63 0.00 65.20 7.17 4.63 0.00 65.40 7.17 4.63 0.00 65.60 7.17 4.63 0.00 65.80 7.17 4.63 0.00 66.00 7.17 4.63 0.00 66.20 7.17 4.63 0.00 66.40 7.17 4.63 0.00 66.60 7.17 4.63 0.00 66.80 7.17 4.63 0.00 67.00 7.17 4.63 0.00 67.20 7.17 4.63 0.00 67.40 7.17 4.63 0.00 67.60 7.17 4.63 0.00 67.80 7.17 4.63 0.00 68.00 7.17 4.63 0.00 68.20 7.17 4.63 0.00 68.40 7.17 4.63 0.00 68.60 7.17 4.63 0.00 68.80 7.17 4.63 0.00 69.00 7.17 4.63 0.00 69.20 7.17 4.63 0.00 69.40 7.17 4.63 0.00 69.60 7.17 4.63 0.00 69.80 7.17 4.63 0.00 70.00 7.17 4.63 0.00 70.20 7.17 4.63 0.00 70.40 7.17 4.63 0.00 70.60 7.17 4.63 0.00 70.80 7.17 4.63 0.00 71.00 7.17 4.63 0.00 71.20 7.17 4.63 0.00 71.40 7.17 4.63 0.00 71.60 7.17 4.63 0.00 71.80 7.17 4.63 0.00 72.00 7.17 4.63 0.00 72.20 7.17 4.63 0.00 72.40 7.17 4.63 0.00 72.60 7.17 4.63 0.00 72.80 7.17 4.63 0.00 73.00 7.17 4.63 0.00 73.20 7.17 4.63 0.00 73.40 7.17 4.63 0.00 73.60 7.17 4.63 0.00 73.80 7.17 4.63 0.00 74.00 7.17 4.63 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 74.20 7.17 4.63 0.00 74.40 7.17 4.63 0.00 74.60 7.17 4.63 0.00 74.80 7.17 4.63 0.00 75.00 7.17 4.63 0.00 75.20 7.17 4.63 0.00 75.40 7.17 4.63 0.00 75.60 7.17 4.63 0.00 75.80 7.17 4.63 0.00 76.00 7.17 4.63 0.00 76.20 7.17 4.63 0.00 76.40 7.17 4.63 0.00 76.60 7.17 4.63 0.00 76.80 7.17 4.63 0.00 77.00 7.17 4.63 0.00 77.20 7.17 4.63 0.00 77.40 7.17 4.63 0.00 77.60 7.17 4.63 0.00 77.80 7.17 4.63 0.00 78.00 7.17 4.63 0.00 78.20 7.17 4.63 0.00 78.40 7.17 4.63 0.00 78.60 7.17 4.63 0.00 78.80 7.17 4.63 0.00 79.00 7.17 4.63 0.00 79.20 7.17 4.63 0.00 79.40 7.17 4.63 0.00 79.60 7.17 4.63 0.00 79.80 7.17 4.63 0.00 80.00 7.17 4.63 0.00 80.20 7.17 4.63 0.00 80.40 7.17 4.63 0.00 80.60 7.17 4.63 0.00 80.80 7.17 4.63 0.00 81.00 7.17 4.63 0.00 81.20 7.17 4.63 0.00 81.40 7.17 4.63 0.00 81.60 7.17 4.63 0.00 81.80 7.17 4.63 0.00 82.00 7.17 4.63 0.00 82.20 7.17 4.63 0.00 82.40 7.17 4.63 0.00 82.60 7.17 4.63 0.00 82.80 7.17 4.63 0.00 83.00 7.17 4.63 0.00 83.20 7.17 4.63 0.00 83.40 7.17 4.63 0.00 83.60 7.17 4.63 0.00 83.80 7.17 4.63 0.00 84.00 7.17 4.63 0.00 84.20 7.17 4.63 0.00 84.40 7.17 4.63 0.00 84.60 7.17 4.63 0.00 47 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 32 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 84.80 7.17 4.63 0.00 85.00 7.17 4.63 0.00 85.20 7.17 4.63 0.00 85.40 7.17 4.63 0.00 85.60 7.17 4.63 0.00 85.80 7.17 4.63 0.00 86.00 7.17 4.63 0.00 86.20 7.17 4.63 0.00 86.40 7.17 4.63 0.00 86.60 7.17 4.63 0.00 86.80 7.17 4.63 0.00 87.00 7.17 4.63 0.00 87.20 7.17 4.63 0.00 87.40 7.17 4.63 0.00 87.60 7.17 4.63 0.00 87.80 7.17 4.63 0.00 88.00 7.17 4.63 0.00 88.20 7.17 4.63 0.00 88.40 7.17 4.63 0.00 88.60 7.17 4.63 0.00 88.80 7.17 4.63 0.00 89.00 7.17 4.63 0.00 89.20 7.17 4.63 0.00 89.40 7.17 4.63 0.00 89.60 7.17 4.63 0.00 89.80 7.17 4.63 0.00 90.00 7.17 4.63 0.00 90.20 7.17 4.63 0.00 90.40 7.17 4.63 0.00 90.60 7.17 4.63 0.00 90.80 7.17 4.63 0.00 91.00 7.17 4.63 0.00 91.20 7.17 4.63 0.00 91.40 7.17 4.63 0.00 91.60 7.17 4.63 0.00 91.80 7.17 4.63 0.00 92.00 7.17 4.63 0.00 92.20 7.17 4.63 0.00 92.40 7.17 4.63 0.00 92.60 7.17 4.63 0.00 92.80 7.17 4.63 0.00 93.00 7.17 4.63 0.00 93.20 7.17 4.63 0.00 93.40 7.17 4.63 0.00 93.60 7.17 4.63 0.00 93.80 7.17 4.63 0.00 94.00 7.17 4.63 0.00 94.20 7.17 4.63 0.00 94.40 7.17 4.63 0.00 94.60 7.17 4.63 0.00 94.80 7.17 4.63 0.00 95.00 7.17 4.63 0.00 95.20 7.17 4.63 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 95.40 7.17 4.63 0.00 95.60 7.17 4.63 0.00 95.80 7.17 4.63 0.00 96.00 7.17 4.63 0.00 96.20 7.17 4.63 0.00 96.40 7.17 4.63 0.00 96.60 7.17 4.63 0.00 96.80 7.17 4.63 0.00 97.00 7.17 4.63 0.00 97.20 7.17 4.63 0.00 97.40 7.17 4.63 0.00 97.60 7.17 4.63 0.00 97.80 7.17 4.63 0.00 98.00 7.17 4.63 0.00 98.20 7.17 4.63 0.00 98.40 7.17 4.63 0.00 98.60 7.17 4.63 0.00 98.80 7.17 4.63 0.00 99.00 7.17 4.63 0.00 99.20 7.17 4.63 0.00 99.40 7.17 4.63 0.00 99.60 7.17 4.63 0.00 99.80 7.17 4.63 0.00 100.00 7.17 4.63 0.00 100.20 7.17 4.63 0.00 100.40 7.17 4.63 0.00 100.60 7.17 4.63 0.00 100.80 7.17 4.63 0.00 101.00 7.17 4.63 0.00 101.20 7.17 4.63 0.00 101.40 7.17 4.63 0.00 101.60 7.17 4.63 0.00 101.80 7.17 4.63 0.00 102.00 7.17 4.63 0.00 102.20 7.17 4.63 0.00 102.40 7.17 4.63 0.00 102.60 7.17 4.63 0.00 102.80 7.17 4.63 0.00 103.00 7.17 4.63 0.00 103.20 7.17 4.63 0.00 103.40 7.17 4.63 0.00 103.60 7.17 4.63 0.00 103.80 7.17 4.63 0.00 104.00 7.17 4.63 0.00 104.20 7.17 4.63 0.00 104.40 7.17 4.63 0.00 104.60 7.17 4.63 0.00 104.80 7.17 4.63 0.00 105.00 7.17 4.63 0.00 105.20 7.17 4.63 0.00 105.40 7.17 4.63 0.00 105.60 7.17 4.63 0.00 105.80 7.17 4.63 0.00 48 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 33 Hydrograph for Subcatchment PST: Drainage Area #1 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 106.00 7.17 4.63 0.00 106.20 7.17 4.63 0.00 106.40 7.17 4.63 0.00 106.60 7.17 4.63 0.00 106.80 7.17 4.63 0.00 107.00 7.17 4.63 0.00 107.20 7.17 4.63 0.00 107.40 7.17 4.63 0.00 107.60 7.17 4.63 0.00 107.80 7.17 4.63 0.00 108.00 7.17 4.63 0.00 108.20 7.17 4.63 0.00 108.40 7.17 4.63 0.00 108.60 7.17 4.63 0.00 108.80 7.17 4.63 0.00 109.00 7.17 4.63 0.00 109.20 7.17 4.63 0.00 109.40 7.17 4.63 0.00 109.60 7.17 4.63 0.00 109.80 7.17 4.63 0.00 110.00 7.17 4.63 0.00 110.20 7.17 4.63 0.00 110.40 7.17 4.63 0.00 110.60 7.17 4.63 0.00 110.80 7.17 4.63 0.00 111.00 7.17 4.63 0.00 111.20 7.17 4.63 0.00 111.40 7.17 4.63 0.00 111.60 7.17 4.63 0.00 111.80 7.17 4.63 0.00 112.00 7.17 4.63 0.00 112.20 7.17 4.63 0.00 112.40 7.17 4.63 0.00 112.60 7.17 4.63 0.00 112.80 7.17 4.63 0.00 113.00 7.17 4.63 0.00 113.20 7.17 4.63 0.00 113.40 7.17 4.63 0.00 113.60 7.17 4.63 0.00 113.80 7.17 4.63 0.00 114.00 7.17 4.63 0.00 114.20 7.17 4.63 0.00 114.40 7.17 4.63 0.00 114.60 7.17 4.63 0.00 114.80 7.17 4.63 0.00 115.00 7.17 4.63 0.00 115.20 7.17 4.63 0.00 115.40 7.17 4.63 0.00 115.60 7.17 4.63 0.00 115.80 7.17 4.63 0.00 116.00 7.17 4.63 0.00 116.20 7.17 4.63 0.00 116.40 7.17 4.63 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 116.60 7.17 4.63 0.00 116.80 7.17 4.63 0.00 117.00 7.17 4.63 0.00 117.20 7.17 4.63 0.00 117.40 7.17 4.63 0.00 117.60 7.17 4.63 0.00 117.80 7.17 4.63 0.00 118.00 7.17 4.63 0.00 118.20 7.17 4.63 0.00 118.40 7.17 4.63 0.00 118.60 7.17 4.63 0.00 118.80 7.17 4.63 0.00 119.00 7.17 4.63 0.00 119.20 7.17 4.63 0.00 119.40 7.17 4.63 0.00 119.60 7.17 4.63 0.00 119.80 7.17 4.63 0.00 120.00 7.17 4.63 0.00 El Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 34 Summary for Pond 1 P: Wet Pond 1 Inflow Area = 9.570 ac, 0.00% Impervious, Inflow Depth = 4.63" for 100-Year event Inflow = 79.81 cfs @ 11.96 hrs, Volume= 3.692 of Outflow = 60.23 cfs @ 12.01 hrs, Volume= 3.630 af, Atten= 25%, Lag= 3.2 min Primary = 58.59 cfs @ 12.01 hrs, Volume= 3.622 of Secondary = 1.64 cfs @ 12.01 hrs, Volume= 0.007 of Routing by Stor-Ind method, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Peak Elev= 715.60' @ 12.01 hrs Surf.Area= 20,350 sf Storage= 55,281 cf Plug -Flow detention time= 631.0 min calculated for 3.630 of (98% of inflow) Center -of -Mass det. time= 620.7 min ( 1,428.5 - 807.8 ) Volume Invert Avail.Storage Storage Description #1 712.50' 85,356 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 712.50 14,764 0 0 713.00 16,239 7,751 7,751 714.00 17,770 17,005 24,755 715.00 19,359 18,565 43,320 716.00 21,004 20,182 63,501 717.00 22,705 21,855 85,356 Device Routing Invert Outlet Devices #1 Primary 704.27' 24.0" Round Outfall Pipe L= 54.0' RCP, groove end w/headwall, Ke= 0.200 Inlet / Outlet Invert= 704.27' / 704.00' S= 0.0050 '/' Cc= 0.900 n= 0.012 Concrete pipe, finished, Flow Area= 3.14 sf #2 Device 1 712.50' 2.0" Vert. WQ Orifice C= 0.600 #3 Secondary 715.50' 20.0' long x 10.0' breadth Emergency Spillway Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 #4 Device 1 714.50' 48.0" x 48.0" Horiz. Top of Riser C= 0.600 Limited to weir flow at low heads Primary OutFlow Max=58.66 cfs @ 12.01 hrs HW=715.60' (Free Discharge) L1=Outfall Pipe (Barrel Controls 58.66 cfs @ 18.67 fps) 2=WQ Orifice (Passes < 0.18 cfs potential flow) 14=Top of Riser (Passes < 60.48 cfs potential flow) Secondary OutFlow Max=1.61 cfs @ 12.01 hrs HW=715.60' (Free Discharge) L3=Emergency Spillway (Weir Controls 1.61 cfs @ 0.79 fps) ti79 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 35 Pond 1 P: Wet Pond 1 Hydrograph OTSM � �� • e .• • e e • i� I� 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) 717 716 w w 715 c 0 w w 714 713 Pond 1 P: Wet Pond 1 Stage -Discharge 0 20 40 60 80 100 120 140 160 Discharge (cfs) ■ Total ■ Primary ■ Secondary 61 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 36 71 71 w w 71 c 0 w w If 71 Pond 1 P: Wet Pond 1 Stage -Area -Storage Surface/Horizontal/Wetted Area (sq-ft) 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 20,000 22,000 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 Storage (cubic -feet) Surface ❑ Storage bra Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 37 Hydrograph for Pond 1 P: Wet Pond 1 Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 0.00 0.00 0 712.50 0.00 0.00 0.00 0.50 0.00 0 712.50 0.00 0.00 0.00 1.00 0.00 0 712.50 0.00 0.00 0.00 1.50 0.00 0 712.50 0.00 0.00 0.00 2.00 0.00 0 712.50 0.00 0.00 0.00 2.50 0.00 0 712.50 0.00 0.00 0.00 3.00 0.00 0 712.50 0.00 0.00 0.00 3.50 0.00 0 712.50 0.00 0.00 0.00 4.00 0.00 0 712.50 0.00 0.00 0.00 4.50 0.00 0 712.50 0.00 0.00 0.00 5.00 0.00 0 712.50 0.00 0.00 0.00 5.50 0.00 0 712.50 0.00 0.00 0.00 6.00 0.00 0 712.50 0.00 0.00 0.00 6.50 0.06 52 712.50 0.00 0.00 0.00 7.00 0.12 212 712.51 0.00 0.00 0.00 7.50 0.19 490 712.53 0.00 0.00 0.00 8.00 0.26 892 712.56 0.01 0.01 0.00 8.50 0.40 1,457 712.60 0.01 0.01 0.00 9.00 0.58 2,288 712.65 0.03 0.03 0.00 9.50 0.70 3,385 712.72 0.04 0.04 0.00 10.00 0.97 4,778 712.81 0.05 0.05 0.00 10.50 1.44 6,822 712.94 0.06 0.06 0.00 11.00 2.28 9,988 713.14 0.08 0.08 0.00 11.50 4.31 15,563 713.47 0.10 0.10 0.00 12.00 67.59 55,108 715.59 59.79 58.33 1.46 12.50 6.21 39,288 714.79 8.33 8.33 0.00 13.00 3.90 37,359 714.69 4.44 4.44 0.00 13.50 2.97 36,682 714.65 3.27 3.27 0.00 14.00 2.34 36,227 714.63 2.57 2.57 0.00 14.50 2.08 35,969 714.61 2.17 2.17 0.00 15.00 1.87 35,806 714.61 1.96 1.96 0.00 15.50 1.66 35,642 714.60 1.75 1.75 0.00 16.00 1.45 35,477 714.59 1.54 1.54 0.00 16.50 1.36 35,362 714.58 1.40 1.40 0.00 17.00 1.28 35,298 714.58 1.32 1.32 0.00 17.50 1.21 35,238 714.58 1.24 1.24 0.00 18.00 1.13 35,179 714.57 1.16 1.16 0.00 18.50 1.05 35,117 714.57 1.09 1.09 0.00 19.00 0.98 35,040 714.56 1.02 1.02 0.00 19.50 0.90 34,957 714.56 0.95 0.95 0.00 20.00 0.82 34,873 714.56 0.87 0.87 0.00 20.50 0.80 34,815 714.55 0.82 0.82 0.00 21.00 0.79 34,790 714.55 0.80 0.80 0.00 21.50 0.77 34,772 714.55 0.78 0.78 0.00 22.00 0.76 34,755 714.55 0.76 0.76 0.00 22.50 0.74 34,739 714.55 0.75 0.75 0.00 23.00 0.73 34,722 714.55 0.73 0.73 0.00 23.50 0.71 34,706 714.55 0.72 0.72 0.00 24.00 0.70 34,689 714.55 0.70 0.70 0.00 24.50 0.00 34,076 714.51 0.25 0.25 0.00 25.00 0.00 33,755 714.50 0.15 0.15 0.00 25.50 0.00 33,494 714.48 0.14 0.14 0.00 26.00 0.00 33,234 714.47 0.14 0.14 0.00 53 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 38 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 26.50 0.00 32,975 714.45 0.14 0.14 0.00 27.00 0.00 32,717 714.44 0.14 0.14 0.00 27.50 0.00 32,460 714.43 0.14 0.14 0.00 28.00 0.00 32,204 714.41 0.14 0.14 0.00 28.50 0.00 31,949 714.40 0.14 0.14 0.00 29.00 0.00 31,695 714.38 0.14 0.14 0.00 29.50 0.00 31,441 714.37 0.14 0.14 0.00 30.00 0.00 31,189 714.36 0.14 0.14 0.00 30.50 0.00 30,938 714.34 0.14 0.14 0.00 31.00 0.00 30,688 714.33 0.14 0.14 0.00 31.50 0.00 30,438 714.32 0.14 0.14 0.00 32.00 0.00 30,190 714.30 0.14 0.14 0.00 32.50 0.00 29,942 714.29 0.14 0.14 0.00 33.00 0.00 29,696 714.27 0.14 0.14 0.00 33.50 0.00 29,451 714.26 0.14 0.14 0.00 34.00 0.00 29,206 714.25 0.14 0.14 0.00 34.50 0.00 28,963 714.23 0.13 0.13 0.00 35.00 0.00 28,720 714.22 0.13 0.13 0.00 35.50 0.00 28,479 714.21 0.13 0.13 0.00 36.00 0.00 28,238 714.19 0.13 0.13 0.00 36.50 0.00 27,999 714.18 0.13 0.13 0.00 37.00 0.00 27,760 714.17 0.13 0.13 0.00 37.50 0.00 27,523 714.15 0.13 0.13 0.00 38.00 0.00 27,286 714.14 0.13 0.13 0.00 38.50 0.00 27,051 714.13 0.13 0.13 0.00 39.00 0.00 26,816 714.12 0.13 0.13 0.00 39.50 0.00 26,583 714.10 0.13 0.13 0.00 40.00 0.00 26,350 714.09 0.13 0.13 0.00 40.50 0.00 26,119 714.08 0.13 0.13 0.00 41.00 0.00 25,888 714.06 0.13 0.13 0.00 41.50 0.00 25,659 714.05 0.13 0.13 0.00 42.00 0.00 25,430 714.04 0.13 0.13 0.00 42.50 0.00 25,203 714.03 0.13 0.13 0.00 43.00 0.00 24,976 714.01 0.13 0.13 0.00 43.50 0.00 24,750 714.00 0.13 0.13 0.00 44.00 0.00 24,526 713.99 0.12 0.12 0.00 44.50 0.00 24,302 713.97 0.12 0.12 0.00 45.00 0.00 24,080 713.96 0.12 0.12 0.00 45.50 0.00 23,858 713.95 0.12 0.12 0.00 46.00 0.00 23,638 713.94 0.12 0.12 0.00 46.50 0.00 23,418 713.92 0.12 0.12 0.00 47.00 0.00 23,200 713.91 0.12 0.12 0.00 47.50 0.00 22,982 713.90 0.12 0.12 0.00 48.00 0.00 22,766 713.89 0.12 0.12 0.00 48.50 0.00 22,551 713.88 0.12 0.12 0.00 49.00 0.00 22,336 713.86 0.12 0.12 0.00 49.50 0.00 22,123 713.85 0.12 0.12 0.00 50.00 0.00 21,910 713.84 0.12 0.12 0.00 50.50 0.00 21,699 713.83 0.12 0.12 0.00 51.00 0.00 21,489 713.81 0.12 0.12 0.00 51.50 0.00 21,280 713.80 0.12 0.12 0.00 52.00 0.00 21,071 713.79 0.12 0.12 0.00 52.50 0.00 20,864 713.78 0.11 0.11 0.00 54 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 39 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 53.00 0.00 20,658 713.77 0.11 0.11 0.00 53.50 0.00 20,453 713.76 0.11 0.11 0.00 54.00 0.00 20,248 713.74 0.11 0.11 0.00 54.50 0.00 20,045 713.73 0.11 0.11 0.00 55.00 0.00 19,843 713.72 0.11 0.11 0.00 55.50 0.00 19,642 713.71 0.11 0.11 0.00 56.00 0.00 19,442 713.70 0.11 0.11 0.00 56.50 0.00 19,243 713.69 0.11 0.11 0.00 57.00 0.00 19,045 713.67 0.11 0.11 0.00 57.50 0.00 18,848 713.66 0.11 0.11 0.00 58.00 0.00 18,652 713.65 0.11 0.11 0.00 58.50 0.00 18,457 713.64 0.11 0.11 0.00 59.00 0.00 18,263 713.63 0.11 0.11 0.00 59.50 0.00 18,071 713.62 0.11 0.11 0.00 60.00 0.00 17,879 713.61 0.11 0.11 0.00 60.50 0.00 17,688 713.60 0.11 0.11 0.00 61.00 0.00 17,498 713.58 0.11 0.11 0.00 61.50 0.00 17,310 713.57 0.10 0.10 0.00 62.00 0.00 17,122 713.56 0.10 0.10 0.00 62.50 0.00 16,936 713.55 0.10 0.10 0.00 63.00 0.00 16,750 713.54 0.10 0.10 0.00 63.50 0.00 16,566 713.53 0.10 0.10 0.00 64.00 0.00 16,382 713.52 0.10 0.10 0.00 64.50 0.00 16,200 713.51 0.10 0.10 0.00 65.00 0.00 16,019 713.50 0.10 0.10 0.00 65.50 0.00 15,838 713.49 0.10 0.10 0.00 66.00 0.00 15,659 713.48 0.10 0.10 0.00 66.50 0.00 15,481 713.47 0.10 0.10 0.00 67.00 0.00 15,304 713.46 0.10 0.10 0.00 67.50 0.00 15,128 713.44 0.10 0.10 0.00 68.00 0.00 14,953 713.43 0.10 0.10 0.00 68.50 0.00 14,779 713.42 0.10 0.10 0.00 69.00 0.00 14,606 713.41 0.10 0.10 0.00 69.50 0.00 14,434 713.40 0.10 0.10 0.00 70.00 0.00 14,264 713.39 0.09 0.09 0.00 70.50 0.00 14,094 713.38 0.09 0.09 0.00 71.00 0.00 13,925 713.37 0.09 0.09 0.00 71.50 0.00 13,758 713.36 0.09 0.09 0.00 72.00 0.00 13,591 713.35 0.09 0.09 0.00 72.50 0.00 13,426 713.34 0.09 0.09 0.00 73.00 0.00 13,262 713.33 0.09 0.09 0.00 73.50 0.00 13,098 713.32 0.09 0.09 0.00 74.00 0.00 12,936 713.31 0.09 0.09 0.00 74.50 0.00 12,775 713.30 0.09 0.09 0.00 75.00 0.00 12,615 713.30 0.09 0.09 0.00 75.50 0.00 12,456 713.29 0.09 0.09 0.00 76.00 0.00 12,298 713.28 0.09 0.09 0.00 76.50 0.00 12,141 713.27 0.09 0.09 0.00 77.00 0.00 11,985 713.26 0.09 0.09 0.00 77.50 0.00 11,831 713.25 0.09 0.09 0.00 78.00 0.00 11,677 713.24 0.09 0.09 0.00 78.50 0.00 11,524 713.23 0.08 0.08 0.00 79.00 0.00 11,373 713.22 0.08 0.08 0.00 ti-V Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 40 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 79.50 0.00 11,222 713.21 0.08 0.08 0.00 80.00 0.00 11,073 713.20 0.08 0.08 0.00 80.50 0.00 10,925 713.19 0.08 0.08 0.00 81.00 0.00 10,778 713.18 0.08 0.08 0.00 81.50 0.00 10,632 713.18 0.08 0.08 0.00 82.00 0.00 10,487 713.17 0.08 0.08 0.00 82.50 0.00 10,343 713.16 0.08 0.08 0.00 83.00 0.00 10,200 713.15 0.08 0.08 0.00 83.50 0.00 10,058 713.14 0.08 0.08 0.00 84.00 0.00 9,918 713.13 0.08 0.08 0.00 84.50 0.00 9,778 713.12 0.08 0.08 0.00 85.00 0.00 9,639 713.12 0.08 0.08 0.00 85.50 0.00 9,502 713.11 0.08 0.08 0.00 86.00 0.00 9,366 713.10 0.08 0.08 0.00 86.50 0.00 9,231 713.09 0.07 0.07 0.00 87.00 0.00 9,096 713.08 0.07 0.07 0.00 87.50 0.00 8,963 713.07 0.07 0.07 0.00 88.00 0.00 8,831 713.07 0.07 0.07 0.00 88.50 0.00 8,701 713.06 0.07 0.07 0.00 89.00 0.00 8,571 713.05 0.07 0.07 0.00 89.50 0.00 8,442 713.04 0.07 0.07 0.00 90.00 0.00 8,315 713.03 0.07 0.07 0.00 90.50 0.00 8,188 713.03 0.07 0.07 0.00 91.00 0.00 8,063 713.02 0.07 0.07 0.00 91.50 0.00 7,939 713.01 0.07 0.07 0.00 92.00 0.00 7,815 713.00 0.07 0.07 0.00 92.50 0.00 7,693 713.00 0.07 0.07 0.00 93.00 0.00 7,572 712.99 0.07 0.07 0.00 93.50 0.00 7,453 712.98 0.07 0.07 0.00 94.00 0.00 7,334 712.97 0.07 0.07 0.00 94.50 0.00 7,216 712.97 0.07 0.07 0.00 95.00 0.00 7,100 712.96 0.06 0.06 0.00 95.50 0.00 6,984 712.95 0.06 0.06 0.00 96.00 0.00 6,870 712.95 0.06 0.06 0.00 96.50 0.00 6,757 712.94 0.06 0.06 0.00 97.00 0.00 6,645 712.93 0.06 0.06 0.00 97.50 0.00 6,534 712.92 0.06 0.06 0.00 98.00 0.00 6,424 712.92 0.06 0.06 0.00 98.50 0.00 6,315 712.91 0.06 0.06 0.00 99.00 0.00 6,208 712.90 0.06 0.06 0.00 99.50 0.00 6,101 712.90 0.06 0.06 0.00 100.00 0.00 5,996 712.89 0.06 0.06 0.00 100.50 0.00 5,891 712.88 0.06 0.06 0.00 101.00 0.00 5,788 712.88 0.06 0.06 0.00 101.50 0.00 5,686 712.87 0.06 0.06 0.00 102.00 0.00 5,586 712.86 0.06 0.06 0.00 102.50 0.00 5,486 712.86 0.06 0.06 0.00 103.00 0.00 5,387 712.85 0.05 0.05 0.00 103.50 0.00 5,290 712.85 0.05 0.05 0.00 104.00 0.00 5,193 712.84 0.05 0.05 0.00 104.50 0.00 5,098 712.83 0.05 0.05 0.00 105.00 0.00 5,004 712.83 0.05 0.05 0.00 105.50 0.00 4,911 712.82 0.05 0.05 0.00 tiY: Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 41 Hydrograph for Pond 1 P: Wet Pond 1 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 106.00 0.00 4,819 712.82 0.05 0.05 0.00 106.50 0.00 4,729 712.81 0.05 0.05 0.00 107.00 0.00 4,639 712.80 0.05 0.05 0.00 107.50 0.00 4,551 712.80 0.05 0.05 0.00 108.00 0.00 4,464 712.79 0.05 0.05 0.00 108.50 0.00 4,378 712.79 0.05 0.05 0.00 109.00 0.00 4,293 712.78 0.05 0.05 0.00 109.50 0.00 4,209 712.78 0.05 0.05 0.00 110.00 0.00 4,126 712.77 0.05 0.05 0.00 110.50 0.00 4,045 712.77 0.04 0.04 0.00 111.00 0.00 3,964 712.76 0.04 0.04 0.00 111.50 0.00 3,885 712.76 0.04 0.04 0.00 112.00 0.00 3,807 712.75 0.04 0.04 0.00 112.50 0.00 3,731 712.75 0.04 0.04 0.00 113.00 0.00 3,655 712.74 0.04 0.04 0.00 113.50 0.00 3,580 712.74 0.04 0.04 0.00 114.00 0.00 3,507 712.73 0.04 0.04 0.00 114.50 0.00 3,435 712.73 0.04 0.04 0.00 115.00 0.00 3,364 712.72 0.04 0.04 0.00 115.50 0.00 3,294 712.72 0.04 0.04 0.00 116.00 0.00 3,225 712.71 0.04 0.04 0.00 116.50 0.00 3,157 712.71 0.04 0.04 0.00 117.00 0.00 3,091 712.71 0.04 0.04 0.00 117.50 0.00 3,026 712.70 0.04 0.04 0.00 118.00 0.00 2,962 712.70 0.04 0.04 0.00 118.50 0.00 2,899 712.69 0.03 0.03 0.00 119.00 0.00 2,838 712.69 0.03 0.03 0.00 119.50 0.00 2,777 712.68 0.03 0.03 0.00 120.00 0.00 2,717 712.68 0.03 0.03 0.00 57 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 42 Stage -Discharge for Pond 1 P: Wet Pond 1 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 712.50 0.00 0.00 0.00 712.51 0.00 0.00 0.00 712.52 0.00 0.00 0.00 712.53 0.00 0.00 0.00 712.54 0.00 0.00 0.00 712.55 0.00 0.00 0.00 712.56 0.01 0.01 0.00 712.57 0.01 0.01 0.00 712.58 0.01 0.01 0.00 712.59 0.01 0.01 0.00 712.60 0.01 0.01 0.00 712.61 0.02 0.02 0.00 712.62 0.02 0.02 0.00 712.63 0.02 0.02 0.00 712.64 0.02 0.02 0.00 712.65 0.03 0.03 0.00 712.66 0.03 0.03 0.00 712.67 0.03 0.03 0.00 712.68 0.03 0.03 0.00 712.69 0.03 0.03 0.00 712.70 0.04 0.04 0.00 712.71 0.04 0.04 0.00 712.72 0.04 0.04 0.00 712.73 0.04 0.04 0.00 712.74 0.04 0.04 0.00 712.75 0.04 0.04 0.00 712.76 0.04 0.04 0.00 712.77 0.05 0.05 0.00 712.78 0.05 0.05 0.00 712.79 0.05 0.05 0.00 712.80 0.05 0.05 0.00 712.81 0.05 0.05 0.00 712.82 0.05 0.05 0.00 712.83 0.05 0.05 0.00 712.84 0.05 0.05 0.00 712.85 0.05 0.05 0.00 712.86 0.06 0.06 0.00 712.87 0.06 0.06 0.00 712.88 0.06 0.06 0.00 712.89 0.06 0.06 0.00 712.90 0.06 0.06 0.00 712.91 0.06 0.06 0.00 712.92 0.06 0.06 0.00 712.93 0.06 0.06 0.00 712.94 0.06 0.06 0.00 712.95 0.06 0.06 0.00 712.96 0.06 0.06 0.00 712.97 0.07 0.07 0.00 712.98 0.07 0.07 0.00 712.99 0.07 0.07 0.00 713.00 0.07 0.07 0.00 713.01 0.07 0.07 0.00 713.02 0.07 0.07 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 713.03 0.07 0.07 0.00 713.04 0.07 0.07 0.00 713.05 0.07 0.07 0.00 713.06 0.07 0.07 0.00 713.07 0.07 0.07 0.00 713.08 0.07 0.07 0.00 713.09 0.07 0.07 0.00 713.10 0.08 0.08 0.00 713.11 0.08 0.08 0.00 713.12 0.08 0.08 0.00 713.13 0.08 0.08 0.00 713.14 0.08 0.08 0.00 713.15 0.08 0.08 0.00 713.16 0.08 0.08 0.00 713.17 0.08 0.08 0.00 713.18 0.08 0.08 0.00 713.19 0.08 0.08 0.00 713.20 0.08 0.08 0.00 713.21 0.08 0.08 0.00 713.22 0.08 0.08 0.00 713.23 0.08 0.08 0.00 713.24 0.09 0.09 0.00 713.25 0.09 0.09 0.00 713.26 0.09 0.09 0.00 713.27 0.09 0.09 0.00 713.28 0.09 0.09 0.00 713.29 0.09 0.09 0.00 713.30 0.09 0.09 0.00 713.31 0.09 0.09 0.00 713.32 0.09 0.09 0.00 713.33 0.09 0.09 0.00 713.34 0.09 0.09 0.00 713.35 0.09 0.09 0.00 713.36 0.09 0.09 0.00 713.37 0.09 0.09 0.00 713.38 0.09 0.09 0.00 713.39 0.09 0.09 0.00 713.40 0.09 0.09 0.00 713.41 0.10 0.10 0.00 713.42 0.10 0.10 0.00 713.43 0.10 0.10 0.00 713.44 0.10 0.10 0.00 713.45 0.10 0.10 0.00 713.46 0.10 0.10 0.00 713.47 0.10 0.10 0.00 713.48 0.10 0.10 0.00 713.49 0.10 0.10 0.00 713.50 0.10 0.10 0.00 713.51 0.10 0.10 0.00 713.52 0.10 0.10 0.00 713.53 0.10 0.10 0.00 713.54 0.10 0.10 0.00 713.55 0.10 0.10 0.00 58 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 43 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 713.56 0.10 0.10 0.00 713.57 0.10 0.10 0.00 713.58 0.10 0.10 0.00 713.59 0.11 0.11 0.00 713.60 0.11 0.11 0.00 713.61 0.11 0.11 0.00 713.62 0.11 0.11 0.00 713.63 0.11 0.11 0.00 713.64 0.11 0.11 0.00 713.65 0.11 0.11 0.00 713.66 0.11 0.11 0.00 713.67 0.11 0.11 0.00 713.68 0.11 0.11 0.00 713.69 0.11 0.11 0.00 713.70 0.11 0.11 0.00 713.71 0.11 0.11 0.00 713.72 0.11 0.11 0.00 713.73 0.11 0.11 0.00 713.74 0.11 0.11 0.00 713.75 0.11 0.11 0.00 713.76 0.11 0.11 0.00 713.77 0.11 0.11 0.00 713.78 0.11 0.11 0.00 713.79 0.12 0.12 0.00 713.80 0.12 0.12 0.00 713.81 0.12 0.12 0.00 713.82 0.12 0.12 0.00 713.83 0.12 0.12 0.00 713.84 0.12 0.12 0.00 713.85 0.12 0.12 0.00 713.86 0.12 0.12 0.00 713.87 0.12 0.12 0.00 713.88 0.12 0.12 0.00 713.89 0.12 0.12 0.00 713.90 0.12 0.12 0.00 713.91 0.12 0.12 0.00 713.92 0.12 0.12 0.00 713.93 0.12 0.12 0.00 713.94 0.12 0.12 0.00 713.95 0.12 0.12 0.00 713.96 0.12 0.12 0.00 713.97 0.12 0.12 0.00 713.98 0.12 0.12 0.00 713.99 0.12 0.12 0.00 714.00 0.13 0.13 0.00 714.01 0.13 0.13 0.00 714.02 0.13 0.13 0.00 714.03 0.13 0.13 0.00 714.04 0.13 0.13 0.00 714.05 0.13 0.13 0.00 714.06 0.13 0.13 0.00 714.07 0.13 0.13 0.00 714.08 0.13 0.13 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 714.09 0.13 0.13 0.00 714.10 0.13 0.13 0.00 714.11 0.13 0.13 0.00 714.12 0.13 0.13 0.00 714.13 0.13 0.13 0.00 714.14 0.13 0.13 0.00 714.15 0.13 0.13 0.00 714.16 0.13 0.13 0.00 714.17 0.13 0.13 0.00 714.18 0.13 0.13 0.00 714.19 0.13 0.13 0.00 714.20 0.13 0.13 0.00 714.21 0.13 0.13 0.00 714.22 0.13 0.13 0.00 714.23 0.13 0.13 0.00 714.24 0.14 0.14 0.00 714.25 0.14 0.14 0.00 714.26 0.14 0.14 0.00 714.27 0.14 0.14 0.00 714.28 0.14 0.14 0.00 714.29 0.14 0.14 0.00 714.30 0.14 0.14 0.00 714.31 0.14 0.14 0.00 714.32 0.14 0.14 0.00 714.33 0.14 0.14 0.00 714.34 0.14 0.14 0.00 714.35 0.14 0.14 0.00 714.36 0.14 0.14 0.00 714.37 0.14 0.14 0.00 714.38 0.14 0.14 0.00 714.39 0.14 0.14 0.00 714.40 0.14 0.14 0.00 714.41 0.14 0.14 0.00 714.42 0.14 0.14 0.00 714.43 0.14 0.14 0.00 714.44 0.14 0.14 0.00 714.45 0.14 0.14 0.00 714.46 0.14 0.14 0.00 714.47 0.14 0.14 0.00 714.48 0.14 0.14 0.00 714.49 0.15 0.15 0.00 714.50 0.15 0.15 0.00 714.51 0.20 0.20 0.00 714.52 0.29 0.29 0.00 714.53 0.42 0.42 0.00 714.54 0.57 0.57 0.00 714.55 0.73 0.73 0.00 714.56 0.92 0.92 0.00 714.57 1.12 1.12 0.00 714.58 1.33 1.33 0.00 714.59 1.56 1.56 0.00 714.60 1.80 1.80 0.00 714.61 2.06 2.06 0.00 ti Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 44 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 714.62 2.32 2.32 0.00 714.63 2.60 2.60 0.00 714.64 2.89 2.89 0.00 714.65 3.19 3.19 0.00 714.66 3.50 3.50 0.00 714.67 3.82 3.82 0.00 714.68 4.15 4.15 0.00 714.69 4.49 4.49 0.00 714.70 4.83 4.83 0.00 714.71 5.19 5.19 0.00 714.72 5.55 5.55 0.00 714.73 5.93 5.93 0.00 714.74 6.31 6.31 0.00 714.75 6.69 6.69 0.00 714.76 7.09 7.09 0.00 714.77 7.50 7.50 0.00 714.78 7.91 7.91 0.00 714.79 8.33 8.33 0.00 714.80 8.75 8.75 0.00 714.81 9.19 9.19 0.00 714.82 9.63 9.63 0.00 714.83 10.08 10.08 0.00 714.84 10.53 10.53 0.00 714.85 10.99 10.99 0.00 714.86 11.46 11.46 0.00 714.87 11.93 11.93 0.00 714.88 12.42 12.42 0.00 714.89 12.90 12.90 0.00 714.90 13.40 13.40 0.00 714.91 13.90 13.90 0.00 714.92 14.40 14.40 0.00 714.93 14.91 14.91 0.00 714.94 15.43 15.43 0.00 714.95 15.96 15.96 0.00 714.96 16.49 16.49 0.00 714.97 17.02 17.02 0.00 714.98 17.56 17.56 0.00 714.99 18.11 18.11 0.00 715.00 18.66 18.66 0.00 715.01 19.22 19.22 0.00 715.02 19.78 19.78 0.00 715.03 20.35 20.35 0.00 715.04 20.93 20.93 0.00 715.05 21.51 21.51 0.00 715.06 22.09 22.09 0.00 715.07 22.68 22.68 0.00 715.08 23.28 23.28 0.00 715.09 23.88 23.88 0.00 715.10 24.48 24.48 0.00 715.11 25.09 25.09 0.00 715.12 25.71 25.71 0.00 715.13 26.33 26.33 0.00 715.14 26.96 26.96 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 715.15 27.59 27.59 0.00 715.16 28.22 28.22 0.00 715.17 28.86 28.86 0.00 715.18 29.51 29.51 0.00 715.19 30.16 30.16 0.00 715.20 30.81 30.81 0.00 715.21 31.47 31.47 0.00 715.22 32.13 32.13 0.00 715.23 32.80 32.80 0.00 715.24 33.48 33.48 0.00 715.25 34.15 34.15 0.00 715.26 34.84 34.84 0.00 715.27 35.52 35.52 0.00 715.28 36.21 36.21 0.00 715.29 36.91 36.91 0.00 715.30 37.61 37.61 0.00 715.31 38.31 38.31 0.00 715.32 39.02 39.02 0.00 715.33 39.74 39.74 0.00 715.34 40.45 40.45 0.00 715.35 41.18 41.18 0.00 715.36 41.90 41.90 0.00 715.37 42.63 42.63 0.00 715.38 43.37 43.37 0.00 715.39 44.11 44.11 0.00 715.40 44.85 44.85 0.00 715.41 45.59 45.59 0.00 715.42 46.35 46.35 0.00 715.43 47.10 47.10 0.00 715.44 47.86 47.86 0.00 715.45 48.62 48.62 0.00 715.46 49.39 49.39 0.00 715.47 50.16 50.16 0.00 715.48 50.94 50.94 0.00 715.49 51.72 51.72 0.00 715.50 52.50 52.50 0.00 715.51 53.34 53.29 0.05 715.52 54.22 54.08 0.14 715.53 55.13 54.87 0.26 715.54 56.07 55.67 0.40 715.55 57.03 56.47 0.56 715.56 58.01 57.28 0.73 715.57 59.01 58.09 0.92 715.58 59.72 58.60 1.13 715.59 59.97 58.63 1.34 715.60 60.23 58.66 1.57 715.61 60.50 58.69 1.82 715.62 60.79 58.72 2.07 715.63 61.08 58.75 2.33 715.64 61.39 58.78 2.61 715.65 61.70 58.81 2.89 715.66 62.03 58.84 3.19 715.67 62.36 58.87 3.49 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 45 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 715.68 62.70 58.90 3.80 715.69 63.06 58.93 4.12 715.70 63.42 58.96 4.45 715.71 63.79 58.99 4.80 715.72 64.18 59.02 5.15 715.73 64.57 59.05 5.52 715.74 64.97 59.08 5.89 715.75 65.38 59.11 6.27 715.76 65.80 59.14 6.66 715.77 66.23 59.17 7.06 715.78 66.67 59.20 7.46 715.79 67.11 59.23 7.88 715.80 67.56 59.26 8.30 715.81 68.02 59.30 8.73 715.82 68.49 59.33 9.17 715.83 68.97 59.36 9.61 715.84 69.45 59.39 10.07 715.85 69.94 59.42 10.53 715.86 70.44 59.45 11.00 715.87 70.95 59.48 11.48 715.88 71.47 59.51 11.96 715.89 71.99 59.54 12.45 715.90 72.52 59.57 12.95 715.91 73.07 59.60 13.48 715.92 73.64 59.63 14.01 715.93 74.21 59.66 14.56 715.94 74.79 59.69 15.11 715.95 75.38 59.72 15.67 715.96 75.98 59.75 16.24 715.97 76.59 59.78 16.81 715.98 77.21 59.81 17.40 715.99 77.83 59.84 17.99 716.00 78.46 59.87 18.60 716.01 79.11 59.90 19.21 716.02 79.76 59.93 19.83 716.03 80.41 59.96 20.46 716.04 81.08 59.99 21.09 716.05 81.76 60.02 21.74 716.06 82.44 60.05 22.39 716.07 83.13 60.08 23.06 716.08 83.83 60.11 23.73 716.09 84.54 60.14 24.41 716.10 85.26 60.17 25.10 716.11 85.92 60.19 25.72 716.12 86.58 60.22 26.35 716.13 87.24 60.25 26.99 716.14 87.91 60.28 27.63 716.15 88.59 60.31 28.27 716.16 89.27 60.34 28.92 716.17 89.95 60.37 29.58 716.18 90.64 60.40 30.24 716.19 91.33 60.43 30.90 716.20 92.03 60.46 31.57 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 716.21 92.73 60.49 32.24 716.22 93.44 60.52 32.92 716.23 94.15 60.55 33.60 716.24 94.87 60.58 34.29 716.25 95.59 60.61 34.98 716.26 96.31 60.64 35.67 716.27 97.04 60.67 36.37 716.28 97.77 60.70 37.08 716.29 98.51 60.73 37.78 716.30 99.25 60.76 38.50 716.31 100.00 60.79 39.21 716.32 100.75 60.82 39.93 716.33 101.51 60.85 40.66 716.34 102.26 60.88 41.39 716.35 103.03 60.91 42.12 716.36 103.79 60.93 42.86 716.37 104.56 60.96 43.60 716.38 105.34 60.99 44.35 716.39 106.12 61.02 45.10 716.40 106.90 61.05 45.85 716.41 107.69 61.08 46.61 716.42 108.48 61.11 47.37 716.43 109.27 61.14 48.13 716.44 110.07 61.17 48.90 716.45 110.88 61.20 49.68 716.46 111.68 61.23 50.45 716.47 112.49 61.26 51.23 716.48 113.31 61.29 52.02 716.49 114.12 61.32 52.81 716.50 114.94 61.34 53.60 716.51 115.79 61.37 54.42 716.52 116.64 61.40 55.24 716.53 117.49 61.43 56.06 716.54 118.35 61.46 56.89 716.55 119.21 61.49 57.72 716.56 120.08 61.52 58.56 716.57 120.95 61.55 59.40 716.58 121.83 61.58 60.25 716.59 122.71 61.61 61.10 716.60 123.59 61.64 61.95 716.61 124.48 61.67 62.81 716.62 125.37 61.69 63.67 716.63 126.26 61.72 64.54 716.64 127.16 61.75 65.41 716.65 128.07 61.78 66.29 716.66 128.98 61.81 67.17 716.67 129.89 61.84 68.05 716.68 130.80 61.87 68.94 716.69 131.72 61.90 69.83 716.70 132.65 61.93 70.72 716.71 133.54 61.96 71.58 716.72 134.43 61.98 72.44 716.73 135.32 62.01 73.31 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 46 Stage -Discharge for Pond 1 P: Wet Pond 1 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 716.74 136.22 62.04 74.18 716.75 137.12 62.07 75.05 716.76 138.02 62.10 75.92 716.77 138.93 62.13 76.80 716.78 139.84 62.16 77.68 716.79 140.75 62.19 78.56 716.80 141.66 62.22 79.45 716.81 142.58 62.24 80.34 716.82 143.50 62.27 81.23 716.83 144.42 62.30 82.12 716.84 145.35 62.33 83.02 716.85 146.28 62.36 83.92 716.86 147.21 62.39 84.82 716.87 148.14 62.42 85.73 716.88 149.08 62.45 86.63 716.89 150.02 62.47 87.54 716.90 150.96 62.50 88.46 716.91 151.89 62.53 89.36 716.92 152.82 62.56 90.26 716.93 153.75 62.59 91.16 716.94 154.68 62.62 92.07 716.95 155.62 62.65 92.98 716.96 156.56 62.67 93.89 716.97 157.50 62.70 94.80 716.98 158.45 62.73 95.71 716.99 159.39 62.76 96.63 717.00 160.34 62.79 97.55 W Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 47 Stage -Area -Storage for Pond 1 P: Wet Pond 1 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 712.50 14,764 0 712.51 14,793 148 712.52 14,823 296 712.53 14,852 444 712.54 14,882 593 712.55 14,911 742 712.56 14,941 891 712.57 14,971 1,041 712.58 15,000 1,191 712.59 15,030 1,341 712.60 15,059 1,491 712.61 15,089 1,642 712.62 15,118 1,793 712.63 15,147 1,944 712.64 15,177 2,096 712.65 15,206 2,248 712.66 15,236 2,400 712.67 15,265 2,553 712.68 15,295 2,705 712.69 15,325 2,858 712.70 15,354 3,012 712.71 15,384 3,165 712.72 15,413 3,319 712.73 15,443 3,474 712.74 15,472 3,628 712.75 15,502 3,783 712.76 15,531 3,938 712.77 15,560 4,094 712.78 15,590 4,250 712.79 15,619 4,406 712.80 15,649 4,562 712.81 15,678 4,719 712.82 15,708 4,876 712.83 15,738 5,033 712.84 15,767 5,190 712.85 15,797 5,348 712.86 15,826 5,506 712.87 15,856 5,665 712.88 15,885 5,823 712.89 15,914 5,982 712.90 15,944 6,142 712.91 15,973 6,301 712.92 16,003 6,461 712.93 16,032 6,621 712.94 16,062 6,782 712.95 16,092 6,942 712.96 16,121 7,104 712.97 16,151 7,265 712.98 16,180 7,427 712.99 16,210 7,589 713.00 16,239 7,751 713.01 16,254 7,913 713.02 16,270 8,076 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 713.03 16,285 8,239 713.04 16,300 8,402 713.05 16,316 8,565 713.06 16,331 8,728 713.07 16,346 8,891 713.08 16,361 9,055 713.09 16,377 9,218 713.10 16,392 9,382 713.11 16,407 9,546 713.12 16,423 9,710 713.13 16,438 9,875 713.14 16,453 10,039 713.15 16,469 10,204 713.16 16,484 10,369 713.17 16,499 10,534 713.18 16,515 10,699 713.19 16,530 10,864 713.20 16,545 11,029 713.21 16,561 11,195 713.22 16,576 11,360 713.23 16,591 11,526 713.24 16,606 11,692 713.25 16,622 11,858 713.26 16,637 12,025 713.27 16,652 12,191 713.28 16,668 12,358 713.29 16,683 12,524 713.30 16,698 12,691 713.31 16,714 12,858 713.32 16,729 13,026 713.33 16,744 13,193 713.34 16,760 13,361 713.35 16,775 13,528 713.36 16,790 13,696 713.37 16,805 13,864 713.38 16,821 14,032 713.39 16,836 14,200 713.40 16,851 14,369 713.41 16,867 14,537 713.42 16,882 14,706 713.43 16,897 14,875 713.44 16,913 15,044 713.45 16,928 15,213 713.46 16,943 15,383 713.47 16,959 15,552 713.48 16,974 15,722 713.49 16,989 15,892 713.50 17,005 16,062 713.51 17,020 16,232 713.52 17,035 16,402 713.53 17,050 16,572 713.54 17,066 16,743 713.55 17,081 16,914 63 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 48 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 713.56 17,096 17,085 713.57 17,112 17,256 713.58 17,127 17,427 713.59 17,142 17,598 713.60 17,158 17,770 713.61 17,173 17,941 713.62 17,188 18,113 713.63 17,204 18,285 713.64 17,219 18,457 713.65 17,234 18,630 713.66 17,249 18,802 713.67 17,265 18,975 713.68 17,280 19,147 713.69 17,295 19,320 713.70 17,311 19,493 713.71 17,326 19,666 713.72 17,341 19,840 713.73 17,357 20,013 713.74 17,372 20,187 713.75 17,387 20,361 713.76 17,403 20,535 713.77 17,418 20,709 713.78 17,433 20,883 713.79 17,448 21,057 713.80 17,464 21,232 713.81 17,479 21,407 713.82 17,494 21,581 713.83 17,510 21,756 713.84 17,525 21,932 713.85 17,540 22,107 713.86 17,556 22,282 713.87 17,571 22,458 713.88 17,586 22,634 713.89 17,602 22,810 713.90 17,617 22,986 713.91 17,632 23,162 713.92 17,648 23,339 713.93 17,663 23,515 713.94 17,678 23,692 713.95 17,693 23,869 713.96 17,709 24,046 713.97 17,724 24,223 713.98 17,739 24,400 713.99 17,755 24,578 714.00 17,770 24,755 714.01 17,786 24,933 714.02 17,802 25,111 714.03 17,818 25,289 714.04 17,834 25,467 714.05 17,849 25,646 714.06 17,865 25,824 714.07 17,881 26,003 714.08 17,897 26,182 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 714.09 17,913 26,361 714.10 17,929 26,540 714.11 17,945 26,720 714.12 17,961 26,899 714.13 17,977 27,079 714.14 17,992 27,259 714.15 18,008 27,439 714.16 18,024 27,619 714.17 18,040 27,799 714.18 18,056 27,980 714.19 18,072 28,160 714.20 18,088 28,341 714.21 18,104 28,522 714.22 18,120 28,703 714.23 18,135 28,884 714.24 18,151 29,066 714.25 18,167 29,247 714.26 18,183 29,429 714.27 18,199 29,611 714.28 18,215 29,793 714.29 18,231 29,975 714.30 18,247 30,158 714.31 18,263 30,340 714.32 18,278 30,523 714.33 18,294 30,706 714.34 18,310 30,889 714.35 18,326 31,072 714.36 18,342 31,255 714.37 18,358 31,439 714.38 18,374 31,623 714.39 18,390 31,806 714.40 18,406 31,990 714.41 18,421 32,175 714.42 18,437 32,359 714.43 18,453 32,543 714.44 18,469 32,728 714.45 18,485 32,913 714.46 18,501 33,098 714.47 18,517 33,283 714.48 18,533 33,468 714.49 18,549 33,653 714.50 18,565 33,839 714.51 18,580 34,025 714.52 18,596 34,210 714.53 18,612 34,397 714.54 18,628 34,583 714.55 18,644 34,769 714.56 18,660 34,956 714.57 18,676 35,142 714.58 18,692 35,329 714.59 18,708 35,516 714.60 18,723 35,703 714.61 18,739 35,891 64 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 49 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 714.62 18,755 36,078 714.63 18,771 36,266 714.64 18,787 36,453 714.65 18,803 36,641 714.66 18,819 36,830 714.67 18,835 37,018 714.68 18,851 37,206 714.69 18,866 37,395 714.70 18,882 37,584 714.71 18,898 37,772 714.72 18,914 37,962 714.73 18,930 38,151 714.74 18,946 38,340 714.75 18,962 38,530 714.76 18,978 38,719 714.77 18,994 38,909 714.78 19,009 39,099 714.79 19,025 39,289 714.80 19,041 39,480 714.81 19,057 39,670 714.82 19,073 39,861 714.83 19,089 40,052 714.84 19,105 40,243 714.85 19,121 40,434 714.86 19,137 40,625 714.87 19,152 40,817 714.88 19,168 41,008 714.89 19,184 41,200 714.90 19,200 41,392 714.91 19,216 41,584 714.92 19,232 41,776 714.93 19,248 41,969 714.94 19,264 42,161 714.95 19,280 42,354 714.96 19,295 42,547 714.97 19,311 42,740 714.98 19,327 42,933 714.99 19,343 43,126 715.00 19,359 43,320 715.01 19,375 43,513 715.02 19,392 43,707 715.03 19,408 43,901 715.04 19,425 44,095 715.05 19,441 44,290 715.06 19,458 44,484 715.07 19,474 44,679 715.08 19,491 44,874 715.09 19,507 45,069 715.10 19,524 45,264 715.11 19,540 45,459 715.12 19,556 45,655 715.13 19,573 45,850 715.14 19,589 46,046 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 715.15 19,606 46,242 715.16 19,622 46,438 715.17 19,639 46,635 715.18 19,655 46,831 715.19 19,672 47,028 715.20 19,688 47,224 715.21 19,704 47,421 715.22 19,721 47,619 715.23 19,737 47,816 715.24 19,754 48,013 715.25 19,770 48,211 715.26 19,787 48,409 715.27 19,803 48,607 715.28 19,820 48,805 715.29 19,836 49,003 715.30 19,852 49,201 715.31 19,869 49,400 715.32 19,885 49,599 715.33 19,902 49,798 715.34 19,918 49,997 715.35 19,935 50,196 715.36 19,951 50,396 715.37 19,968 50,595 715.38 19,984 50,795 715.39 20,001 50,995 715.40 20,017 51,195 715.41 20,033 51,395 715.42 20,050 51,596 715.43 20,066 51,796 715.44 20,083 51,997 715.45 20,099 52,198 715.46 20,116 52,399 715.47 20,132 52,600 715.48 20,149 52,802 715.49 20,165 53,003 715.50 20,182 53,205 715.51 20,198 53,407 715.52 20,214 53,609 715.53 20,231 53,811 715.54 20,247 54,013 715.55 20,264 54,216 715.56 20,280 54,419 715.57 20,297 54,622 715.58 20,313 54,825 715.59 20,330 55,028 715.60 20,346 55,231 715.61 20,362 55,435 715.62 20,379 55,638 715.63 20,395 55,842 715.64 20,412 56,046 715.65 20,428 56,251 715.66 20,445 56,455 715.67 20,461 56,660 eW Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 50 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 715.68 20,478 56,864 715.69 20,494 57,069 715.70 20,511 57,274 715.71 20,527 57,479 715.72 20,543 57,685 715.73 20,560 57,890 715.74 20,576 58,096 715.75 20,593 58,302 715.76 20,609 58,508 715.77 20,626 58,714 715.78 20,642 58,920 715.79 20,659 59,127 715.80 20,675 59,333 715.81 20,691 59,540 715.82 20,708 59,747 715.83 20,724 59,954 715.84 20,741 60,162 715.85 20,757 60,369 715.86 20,774 60,577 715.87 20,790 60,785 715.88 20,807 60,993 715.89 20,823 61,201 715.90 20,839 61,409 715.91 20,856 61,618 715.92 20,872 61,826 715.93 20,889 62,035 715.94 20,905 62,244 715.95 20,922 62,453 715.96 20,938 62,662 715.97 20,955 62,872 715.98 20,971 63,081 715.99 20,988 63,291 716.00 21,004 63,501 716.01 21,021 63,711 716.02 21,038 63,922 716.03 21,055 64,132 716.04 21,072 64,343 716.05 21,089 64,554 716.06 21,106 64,765 716.07 21,123 64,976 716.08 21,140 65,187 716.09 21,157 65,398 716.10 21,174 65,610 716.11 21,191 65,822 716.12 21,208 66,034 716.13 21,225 66,246 716.14 21,242 66,458 716.15 21,259 66,671 716.16 21,276 66,884 716.17 21,293 67,097 716.18 21,310 67,310 716.19 21,327 67,523 716.20 21,344 67,736 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 716.21 21,361 67,950 716.22 21,378 68,163 716.23 21,395 68,377 716.24 21,412 68,591 716.25 21,429 68,805 716.26 21,446 69,020 716.27 21,463 69,234 716.28 21,480 69,449 716.29 21,497 69,664 716.30 21,514 69,879 716.31 21,531 70,094 716.32 21,548 70,310 716.33 21,565 70,525 716.34 21,582 70,741 716.35 21,599 70,957 716.36 21,616 71,173 716.37 21,633 71,389 716.38 21,650 71,606 716.39 21,667 71,822 716.40 21,684 72,039 716.41 21,701 72,256 716.42 21,718 72,473 716.43 21,735 72,690 716.44 21,752 72,908 716.45 21,769 73,125 716.46 21,786 73,343 716.47 21,803 73,561 716.48 21,820 73,779 716.49 21,837 73,997 716.50 21,855 74,216 716.51 21,872 74,435 716.52 21,889 74,653 716.53 21,906 74,872 716.54 21,923 75,091 716.55 21,940 75,311 716.56 21,957 75,530 716.57 21,974 75,750 716.58 21,991 75,970 716.59 22,008 76,190 716.60 22,025 76,410 716.61 22,042 76,630 716.62 22,059 76,851 716.63 22,076 77,071 716.64 22,093 77,292 716.65 22,110 77,513 716.66 22,127 77,734 716.67 22,144 77,956 716.68 22,161 78,177 716.69 22,178 78,399 716.70 22,195 78,621 716.71 22,212 78,843 716.72 22,229 79,065 716.73 22,246 79,287 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 51 Stage -Area -Storage for Pond 1 P: Wet Pond 1 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 716.74 22,263 79,510 716.75 22,280 79,733 716.76 22,297 79,956 716.77 22,314 80,179 716.78 22,331 80,402 716.79 22,348 80,625 716.80 22,365 80,849 716.81 22,382 81,073 716.82 22,399 81,296 716.83 22,416 81,520 716.84 22,433 81,745 716.85 22,450 81,969 716.86 22,467 82,194 716.87 22,484 82,418 716.88 22,501 82,643 716.89 22,518 82,868 716.90 22,535 83,094 716.91 22,552 83,319 716.92 22,569 83,545 716.93 22,586 83,771 716.94 22,603 83,997 716.95 22,620 84,223 716.96 22,637 84,449 716.97 22,654 84,675 716.98 22,671 84,902 716.99 22,688 85,129 717.00 22,705 85,356 67 ROJECT NO.: 08433-0001 BY: JCB + %)N "7JN4&CT 1ATE: 09/19/22 T.M.: JCB :EVISED: N/Al P.M.: JCB WET POND #2 CALCULATIONS WATER QUALITY REQUIREMENTS To meet the Water Quality requirements, the procedure outlined in the "Stormwater Best Management Practices" published by NCDENR will be used. This guide gives the required pond surface area and storage volume to meet an 85% pollutant removal efficiency. Also, the pond must detain the first 1" of rainfall and release this volume over a period of 2 to 5 days. Calculations for these requirements are as follows: SITE CHARACTERISTICS Drainage Area 1,260,626 fe Post -development impervious area 534,068 f? Post -development impervious percentage 42% Design rainfall depth 1.0 in �]to] :bTC34TL6]IL9MI:iHQkiM_\►J/_11:11:R Minimum volume required 44,962 ft' Volume provided 46,706 ft' ELEVATIONS Temporary pool elevation 676.60 fmsl Permanent pool elevation 675.50 fmsl Top of 6ft vegetated shelf elevation 676.00 fmsl Bottom of 6ft vegetated shelf elevation 675.00 fmsl Sediment storage provided 4.0 ft Additional volume stored above state -required temp. pool? Y SURFACE AREAS Temporary pool area 44,039 f? Permanent pool area REQUIRED 18,713 f? Permanent pool area PROVIDED 40,900 f? SA/DA ratio 1.48 Bottom of vegetated shelf area 39,495 f? Bottom of pond area 30,234 f? VOLUMES Temporary pool volume 46,706 ft' Permanent pool volume 142,133 ft' Forebay volume 27,341 ft' Forebay % of permanent pool volume 19.24% DRAWDOWN CALCULATIONS OK, volume provided is equal to or in excess of volume required. OK OK OK Drawdown through orifice? Y Diameter of orifice (if circular) 3.00 in Area of orifice 0.05 fe Coefficient of discharge (CD) 0.60 (unitless) Driving head (Ho) 0.37 ft Drawdown through weir? N Weir type N/A Coefficient of discharge (CW) N/A Length of weir (L) N/A ft Driving head (H) N/A ft Storage volume discharge rate (through discharge orifice) 0.14 ft'/sec Storage volume drawdown time 3.78 days OK, draws down in 2-5 days. 68 (2S Drainag Area #2 2P Wet Pond 2 Subcat Reach on Link Routing Diagram for Kerns Ridge Prepared by McKim & Creed, Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC MW Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 2 Summary for Subcatchment 2S: Drainage Area #2 Runoff = 53.93 cfs @ 11.97 hrs, Volume= 2.415 af, Depth= 1.00" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Type II 24-hr 1-inch Runoff Rainfall=2.66" Area (ac) CN Description 28.950 80 Weighted CN 28.950 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 2S: Drainage Area #2 Hydrograph 60 ■Runoff 53.93 cfs -- -- ------------ -- -- -- -- ----------------- -- - 55 ---- -- --------------- -- -- -- ---------- Type H-24hr_- So -- 1-inch Runoff Rainfall=Z66" 45 Runoff dre'a=28.I'950 ac --r- - ---r--r--r--r--r--r----r- -r--r--r--r--r--I---I--r--r--r--r--r-- 40 R'lunoff V61ume=2.415 of - -I----I----+---------------4--4--1-----I---------+--+--�-- N 35 IRnnoff Depthl=1 L00" V--�I-- -LI-- LI-- LI--�---�---�I---�I---�I--LI-- LI-- LI--�---�---�I---�I---�I---�I--=-----� --�--- 3 30 Te=5.0lmiln LL 25 CN=8I0 20 --r- iL +--r--r-------+--+--+--+15L--L--L--1---1---1--J--1--L--L--L--L-------L----L--L--L-- 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) Vitt Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 3 Hydrograph for Subcatchment 2S: Drainage Area #2 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 0.00 0.00 0.00 0.00 0.20 0.01 0.00 0.00 0.40 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.80 0.02 0.00 0.00 1.00 0.03 0.00 0.00 1.20 0.03 0.00 0.00 1.40 0.04 0.00 0.00 1.60 0.05 0.00 0.00 1.80 0.05 0.00 0.00 2.00 0.06 0.00 0.00 2.20 0.06 0.00 0.00 2.40 0.07 0.00 0.00 2.60 0.08 0.00 0.00 2.80 0.08 0.00 0.00 3.00 0.09 0.00 0.00 3.20 0.10 0.00 0.00 3.40 0.11 0.00 0.00 3.60 0.11 0.00 0.00 3.80 0.12 0.00 0.00 4.00 0.13 0.00 0.00 4.20 0.14 0.00 0.00 4.40 0.14 0.00 0.00 4.60 0.15 0.00 0.00 4.80 0.16 0.00 0.00 5.00 0.17 0.00 0.00 5.20 0.18 0.00 0.00 5.40 0.19 0.00 0.00 5.60 0.19 0.00 0.00 5.80 0.20 0.00 0.00 6.00 0.21 0.00 0.00 6.20 0.22 0.00 0.00 6.40 0.23 0.00 0.00 6.60 0.24 0.00 0.00 6.80 0.25 0.00 0.00 7.00 0.26 0.00 0.00 7.20 0.27 0.00 0.00 7.40 0.29 0.00 0.00 7.60 0.30 0.00 0.00 7.80 0.31 0.00 0.00 8.00 0.32 0.00 0.00 8.20 0.33 0.00 0.00 8.40 0.34 0.00 0.00 8.60 0.36 0.00 0.00 8.80 0.37 0.00 0.00 9.00 0.39 0.00 0.00 9.20 0.41 0.00 0.00 9.40 0.43 0.00 0.00 9.60 0.44 0.00 0.00 9.80 0.46 0.00 0.00 10.00 0.48 0.00 0.00 10.20 0.50 0.00 0.00 10.40 0.53 0.00 0.06 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 10.60 0.56 0.00 0.15 10.80 0.59 0.00 0.28 11.00 0.63 0.01 0.44 11.20 0.67 0.01 0.72 11.40 0.72 0.02 1.14 11.60 0.82 0.04 2.73 11.80 1.15 0.13 15.46 12.00 1.76 0.42 47.54 12.20 1.86 0.48 7.85 12.40 1.93 0.52 5.83 12.60 1.98 0.55 4.06 12.80 2.02 0.57 3.57 13.00 2.05 0.60 3.12 13.20 2.08 0.61 2.79 13.40 2.11 0.63 2.54 13.60 2.14 0.65 2.29 13.80 2.16 0.66 2.11 14.00 2.18 0.68 1.92 14.20 2.20 0.69 1.81 14.40 2.22 0.70 1.75 14.60 2.24 0.71 1.68 14.80 2.25 0.72 1.62 15.00 2.27 0.73 1.56 15.20 2.29 0.74 1.49 15.40 2.30 0.75 1.42 15.60 2.31 0.76 1.36 15.80 2.33 0.77 1.29 16.00 2.34 0.78 1.22 16.20 2.35 0.79 1.18 16.40 2.36 0.80 1.16 16.60 2.38 0.80 1.13 16.80 2.39 0.81 1.11 17.00 2.40 0.82 1.09 17.20 2.41 0.83 1.06 17.40 2.42 0.83 1.04 17.60 2.43 0.84 1.01 17.80 2.44 0.85 0.99 18.00 2.45 0.85 0.97 18.20 2.46 0.86 0.94 18.40 2.47 0.87 0.92 18.60 2.48 0.87 0.89 18.80 2.49 0.88 0.87 19.00 2.49 0.89 0.84 19.20 2.50 0.89 0.82 19.40 2.51 0.90 0.79 19.60 2.52 0.90 0.76 19.80 2.53 0.91 0.74 20.00 2.53 0.91 0.71 20.20 2.54 0.92 0.70 20.40 2.55 0.92 0.70 20.60 2.55 0.93 0.69 20.80 2.56 0.93 0.69 21.00 2.57 0.93 0.68 VA Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 4 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 21.20 2.57 0.94 0.68 21.40 2.58 0.94 0.67 21.60 2.59 0.95 0.67 21.80 2.59 0.95 0.66 22.00 2.60 0.96 0.66 22.20 2.61 0.96 0.65 22.40 2.61 0.97 0.65 22.60 2.62 0.97 0.64 22.80 2.62 0.98 0.64 23.00 2.63 0.98 0.63 23.20 2.64 0.98 0.63 23.40 2.64 0.99 0.62 23.60 2.65 0.99 0.62 23.80 2.65 1.00 0.62 24.00 2.66 1.00 0.61 24.20 2.66 1.00 0.01 24.40 2.66 1.00 0.00 24.60 2.66 1.00 0.00 24.80 2.66 1.00 0.00 25.00 2.66 1.00 0.00 25.20 2.66 1.00 0.00 25.40 2.66 1.00 0.00 25.60 2.66 1.00 0.00 25.80 2.66 1.00 0.00 26.00 2.66 1.00 0.00 26.20 2.66 1.00 0.00 26.40 2.66 1.00 0.00 26.60 2.66 1.00 0.00 26.80 2.66 1.00 0.00 27.00 2.66 1.00 0.00 27.20 2.66 1.00 0.00 27.40 2.66 1.00 0.00 27.60 2.66 1.00 0.00 27.80 2.66 1.00 0.00 28.00 2.66 1.00 0.00 28.20 2.66 1.00 0.00 28.40 2.66 1.00 0.00 28.60 2.66 1.00 0.00 28.80 2.66 1.00 0.00 29.00 2.66 1.00 0.00 29.20 2.66 1.00 0.00 29.40 2.66 1.00 0.00 29.60 2.66 1.00 0.00 29.80 2.66 1.00 0.00 30.00 2.66 1.00 0.00 30.20 2.66 1.00 0.00 30.40 2.66 1.00 0.00 30.60 2.66 1.00 0.00 30.80 2.66 1.00 0.00 31.00 2.66 1.00 0.00 31.20 2.66 1.00 0.00 31.40 2.66 1.00 0.00 31.60 2.66 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 31.80 2.66 1.00 0.00 32.00 2.66 1.00 0.00 32.20 2.66 1.00 0.00 32.40 2.66 1.00 0.00 32.60 2.66 1.00 0.00 32.80 2.66 1.00 0.00 33.00 2.66 1.00 0.00 33.20 2.66 1.00 0.00 33.40 2.66 1.00 0.00 33.60 2.66 1.00 0.00 33.80 2.66 1.00 0.00 34.00 2.66 1.00 0.00 34.20 2.66 1.00 0.00 34.40 2.66 1.00 0.00 34.60 2.66 1.00 0.00 34.80 2.66 1.00 0.00 35.00 2.66 1.00 0.00 35.20 2.66 1.00 0.00 35.40 2.66 1.00 0.00 35.60 2.66 1.00 0.00 35.80 2.66 1.00 0.00 36.00 2.66 1.00 0.00 36.20 2.66 1.00 0.00 36.40 2.66 1.00 0.00 36.60 2.66 1.00 0.00 36.80 2.66 1.00 0.00 37.00 2.66 1.00 0.00 37.20 2.66 1.00 0.00 37.40 2.66 1.00 0.00 37.60 2.66 1.00 0.00 37.80 2.66 1.00 0.00 38.00 2.66 1.00 0.00 38.20 2.66 1.00 0.00 38.40 2.66 1.00 0.00 38.60 2.66 1.00 0.00 38.80 2.66 1.00 0.00 39.00 2.66 1.00 0.00 39.20 2.66 1.00 0.00 39.40 2.66 1.00 0.00 39.60 2.66 1.00 0.00 39.80 2.66 1.00 0.00 40.00 2.66 1.00 0.00 40.20 2.66 1.00 0.00 40.40 2.66 1.00 0.00 40.60 2.66 1.00 0.00 40.80 2.66 1.00 0.00 41.00 2.66 1.00 0.00 41.20 2.66 1.00 0.00 41.40 2.66 1.00 0.00 41.60 2.66 1.00 0.00 41.80 2.66 1.00 0.00 42.00 2.66 1.00 0.00 42.20 2.66 1.00 0.00 I: Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 5 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 42.40 2.66 1.00 0.00 42.60 2.66 1.00 0.00 42.80 2.66 1.00 0.00 43.00 2.66 1.00 0.00 43.20 2.66 1.00 0.00 43.40 2.66 1.00 0.00 43.60 2.66 1.00 0.00 43.80 2.66 1.00 0.00 44.00 2.66 1.00 0.00 44.20 2.66 1.00 0.00 44.40 2.66 1.00 0.00 44.60 2.66 1.00 0.00 44.80 2.66 1.00 0.00 45.00 2.66 1.00 0.00 45.20 2.66 1.00 0.00 45.40 2.66 1.00 0.00 45.60 2.66 1.00 0.00 45.80 2.66 1.00 0.00 46.00 2.66 1.00 0.00 46.20 2.66 1.00 0.00 46.40 2.66 1.00 0.00 46.60 2.66 1.00 0.00 46.80 2.66 1.00 0.00 47.00 2.66 1.00 0.00 47.20 2.66 1.00 0.00 47.40 2.66 1.00 0.00 47.60 2.66 1.00 0.00 47.80 2.66 1.00 0.00 48.00 2.66 1.00 0.00 48.20 2.66 1.00 0.00 48.40 2.66 1.00 0.00 48.60 2.66 1.00 0.00 48.80 2.66 1.00 0.00 49.00 2.66 1.00 0.00 49.20 2.66 1.00 0.00 49.40 2.66 1.00 0.00 49.60 2.66 1.00 0.00 49.80 2.66 1.00 0.00 50.00 2.66 1.00 0.00 50.20 2.66 1.00 0.00 50.40 2.66 1.00 0.00 50.60 2.66 1.00 0.00 50.80 2.66 1.00 0.00 51.00 2.66 1.00 0.00 51.20 2.66 1.00 0.00 51.40 2.66 1.00 0.00 51.60 2.66 1.00 0.00 51.80 2.66 1.00 0.00 52.00 2.66 1.00 0.00 52.20 2.66 1.00 0.00 52.40 2.66 1.00 0.00 52.60 2.66 1.00 0.00 52.80 2.66 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 53.00 2.66 1.00 0.00 53.20 2.66 1.00 0.00 53.40 2.66 1.00 0.00 53.60 2.66 1.00 0.00 53.80 2.66 1.00 0.00 54.00 2.66 1.00 0.00 54.20 2.66 1.00 0.00 54.40 2.66 1.00 0.00 54.60 2.66 1.00 0.00 54.80 2.66 1.00 0.00 55.00 2.66 1.00 0.00 55.20 2.66 1.00 0.00 55.40 2.66 1.00 0.00 55.60 2.66 1.00 0.00 55.80 2.66 1.00 0.00 56.00 2.66 1.00 0.00 56.20 2.66 1.00 0.00 56.40 2.66 1.00 0.00 56.60 2.66 1.00 0.00 56.80 2.66 1.00 0.00 57.00 2.66 1.00 0.00 57.20 2.66 1.00 0.00 57.40 2.66 1.00 0.00 57.60 2.66 1.00 0.00 57.80 2.66 1.00 0.00 58.00 2.66 1.00 0.00 58.20 2.66 1.00 0.00 58.40 2.66 1.00 0.00 58.60 2.66 1.00 0.00 58.80 2.66 1.00 0.00 59.00 2.66 1.00 0.00 59.20 2.66 1.00 0.00 59.40 2.66 1.00 0.00 59.60 2.66 1.00 0.00 59.80 2.66 1.00 0.00 60.00 2.66 1.00 0.00 60.20 2.66 1.00 0.00 60.40 2.66 1.00 0.00 60.60 2.66 1.00 0.00 60.80 2.66 1.00 0.00 61.00 2.66 1.00 0.00 61.20 2.66 1.00 0.00 61.40 2.66 1.00 0.00 61.60 2.66 1.00 0.00 61.80 2.66 1.00 0.00 62.00 2.66 1.00 0.00 62.20 2.66 1.00 0.00 62.40 2.66 1.00 0.00 62.60 2.66 1.00 0.00 62.80 2.66 1.00 0.00 63.00 2.66 1.00 0.00 63.20 2.66 1.00 0.00 63.40 2.66 1.00 0.00 73 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 6 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 63.60 2.66 1.00 0.00 63.80 2.66 1.00 0.00 64.00 2.66 1.00 0.00 64.20 2.66 1.00 0.00 64.40 2.66 1.00 0.00 64.60 2.66 1.00 0.00 64.80 2.66 1.00 0.00 65.00 2.66 1.00 0.00 65.20 2.66 1.00 0.00 65.40 2.66 1.00 0.00 65.60 2.66 1.00 0.00 65.80 2.66 1.00 0.00 66.00 2.66 1.00 0.00 66.20 2.66 1.00 0.00 66.40 2.66 1.00 0.00 66.60 2.66 1.00 0.00 66.80 2.66 1.00 0.00 67.00 2.66 1.00 0.00 67.20 2.66 1.00 0.00 67.40 2.66 1.00 0.00 67.60 2.66 1.00 0.00 67.80 2.66 1.00 0.00 68.00 2.66 1.00 0.00 68.20 2.66 1.00 0.00 68.40 2.66 1.00 0.00 68.60 2.66 1.00 0.00 68.80 2.66 1.00 0.00 69.00 2.66 1.00 0.00 69.20 2.66 1.00 0.00 69.40 2.66 1.00 0.00 69.60 2.66 1.00 0.00 69.80 2.66 1.00 0.00 70.00 2.66 1.00 0.00 70.20 2.66 1.00 0.00 70.40 2.66 1.00 0.00 70.60 2.66 1.00 0.00 70.80 2.66 1.00 0.00 71.00 2.66 1.00 0.00 71.20 2.66 1.00 0.00 71.40 2.66 1.00 0.00 71.60 2.66 1.00 0.00 71.80 2.66 1.00 0.00 72.00 2.66 1.00 0.00 72.20 2.66 1.00 0.00 72.40 2.66 1.00 0.00 72.60 2.66 1.00 0.00 72.80 2.66 1.00 0.00 73.00 2.66 1.00 0.00 73.20 2.66 1.00 0.00 73.40 2.66 1.00 0.00 73.60 2.66 1.00 0.00 73.80 2.66 1.00 0.00 74.00 2.66 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 74.20 2.66 1.00 0.00 74.40 2.66 1.00 0.00 74.60 2.66 1.00 0.00 74.80 2.66 1.00 0.00 75.00 2.66 1.00 0.00 75.20 2.66 1.00 0.00 75.40 2.66 1.00 0.00 75.60 2.66 1.00 0.00 75.80 2.66 1.00 0.00 76.00 2.66 1.00 0.00 76.20 2.66 1.00 0.00 76.40 2.66 1.00 0.00 76.60 2.66 1.00 0.00 76.80 2.66 1.00 0.00 77.00 2.66 1.00 0.00 77.20 2.66 1.00 0.00 77.40 2.66 1.00 0.00 77.60 2.66 1.00 0.00 77.80 2.66 1.00 0.00 78.00 2.66 1.00 0.00 78.20 2.66 1.00 0.00 78.40 2.66 1.00 0.00 78.60 2.66 1.00 0.00 78.80 2.66 1.00 0.00 79.00 2.66 1.00 0.00 79.20 2.66 1.00 0.00 79.40 2.66 1.00 0.00 79.60 2.66 1.00 0.00 79.80 2.66 1.00 0.00 80.00 2.66 1.00 0.00 80.20 2.66 1.00 0.00 80.40 2.66 1.00 0.00 80.60 2.66 1.00 0.00 80.80 2.66 1.00 0.00 81.00 2.66 1.00 0.00 81.20 2.66 1.00 0.00 81.40 2.66 1.00 0.00 81.60 2.66 1.00 0.00 81.80 2.66 1.00 0.00 82.00 2.66 1.00 0.00 82.20 2.66 1.00 0.00 82.40 2.66 1.00 0.00 82.60 2.66 1.00 0.00 82.80 2.66 1.00 0.00 83.00 2.66 1.00 0.00 83.20 2.66 1.00 0.00 83.40 2.66 1.00 0.00 83.60 2.66 1.00 0.00 83.80 2.66 1.00 0.00 84.00 2.66 1.00 0.00 84.20 2.66 1.00 0.00 84.40 2.66 1.00 0.00 84.60 2.66 1.00 0.00 74 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 7 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 84.80 2.66 1.00 0.00 85.00 2.66 1.00 0.00 85.20 2.66 1.00 0.00 85.40 2.66 1.00 0.00 85.60 2.66 1.00 0.00 85.80 2.66 1.00 0.00 86.00 2.66 1.00 0.00 86.20 2.66 1.00 0.00 86.40 2.66 1.00 0.00 86.60 2.66 1.00 0.00 86.80 2.66 1.00 0.00 87.00 2.66 1.00 0.00 87.20 2.66 1.00 0.00 87.40 2.66 1.00 0.00 87.60 2.66 1.00 0.00 87.80 2.66 1.00 0.00 88.00 2.66 1.00 0.00 88.20 2.66 1.00 0.00 88.40 2.66 1.00 0.00 88.60 2.66 1.00 0.00 88.80 2.66 1.00 0.00 89.00 2.66 1.00 0.00 89.20 2.66 1.00 0.00 89.40 2.66 1.00 0.00 89.60 2.66 1.00 0.00 89.80 2.66 1.00 0.00 90.00 2.66 1.00 0.00 90.20 2.66 1.00 0.00 90.40 2.66 1.00 0.00 90.60 2.66 1.00 0.00 90.80 2.66 1.00 0.00 91.00 2.66 1.00 0.00 91.20 2.66 1.00 0.00 91.40 2.66 1.00 0.00 91.60 2.66 1.00 0.00 91.80 2.66 1.00 0.00 92.00 2.66 1.00 0.00 92.20 2.66 1.00 0.00 92.40 2.66 1.00 0.00 92.60 2.66 1.00 0.00 92.80 2.66 1.00 0.00 93.00 2.66 1.00 0.00 93.20 2.66 1.00 0.00 93.40 2.66 1.00 0.00 93.60 2.66 1.00 0.00 93.80 2.66 1.00 0.00 94.00 2.66 1.00 0.00 94.20 2.66 1.00 0.00 94.40 2.66 1.00 0.00 94.60 2.66 1.00 0.00 94.80 2.66 1.00 0.00 95.00 2.66 1.00 0.00 95.20 2.66 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 95.40 2.66 1.00 0.00 95.60 2.66 1.00 0.00 95.80 2.66 1.00 0.00 96.00 2.66 1.00 0.00 96.20 2.66 1.00 0.00 96.40 2.66 1.00 0.00 96.60 2.66 1.00 0.00 96.80 2.66 1.00 0.00 97.00 2.66 1.00 0.00 97.20 2.66 1.00 0.00 97.40 2.66 1.00 0.00 97.60 2.66 1.00 0.00 97.80 2.66 1.00 0.00 98.00 2.66 1.00 0.00 98.20 2.66 1.00 0.00 98.40 2.66 1.00 0.00 98.60 2.66 1.00 0.00 98.80 2.66 1.00 0.00 99.00 2.66 1.00 0.00 99.20 2.66 1.00 0.00 99.40 2.66 1.00 0.00 99.60 2.66 1.00 0.00 99.80 2.66 1.00 0.00 100.00 2.66 1.00 0.00 100.20 2.66 1.00 0.00 100.40 2.66 1.00 0.00 100.60 2.66 1.00 0.00 100.80 2.66 1.00 0.00 101.00 2.66 1.00 0.00 101.20 2.66 1.00 0.00 101.40 2.66 1.00 0.00 101.60 2.66 1.00 0.00 101.80 2.66 1.00 0.00 102.00 2.66 1.00 0.00 102.20 2.66 1.00 0.00 102.40 2.66 1.00 0.00 102.60 2.66 1.00 0.00 102.80 2.66 1.00 0.00 103.00 2.66 1.00 0.00 103.20 2.66 1.00 0.00 103.40 2.66 1.00 0.00 103.60 2.66 1.00 0.00 103.80 2.66 1.00 0.00 104.00 2.66 1.00 0.00 104.20 2.66 1.00 0.00 104.40 2.66 1.00 0.00 104.60 2.66 1.00 0.00 104.80 2.66 1.00 0.00 105.00 2.66 1.00 0.00 105.20 2.66 1.00 0.00 105.40 2.66 1.00 0.00 105.60 2.66 1.00 0.00 105.80 2.66 1.00 0.00 rAO Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 8 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 106.00 2.66 1.00 0.00 106.20 2.66 1.00 0.00 106.40 2.66 1.00 0.00 106.60 2.66 1.00 0.00 106.80 2.66 1.00 0.00 107.00 2.66 1.00 0.00 107.20 2.66 1.00 0.00 107.40 2.66 1.00 0.00 107.60 2.66 1.00 0.00 107.80 2.66 1.00 0.00 108.00 2.66 1.00 0.00 108.20 2.66 1.00 0.00 108.40 2.66 1.00 0.00 108.60 2.66 1.00 0.00 108.80 2.66 1.00 0.00 109.00 2.66 1.00 0.00 109.20 2.66 1.00 0.00 109.40 2.66 1.00 0.00 109.60 2.66 1.00 0.00 109.80 2.66 1.00 0.00 110.00 2.66 1.00 0.00 110.20 2.66 1.00 0.00 110.40 2.66 1.00 0.00 110.60 2.66 1.00 0.00 110.80 2.66 1.00 0.00 111.00 2.66 1.00 0.00 111.20 2.66 1.00 0.00 111.40 2.66 1.00 0.00 111.60 2.66 1.00 0.00 111.80 2.66 1.00 0.00 112.00 2.66 1.00 0.00 112.20 2.66 1.00 0.00 112.40 2.66 1.00 0.00 112.60 2.66 1.00 0.00 112.80 2.66 1.00 0.00 113.00 2.66 1.00 0.00 113.20 2.66 1.00 0.00 113.40 2.66 1.00 0.00 113.60 2.66 1.00 0.00 113.80 2.66 1.00 0.00 114.00 2.66 1.00 0.00 114.20 2.66 1.00 0.00 114.40 2.66 1.00 0.00 114.60 2.66 1.00 0.00 114.80 2.66 1.00 0.00 115.00 2.66 1.00 0.00 115.20 2.66 1.00 0.00 115.40 2.66 1.00 0.00 115.60 2.66 1.00 0.00 115.80 2.66 1.00 0.00 116.00 2.66 1.00 0.00 116.20 2.66 1.00 0.00 116.40 2.66 1.00 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 116.60 2.66 1.00 0.00 116.80 2.66 1.00 0.00 117.00 2.66 1.00 0.00 117.20 2.66 1.00 0.00 117.40 2.66 1.00 0.00 117.60 2.66 1.00 0.00 117.80 2.66 1.00 0.00 118.00 2.66 1.00 0.00 118.20 2.66 1.00 0.00 118.40 2.66 1.00 0.00 118.60 2.66 1.00 0.00 118.80 2.66 1.00 0.00 119.00 2.66 1.00 0.00 119.20 2.66 1.00 0.00 119.40 2.66 1.00 0.00 119.60 2.66 1.00 0.00 119.80 2.66 1.00 0.00 120.00 2.66 1.00 0.00 rc: Kerns Ridge Type 11 24-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 9 Summary for Pond 2P: Wet Pond 2 Inflow Area = 28.950 ac, 0.00% Impervious, Inflow Depth = 1.00" for 1-inch Runoff event Inflow = 53.93 cfs @ 11.97 hrs, Volume= 2.415 of Outflow = 1.65 cfs @ 14.71 hrs, Volume= 2.254 af, Atten= 97%, Lag= 164.9 min Primary = 1.65 cfs @ 14.71 hrs, Volume= 2.254 of Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Peak Elev= 677.08' @ 14.71 hrs Surf.Area= 45,407 sf Storage= 67,629 cf Plug -Flow detention time= 1,796.7 min calculated for 2.254 of (93% of inflow) Center -of -Mass det. time= 1,760.9 min ( 2,609.4 - 848.5 ) Volume Invert Avail.Storage Storage Description #1 675.50' 213,121 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 675.50 39,518 0 0 676.00 42,306 20,456 20,456 677.00 45,185 43,746 64,202 678.00 48,121 46,653 110,855 679.00 51,113 49,617 160,472 680.00 54,185 52,649 213,121 Device Routing Invert Outlet Devices #1 Primary 671.50' 42.0" Round Outfall Pipe L= 46.0' RCP, groove end w/headwall, Ke= 0.200 Inlet / Outlet Invert= 671.50' / 671.27' S= 0.0050 '/' Cc= 0.900 n= 0.012 Concrete pipe, finished, Flow Area= 9.62 sf #2 Device 1 675.50' 3.0" Vert. WQ Orifice C= 0.600 #3 Device 1 677.00' 60.0" x 60.0" Horiz. Top of Riser C= 0.600 Limited to weir flow at low heads #4 Secondary 678.50' 84.0' long x 10.0' breadth Emergency Spillway Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=1.65 cfs @ 14.71 hrs HW=677.08' (Free Discharge) L1=Outfall Pipe (Passes 1.65 cfs of 97.98 cfs potential flow) 2=WQ Orifice (Orifice Controls 0.28 cfs @ 5.80 fps) 13=Top of Riser (Weir Controls 1.36 cfs @ 0.90 fps) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=675.50' (Free Discharge) L4=Emergency Spillway ( Controls 0.00 cfs) 77 Kerns Ridge Type 11 24-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 10 Pond 2P: Wet Pond 2 Hydrograph 53.93 cfS r----+----7---- --I-- -,^-`ram,-,--r--I--+--I--+---I--I-- ■ Inflow En Outflow - - ------,-- --,-- ---------�� r I I �Vvv ��e-1=29.9 Vlat, - E Primary 60 ■Secondary 55 � 50 -II 11111111111 - - I J--L--1--1--1--1----1---- I I I I I I I I I --'L- - J--L--'-- I I I $tQrage-,6 c 45 40 -r- r--r----T-- --T----T----r --r-r--r-r--r----r--II--T--II--Y -- N 35 - - I --r----T----T---- I I I I --r- I I I I I --r-T--r-T--r----r----T----T-- I I I I I I I I I I I I V 3 30 ,, - - I I I -,--,I --,-- --,-- I I --,-- --,I - I I I I I I I --,I - --,I--,--,I--,--,I --,-- --,-- -- o- LL 25 - - - - - 20 15 10 1.65 cfs 0.00 cfs 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) 680 679 w w 678 c 0 w w 677 676 Pond 2P: Wet Pond 2 Stage -Discharge 0 50 100 150 200 250 300 350 400 450 500 550 Discharge (cfs) ■ Total ■ Primary ■ Secondary 78 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 11 Pond 2P: Wet Pond 2 Stage -Area -Storage Surface/Horizontal/Wetted Area (sq-ft) 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000 0 20,000 40,000 60,000 80,000 100,000 120,000 140,000 160,000 180,000 200,000 Storage (cubic -feet) Surface ❑ Storage 79 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 12 Hydrograph for Pond 2P: Wet Pond 2 Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 0.00 0.00 0 675.50 0.00 0.00 0.00 0.50 0.00 0 675.50 0.00 0.00 0.00 1.00 0.00 0 675.50 0.00 0.00 0.00 1.50 0.00 0 675.50 0.00 0.00 0.00 2.00 0.00 0 675.50 0.00 0.00 0.00 2.50 0.00 0 675.50 0.00 0.00 0.00 3.00 0.00 0 675.50 0.00 0.00 0.00 3.50 0.00 0 675.50 0.00 0.00 0.00 4.00 0.00 0 675.50 0.00 0.00 0.00 4.50 0.00 0 675.50 0.00 0.00 0.00 5.00 0.00 0 675.50 0.00 0.00 0.00 5.50 0.00 0 675.50 0.00 0.00 0.00 6.00 0.00 0 675.50 0.00 0.00 0.00 6.50 0.00 0 675.50 0.00 0.00 0.00 7.00 0.00 0 675.50 0.00 0.00 0.00 7.50 0.00 0 675.50 0.00 0.00 0.00 8.00 0.00 0 675.50 0.00 0.00 0.00 8.50 0.00 0 675.50 0.00 0.00 0.00 9.00 0.00 0 675.50 0.00 0.00 0.00 9.50 0.00 0 675.50 0.00 0.00 0.00 10.00 0.00 0 675.50 0.00 0.00 0.00 10.50 0.10 44 675.50 0.00 0.00 0.00 11.00 0.44 494 675.51 0.00 0.00 0.00 11.50 1.41 2,018 675.55 0.01 0.01 0.00 12.00 47.54 34,818 676.34 0.20 0.20 0.00 12.50 4.84 54,441 676.78 0.25 0.25 0.00 13.00 3.12 60,696 676.92 0.27 0.27 0.00 13.50 2.41 65,070 677.02 0.50 0.50 0.00 14.00 1.92 67,138 677.06 1.40 1.40 0.00 14.50 1.72 67,597 677.07 1.63 1.63 0.00 15.00 1.56 67,591 677.07 1.62 1.62 0.00 15.50 1.39 67,397 677.07 1.53 1.53 0.00 16.00 1.22 67,117 677.06 1.39 1.39 0.00 16.50 1.15 66,856 677.06 1.26 1.26 0.00 17.00 1.09 66,678 677.05 1.17 1.17 0.00 17.50 1.03 66,534 677.05 1.10 1.10 0.00 18.00 0.97 66,403 677.05 1.04 1.04 0.00 18.50 0.90 66,276 677.05 0.97 0.97 0.00 19.00 0.84 66,149 677.04 0.91 0.91 0.00 19.50 0.78 66,021 677.04 0.85 0.85 0.00 20.00 0.71 65,892 677.04 0.78 0.78 0.00 20.50 0.69 65,789 677.04 0.73 0.73 0.00 21.00 0.68 65,732 677.03 0.71 0.71 0.00 21.50 0.67 65,695 677.03 0.69 0.69 0.00 22.00 0.66 65,666 677.03 0.67 0.67 0.00 22.50 0.65 65,640 677.03 0.66 0.66 0.00 23.00 0.63 65,615 677.03 0.65 0.65 0.00 23.50 0.62 65,591 677.03 0.64 0.64 0.00 24.00 0.61 65,566 677.03 0.62 0.62 0.00 24.50 0.00 64,779 677.01 0.42 0.42 0.00 25.00 0.00 64,167 677.00 0.28 0.28 0.00 25.50 0.00 63,669 676.99 0.28 0.28 0.00 26.00 0.00 63,173 676.98 0.27 0.27 0.00 80 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 13 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 26.50 0.00 62,679 676.97 0.27 0.27 0.00 27.00 0.00 62,188 676.96 0.27 0.27 0.00 27.50 0.00 61,698 676.94 0.27 0.27 0.00 28.00 0.00 61,210 676.93 0.27 0.27 0.00 28.50 0.00 60,725 676.92 0.27 0.27 0.00 29.00 0.00 60,241 676.91 0.27 0.27 0.00 29.50 0.00 59,759 676.90 0.27 0.27 0.00 30.00 0.00 59,280 676.89 0.27 0.27 0.00 30.50 0.00 58,802 676.88 0.26 0.26 0.00 31.00 0.00 58,327 676.87 0.26 0.26 0.00 31.50 0.00 57,853 676.86 0.26 0.26 0.00 32.00 0.00 57,381 676.85 0.26 0.26 0.00 32.50 0.00 56,912 676.84 0.26 0.26 0.00 33.00 0.00 56,444 676.83 0.26 0.26 0.00 33.50 0.00 55,979 676.82 0.26 0.26 0.00 34.00 0.00 55,515 676.81 0.26 0.26 0.00 34.50 0.00 55,054 676.80 0.26 0.26 0.00 35.00 0.00 54,595 676.79 0.25 0.25 0.00 35.50 0.00 54,137 676.78 0.25 0.25 0.00 36.00 0.00 53,682 676.77 0.25 0.25 0.00 36.50 0.00 53,229 676.76 0.25 0.25 0.00 37.00 0.00 52,777 676.75 0.25 0.25 0.00 37.50 0.00 52,328 676.73 0.25 0.25 0.00 38.00 0.00 51,881 676.72 0.25 0.25 0.00 38.50 0.00 51,436 676.71 0.25 0.25 0.00 39.00 0.00 50,993 676.70 0.25 0.25 0.00 39.50 0.00 50,552 676.69 0.24 0.24 0.00 40.00 0.00 50,113 676.69 0.24 0.24 0.00 40.50 0.00 49,676 676.68 0.24 0.24 0.00 41.00 0.00 49,241 676.67 0.24 0.24 0.00 41.50 0.00 48,808 676.66 0.24 0.24 0.00 42.00 0.00 48,377 676.65 0.24 0.24 0.00 42.50 0.00 47,948 676.64 0.24 0.24 0.00 43.00 0.00 47,521 676.63 0.24 0.24 0.00 43.50 0.00 47,097 676.62 0.24 0.24 0.00 44.00 0.00 46,674 676.61 0.23 0.23 0.00 44.50 0.00 46,254 676.60 0.23 0.23 0.00 45.00 0.00 45,835 676.59 0.23 0.23 0.00 45.50 0.00 45,419 676.58 0.23 0.23 0.00 46.00 0.00 45,004 676.57 0.23 0.23 0.00 46.50 0.00 44,592 676.56 0.23 0.23 0.00 47.00 0.00 44,182 676.55 0.23 0.23 0.00 47.50 0.00 43,773 676.54 0.23 0.23 0.00 48.00 0.00 43,367 676.53 0.23 0.23 0.00 48.50 0.00 42,963 676.52 0.22 0.22 0.00 49.00 0.00 42,561 676.51 0.22 0.22 0.00 49.50 0.00 42,161 676.50 0.22 0.22 0.00 50.00 0.00 41,763 676.50 0.22 0.22 0.00 50.50 0.00 41,367 676.49 0.22 0.22 0.00 51.00 0.00 40,974 676.48 0.22 0.22 0.00 51.50 0.00 40,582 676.47 0.22 0.22 0.00 52.00 0.00 40,192 676.46 0.22 0.22 0.00 52.50 0.00 39,805 676.45 0.21 0.21 0.00 81 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 14 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 53.00 0.00 39,419 676.44 0.21 0.21 0.00 53.50 0.00 39,036 676.43 0.21 0.21 0.00 54.00 0.00 38,655 676.42 0.21 0.21 0.00 54.50 0.00 38,275 676.42 0.21 0.21 0.00 55.00 0.00 37,898 676.41 0.21 0.21 0.00 55.50 0.00 37,523 676.40 0.21 0.21 0.00 56.00 0.00 37,150 676.39 0.21 0.21 0.00 56.50 0.00 36,779 676.38 0.21 0.21 0.00 57.00 0.00 36,410 676.37 0.20 0.20 0.00 57.50 0.00 36,044 676.36 0.20 0.20 0.00 58.00 0.00 35,679 676.36 0.20 0.20 0.00 58.50 0.00 35,316 676.35 0.20 0.20 0.00 59.00 0.00 34,956 676.34 0.20 0.20 0.00 59.50 0.00 34,598 676.33 0.20 0.20 0.00 60.00 0.00 34,241 676.32 0.20 0.20 0.00 60.50 0.00 33,887 676.31 0.20 0.20 0.00 61.00 0.00 33,535 676.31 0.20 0.20 0.00 61.50 0.00 33,185 676.30 0.19 0.19 0.00 62.00 0.00 32,837 676.29 0.19 0.19 0.00 62.50 0.00 32,491 676.28 0.19 0.19 0.00 63.00 0.00 32,148 676.27 0.19 0.19 0.00 63.50 0.00 31,806 676.27 0.19 0.19 0.00 64.00 0.00 31,467 676.26 0.19 0.19 0.00 64.50 0.00 31,129 676.25 0.19 0.19 0.00 65.00 0.00 30,794 676.24 0.19 0.19 0.00 65.50 0.00 30,461 676.23 0.18 0.18 0.00 66.00 0.00 30,130 676.23 0.18 0.18 0.00 66.50 0.00 29,801 676.22 0.18 0.18 0.00 67.00 0.00 29,474 676.21 0.18 0.18 0.00 67.50 0.00 29,149 676.20 0.18 0.18 0.00 68.00 0.00 28,826 676.20 0.18 0.18 0.00 68.50 0.00 28,506 676.19 0.18 0.18 0.00 69.00 0.00 28,188 676.18 0.18 0.18 0.00 69.50 0.00 27,871 676.17 0.18 0.18 0.00 70.00 0.00 27,557 676.17 0.17 0.17 0.00 70.50 0.00 27,245 676.16 0.17 0.17 0.00 71.00 0.00 26,935 676.15 0.17 0.17 0.00 71.50 0.00 26,627 676.15 0.17 0.17 0.00 72.00 0.00 26,321 676.14 0.17 0.17 0.00 72.50 0.00 26,018 676.13 0.17 0.17 0.00 73.00 0.00 25,716 676.12 0.17 0.17 0.00 73.50 0.00 25,417 676.12 0.17 0.17 0.00 74.00 0.00 25,120 676.11 0.16 0.16 0.00 74.50 0.00 24,825 676.10 0.16 0.16 0.00 75.00 0.00 24,532 676.10 0.16 0.16 0.00 75.50 0.00 24,241 676.09 0.16 0.16 0.00 76.00 0.00 23,952 676.08 0.16 0.16 0.00 76.50 0.00 23,665 676.08 0.16 0.16 0.00 77.00 0.00 23,381 676.07 0.16 0.16 0.00 77.50 0.00 23,099 676.06 0.16 0.16 0.00 78.00 0.00 22,818 676.06 0.16 0.16 0.00 78.50 0.00 22,540 676.05 0.15 0.15 0.00 79.00 0.00 22,264 676.04 0.15 0.15 0.00 82 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 15 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 79.50 0.00 21,990 676.04 0.15 0.15 0.00 80.00 0.00 21,719 676.03 0.15 0.15 0.00 80.50 0.00 21,449 676.02 0.15 0.15 0.00 81.00 0.00 21,182 676.02 0.15 0.15 0.00 81.50 0.00 20,917 676.01 0.15 0.15 0.00 82.00 0.00 20,653 676.00 0.15 0.15 0.00 82.50 0.00 20,392 676.00 0.14 0.14 0.00 83.00 0.00 20,133 675.99 0.14 0.14 0.00 83.50 0.00 19,877 675.99 0.14 0.14 0.00 84.00 0.00 19,622 675.98 0.14 0.14 0.00 84.50 0.00 19,370 675.97 0.14 0.14 0.00 85.00 0.00 19,120 675.97 0.14 0.14 0.00 85.50 0.00 18,871 675.96 0.14 0.14 0.00 86.00 0.00 18,626 675.96 0.14 0.14 0.00 86.50 0.00 18,382 675.95 0.13 0.13 0.00 87.00 0.00 18,140 675.95 0.13 0.13 0.00 87.50 0.00 17,900 675.94 0.13 0.13 0.00 88.00 0.00 17,663 675.93 0.13 0.13 0.00 88.50 0.00 17,428 675.93 0.13 0.13 0.00 89.00 0.00 17,195 675.92 0.13 0.13 0.00 89.50 0.00 16,964 675.92 0.13 0.13 0.00 90.00 0.00 16,735 675.91 0.13 0.13 0.00 90.50 0.00 16,509 675.91 0.13 0.13 0.00 91.00 0.00 16,284 675.90 0.12 0.12 0.00 91.50 0.00 16,062 675.90 0.12 0.12 0.00 92.00 0.00 15,842 675.89 0.12 0.12 0.00 92.50 0.00 15,624 675.88 0.12 0.12 0.00 93.00 0.00 15,409 675.88 0.12 0.12 0.00 93.50 0.00 15,195 675.87 0.12 0.12 0.00 94.00 0.00 14,984 675.87 0.12 0.12 0.00 94.50 0.00 14,775 675.86 0.12 0.12 0.00 95.00 0.00 14,568 675.86 0.11 0.11 0.00 95.50 0.00 14,363 675.85 0.11 0.11 0.00 96.00 0.00 14,160 675.85 0.11 0.11 0.00 96.50 0.00 13,960 675.84 0.11 0.11 0.00 97.00 0.00 13,762 675.84 0.11 0.11 0.00 97.50 0.00 13,566 675.84 0.11 0.11 0.00 98.00 0.00 13,372 675.83 0.11 0.11 0.00 98.50 0.00 13,181 675.83 0.11 0.11 0.00 99.00 0.00 12,991 675.82 0.10 0.10 0.00 99.50 0.00 12,804 675.82 0.10 0.10 0.00 100.00 0.00 12,619 675.81 0.10 0.10 0.00 100.50 0.00 12,436 675.81 0.10 0.10 0.00 101.00 0.00 12,255 675.80 0.10 0.10 0.00 101.50 0.00 12,077 675.80 0.10 0.10 0.00 102.00 0.00 11,901 675.79 0.10 0.10 0.00 102.50 0.00 11,727 675.79 0.10 0.10 0.00 103.00 0.00 11,555 675.79 0.09 0.09 0.00 103.50 0.00 11,385 675.78 0.09 0.09 0.00 104.00 0.00 11,218 675.78 0.09 0.09 0.00 104.50 0.00 11,053 675.77 0.09 0.09 0.00 105.00 0.00 10,889 675.77 0.09 0.09 0.00 105.50 0.00 10,728 675.77 0.09 0.09 0.00 83 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 16 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 106.00 0.00 10,570 675.76 0.09 0.09 0.00 106.50 0.00 10,413 675.76 0.09 0.09 0.00 107.00 0.00 10,259 675.75 0.09 0.09 0.00 107.50 0.00 10,107 675.75 0.08 0.08 0.00 108.00 0.00 9,957 675.75 0.08 0.08 0.00 108.50 0.00 9,810 675.74 0.08 0.08 0.00 109.00 0.00 9,664 675.74 0.08 0.08 0.00 109.50 0.00 9,521 675.74 0.08 0.08 0.00 110.00 0.00 9,379 675.73 0.08 0.08 0.00 110.50 0.00 9,240 675.73 0.08 0.08 0.00 111.00 0.00 9,103 675.73 0.08 0.08 0.00 111.50 0.00 8,968 675.72 0.07 0.07 0.00 112.00 0.00 8,835 675.72 0.07 0.07 0.00 112.50 0.00 8,705 675.72 0.07 0.07 0.00 113.00 0.00 8,578 675.71 0.07 0.07 0.00 113.50 0.00 8,453 675.71 0.07 0.07 0.00 114.00 0.00 8,330 675.71 0.07 0.07 0.00 114.50 0.00 8,211 675.70 0.07 0.07 0.00 115.00 0.00 8,093 675.70 0.06 0.06 0.00 115.50 0.00 7,978 675.70 0.06 0.06 0.00 116.00 0.00 7,865 675.70 0.06 0.06 0.00 116.50 0.00 7,754 675.69 0.06 0.06 0.00 117.00 0.00 7,646 675.69 0.06 0.06 0.00 117.50 0.00 7,540 675.69 0.06 0.06 0.00 118.00 0.00 7,436 675.69 0.06 0.06 0.00 118.50 0.00 7,334 675.68 0.06 0.06 0.00 119.00 0.00 7,234 675.68 0.05 0.05 0.00 119.50 0.00 7,136 675.68 0.05 0.05 0.00 120.00 0.00 7,040 675.68 0.05 0.05 0.00 84 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 17 Stage -Discharge for Pond 2P: Wet Pond 2 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 675.50 0.00 0.00 0.00 675.51 0.00 0.00 0.00 675.52 0.00 0.00 0.00 675.53 0.00 0.00 0.00 675.54 0.00 0.00 0.00 675.55 0.01 0.01 0.00 675.56 0.01 0.01 0.00 675.57 0.01 0.01 0.00 675.58 0.01 0.01 0.00 675.59 0.02 0.02 0.00 675.60 0.02 0.02 0.00 675.61 0.02 0.02 0.00 675.62 0.03 0.03 0.00 675.63 0.03 0.03 0.00 675.64 0.04 0.04 0.00 675.65 0.04 0.04 0.00 675.66 0.05 0.05 0.00 675.67 0.05 0.05 0.00 675.68 0.05 0.05 0.00 675.69 0.06 0.06 0.00 675.70 0.06 0.06 0.00 675.71 0.07 0.07 0.00 675.72 0.07 0.07 0.00 675.73 0.08 0.08 0.00 675.74 0.08 0.08 0.00 675.75 0.08 0.08 0.00 675.76 0.09 0.09 0.00 675.77 0.09 0.09 0.00 675.78 0.09 0.09 0.00 675.79 0.10 0.10 0.00 675.80 0.10 0.10 0.00 675.81 0.10 0.10 0.00 675.82 0.10 0.10 0.00 675.83 0.11 0.11 0.00 675.84 0.11 0.11 0.00 675.85 0.11 0.11 0.00 675.86 0.11 0.11 0.00 675.87 0.12 0.12 0.00 675.88 0.12 0.12 0.00 675.89 0.12 0.12 0.00 675.90 0.12 0.12 0.00 675.91 0.13 0.13 0.00 675.92 0.13 0.13 0.00 675.93 0.13 0.13 0.00 675.94 0.13 0.13 0.00 675.95 0.13 0.13 0.00 675.96 0.14 0.14 0.00 675.97 0.14 0.14 0.00 675.98 0.14 0.14 0.00 675.99 0.14 0.14 0.00 676.00 0.14 0.14 0.00 676.01 0.15 0.15 0.00 676.02 0.15 0.15 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 676.03 0.15 0.15 0.00 676.04 0.15 0.15 0.00 676.05 0.15 0.15 0.00 676.06 0.16 0.16 0.00 676.07 0.16 0.16 0.00 676.08 0.16 0.16 0.00 676.09 0.16 0.16 0.00 676.10 0.16 0.16 0.00 676.11 0.16 0.16 0.00 676.12 0.17 0.17 0.00 676.13 0.17 0.17 0.00 676.14 0.17 0.17 0.00 676.15 0.17 0.17 0.00 676.16 0.17 0.17 0.00 676.17 0.17 0.17 0.00 676.18 0.18 0.18 0.00 676.19 0.18 0.18 0.00 676.20 0.18 0.18 0.00 676.21 0.18 0.18 0.00 676.22 0.18 0.18 0.00 676.23 0.18 0.18 0.00 676.24 0.19 0.19 0.00 676.25 0.19 0.19 0.00 676.26 0.19 0.19 0.00 676.27 0.19 0.19 0.00 676.28 0.19 0.19 0.00 676.29 0.19 0.19 0.00 676.30 0.19 0.19 0.00 676.31 0.20 0.20 0.00 676.32 0.20 0.20 0.00 676.33 0.20 0.20 0.00 676.34 0.20 0.20 0.00 676.35 0.20 0.20 0.00 676.36 0.20 0.20 0.00 676.37 0.20 0.20 0.00 676.38 0.21 0.21 0.00 676.39 0.21 0.21 0.00 676.40 0.21 0.21 0.00 676.41 0.21 0.21 0.00 676.42 0.21 0.21 0.00 676.43 0.21 0.21 0.00 676.44 0.21 0.21 0.00 676.45 0.21 0.21 0.00 676.46 0.22 0.22 0.00 676.47 0.22 0.22 0.00 676.48 0.22 0.22 0.00 676.49 0.22 0.22 0.00 676.50 0.22 0.22 0.00 676.51 0.22 0.22 0.00 676.52 0.22 0.22 0.00 676.53 0.22 0.22 0.00 676.54 0.23 0.23 0.00 676.55 0.23 0.23 0.00 85 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 18 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 676.56 0.23 0.23 0.00 676.57 0.23 0.23 0.00 676.58 0.23 0.23 0.00 676.59 0.23 0.23 0.00 676.60 0.23 0.23 0.00 676.61 0.23 0.23 0.00 676.62 0.24 0.24 0.00 676.63 0.24 0.24 0.00 676.64 0.24 0.24 0.00 676.65 0.24 0.24 0.00 676.66 0.24 0.24 0.00 676.67 0.24 0.24 0.00 676.68 0.24 0.24 0.00 676.69 0.24 0.24 0.00 676.70 0.25 0.25 0.00 676.71 0.25 0.25 0.00 676.72 0.25 0.25 0.00 676.73 0.25 0.25 0.00 676.74 0.25 0.25 0.00 676.75 0.25 0.25 0.00 676.76 0.25 0.25 0.00 676.77 0.25 0.25 0.00 676.78 0.25 0.25 0.00 676.79 0.26 0.26 0.00 676.80 0.26 0.26 0.00 676.81 0.26 0.26 0.00 676.82 0.26 0.26 0.00 676.83 0.26 0.26 0.00 676.84 0.26 0.26 0.00 676.85 0.26 0.26 0.00 676.86 0.26 0.26 0.00 676.87 0.26 0.26 0.00 676.88 0.26 0.26 0.00 676.89 0.27 0.27 0.00 676.90 0.27 0.27 0.00 676.91 0.27 0.27 0.00 676.92 0.27 0.27 0.00 676.93 0.27 0.27 0.00 676.94 0.27 0.27 0.00 676.95 0.27 0.27 0.00 676.96 0.27 0.27 0.00 676.97 0.27 0.27 0.00 676.98 0.28 0.28 0.00 676.99 0.28 0.28 0.00 677.00 0.28 0.28 0.00 677.01 0.34 0.34 0.00 677.02 0.46 0.46 0.00 677.03 0.62 0.62 0.00 677.04 0.80 0.80 0.00 677.05 1.01 1.01 0.00 677.06 1.24 1.24 0.00 677.07 1.50 1.50 0.00 677.08 1.76 1.76 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 677.09 2.05 2.05 0.00 677.10 2.36 2.36 0.00 677.11 2.67 2.67 0.00 677.12 3.01 3.01 0.00 677.13 3.36 3.36 0.00 677.14 3.72 3.72 0.00 677.15 4.09 4.09 0.00 677.16 4.48 4.48 0.00 677.17 4.88 4.88 0.00 677.18 5.29 5.29 0.00 677.19 5.71 5.71 0.00 677.20 6.15 6.15 0.00 677.21 6.59 6.59 0.00 677.22 7.05 7.05 0.00 677.23 7.51 7.51 0.00 677.24 7.99 7.99 0.00 677.25 8.48 8.48 0.00 677.26 8.97 8.97 0.00 677.27 9.48 9.48 0.00 677.28 9.99 9.99 0.00 677.29 10.52 10.52 0.00 677.30 11.05 11.05 0.00 677.31 11.59 11.59 0.00 677.32 12.15 12.15 0.00 677.33 12.71 12.71 0.00 677.34 13.28 13.28 0.00 677.35 13.85 13.85 0.00 677.36 14.44 14.44 0.00 677.37 15.03 15.03 0.00 677.38 15.63 15.63 0.00 677.39 16.24 16.24 0.00 677.40 16.86 16.86 0.00 677.41 17.49 17.49 0.00 677.42 18.12 18.12 0.00 677.43 18.76 18.76 0.00 677.44 19.41 19.41 0.00 677.45 20.06 20.06 0.00 677.46 20.72 20.72 0.00 677.47 21.39 21.39 0.00 677.48 22.07 22.07 0.00 677.49 22.75 22.75 0.00 677.50 23.45 23.45 0.00 677.51 24.14 24.14 0.00 677.52 24.85 24.85 0.00 677.53 25.56 25.56 0.00 677.54 26.28 26.28 0.00 677.55 27.00 27.00 0.00 677.56 27.74 27.74 0.00 677.57 28.47 28.47 0.00 677.58 29.22 29.22 0.00 677.59 29.97 29.97 0.00 677.60 30.73 30.73 0.00 677.61 31.49 31.49 0.00 86 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 19 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 677.62 32.26 32.26 0.00 677.63 33.04 33.04 0.00 677.64 33.82 33.82 0.00 677.65 34.61 34.61 0.00 677.66 35.40 35.40 0.00 677.67 36.20 36.20 0.00 677.68 37.01 37.01 0.00 677.69 37.82 37.82 0.00 677.70 38.64 38.64 0.00 677.71 39.47 39.47 0.00 677.72 40.30 40.30 0.00 677.73 41.13 41.13 0.00 677.74 41.98 41.98 0.00 677.75 42.82 42.82 0.00 677.76 43.68 43.68 0.00 677.77 44.54 44.54 0.00 677.78 45.40 45.40 0.00 677.79 46.27 46.27 0.00 677.80 47.15 47.15 0.00 677.81 48.03 48.03 0.00 677.82 48.91 48.91 0.00 677.83 49.80 49.80 0.00 677.84 50.70 50.70 0.00 677.85 51.60 51.60 0.00 677.86 52.51 52.51 0.00 677.87 53.43 53.43 0.00 677.88 54.34 54.34 0.00 677.89 55.27 55.27 0.00 677.90 56.20 56.20 0.00 677.91 57.13 57.13 0.00 677.92 58.07 58.07 0.00 677.93 59.01 59.01 0.00 677.94 59.96 59.96 0.00 677.95 60.92 60.92 0.00 677.96 61.88 61.88 0.00 677.97 62.84 62.84 0.00 677.98 63.81 63.81 0.00 677.99 64.78 64.78 0.00 678.00 65.76 65.76 0.00 678.01 66.75 66.75 0.00 678.02 67.74 67.74 0.00 678.03 68.73 68.73 0.00 678.04 69.73 69.73 0.00 678.05 70.73 70.73 0.00 678.06 71.74 71.74 0.00 678.07 72.76 72.76 0.00 678.08 73.77 73.77 0.00 678.09 74.80 74.80 0.00 678.10 75.82 75.82 0.00 678.11 76.86 76.86 0.00 678.12 77.89 77.89 0.00 678.13 78.93 78.93 0.00 678.14 79.98 79.98 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 678.15 81.03 81.03 0.00 678.16 82.08 82.08 0.00 678.17 83.14 83.14 0.00 678.18 84.21 84.21 0.00 678.19 85.28 85.28 0.00 678.20 86.35 86.35 0.00 678.21 87.43 87.43 0.00 678.22 88.51 88.51 0.00 678.23 89.60 89.60 0.00 678.24 90.69 90.69 0.00 678.25 91.78 91.78 0.00 678.26 92.88 92.88 0.00 678.27 93.99 93.99 0.00 678.28 95.09 95.09 0.00 678.29 96.21 96.21 0.00 678.30 97.32 97.32 0.00 678.31 98.45 98.45 0.00 678.32 99.57 99.57 0.00 678.33 100.70 100.70 0.00 678.34 101.84 101.84 0.00 678.35 102.97 102.97 0.00 678.36 104.12 104.12 0.00 678.37 105.26 105.26 0.00 678.38 106.41 106.41 0.00 678.39 107.57 107.57 0.00 678.40 108.73 108.73 0.00 678.41 109.89 109.89 0.00 678.42 111.06 111.06 0.00 678.43 112.23 112.23 0.00 678.44 113.41 113.41 0.00 678.45 114.59 114.59 0.00 678.46 115.77 115.77 0.00 678.47 116.96 116.96 0.00 678.48 118.15 118.15 0.00 678.49 119.35 119.35 0.00 678.50 120.55 120.55 0.00 678.51 121.96 121.75 0.21 678.52 123.55 122.96 0.59 678.53 125.26 124.17 1.09 678.54 126.96 125.29 1.67 678.55 127.79 125.46 2.34 678.56 128.70 125.62 3.07 678.57 129.66 125.79 3.87 678.58 130.69 125.95 4.73 678.59 131.77 126.12 5.65 678.60 132.90 126.28 6.61 678.61 134.08 126.45 7.63 678.62 135.31 126.61 8.69 678.63 136.58 126.78 9.80 678.64 137.90 126.94 10.96 678.65 139.26 127.10 12.15 678.66 140.65 127.27 13.39 678.67 142.09 127.43 14.66 87 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 20 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 678.68 143.57 127.60 15.97 678.69 145.08 127.76 17.32 678.70 146.63 127.92 18.71 678.71 148.24 128.08 20.16 678.72 149.89 128.25 21.64 678.73 151.58 128.41 23.17 678.74 153.30 128.57 24.73 678.75 155.06 128.73 26.33 678.76 156.86 128.89 27.96 678.77 158.69 129.06 29.63 678.78 160.55 129.22 31.34 678.79 162.46 129.38 33.08 678.80 164.39 129.54 34.85 678.81 166.36 129.70 36.66 678.82 168.36 129.86 38.50 678.83 170.39 130.02 40.38 678.84 172.46 130.18 42.28 678.85 174.56 130.34 44.22 678.86 176.69 130.50 46.19 678.87 178.86 130.66 48.20 678.88 181.05 130.82 50.23 678.89 183.28 130.98 52.30 678.90 185.54 131.14 54.40 678.91 187.90 131.29 56.61 678.92 190.30 131.45 58.85 678.93 192.74 131.61 61.13 678.94 195.22 131.77 63.45 678.95 197.73 131.93 65.80 678.96 200.28 132.08 68.19 678.97 202.86 132.24 70.62 678.98 205.48 132.40 73.08 678.99 208.13 132.56 75.57 679.00 210.82 132.71 78.11 679.01 213.55 132.87 80.68 679.02 216.31 133.03 83.28 679.03 219.11 133.18 85.92 679.04 221.94 133.34 88.60 679.05 224.81 133.50 91.31 679.06 227.71 133.65 94.06 679.07 230.65 133.81 96.84 679.08 233.62 133.96 99.66 679.09 236.63 134.12 102.52 679.10 239.68 134.27 105.41 679.11 242.46 134.43 108.03 679.12 245.26 134.58 110.68 679.13 248.09 134.74 113.35 679.14 250.93 134.89 116.04 679.15 253.79 135.05 118.74 679.16 256.67 135.20 121.47 679.17 259.57 135.35 124.22 679.18 262.50 135.51 126.99 679.19 265.44 135.66 129.78 679.20 268.40 135.82 132.58 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 679.21 271.38 135.97 135.41 679.22 274.37 136.12 138.25 679.23 277.39 136.27 141.12 679.24 280.43 136.43 144.00 679.25 283.48 136.58 146.90 679.26 286.55 136.73 149.82 679.27 289.64 136.88 152.76 679.28 292.75 137.04 155.72 679.29 295.88 137.19 158.69 679.30 299.02 137.34 161.68 679.31 302.19 137.49 164.69 679.32 305.36 137.64 167.72 679.33 308.56 137.79 170.77 679.34 311.78 137.94 173.83 679.35 315.01 138.10 176.91 679.36 318.26 138.25 180.01 679.37 321.52 138.40 183.12 679.38 324.80 138.55 186.26 679.39 328.10 138.70 189.40 679.40 331.42 138.85 192.57 679.41 334.75 139.00 195.75 679.42 338.10 139.15 198.95 679.43 341.46 139.30 202.16 679.44 344.84 139.45 205.40 679.45 348.24 139.59 208.64 679.46 351.65 139.74 211.91 679.47 355.08 139.89 215.19 679.48 358.52 140.04 218.48 679.49 361.98 140.19 221.79 679.50 365.46 140.34 225.12 679.51 369.03 140.49 228.55 679.52 372.63 140.63 231.99 679.53 376.24 140.78 235.46 679.54 379.87 140.93 238.94 679.55 383.52 141.08 242.44 679.56 387.18 141.23 245.96 679.57 390.87 141.37 249.49 679.58 394.57 141.52 253.04 679.59 398.28 141.67 256.62 679.60 402.02 141.81 260.20 679.61 405.77 141.96 263.81 679.62 409.54 142.11 267.43 679.63 413.33 142.25 271.07 679.64 417.13 142.40 274.73 679.65 420.95 142.55 278.40 679.66 424.79 142.69 282.10 679.67 428.64 142.84 285.80 679.68 432.51 142.98 289.53 679.69 436.40 143.13 293.27 679.70 440.31 143.27 297.03 679.71 444.06 143.42 300.64 679.72 447.83 143.57 304.26 679.73 451.61 143.71 307.90 88 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 21 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 679.74 455.40 143.85 311.54 679.75 459.20 144.00 315.20 679.76 463.02 144.14 318.87 679.77 466.84 144.29 322.56 679.78 470.68 144.43 326.25 679.79 474.54 144.58 329.96 679.80 478.40 144.72 333.68 679.81 482.28 144.86 337.41 679.82 486.16 145.01 341.15 679.83 490.06 145.15 344.91 679.84 493.97 145.29 348.68 679.85 497.89 145.44 352.46 679.86 501.83 145.58 356.25 679.87 505.77 145.72 360.05 679.88 509.73 145.87 363.86 679.89 513.69 146.01 367.68 679.90 517.67 146.15 371.52 679.91 521.59 146.29 375.30 679.92 525.52 146.44 379.08 679.93 529.46 146.58 382.88 679.94 533.41 146.72 386.68 679.95 537.36 146.86 390.50 679.96 541.33 147.00 394.32 679.97 545.30 147.15 398.16 679.98 549.29 147.29 402.00 679.99 553.28 147.43 405.85 680.00 557.28 147.57 409.71 89 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 22 Stage -Area -Storage for Pond 2P: Wet Pond 2 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 675.50 39,518 0 675.51 39,574 395 675.52 39,630 791 675.53 39,685 1,188 675.54 39,741 1,585 675.55 39,797 1,983 675.56 39,853 2,381 675.57 39,908 2,780 675.58 39,964 3,179 675.59 40,020 3,579 675.60 40,076 3,980 675.61 40,131 4,381 675.62 40,187 4,782 675.63 40,243 5,184 675.64 40,299 5,587 675.65 40,354 5,990 675.66 40,410 6,394 675.67 40,466 6,799 675.68 40,522 7,204 675.69 40,577 7,609 675.70 40,633 8,015 675.71 40,689 8,422 675.72 40,745 8,829 675.73 40,800 9,237 675.74 40,856 9,645 675.75 40,912 10,054 675.76 40,968 10,463 675.77 41,024 10,873 675.78 41,079 11,284 675.79 41,135 11,695 675.80 41,191 12,106 675.81 41,247 12,519 675.82 41,302 12,931 675.83 41,358 13,345 675.84 41,414 13,758 675.85 41,470 14,173 675.86 41,525 14,588 675.87 41,581 15,003 675.88 41,637 15,419 675.89 41,693 15,836 675.90 41,748 16,253 675.91 41,804 16,671 675.92 41,860 17,089 675.93 41,916 17,508 675.94 41,971 17,928 675.95 42,027 18,348 675.96 42,083 18,768 675.97 42,139 19,189 675.98 42,194 19,611 675.99 42,250 20,033 676.00 42,306 20,456 676.01 42,335 20,879 676.02 42,364 21,303 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 676.03 42,392 21,726 676.04 42,421 22,151 676.05 42,450 22,575 676.06 42,479 23,000 676.07 42,508 23,424 676.08 42,536 23,850 676.09 42,565 24,275 676.10 42,594 24,701 676.11 42,623 25,127 676.12 42,651 25,553 676.13 42,680 25,980 676.14 42,709 26,407 676.15 42,738 26,834 676.16 42,767 27,262 676.17 42,795 27,690 676.18 42,824 28,118 676.19 42,853 28,546 676.20 42,882 28,975 676.21 42,911 29,404 676.22 42,939 29,833 676.23 42,968 30,263 676.24 42,997 30,692 676.25 43,026 31,122 676.26 43,055 31,553 676.27 43,083 31,984 676.28 43,112 32,415 676.29 43,141 32,846 676.30 43,170 33,277 676.31 43,198 33,709 676.32 43,227 34,141 676.33 43,256 34,574 676.34 43,285 35,006 676.35 43,314 35,439 676.36 43,342 35,873 676.37 43,371 36,306 676.38 43,400 36,740 676.39 43,429 37,174 676.40 43,458 37,609 676.41 43,486 38,043 676.42 43,515 38,478 676.43 43,544 38,914 676.44 43,573 39,349 676.45 43,602 39,785 676.46 43,630 40,221 676.47 43,659 40,658 676.48 43,688 41,095 676.49 43,717 41,532 676.50 43,746 41,969 676.51 43,774 42,406 676.52 43,803 42,844 676.53 43,832 43,283 676.54 43,861 43,721 676.55 43,889 44,160 019 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 23 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 676.56 43,918 44,599 676.57 43,947 45,038 676.58 43,976 45,478 676.59 44,005 45,918 676.60 44,033 46,358 676.61 44,062 46,798 676.62 44,091 47,239 676.63 44,120 47,680 676.64 44,149 48,121 676.65 44,177 48,563 676.66 44,206 49,005 676.67 44,235 49,447 676.68 44,264 49,890 676.69 44,293 50,332 676.70 44,321 50,776 676.71 44,350 51,219 676.72 44,379 51,663 676.73 44,408 52,106 676.74 44,436 52,551 676.75 44,465 52,995 676.76 44,494 53,440 676.77 44,523 53,885 676.78 44,552 54,330 676.79 44,580 54,776 676.80 44,609 55,222 676.81 44,638 55,668 676.82 44,667 56,115 676.83 44,696 56,562 676.84 44,724 57,009 676.85 44,753 57,456 676.86 44,782 57,904 676.87 44,811 58,352 676.88 44,840 58,800 676.89 44,868 59,249 676.90 44,897 59,697 676.91 44,926 60,147 676.92 44,955 60,596 676.93 44,983 61,046 676.94 45,012 61,496 676.95 45,041 61,946 676.96 45,070 62,396 676.97 45,099 62,847 676.98 45,127 63,298 676.99 45,156 63,750 677.00 45,185 64,202 677.01 45,214 64,653 677.02 45,244 65,106 677.03 45,273 65,558 677.04 45,302 66,011 677.05 45,332 66,464 677.06 45,361 66,918 677.07 45,391 67,372 677.08 45,420 67,826 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 677.09 45,449 68,280 677.10 45,479 68,735 677.11 45,508 69,190 677.12 45,537 69,645 677.13 45,567 70,100 677.14 45,596 70,556 677.15 45,625 71,012 677.16 45,655 71,469 677.17 45,684 71,925 677.18 45,713 72,382 677.19 45,743 72,840 677.20 45,772 73,297 677.21 45,802 73,755 677.22 45,831 74,213 677.23 45,860 74,672 677.24 45,890 75,130 677.25 45,919 75,590 677.26 45,948 76,049 677.27 45,978 76,508 677.28 46,007 76,968 677.29 46,036 77,429 677.30 46,066 77,889 677.31 46,095 78,350 677.32 46,125 78,811 677.33 46,154 79,272 677.34 46,183 79,734 677.35 46,213 80,196 677.36 46,242 80,658 677.37 46,271 81,121 677.38 46,301 81,584 677.39 46,330 82,047 677.40 46,359 82,510 677.41 46,389 82,974 677.42 46,418 83,438 677.43 46,447 83,902 677.44 46,477 84,367 677.45 46,506 84,832 677.46 46,536 85,297 677.47 46,565 85,763 677.48 46,594 86,229 677.49 46,624 86,695 677.50 46,653 87,161 677.51 46,682 87,628 677.52 46,712 88,095 677.53 46,741 88,562 677.54 46,770 89,029 677.55 46,800 89,497 677.56 46,829 89,965 677.57 46,859 90,434 677.58 46,888 90,903 677.59 46,917 91,372 677.60 46,947 91,841 677.61 46,976 92,311 10 Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 24 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 677.62 47,005 92,780 677.63 47,035 93,251 677.64 47,064 93,721 677.65 47,093 94,192 677.66 47,123 94,663 677.67 47,152 95,134 677.68 47,181 95,606 677.69 47,211 96,078 677.70 47,240 96,550 677.71 47,270 97,023 677.72 47,299 97,496 677.73 47,328 97,969 677.74 47,358 98,442 677.75 47,387 98,916 677.76 47,416 99,390 677.77 47,446 99,864 677.78 47,475 100,339 677.79 47,504 100,814 677.80 47,534 101,289 677.81 47,563 101,765 677.82 47,593 102,240 677.83 47,622 102,716 677.84 47,651 103,193 677.85 47,681 103,669 677.86 47,710 104,146 677.87 47,739 104,624 677.88 47,769 105,101 677.89 47,798 105,579 677.90 47,827 106,057 677.91 47,857 106,536 677.92 47,886 107,014 677.93 47,915 107,493 677.94 47,945 107,973 677.95 47,974 108,452 677.96 48,004 108,932 677.97 48,033 109,412 677.98 48,062 109,893 677.99 48,092 110,373 678.00 48,121 110,855 678.01 48,151 111,336 678.02 48,181 111,818 678.03 48,211 112,299 678.04 48,241 112,782 678.05 48,271 113,264 678.06 48,301 113,747 678.07 48,330 114,230 678.08 48,360 114,714 678.09 48,390 115,198 678.10 48,420 115,682 678.11 48,450 116,166 678.12 48,480 116,651 678.13 48,510 117,136 678.14 48,540 117,621 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 678.15 48,570 118,106 678.16 48,600 118,592 678.17 48,630 119,078 678.18 48,660 119,565 678.19 48,689 120,051 678.20 48,719 120,539 678.21 48,749 121,026 678.22 48,779 121,514 678.23 48,809 122,001 678.24 48,839 122,490 678.25 48,869 122,978 678.26 48,899 123,467 678.27 48,929 123,956 678.28 48,959 124,446 678.29 48,989 124,935 678.30 49,019 125,425 678.31 49,049 125,916 678.32 49,078 126,406 678.33 49,108 126,897 678.34 49,138 127,389 678.35 49,168 127,880 678.36 49,198 128,372 678.37 49,228 128,864 678.38 49,258 129,357 678.39 49,288 129,849 678.40 49,318 130,342 678.41 49,348 130,836 678.42 49,378 131,329 678.43 49,408 131,823 678.44 49,437 132,317 678.45 49,467 132,812 678.46 49,497 133,307 678.47 49,527 133,802 678.48 49,557 134,297 678.49 49,587 134,793 678.50 49,617 135,289 678.51 49,647 135,785 678.52 49,677 136,282 678.53 49,707 136,779 678.54 49,737 137,276 678.55 49,767 137,774 678.56 49,797 138,271 678.57 49,826 138,770 678.58 49,856 139,268 678.59 49,886 139,767 678.60 49,916 140,266 678.61 49,946 140,765 678.62 49,976 141,265 678.63 50,006 141,764 678.64 50,036 142,265 678.65 50,066 142,765 678.66 50,096 143,266 678.67 50,126 143,767 OYA Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 25 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 678.68 50,156 144,269 678.69 50,185 144,770 678.70 50,215 145,272 678.71 50,245 145,775 678.72 50,275 146,277 678.73 50,305 146,780 678.74 50,335 147,283 678.75 50,365 147,787 678.76 50,395 148,291 678.77 50,425 148,795 678.78 50,455 149,299 678.79 50,485 149,804 678.80 50,515 150,309 678.81 50,545 150,814 678.82 50,574 151,320 678.83 50,604 151,826 678.84 50,634 152,332 678.85 50,664 152,838 678.86 50,694 153,345 678.87 50,724 153,852 678.88 50,754 154,359 678.89 50,784 154,867 678.90 50,814 155,375 678.91 50,844 155,883 678.92 50,874 156,392 678.93 50,904 156,901 678.94 50,933 157,410 678.95 50,963 157,920 678.96 50,993 158,429 678.97 51,023 158,939 678.98 51,053 159,450 678.99 51,083 159,961 679.00 51,113 160,472 679.01 51,144 160,983 679.02 51,174 161,494 679.03 51,205 162,006 679.04 51,236 162,518 679.05 51,267 163,031 679.06 51,297 163,544 679.07 51,328 164,057 679.08 51,359 164,570 679.09 51,389 165,084 679.10 51,420 165,598 679.11 51,451 166,113 679.12 51,482 166,627 679.13 51,512 167,142 679.14 51,543 167,657 679.15 51,574 168,173 679.16 51,605 168,689 679.17 51,635 169,205 679.18 51,666 169,722 679.19 51,697 170,238 679.20 51,727 170,756 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 679.21 51,758 171,273 679.22 51,789 171,791 679.23 51,820 172,309 679.24 51,850 172,827 679.25 51,881 173,346 679.26 51,912 173,865 679.27 51,942 174,384 679.28 51,973 174,904 679.29 52,004 175,423 679.30 52,035 175,944 679.31 52,065 176,464 679.32 52,096 176,985 679.33 52,127 177,506 679.34 52,157 178,027 679.35 52,188 178,549 679.36 52,219 179,071 679.37 52,250 179,594 679.38 52,280 180,116 679.39 52,311 180,639 679.40 52,342 181,162 679.41 52,373 181,686 679.42 52,403 182,210 679.43 52,434 182,734 679.44 52,465 183,259 679.45 52,495 183,783 679.46 52,526 184,308 679.47 52,557 184,834 679.48 52,588 185,360 679.49 52,618 185,886 679.50 52,649 186,412 679.51 52,680 186,939 679.52 52,710 187,466 679.53 52,741 187,993 679.54 52,772 188,520 679.55 52,803 189,048 679.56 52,833 189,576 679.57 52,864 190,105 679.58 52,895 190,634 679.59 52,925 191,163 679.60 52,956 191,692 679.61 52,987 192,222 679.62 53,018 192,752 679.63 53,048 193,282 679.64 53,079 193,813 679.65 53,110 194,344 679.66 53,141 194,875 679.67 53,171 195,407 679.68 53,202 195,939 679.69 53,233 196,471 679.70 53,263 197,003 679.71 53,294 197,536 679.72 53,325 198,069 679.73 53,356 198,603 ON] Kerns Ridge Type 1124-hr 1-inch Runoff Rainfall=2.66" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 26 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 679.74 53,386 199,136 679.75 53,417 199,670 679.76 53,448 200,205 679.77 53,478 200,739 679.78 53,509 201,274 679.79 53,540 201,809 679.80 53,571 202,345 679.81 53,601 202,881 679.82 53,632 203,417 679.83 53,663 203,953 679.84 53,693 204,490 679.85 53,724 205,027 679.86 53,755 205,565 679.87 53,786 206,102 679.88 53,816 206,640 679.89 53,847 207,179 679.90 53,878 207,717 679.91 53,909 208,256 679.92 53,939 208,796 679.93 53,970 209,335 679.94 54,001 209,875 679.95 54,031 210,415 679.96 54,062 210,956 679.97 54,093 211,496 679.98 54,124 212,037 679.99 54,154 212,579 680.00 54,185 213,121 Oil! Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 27 Summary for Subcatchment 2S: Drainage Area #2 Runoff = 250.75 cfs @ 11.96 hrs, Volume= 11.704 af, Depth= 4.85" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Type II 24-hr 100-Year Rainfall=7.17" Area (ac) CN Description 28.950 80 Weighted CN 28.950 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, Subcatchment 2S: Drainage Area #2 Hydrograph --r -r-r--r--r--r--r----r--r--r--r----------r--r--r--r--r----r--r-- 280 �� -- �--- �---�---�---�-- �� -- �� -- �---�---�---�-- ��-- �---�---�---�---�-- �, -- �, -- ■Runoff 260 250.75 cfs ---- - -- - - --; ---- -- - - --; ---- -- - - �Yp 111 =fir 240 I I I I I I 1 ---- - -- -- -- -- ---- -- -- -' t -101 -4--�-- 220 1,00-Y,ea�,r ainfall=7.17"- --r- -+--+--+--r--r----+--+--+--r--r--I-----+--+--r--r-------+--+-- 200 Runoff (Area=28.950 arc 180 Ru'bbff Vblutn6=11.704 alf w 160 ' ---J--1--1--L--L----J----1--L--1------ �RWnoff Depth:;4.85!' - 3 140 FL 120 ' -r- r--r--r--r--r----r--r--r--r----------r--r--r--r-- (-i_N=8Q - 100 Y 80 60 40 -r- r--r--t--r--r----r--r--t--r----------r--t--r--r-------r--t-- 20 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) OR Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 28 Hydrograph for Subcatchment 2S: Drainage Area #2 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 0.00 0.00 0.00 0.00 0.20 0.01 0.00 0.00 0.40 0.03 0.00 0.00 0.60 0.04 0.00 0.00 0.80 0.06 0.00 0.00 1.00 0.08 0.00 0.00 1.20 0.09 0.00 0.00 1.40 0.11 0.00 0.00 1.60 0.12 0.00 0.00 1.80 0.14 0.00 0.00 2.00 0.16 0.00 0.00 2.20 0.18 0.00 0.00 2.40 0.19 0.00 0.00 2.60 0.21 0.00 0.00 2.80 0.23 0.00 0.00 3.00 0.25 0.00 0.00 3.20 0.27 0.00 0.00 3.40 0.29 0.00 0.00 3.60 0.30 0.00 0.00 3.80 0.32 0.00 0.00 4.00 0.34 0.00 0.00 4.20 0.36 0.00 0.00 4.40 0.39 0.00 0.00 4.60 0.41 0.00 0.00 4.80 0.43 0.00 0.00 5.00 0.45 0.00 0.00 5.20 0.47 0.00 0.00 5.40 0.50 0.00 0.00 5.60 0.52 0.00 0.04 5.80 0.55 0.00 0.11 6.00 0.57 0.00 0.18 6.20 0.60 0.00 0.26 6.40 0.63 0.01 0.34 6.60 0.65 0.01 0.42 6.80 0.68 0.01 0.50 7.00 0.71 0.02 0.59 7.20 0.74 0.02 0.68 7.40 0.77 0.03 0.77 7.60 0.80 0.03 0.86 7.80 0.83 0.04 0.95 8.00 0.86 0.05 1.05 8.20 0.89 0.05 1.20 8.40 0.93 0.06 1.40 8.60 0.97 0.07 1.61 8.80 1.01 0.09 1.85 9.00 1.05 0.10 2.11 9.20 1.10 0.12 2.29 9.40 1.15 0.13 2.42 9.60 1.19 0.15 2.58 9.80 1.24 0.17 2.96 10.00 1.30 0.19 3.39 10.20 1.36 0.22 3.94 10.40 1.43 0.25 4.59 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 10.60 1.50 0.29 5.34 10.80 1.59 0.33 6.44 11.00 1.68 0.38 7.64 11.20 1.80 0.45 9.76 11.40 1.95 0.53 12.64 11.60 2.20 0.69 24.76 11.80 3.09 1.32 98.46 12.00 4.75 2.68 211.59 12.20 5.01 2.90 32.15 12.40 5.20 3.07 23.39 12.60 5.33 3.18 16.07 12.80 5.44 3.28 13.98 13.00 5.54 3.36 12.10 13.20 5.62 3.44 10.74 13.40 5.69 3.51 9.72 13.60 5.76 3.57 8.73 13.80 5.82 3.62 7.99 14.00 5.88 3.67 7.25 14.20 5.93 3.72 6.81 14.40 5.98 3.76 6.55 14.60 6.03 3.81 6.30 14.80 6.08 3.85 6.04 15.00 6.12 3.89 5.78 15.20 6.16 3.93 5.52 15.40 6.20 3.96 5.26 15.60 6.24 4.00 5.00 15.80 6.28 4.03 4.74 16.00 6.31 4.06 4.48 16.20 6.34 4.09 4.32 16.40 6.37 4.12 4.23 16.60 6.41 4.15 4.14 16.80 6.44 4.18 4.04 17.00 6.47 4.20 3.95 17.20 6.49 4.23 3.86 17.40 6.52 4.26 3.77 17.60 6.55 4.28 3.67 17.80 6.58 4.31 3.58 18.00 6.60 4.33 3.49 18.20 6.63 4.35 3.39 18.40 6.65 4.38 3.30 18.60 6.68 4.40 3.20 18.80 6.70 4.42 3.11 19.00 6.72 4.44 3.01 19.20 6.75 4.46 2.92 19.40 6.77 4.48 2.82 19.60 6.79 4.50 2.73 19.80 6.81 4.52 2.63 20.00 6.83 4.53 2.54 20.20 6.84 4.55 2.49 20.40 6.86 4.57 2.47 20.60 6.88 4.58 2.45 20.80 6.90 4.60 2.44 21.00 6.92 4.62 2.42 012' Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 29 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 21.20 6.94 4.63 2.40 21.40 6.95 4.65 2.38 21.60 6.97 4.67 2.36 21.80 6.99 4.68 2.34 22.00 7.01 4.70 2.33 22.20 7.02 4.71 2.31 22.40 7.04 4.73 2.29 22.60 7.06 4.75 2.27 22.80 7.07 4.76 2.25 23.00 7.09 4.78 2.23 23.20 7.11 4.79 2.21 23.40 7.12 4.81 2.19 23.60 7.14 4.82 2.18 23.80 7.15 4.84 2.16 24.00 7.17 4.85 2.14 24.20 7.17 4.85 0.02 24.40 7.17 4.85 0.00 24.60 7.17 4.85 0.00 24.80 7.17 4.85 0.00 25.00 7.17 4.85 0.00 25.20 7.17 4.85 0.00 25.40 7.17 4.85 0.00 25.60 7.17 4.85 0.00 25.80 7.17 4.85 0.00 26.00 7.17 4.85 0.00 26.20 7.17 4.85 0.00 26.40 7.17 4.85 0.00 26.60 7.17 4.85 0.00 26.80 7.17 4.85 0.00 27.00 7.17 4.85 0.00 27.20 7.17 4.85 0.00 27.40 7.17 4.85 0.00 27.60 7.17 4.85 0.00 27.80 7.17 4.85 0.00 28.00 7.17 4.85 0.00 28.20 7.17 4.85 0.00 28.40 7.17 4.85 0.00 28.60 7.17 4.85 0.00 28.80 7.17 4.85 0.00 29.00 7.17 4.85 0.00 29.20 7.17 4.85 0.00 29.40 7.17 4.85 0.00 29.60 7.17 4.85 0.00 29.80 7.17 4.85 0.00 30.00 7.17 4.85 0.00 30.20 7.17 4.85 0.00 30.40 7.17 4.85 0.00 30.60 7.17 4.85 0.00 30.80 7.17 4.85 0.00 31.00 7.17 4.85 0.00 31.20 7.17 4.85 0.00 31.40 7.17 4.85 0.00 31.60 7.17 4.85 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 31.80 7.17 4.85 0.00 32.00 7.17 4.85 0.00 32.20 7.17 4.85 0.00 32.40 7.17 4.85 0.00 32.60 7.17 4.85 0.00 32.80 7.17 4.85 0.00 33.00 7.17 4.85 0.00 33.20 7.17 4.85 0.00 33.40 7.17 4.85 0.00 33.60 7.17 4.85 0.00 33.80 7.17 4.85 0.00 34.00 7.17 4.85 0.00 34.20 7.17 4.85 0.00 34.40 7.17 4.85 0.00 34.60 7.17 4.85 0.00 34.80 7.17 4.85 0.00 35.00 7.17 4.85 0.00 35.20 7.17 4.85 0.00 35.40 7.17 4.85 0.00 35.60 7.17 4.85 0.00 35.80 7.17 4.85 0.00 36.00 7.17 4.85 0.00 36.20 7.17 4.85 0.00 36.40 7.17 4.85 0.00 36.60 7.17 4.85 0.00 36.80 7.17 4.85 0.00 37.00 7.17 4.85 0.00 37.20 7.17 4.85 0.00 37.40 7.17 4.85 0.00 37.60 7.17 4.85 0.00 37.80 7.17 4.85 0.00 38.00 7.17 4.85 0.00 38.20 7.17 4.85 0.00 38.40 7.17 4.85 0.00 38.60 7.17 4.85 0.00 38.80 7.17 4.85 0.00 39.00 7.17 4.85 0.00 39.20 7.17 4.85 0.00 39.40 7.17 4.85 0.00 39.60 7.17 4.85 0.00 39.80 7.17 4.85 0.00 40.00 7.17 4.85 0.00 40.20 7.17 4.85 0.00 40.40 7.17 4.85 0.00 40.60 7.17 4.85 0.00 40.80 7.17 4.85 0.00 41.00 7.17 4.85 0.00 41.20 7.17 4.85 0.00 41.40 7.17 4.85 0.00 41.60 7.17 4.85 0.00 41.80 7.17 4.85 0.00 42.00 7.17 4.85 0.00 42.20 7.17 4.85 0.00 01FA Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 30 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 42.40 7.17 4.85 0.00 42.60 7.17 4.85 0.00 42.80 7.17 4.85 0.00 43.00 7.17 4.85 0.00 43.20 7.17 4.85 0.00 43.40 7.17 4.85 0.00 43.60 7.17 4.85 0.00 43.80 7.17 4.85 0.00 44.00 7.17 4.85 0.00 44.20 7.17 4.85 0.00 44.40 7.17 4.85 0.00 44.60 7.17 4.85 0.00 44.80 7.17 4.85 0.00 45.00 7.17 4.85 0.00 45.20 7.17 4.85 0.00 45.40 7.17 4.85 0.00 45.60 7.17 4.85 0.00 45.80 7.17 4.85 0.00 46.00 7.17 4.85 0.00 46.20 7.17 4.85 0.00 46.40 7.17 4.85 0.00 46.60 7.17 4.85 0.00 46.80 7.17 4.85 0.00 47.00 7.17 4.85 0.00 47.20 7.17 4.85 0.00 47.40 7.17 4.85 0.00 47.60 7.17 4.85 0.00 47.80 7.17 4.85 0.00 48.00 7.17 4.85 0.00 48.20 7.17 4.85 0.00 48.40 7.17 4.85 0.00 48.60 7.17 4.85 0.00 48.80 7.17 4.85 0.00 49.00 7.17 4.85 0.00 49.20 7.17 4.85 0.00 49.40 7.17 4.85 0.00 49.60 7.17 4.85 0.00 49.80 7.17 4.85 0.00 50.00 7.17 4.85 0.00 50.20 7.17 4.85 0.00 50.40 7.17 4.85 0.00 50.60 7.17 4.85 0.00 50.80 7.17 4.85 0.00 51.00 7.17 4.85 0.00 51.20 7.17 4.85 0.00 51.40 7.17 4.85 0.00 51.60 7.17 4.85 0.00 51.80 7.17 4.85 0.00 52.00 7.17 4.85 0.00 52.20 7.17 4.85 0.00 52.40 7.17 4.85 0.00 52.60 7.17 4.85 0.00 52.80 7.17 4.85 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 53.00 7.17 4.85 0.00 53.20 7.17 4.85 0.00 53.40 7.17 4.85 0.00 53.60 7.17 4.85 0.00 53.80 7.17 4.85 0.00 54.00 7.17 4.85 0.00 54.20 7.17 4.85 0.00 54.40 7.17 4.85 0.00 54.60 7.17 4.85 0.00 54.80 7.17 4.85 0.00 55.00 7.17 4.85 0.00 55.20 7.17 4.85 0.00 55.40 7.17 4.85 0.00 55.60 7.17 4.85 0.00 55.80 7.17 4.85 0.00 56.00 7.17 4.85 0.00 56.20 7.17 4.85 0.00 56.40 7.17 4.85 0.00 56.60 7.17 4.85 0.00 56.80 7.17 4.85 0.00 57.00 7.17 4.85 0.00 57.20 7.17 4.85 0.00 57.40 7.17 4.85 0.00 57.60 7.17 4.85 0.00 57.80 7.17 4.85 0.00 58.00 7.17 4.85 0.00 58.20 7.17 4.85 0.00 58.40 7.17 4.85 0.00 58.60 7.17 4.85 0.00 58.80 7.17 4.85 0.00 59.00 7.17 4.85 0.00 59.20 7.17 4.85 0.00 59.40 7.17 4.85 0.00 59.60 7.17 4.85 0.00 59.80 7.17 4.85 0.00 60.00 7.17 4.85 0.00 60.20 7.17 4.85 0.00 60.40 7.17 4.85 0.00 60.60 7.17 4.85 0.00 60.80 7.17 4.85 0.00 61.00 7.17 4.85 0.00 61.20 7.17 4.85 0.00 61.40 7.17 4.85 0.00 61.60 7.17 4.85 0.00 61.80 7.17 4.85 0.00 62.00 7.17 4.85 0.00 62.20 7.17 4.85 0.00 62.40 7.17 4.85 0.00 62.60 7.17 4.85 0.00 62.80 7.17 4.85 0.00 63.00 7.17 4.85 0.00 63.20 7.17 4.85 0.00 63.40 7.17 4.85 0.00 or] Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 31 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 63.60 7.17 4.85 0.00 63.80 7.17 4.85 0.00 64.00 7.17 4.85 0.00 64.20 7.17 4.85 0.00 64.40 7.17 4.85 0.00 64.60 7.17 4.85 0.00 64.80 7.17 4.85 0.00 65.00 7.17 4.85 0.00 65.20 7.17 4.85 0.00 65.40 7.17 4.85 0.00 65.60 7.17 4.85 0.00 65.80 7.17 4.85 0.00 66.00 7.17 4.85 0.00 66.20 7.17 4.85 0.00 66.40 7.17 4.85 0.00 66.60 7.17 4.85 0.00 66.80 7.17 4.85 0.00 67.00 7.17 4.85 0.00 67.20 7.17 4.85 0.00 67.40 7.17 4.85 0.00 67.60 7.17 4.85 0.00 67.80 7.17 4.85 0.00 68.00 7.17 4.85 0.00 68.20 7.17 4.85 0.00 68.40 7.17 4.85 0.00 68.60 7.17 4.85 0.00 68.80 7.17 4.85 0.00 69.00 7.17 4.85 0.00 69.20 7.17 4.85 0.00 69.40 7.17 4.85 0.00 69.60 7.17 4.85 0.00 69.80 7.17 4.85 0.00 70.00 7.17 4.85 0.00 70.20 7.17 4.85 0.00 70.40 7.17 4.85 0.00 70.60 7.17 4.85 0.00 70.80 7.17 4.85 0.00 71.00 7.17 4.85 0.00 71.20 7.17 4.85 0.00 71.40 7.17 4.85 0.00 71.60 7.17 4.85 0.00 71.80 7.17 4.85 0.00 72.00 7.17 4.85 0.00 72.20 7.17 4.85 0.00 72.40 7.17 4.85 0.00 72.60 7.17 4.85 0.00 72.80 7.17 4.85 0.00 73.00 7.17 4.85 0.00 73.20 7.17 4.85 0.00 73.40 7.17 4.85 0.00 73.60 7.17 4.85 0.00 73.80 7.17 4.85 0.00 74.00 7.17 4.85 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 74.20 7.17 4.85 0.00 74.40 7.17 4.85 0.00 74.60 7.17 4.85 0.00 74.80 7.17 4.85 0.00 75.00 7.17 4.85 0.00 75.20 7.17 4.85 0.00 75.40 7.17 4.85 0.00 75.60 7.17 4.85 0.00 75.80 7.17 4.85 0.00 76.00 7.17 4.85 0.00 76.20 7.17 4.85 0.00 76.40 7.17 4.85 0.00 76.60 7.17 4.85 0.00 76.80 7.17 4.85 0.00 77.00 7.17 4.85 0.00 77.20 7.17 4.85 0.00 77.40 7.17 4.85 0.00 77.60 7.17 4.85 0.00 77.80 7.17 4.85 0.00 78.00 7.17 4.85 0.00 78.20 7.17 4.85 0.00 78.40 7.17 4.85 0.00 78.60 7.17 4.85 0.00 78.80 7.17 4.85 0.00 79.00 7.17 4.85 0.00 79.20 7.17 4.85 0.00 79.40 7.17 4.85 0.00 79.60 7.17 4.85 0.00 79.80 7.17 4.85 0.00 80.00 7.17 4.85 0.00 80.20 7.17 4.85 0.00 80.40 7.17 4.85 0.00 80.60 7.17 4.85 0.00 80.80 7.17 4.85 0.00 81.00 7.17 4.85 0.00 81.20 7.17 4.85 0.00 81.40 7.17 4.85 0.00 81.60 7.17 4.85 0.00 81.80 7.17 4.85 0.00 82.00 7.17 4.85 0.00 82.20 7.17 4.85 0.00 82.40 7.17 4.85 0.00 82.60 7.17 4.85 0.00 82.80 7.17 4.85 0.00 83.00 7.17 4.85 0.00 83.20 7.17 4.85 0.00 83.40 7.17 4.85 0.00 83.60 7.17 4.85 0.00 83.80 7.17 4.85 0.00 84.00 7.17 4.85 0.00 84.20 7.17 4.85 0.00 84.40 7.17 4.85 0.00 84.60 7.17 4.85 0.00 OR Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 32 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 84.80 7.17 4.85 0.00 85.00 7.17 4.85 0.00 85.20 7.17 4.85 0.00 85.40 7.17 4.85 0.00 85.60 7.17 4.85 0.00 85.80 7.17 4.85 0.00 86.00 7.17 4.85 0.00 86.20 7.17 4.85 0.00 86.40 7.17 4.85 0.00 86.60 7.17 4.85 0.00 86.80 7.17 4.85 0.00 87.00 7.17 4.85 0.00 87.20 7.17 4.85 0.00 87.40 7.17 4.85 0.00 87.60 7.17 4.85 0.00 87.80 7.17 4.85 0.00 88.00 7.17 4.85 0.00 88.20 7.17 4.85 0.00 88.40 7.17 4.85 0.00 88.60 7.17 4.85 0.00 88.80 7.17 4.85 0.00 89.00 7.17 4.85 0.00 89.20 7.17 4.85 0.00 89.40 7.17 4.85 0.00 89.60 7.17 4.85 0.00 89.80 7.17 4.85 0.00 90.00 7.17 4.85 0.00 90.20 7.17 4.85 0.00 90.40 7.17 4.85 0.00 90.60 7.17 4.85 0.00 90.80 7.17 4.85 0.00 91.00 7.17 4.85 0.00 91.20 7.17 4.85 0.00 91.40 7.17 4.85 0.00 91.60 7.17 4.85 0.00 91.80 7.17 4.85 0.00 92.00 7.17 4.85 0.00 92.20 7.17 4.85 0.00 92.40 7.17 4.85 0.00 92.60 7.17 4.85 0.00 92.80 7.17 4.85 0.00 93.00 7.17 4.85 0.00 93.20 7.17 4.85 0.00 93.40 7.17 4.85 0.00 93.60 7.17 4.85 0.00 93.80 7.17 4.85 0.00 94.00 7.17 4.85 0.00 94.20 7.17 4.85 0.00 94.40 7.17 4.85 0.00 94.60 7.17 4.85 0.00 94.80 7.17 4.85 0.00 95.00 7.17 4.85 0.00 95.20 7.17 4.85 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 95.40 7.17 4.85 0.00 95.60 7.17 4.85 0.00 95.80 7.17 4.85 0.00 96.00 7.17 4.85 0.00 96.20 7.17 4.85 0.00 96.40 7.17 4.85 0.00 96.60 7.17 4.85 0.00 96.80 7.17 4.85 0.00 97.00 7.17 4.85 0.00 97.20 7.17 4.85 0.00 97.40 7.17 4.85 0.00 97.60 7.17 4.85 0.00 97.80 7.17 4.85 0.00 98.00 7.17 4.85 0.00 98.20 7.17 4.85 0.00 98.40 7.17 4.85 0.00 98.60 7.17 4.85 0.00 98.80 7.17 4.85 0.00 99.00 7.17 4.85 0.00 99.20 7.17 4.85 0.00 99.40 7.17 4.85 0.00 99.60 7.17 4.85 0.00 99.80 7.17 4.85 0.00 100.00 7.17 4.85 0.00 100.20 7.17 4.85 0.00 100.40 7.17 4.85 0.00 100.60 7.17 4.85 0.00 100.80 7.17 4.85 0.00 101.00 7.17 4.85 0.00 101.20 7.17 4.85 0.00 101.40 7.17 4.85 0.00 101.60 7.17 4.85 0.00 101.80 7.17 4.85 0.00 102.00 7.17 4.85 0.00 102.20 7.17 4.85 0.00 102.40 7.17 4.85 0.00 102.60 7.17 4.85 0.00 102.80 7.17 4.85 0.00 103.00 7.17 4.85 0.00 103.20 7.17 4.85 0.00 103.40 7.17 4.85 0.00 103.60 7.17 4.85 0.00 103.80 7.17 4.85 0.00 104.00 7.17 4.85 0.00 104.20 7.17 4.85 0.00 104.40 7.17 4.85 0.00 104.60 7.17 4.85 0.00 104.80 7.17 4.85 0.00 105.00 7.17 4.85 0.00 105.20 7.17 4.85 0.00 105.40 7.17 4.85 0.00 105.60 7.17 4.85 0.00 105.80 7.17 4.85 0.00 Will Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 33 Hydrograph for Subcatchment 2S: Drainage Area #2 (continued) Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 106.00 7.17 4.85 0.00 106.20 7.17 4.85 0.00 106.40 7.17 4.85 0.00 106.60 7.17 4.85 0.00 106.80 7.17 4.85 0.00 107.00 7.17 4.85 0.00 107.20 7.17 4.85 0.00 107.40 7.17 4.85 0.00 107.60 7.17 4.85 0.00 107.80 7.17 4.85 0.00 108.00 7.17 4.85 0.00 108.20 7.17 4.85 0.00 108.40 7.17 4.85 0.00 108.60 7.17 4.85 0.00 108.80 7.17 4.85 0.00 109.00 7.17 4.85 0.00 109.20 7.17 4.85 0.00 109.40 7.17 4.85 0.00 109.60 7.17 4.85 0.00 109.80 7.17 4.85 0.00 110.00 7.17 4.85 0.00 110.20 7.17 4.85 0.00 110.40 7.17 4.85 0.00 110.60 7.17 4.85 0.00 110.80 7.17 4.85 0.00 111.00 7.17 4.85 0.00 111.20 7.17 4.85 0.00 111.40 7.17 4.85 0.00 111.60 7.17 4.85 0.00 111.80 7.17 4.85 0.00 112.00 7.17 4.85 0.00 112.20 7.17 4.85 0.00 112.40 7.17 4.85 0.00 112.60 7.17 4.85 0.00 112.80 7.17 4.85 0.00 113.00 7.17 4.85 0.00 113.20 7.17 4.85 0.00 113.40 7.17 4.85 0.00 113.60 7.17 4.85 0.00 113.80 7.17 4.85 0.00 114.00 7.17 4.85 0.00 114.20 7.17 4.85 0.00 114.40 7.17 4.85 0.00 114.60 7.17 4.85 0.00 114.80 7.17 4.85 0.00 115.00 7.17 4.85 0.00 115.20 7.17 4.85 0.00 115.40 7.17 4.85 0.00 115.60 7.17 4.85 0.00 115.80 7.17 4.85 0.00 116.00 7.17 4.85 0.00 116.20 7.17 4.85 0.00 116.40 7.17 4.85 0.00 Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) 116.60 7.17 4.85 0.00 116.80 7.17 4.85 0.00 117.00 7.17 4.85 0.00 117.20 7.17 4.85 0.00 117.40 7.17 4.85 0.00 117.60 7.17 4.85 0.00 117.80 7.17 4.85 0.00 118.00 7.17 4.85 0.00 118.20 7.17 4.85 0.00 118.40 7.17 4.85 0.00 118.60 7.17 4.85 0.00 118.80 7.17 4.85 0.00 119.00 7.17 4.85 0.00 119.20 7.17 4.85 0.00 119.40 7.17 4.85 0.00 119.60 7.17 4.85 0.00 119.80 7.17 4.85 0.00 120.00 7.17 4.85 0.00 WIN Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 34 Summary for Pond 2P: Wet Pond 2 Inflow Area = 28.950 ac, 0.00% Impervious, Inflow Depth = 4.85" for 100-Year event Inflow = 250.75 cfs @ 11.96 hrs, Volume= 11.704 of Outflow = 191.37 cfs @ 12.01 hrs, Volume= 11.540 af, Atten= 24%, Lag= 3.1 min Primary = 131.52 cfs @ 12.01 hrs, Volume= 11.057 of Secondary = 59.85 cfs @ 12.01 hrs, Volume= 0.482 of Routing by Stor-Ind method, Time Span= 0.00-120.00 hrs, dt= 0.01 hrs Peak Elev= 678.92' @ 12.01 hrs Surf.Area= 50,886 sf Storage= 156,609 cf Plug -Flow detention time= 380.7 min calculated for 11.540 of (99% of inflow) Center -of -Mass det. time= 372.0 min ( 1,175.0 - 803.0 ) Volume Invert Avail.Storage Storage Description #1 675.50' 213,121 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 675.50 39,518 0 0 676.00 42,306 20,456 20,456 677.00 45,185 43,746 64,202 678.00 48,121 46,653 110,855 679.00 51,113 49,617 160,472 680.00 54,185 52,649 213,121 Device Routing Invert Outlet Devices #1 Primary 671.50' 42.0" Round Outfall Pipe L= 46.0' RCP, groove end w/headwall, Ke= 0.200 Inlet / Outlet Invert= 671.50' / 671.27' S= 0.0050 '/' Cc= 0.900 n= 0.012 Concrete pipe, finished, Flow Area= 9.62 sf #2 Device 1 675.50' 3.0" Vert. WQ Orifice C= 0.600 #3 Device 1 677.00' 60.0" x 60.0" Horiz. Top of Riser C= 0.600 Limited to weir flow at low heads #4 Secondary 678.50' 84.0' long x 10.0' breadth Emergency Spillway Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=131.51 cfs @ 12.01 hrs HW=678.92' (Free Discharge) L1=Outfall Pipe (Barrel Controls 131.51 cfs @ 13.67 fps) 2=WQ Orifice (Passes < 0.43 cfs potential flow) 13=Top of Riser (Passes < 166.95 cfs potential flow) Secondary OutFlow Max=59.68 cfs @ 12.01 hrs HW=678.92' (Free Discharge) L4=Emergency Spillway (Weir Controls 59.68 cfs @ 1.68 fps) Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 35 Pond 2P: Wet Pond 2 Hydrograph -r--r-r--r-r--r-r-- r-r--r-r--r -r--r-r--r-r--r-r--r-r--r-r-- 250.75 cfS L -L-- L--- r -L--L-----L--L-L--L--'-- -L--L---L-L-- ■Inflow En9 Ouff low ---------- ------------- - ---- -- /�ieC�- 8 Inflow /�10 ■ Primary 280 .I -' ■ Secondary 260 Peak EjeV*678.92' 240 -r- --r- 191.37 cfs-'�-moo --r- --r--------r ra a=1' S6,f A �' - 220 - r--r-r--r-r--r-r--r-r--r-r--r-r--r-r--r-r--r-r--r-r-- 180 - J--L-J--L-L--r-L--L-L--'--L--L-L--L--'--r-L--L-L--r-L-- w 160 131.52 cfs 140 o-- - -- - -- - -- - --'-- -- - -- --'-- - -- - -- - -- a 120 100 y--Ir-y--Ir---r-y--Ir-y--Ir-y--Ir-y--Ir--li--r-y--Ir-y--r-y-- 80 59.85 cfs ------------------------ 60 40 680 679 w w 678 c 0 w w 677 676 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Time (hours) Pond 2P: Wet Pond 2 Stage -Discharge 0 50 100 150 200 250 300 350 400 450 500 550 Discharge (cfs) ■ Total ■ Primary ■ Secondary 103 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 36 Pond 2P: Wet Pond 2 Stage -Area -Storage Surface/Horizontal/Wetted Area (sq-ft) 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000 0 20,000 40,000 60,000 80,000 100,000 120,000 140,000 160,000 180,000 200,000 Storage (cubic -feet) Surface ❑ Storage 104 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 37 Hydrograph for Pond 2P: Wet Pond 2 Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 0.00 0.00 0 675.50 0.00 0.00 0.00 0.50 0.00 0 675.50 0.00 0.00 0.00 1.00 0.00 0 675.50 0.00 0.00 0.00 1.50 0.00 0 675.50 0.00 0.00 0.00 2.00 0.00 0 675.50 0.00 0.00 0.00 2.50 0.00 0 675.50 0.00 0.00 0.00 3.00 0.00 0 675.50 0.00 0.00 0.00 3.50 0.00 0 675.50 0.00 0.00 0.00 4.00 0.00 0 675.50 0.00 0.00 0.00 4.50 0.00 0 675.50 0.00 0.00 0.00 5.00 0.00 0 675.50 0.00 0.00 0.00 5.50 0.01 1 675.50 0.00 0.00 0.00 6.00 0.18 167 675.50 0.00 0.00 0.00 6.50 0.38 669 675.52 0.00 0.00 0.00 7.00 0.59 1,533 675.54 0.00 0.00 0.00 7.50 0.81 2,782 675.57 0.01 0.01 0.00 8.00 1.05 4,427 675.61 0.02 0.02 0.00 8.50 1.50 6,622 675.67 0.05 0.05 0.00 9.00 2.11 9,736 675.74 0.08 0.08 0.00 9.50 2.48 13,735 675.84 0.11 0.11 0.00 10.00 3.39 18,699 675.96 0.14 0.14 0.00 10.50 4.93 25,831 676.13 0.17 0.17 0.00 11.00 7.64 36,637 676.38 0.21 0.21 0.00 11.50 14.20 55,264 676.80 0.26 0.26 0.00 12.00 211.59 156,174 678.92 189.32 131.38 57.93 12.50 19.27 92,095 677.61 31.15 31.15 0.00 13.00 12.10 81,112 677.37 15.04 15.04 0.00 13.50 9.21 77,525 677.29 10.64 10.64 0.00 14.00 7.25 75,391 677.25 8.28 8.28 0.00 14.50 6.43 74,065 677.22 6.91 6.91 0.00 15.00 5.78 73,312 677.20 6.18 6.18 0.00 15.50 5.13 72,608 677.18 5.52 5.52 0.00 16.00 4.48 71,906 677.17 4.87 4.87 0.00 16.50 4.18 71,364 677.16 4.41 4.41 0.00 17.00 3.95 71,019 677.15 4.13 4.13 0.00 17.50 3.72 70,720 677.14 3.88 3.88 0.00 18.00 3.49 70,430 677.14 3.65 3.65 0.00 18.50 3.25 70,141 677.13 3.41 3.41 0.00 19.00 3.01 69,851 677.12 3.18 3.18 0.00 19.50 2.78 69,558 677.12 2.95 2.95 0.00 20.00 2.54 69,230 677.11 2.73 2.73 0.00 20.50 2.46 68,976 677.11 2.56 2.56 0.00 21.00 2.42 68,850 677.10 2.47 2.47 0.00 21.50 2.37 68,765 677.10 2.41 2.41 0.00 22.00 2.33 68,691 677.10 2.36 2.36 0.00 22.50 2.28 68,621 677.10 2.32 2.32 0.00 23.00 2.23 68,552 677.10 2.27 2.27 0.00 23.50 2.19 68,482 677.09 2.22 2.22 0.00 24.00 2.14 68,413 677.09 2.18 2.18 0.00 24.50 0.00 66,227 677.04 0.95 0.95 0.00 25.00 0.00 65,042 677.02 0.49 0.49 0.00 25.50 0.00 64,334 677.00 0.31 0.31 0.00 26.00 0.00 63,828 676.99 0.28 0.28 0.00 `11 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 38 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 26.50 0.00 63,332 676.98 0.28 0.28 0.00 27.00 0.00 62,838 676.97 0.27 0.27 0.00 27.50 0.00 62,345 676.96 0.27 0.27 0.00 28.00 0.00 61,855 676.95 0.27 0.27 0.00 28.50 0.00 61,367 676.94 0.27 0.27 0.00 29.00 0.00 60,880 676.93 0.27 0.27 0.00 29.50 0.00 60,396 676.92 0.27 0.27 0.00 30.00 0.00 59,914 676.90 0.27 0.27 0.00 30.50 0.00 59,433 676.89 0.27 0.27 0.00 31.00 0.00 58,955 676.88 0.27 0.27 0.00 31.50 0.00 58,479 676.87 0.26 0.26 0.00 32.00 0.00 58,005 676.86 0.26 0.26 0.00 32.50 0.00 57,532 676.85 0.26 0.26 0.00 33.00 0.00 57,062 676.84 0.26 0.26 0.00 33.50 0.00 56,594 676.83 0.26 0.26 0.00 34.00 0.00 56,128 676.82 0.26 0.26 0.00 34.50 0.00 55,664 676.81 0.26 0.26 0.00 35.00 0.00 55,202 676.80 0.26 0.26 0.00 35.50 0.00 54,742 676.79 0.26 0.26 0.00 36.00 0.00 54,284 676.78 0.25 0.25 0.00 36.50 0.00 53,828 676.77 0.25 0.25 0.00 37.00 0.00 53,374 676.76 0.25 0.25 0.00 37.50 0.00 52,922 676.75 0.25 0.25 0.00 38.00 0.00 52,472 676.74 0.25 0.25 0.00 38.50 0.00 52,024 676.73 0.25 0.25 0.00 39.00 0.00 51,578 676.72 0.25 0.25 0.00 39.50 0.00 51,135 676.71 0.25 0.25 0.00 40.00 0.00 50,693 676.70 0.24 0.24 0.00 40.50 0.00 50,253 676.69 0.24 0.24 0.00 41.00 0.00 49,816 676.68 0.24 0.24 0.00 41.50 0.00 49,380 676.67 0.24 0.24 0.00 42.00 0.00 48,946 676.66 0.24 0.24 0.00 42.50 0.00 48,515 676.65 0.24 0.24 0.00 43.00 0.00 48,086 676.64 0.24 0.24 0.00 43.50 0.00 47,658 676.63 0.24 0.24 0.00 44.00 0.00 47,233 676.62 0.24 0.24 0.00 44.50 0.00 46,809 676.61 0.23 0.23 0.00 45.00 0.00 46,388 676.60 0.23 0.23 0.00 45.50 0.00 45,969 676.59 0.23 0.23 0.00 46.00 0.00 45,552 676.58 0.23 0.23 0.00 46.50 0.00 45,137 676.57 0.23 0.23 0.00 47.00 0.00 44,724 676.56 0.23 0.23 0.00 47.50 0.00 44,313 676.55 0.23 0.23 0.00 48.00 0.00 43,904 676.54 0.23 0.23 0.00 48.50 0.00 43,497 676.53 0.23 0.23 0.00 49.00 0.00 43,092 676.53 0.22 0.22 0.00 49.50 0.00 42,690 676.52 0.22 0.22 0.00 50.00 0.00 42,289 676.51 0.22 0.22 0.00 50.50 0.00 41,890 676.50 0.22 0.22 0.00 51.00 0.00 41,494 676.49 0.22 0.22 0.00 51.50 0.00 41,100 676.48 0.22 0.22 0.00 52.00 0.00 40,707 676.47 0.22 0.22 0.00 52.50 0.00 40,317 676.46 0.22 0.22 0.00 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 39 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 53.00 0.00 39,929 676.45 0.22 0.22 0.00 53.50 0.00 39,543 676.44 0.21 0.21 0.00 54.00 0.00 39,159 676.44 0.21 0.21 0.00 54.50 0.00 38,777 676.43 0.21 0.21 0.00 55.00 0.00 38,397 676.42 0.21 0.21 0.00 55.50 0.00 38,019 676.41 0.21 0.21 0.00 56.00 0.00 37,643 676.40 0.21 0.21 0.00 56.50 0.00 37,269 676.39 0.21 0.21 0.00 57.00 0.00 36,898 676.38 0.21 0.21 0.00 57.50 0.00 36,528 676.38 0.20 0.20 0.00 58.00 0.00 36,161 676.37 0.20 0.20 0.00 58.50 0.00 35,796 676.36 0.20 0.20 0.00 59.00 0.00 35,432 676.35 0.20 0.20 0.00 59.50 0.00 35,071 676.34 0.20 0.20 0.00 60.00 0.00 34,712 676.33 0.20 0.20 0.00 60.50 0.00 34,355 676.32 0.20 0.20 0.00 61.00 0.00 34,001 676.32 0.20 0.20 0.00 61.50 0.00 33,648 676.31 0.20 0.20 0.00 62.00 0.00 33,297 676.30 0.19 0.19 0.00 62.50 0.00 32,949 676.29 0.19 0.19 0.00 63.00 0.00 32,602 676.28 0.19 0.19 0.00 63.50 0.00 32,258 676.28 0.19 0.19 0.00 64.00 0.00 31,915 676.27 0.19 0.19 0.00 64.50 0.00 31,575 676.26 0.19 0.19 0.00 65.00 0.00 31,237 676.25 0.19 0.19 0.00 65.50 0.00 30,901 676.24 0.19 0.19 0.00 66.00 0.00 30,567 676.24 0.18 0.18 0.00 66.50 0.00 30,236 676.23 0.18 0.18 0.00 67.00 0.00 29,906 676.22 0.18 0.18 0.00 67.50 0.00 29,578 676.21 0.18 0.18 0.00 68.00 0.00 29,253 676.21 0.18 0.18 0.00 68.50 0.00 28,930 676.20 0.18 0.18 0.00 69.00 0.00 28,608 676.19 0.18 0.18 0.00 69.50 0.00 28,289 676.18 0.18 0.18 0.00 70.00 0.00 27,972 676.18 0.18 0.18 0.00 70.50 0.00 27,657 676.17 0.17 0.17 0.00 71.00 0.00 27,345 676.16 0.17 0.17 0.00 71.50 0.00 27,034 676.15 0.17 0.17 0.00 72.00 0.00 26,726 676.15 0.17 0.17 0.00 72.50 0.00 26,419 676.14 0.17 0.17 0.00 73.00 0.00 26,115 676.13 0.17 0.17 0.00 73.50 0.00 25,813 676.13 0.17 0.17 0.00 74.00 0.00 25,513 676.12 0.17 0.17 0.00 74.50 0.00 25,215 676.11 0.16 0.16 0.00 75.00 0.00 24,919 676.11 0.16 0.16 0.00 75.50 0.00 24,625 676.10 0.16 0.16 0.00 76.00 0.00 24,334 676.09 0.16 0.16 0.00 76.50 0.00 24,044 676.08 0.16 0.16 0.00 77.00 0.00 23,757 676.08 0.16 0.16 0.00 77.50 0.00 23,472 676.07 0.16 0.16 0.00 78.00 0.00 23,189 676.06 0.16 0.16 0.00 78.50 0.00 22,908 676.06 0.16 0.16 0.00 79.00 0.00 22,629 676.05 0.15 0.15 0.00 i[ofl Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 40 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 79.50 0.00 22,353 676.04 0.15 0.15 0.00 80.00 0.00 22,078 676.04 0.15 0.15 0.00 80.50 0.00 21,806 676.03 0.15 0.15 0.00 81.00 0.00 21,535 676.03 0.15 0.15 0.00 81.50 0.00 21,267 676.02 0.15 0.15 0.00 82.00 0.00 21,001 676.01 0.15 0.15 0.00 82.50 0.00 20,738 676.01 0.15 0.15 0.00 83.00 0.00 20,476 676.00 0.14 0.14 0.00 83.50 0.00 20,216 675.99 0.14 0.14 0.00 84.00 0.00 19,959 675.99 0.14 0.14 0.00 84.50 0.00 19,704 675.98 0.14 0.14 0.00 85.00 0.00 19,450 675.98 0.14 0.14 0.00 85.50 0.00 19,200 675.97 0.14 0.14 0.00 86.00 0.00 18,951 675.96 0.14 0.14 0.00 86.50 0.00 18,704 675.96 0.14 0.14 0.00 87.00 0.00 18,460 675.95 0.14 0.14 0.00 87.50 0.00 18,217 675.95 0.13 0.13 0.00 88.00 0.00 17,977 675.94 0.13 0.13 0.00 88.50 0.00 17,739 675.94 0.13 0.13 0.00 89.00 0.00 17,503 675.93 0.13 0.13 0.00 89.50 0.00 17,269 675.92 0.13 0.13 0.00 90.00 0.00 17,038 675.92 0.13 0.13 0.00 90.50 0.00 16,809 675.91 0.13 0.13 0.00 91.00 0.00 16,581 675.91 0.13 0.13 0.00 91.50 0.00 16,356 675.90 0.12 0.12 0.00 92.00 0.00 16,133 675.90 0.12 0.12 0.00 92.50 0.00 15,913 675.89 0.12 0.12 0.00 93.00 0.00 15,694 675.89 0.12 0.12 0.00 93.50 0.00 15,478 675.88 0.12 0.12 0.00 94.00 0.00 15,264 675.88 0.12 0.12 0.00 94.50 0.00 15,052 675.87 0.12 0.12 0.00 95.00 0.00 14,842 675.87 0.12 0.12 0.00 95.50 0.00 14,634 675.86 0.11 0.11 0.00 96.00 0.00 14,428 675.86 0.11 0.11 0.00 96.50 0.00 14,225 675.85 0.11 0.11 0.00 97.00 0.00 14,024 675.85 0.11 0.11 0.00 97.50 0.00 13,825 675.84 0.11 0.11 0.00 98.00 0.00 13,629 675.84 0.11 0.11 0.00 98.50 0.00 13,434 675.83 0.11 0.11 0.00 99.00 0.00 13,242 675.83 0.11 0.11 0.00 99.50 0.00 13,052 675.82 0.11 0.11 0.00 100.00 0.00 12,864 675.82 0.10 0.10 0.00 100.50 0.00 12,678 675.81 0.10 0.10 0.00 101.00 0.00 12,494 675.81 0.10 0.10 0.00 101.50 0.00 12,313 675.80 0.10 0.10 0.00 102.00 0.00 12,134 675.80 0.10 0.10 0.00 102.50 0.00 11,957 675.80 0.10 0.10 0.00 103.00 0.00 11,782 675.79 0.10 0.10 0.00 103.50 0.00 11,610 675.79 0.10 0.10 0.00 104.00 0.00 11,439 675.78 0.09 0.09 0.00 104.50 0.00 11,271 675.78 0.09 0.09 0.00 105.00 0.00 11,105 675.78 0.09 0.09 0.00 105.50 0.00 10,941 675.77 0.09 0.09 0.00 `ON Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 41 Hydrograph for Pond 2P: Wet Pond 2 (continued) Time Inflow Storage Elevation Outflow Primary Secondary (hours) (cfs) (cubic -feet) (feet) (cfs) (cfs) (cfs) 106.00 0.00 10,780 675.77 0.09 0.09 0.00 106.50 0.00 10,620 675.76 0.09 0.09 0.00 107.00 0.00 10,463 675.76 0.09 0.09 0.00 107.50 0.00 10,308 675.76 0.09 0.09 0.00 108.00 0.00 10,155 675.75 0.08 0.08 0.00 108.50 0.00 10,005 675.75 0.08 0.08 0.00 109.00 0.00 9,857 675.75 0.08 0.08 0.00 109.50 0.00 9,710 675.74 0.08 0.08 0.00 110.00 0.00 9,566 675.74 0.08 0.08 0.00 110.50 0.00 9,424 675.73 0.08 0.08 0.00 111.00 0.00 9,284 675.73 0.08 0.08 0.00 111.50 0.00 9,147 675.73 0.08 0.08 0.00 112.00 0.00 9,011 675.72 0.07 0.07 0.00 112.50 0.00 8,877 675.72 0.07 0.07 0.00 113.00 0.00 8,746 675.72 0.07 0.07 0.00 113.50 0.00 8,618 675.71 0.07 0.07 0.00 114.00 0.00 8,492 675.71 0.07 0.07 0.00 114.50 0.00 8,369 675.71 0.07 0.07 0.00 115.00 0.00 8,249 675.71 0.07 0.07 0.00 115.50 0.00 8,130 675.70 0.07 0.07 0.00 116.00 0.00 8,015 675.70 0.06 0.06 0.00 116.50 0.00 7,901 675.70 0.06 0.06 0.00 117.00 0.00 7,790 675.69 0.06 0.06 0.00 117.50 0.00 7,681 675.69 0.06 0.06 0.00 118.00 0.00 7,574 675.69 0.06 0.06 0.00 118.50 0.00 7,469 675.69 0.06 0.06 0.00 119.00 0.00 7,366 675.68 0.06 0.06 0.00 119.50 0.00 7,266 675.68 0.06 0.06 0.00 120.00 0.00 7,167 675.68 0.05 0.05 0.00 ` DI Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 42 Stage -Discharge for Pond 2P: Wet Pond 2 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 675.50 0.00 0.00 0.00 675.51 0.00 0.00 0.00 675.52 0.00 0.00 0.00 675.53 0.00 0.00 0.00 675.54 0.00 0.00 0.00 675.55 0.01 0.01 0.00 675.56 0.01 0.01 0.00 675.57 0.01 0.01 0.00 675.58 0.01 0.01 0.00 675.59 0.02 0.02 0.00 675.60 0.02 0.02 0.00 675.61 0.02 0.02 0.00 675.62 0.03 0.03 0.00 675.63 0.03 0.03 0.00 675.64 0.04 0.04 0.00 675.65 0.04 0.04 0.00 675.66 0.05 0.05 0.00 675.67 0.05 0.05 0.00 675.68 0.05 0.05 0.00 675.69 0.06 0.06 0.00 675.70 0.06 0.06 0.00 675.71 0.07 0.07 0.00 675.72 0.07 0.07 0.00 675.73 0.08 0.08 0.00 675.74 0.08 0.08 0.00 675.75 0.08 0.08 0.00 675.76 0.09 0.09 0.00 675.77 0.09 0.09 0.00 675.78 0.09 0.09 0.00 675.79 0.10 0.10 0.00 675.80 0.10 0.10 0.00 675.81 0.10 0.10 0.00 675.82 0.10 0.10 0.00 675.83 0.11 0.11 0.00 675.84 0.11 0.11 0.00 675.85 0.11 0.11 0.00 675.86 0.11 0.11 0.00 675.87 0.12 0.12 0.00 675.88 0.12 0.12 0.00 675.89 0.12 0.12 0.00 675.90 0.12 0.12 0.00 675.91 0.13 0.13 0.00 675.92 0.13 0.13 0.00 675.93 0.13 0.13 0.00 675.94 0.13 0.13 0.00 675.95 0.13 0.13 0.00 675.96 0.14 0.14 0.00 675.97 0.14 0.14 0.00 675.98 0.14 0.14 0.00 675.99 0.14 0.14 0.00 676.00 0.14 0.14 0.00 676.01 0.15 0.15 0.00 676.02 0.15 0.15 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 676.03 0.15 0.15 0.00 676.04 0.15 0.15 0.00 676.05 0.15 0.15 0.00 676.06 0.16 0.16 0.00 676.07 0.16 0.16 0.00 676.08 0.16 0.16 0.00 676.09 0.16 0.16 0.00 676.10 0.16 0.16 0.00 676.11 0.16 0.16 0.00 676.12 0.17 0.17 0.00 676.13 0.17 0.17 0.00 676.14 0.17 0.17 0.00 676.15 0.17 0.17 0.00 676.16 0.17 0.17 0.00 676.17 0.17 0.17 0.00 676.18 0.18 0.18 0.00 676.19 0.18 0.18 0.00 676.20 0.18 0.18 0.00 676.21 0.18 0.18 0.00 676.22 0.18 0.18 0.00 676.23 0.18 0.18 0.00 676.24 0.19 0.19 0.00 676.25 0.19 0.19 0.00 676.26 0.19 0.19 0.00 676.27 0.19 0.19 0.00 676.28 0.19 0.19 0.00 676.29 0.19 0.19 0.00 676.30 0.19 0.19 0.00 676.31 0.20 0.20 0.00 676.32 0.20 0.20 0.00 676.33 0.20 0.20 0.00 676.34 0.20 0.20 0.00 676.35 0.20 0.20 0.00 676.36 0.20 0.20 0.00 676.37 0.20 0.20 0.00 676.38 0.21 0.21 0.00 676.39 0.21 0.21 0.00 676.40 0.21 0.21 0.00 676.41 0.21 0.21 0.00 676.42 0.21 0.21 0.00 676.43 0.21 0.21 0.00 676.44 0.21 0.21 0.00 676.45 0.21 0.21 0.00 676.46 0.22 0.22 0.00 676.47 0.22 0.22 0.00 676.48 0.22 0.22 0.00 676.49 0.22 0.22 0.00 676.50 0.22 0.22 0.00 676.51 0.22 0.22 0.00 676.52 0.22 0.22 0.00 676.53 0.22 0.22 0.00 676.54 0.23 0.23 0.00 676.55 0.23 0.23 0.00 is[$] Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 43 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 676.56 0.23 0.23 0.00 676.57 0.23 0.23 0.00 676.58 0.23 0.23 0.00 676.59 0.23 0.23 0.00 676.60 0.23 0.23 0.00 676.61 0.23 0.23 0.00 676.62 0.24 0.24 0.00 676.63 0.24 0.24 0.00 676.64 0.24 0.24 0.00 676.65 0.24 0.24 0.00 676.66 0.24 0.24 0.00 676.67 0.24 0.24 0.00 676.68 0.24 0.24 0.00 676.69 0.24 0.24 0.00 676.70 0.25 0.25 0.00 676.71 0.25 0.25 0.00 676.72 0.25 0.25 0.00 676.73 0.25 0.25 0.00 676.74 0.25 0.25 0.00 676.75 0.25 0.25 0.00 676.76 0.25 0.25 0.00 676.77 0.25 0.25 0.00 676.78 0.25 0.25 0.00 676.79 0.26 0.26 0.00 676.80 0.26 0.26 0.00 676.81 0.26 0.26 0.00 676.82 0.26 0.26 0.00 676.83 0.26 0.26 0.00 676.84 0.26 0.26 0.00 676.85 0.26 0.26 0.00 676.86 0.26 0.26 0.00 676.87 0.26 0.26 0.00 676.88 0.26 0.26 0.00 676.89 0.27 0.27 0.00 676.90 0.27 0.27 0.00 676.91 0.27 0.27 0.00 676.92 0.27 0.27 0.00 676.93 0.27 0.27 0.00 676.94 0.27 0.27 0.00 676.95 0.27 0.27 0.00 676.96 0.27 0.27 0.00 676.97 0.27 0.27 0.00 676.98 0.28 0.28 0.00 676.99 0.28 0.28 0.00 677.00 0.28 0.28 0.00 677.01 0.34 0.34 0.00 677.02 0.46 0.46 0.00 677.03 0.62 0.62 0.00 677.04 0.80 0.80 0.00 677.05 1.01 1.01 0.00 677.06 1.24 1.24 0.00 677.07 1.50 1.50 0.00 677.08 1.76 1.76 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 677.09 2.05 2.05 0.00 677.10 2.36 2.36 0.00 677.11 2.67 2.67 0.00 677.12 3.01 3.01 0.00 677.13 3.36 3.36 0.00 677.14 3.72 3.72 0.00 677.15 4.09 4.09 0.00 677.16 4.48 4.48 0.00 677.17 4.88 4.88 0.00 677.18 5.29 5.29 0.00 677.19 5.71 5.71 0.00 677.20 6.15 6.15 0.00 677.21 6.59 6.59 0.00 677.22 7.05 7.05 0.00 677.23 7.51 7.51 0.00 677.24 7.99 7.99 0.00 677.25 8.48 8.48 0.00 677.26 8.97 8.97 0.00 677.27 9.48 9.48 0.00 677.28 9.99 9.99 0.00 677.29 10.52 10.52 0.00 677.30 11.05 11.05 0.00 677.31 11.59 11.59 0.00 677.32 12.15 12.15 0.00 677.33 12.71 12.71 0.00 677.34 13.28 13.28 0.00 677.35 13.85 13.85 0.00 677.36 14.44 14.44 0.00 677.37 15.03 15.03 0.00 677.38 15.63 15.63 0.00 677.39 16.24 16.24 0.00 677.40 16.86 16.86 0.00 677.41 17.49 17.49 0.00 677.42 18.12 18.12 0.00 677.43 18.76 18.76 0.00 677.44 19.41 19.41 0.00 677.45 20.06 20.06 0.00 677.46 20.72 20.72 0.00 677.47 21.39 21.39 0.00 677.48 22.07 22.07 0.00 677.49 22.75 22.75 0.00 677.50 23.45 23.45 0.00 677.51 24.14 24.14 0.00 677.52 24.85 24.85 0.00 677.53 25.56 25.56 0.00 677.54 26.28 26.28 0.00 677.55 27.00 27.00 0.00 677.56 27.74 27.74 0.00 677.57 28.47 28.47 0.00 677.58 29.22 29.22 0.00 677.59 29.97 29.97 0.00 677.60 30.73 30.73 0.00 677.61 31.49 31.49 0.00 ism Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 44 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 677.62 32.26 32.26 0.00 677.63 33.04 33.04 0.00 677.64 33.82 33.82 0.00 677.65 34.61 34.61 0.00 677.66 35.40 35.40 0.00 677.67 36.20 36.20 0.00 677.68 37.01 37.01 0.00 677.69 37.82 37.82 0.00 677.70 38.64 38.64 0.00 677.71 39.47 39.47 0.00 677.72 40.30 40.30 0.00 677.73 41.13 41.13 0.00 677.74 41.98 41.98 0.00 677.75 42.82 42.82 0.00 677.76 43.68 43.68 0.00 677.77 44.54 44.54 0.00 677.78 45.40 45.40 0.00 677.79 46.27 46.27 0.00 677.80 47.15 47.15 0.00 677.81 48.03 48.03 0.00 677.82 48.91 48.91 0.00 677.83 49.80 49.80 0.00 677.84 50.70 50.70 0.00 677.85 51.60 51.60 0.00 677.86 52.51 52.51 0.00 677.87 53.43 53.43 0.00 677.88 54.34 54.34 0.00 677.89 55.27 55.27 0.00 677.90 56.20 56.20 0.00 677.91 57.13 57.13 0.00 677.92 58.07 58.07 0.00 677.93 59.01 59.01 0.00 677.94 59.96 59.96 0.00 677.95 60.92 60.92 0.00 677.96 61.88 61.88 0.00 677.97 62.84 62.84 0.00 677.98 63.81 63.81 0.00 677.99 64.78 64.78 0.00 678.00 65.76 65.76 0.00 678.01 66.75 66.75 0.00 678.02 67.74 67.74 0.00 678.03 68.73 68.73 0.00 678.04 69.73 69.73 0.00 678.05 70.73 70.73 0.00 678.06 71.74 71.74 0.00 678.07 72.76 72.76 0.00 678.08 73.77 73.77 0.00 678.09 74.80 74.80 0.00 678.10 75.82 75.82 0.00 678.11 76.86 76.86 0.00 678.12 77.89 77.89 0.00 678.13 78.93 78.93 0.00 678.14 79.98 79.98 0.00 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 678.15 81.03 81.03 0.00 678.16 82.08 82.08 0.00 678.17 83.14 83.14 0.00 678.18 84.21 84.21 0.00 678.19 85.28 85.28 0.00 678.20 86.35 86.35 0.00 678.21 87.43 87.43 0.00 678.22 88.51 88.51 0.00 678.23 89.60 89.60 0.00 678.24 90.69 90.69 0.00 678.25 91.78 91.78 0.00 678.26 92.88 92.88 0.00 678.27 93.99 93.99 0.00 678.28 95.09 95.09 0.00 678.29 96.21 96.21 0.00 678.30 97.32 97.32 0.00 678.31 98.45 98.45 0.00 678.32 99.57 99.57 0.00 678.33 100.70 100.70 0.00 678.34 101.84 101.84 0.00 678.35 102.97 102.97 0.00 678.36 104.12 104.12 0.00 678.37 105.26 105.26 0.00 678.38 106.41 106.41 0.00 678.39 107.57 107.57 0.00 678.40 108.73 108.73 0.00 678.41 109.89 109.89 0.00 678.42 111.06 111.06 0.00 678.43 112.23 112.23 0.00 678.44 113.41 113.41 0.00 678.45 114.59 114.59 0.00 678.46 115.77 115.77 0.00 678.47 116.96 116.96 0.00 678.48 118.15 118.15 0.00 678.49 119.35 119.35 0.00 678.50 120.55 120.55 0.00 678.51 121.96 121.75 0.21 678.52 123.55 122.96 0.59 678.53 125.26 124.17 1.09 678.54 126.96 125.29 1.67 678.55 127.79 125.46 2.34 678.56 128.70 125.62 3.07 678.57 129.66 125.79 3.87 678.58 130.69 125.95 4.73 678.59 131.77 126.12 5.65 678.60 132.90 126.28 6.61 678.61 134.08 126.45 7.63 678.62 135.31 126.61 8.69 678.63 136.58 126.78 9.80 678.64 137.90 126.94 10.96 678.65 139.26 127.10 12.15 678.66 140.65 127.27 13.39 678.67 142.09 127.43 14.66 WN Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 45 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 678.68 143.57 127.60 15.97 678.69 145.08 127.76 17.32 678.70 146.63 127.92 18.71 678.71 148.24 128.08 20.16 678.72 149.89 128.25 21.64 678.73 151.58 128.41 23.17 678.74 153.30 128.57 24.73 678.75 155.06 128.73 26.33 678.76 156.86 128.89 27.96 678.77 158.69 129.06 29.63 678.78 160.55 129.22 31.34 678.79 162.46 129.38 33.08 678.80 164.39 129.54 34.85 678.81 166.36 129.70 36.66 678.82 168.36 129.86 38.50 678.83 170.39 130.02 40.38 678.84 172.46 130.18 42.28 678.85 174.56 130.34 44.22 678.86 176.69 130.50 46.19 678.87 178.86 130.66 48.20 678.88 181.05 130.82 50.23 678.89 183.28 130.98 52.30 678.90 185.54 131.14 54.40 678.91 187.90 131.29 56.61 678.92 190.30 131.45 58.85 678.93 192.74 131.61 61.13 678.94 195.22 131.77 63.45 678.95 197.73 131.93 65.80 678.96 200.28 132.08 68.19 678.97 202.86 132.24 70.62 678.98 205.48 132.40 73.08 678.99 208.13 132.56 75.57 679.00 210.82 132.71 78.11 679.01 213.55 132.87 80.68 679.02 216.31 133.03 83.28 679.03 219.11 133.18 85.92 679.04 221.94 133.34 88.60 679.05 224.81 133.50 91.31 679.06 227.71 133.65 94.06 679.07 230.65 133.81 96.84 679.08 233.62 133.96 99.66 679.09 236.63 134.12 102.52 679.10 239.68 134.27 105.41 679.11 242.46 134.43 108.03 679.12 245.26 134.58 110.68 679.13 248.09 134.74 113.35 679.14 250.93 134.89 116.04 679.15 253.79 135.05 118.74 679.16 256.67 135.20 121.47 679.17 259.57 135.35 124.22 679.18 262.50 135.51 126.99 679.19 265.44 135.66 129.78 679.20 268.40 135.82 132.58 Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 679.21 271.38 135.97 135.41 679.22 274.37 136.12 138.25 679.23 277.39 136.27 141.12 679.24 280.43 136.43 144.00 679.25 283.48 136.58 146.90 679.26 286.55 136.73 149.82 679.27 289.64 136.88 152.76 679.28 292.75 137.04 155.72 679.29 295.88 137.19 158.69 679.30 299.02 137.34 161.68 679.31 302.19 137.49 164.69 679.32 305.36 137.64 167.72 679.33 308.56 137.79 170.77 679.34 311.78 137.94 173.83 679.35 315.01 138.10 176.91 679.36 318.26 138.25 180.01 679.37 321.52 138.40 183.12 679.38 324.80 138.55 186.26 679.39 328.10 138.70 189.40 679.40 331.42 138.85 192.57 679.41 334.75 139.00 195.75 679.42 338.10 139.15 198.95 679.43 341.46 139.30 202.16 679.44 344.84 139.45 205.40 679.45 348.24 139.59 208.64 679.46 351.65 139.74 211.91 679.47 355.08 139.89 215.19 679.48 358.52 140.04 218.48 679.49 361.98 140.19 221.79 679.50 365.46 140.34 225.12 679.51 369.03 140.49 228.55 679.52 372.63 140.63 231.99 679.53 376.24 140.78 235.46 679.54 379.87 140.93 238.94 679.55 383.52 141.08 242.44 679.56 387.18 141.23 245.96 679.57 390.87 141.37 249.49 679.58 394.57 141.52 253.04 679.59 398.28 141.67 256.62 679.60 402.02 141.81 260.20 679.61 405.77 141.96 263.81 679.62 409.54 142.11 267.43 679.63 413.33 142.25 271.07 679.64 417.13 142.40 274.73 679.65 420.95 142.55 278.40 679.66 424.79 142.69 282.10 679.67 428.64 142.84 285.80 679.68 432.51 142.98 289.53 679.69 436.40 143.13 293.27 679.70 440.31 143.27 297.03 679.71 444.06 143.42 300.64 679.72 447.83 143.57 304.26 679.73 451.61 143.71 307.90 isN Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 46 Stage -Discharge for Pond 2P: Wet Pond 2 (continued) Elevation Discharge Primary Secondary (feet) (cfs) (cfs) (cfs) 679.74 455.40 143.85 311.54 679.75 459.20 144.00 315.20 679.76 463.02 144.14 318.87 679.77 466.84 144.29 322.56 679.78 470.68 144.43 326.25 679.79 474.54 144.58 329.96 679.80 478.40 144.72 333.68 679.81 482.28 144.86 337.41 679.82 486.16 145.01 341.15 679.83 490.06 145.15 344.91 679.84 493.97 145.29 348.68 679.85 497.89 145.44 352.46 679.86 501.83 145.58 356.25 679.87 505.77 145.72 360.05 679.88 509.73 145.87 363.86 679.89 513.69 146.01 367.68 679.90 517.67 146.15 371.52 679.91 521.59 146.29 375.30 679.92 525.52 146.44 379.08 679.93 529.46 146.58 382.88 679.94 533.41 146.72 386.68 679.95 537.36 146.86 390.50 679.96 541.33 147.00 394.32 679.97 545.30 147.15 398.16 679.98 549.29 147.29 402.00 679.99 553.28 147.43 405.85 680.00 557.28 147.57 409.71 WE Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 47 Stage -Area -Storage for Pond 2P: Wet Pond 2 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 675.50 39,518 0 675.51 39,574 395 675.52 39,630 791 675.53 39,685 1,188 675.54 39,741 1,585 675.55 39,797 1,983 675.56 39,853 2,381 675.57 39,908 2,780 675.58 39,964 3,179 675.59 40,020 3,579 675.60 40,076 3,980 675.61 40,131 4,381 675.62 40,187 4,782 675.63 40,243 5,184 675.64 40,299 5,587 675.65 40,354 5,990 675.66 40,410 6,394 675.67 40,466 6,799 675.68 40,522 7,204 675.69 40,577 7,609 675.70 40,633 8,015 675.71 40,689 8,422 675.72 40,745 8,829 675.73 40,800 9,237 675.74 40,856 9,645 675.75 40,912 10,054 675.76 40,968 10,463 675.77 41,024 10,873 675.78 41,079 11,284 675.79 41,135 11,695 675.80 41,191 12,106 675.81 41,247 12,519 675.82 41,302 12,931 675.83 41,358 13,345 675.84 41,414 13,758 675.85 41,470 14,173 675.86 41,525 14,588 675.87 41,581 15,003 675.88 41,637 15,419 675.89 41,693 15,836 675.90 41,748 16,253 675.91 41,804 16,671 675.92 41,860 17,089 675.93 41,916 17,508 675.94 41,971 17,928 675.95 42,027 18,348 675.96 42,083 18,768 675.97 42,139 19,189 675.98 42,194 19,611 675.99 42,250 20,033 676.00 42,306 20,456 676.01 42,335 20,879 676.02 42,364 21,303 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 676.03 42,392 21,726 676.04 42,421 22,151 676.05 42,450 22,575 676.06 42,479 23,000 676.07 42,508 23,424 676.08 42,536 23,850 676.09 42,565 24,275 676.10 42,594 24,701 676.11 42,623 25,127 676.12 42,651 25,553 676.13 42,680 25,980 676.14 42,709 26,407 676.15 42,738 26,834 676.16 42,767 27,262 676.17 42,795 27,690 676.18 42,824 28,118 676.19 42,853 28,546 676.20 42,882 28,975 676.21 42,911 29,404 676.22 42,939 29,833 676.23 42,968 30,263 676.24 42,997 30,692 676.25 43,026 31,122 676.26 43,055 31,553 676.27 43,083 31,984 676.28 43,112 32,415 676.29 43,141 32,846 676.30 43,170 33,277 676.31 43,198 33,709 676.32 43,227 34,141 676.33 43,256 34,574 676.34 43,285 35,006 676.35 43,314 35,439 676.36 43,342 35,873 676.37 43,371 36,306 676.38 43,400 36,740 676.39 43,429 37,174 676.40 43,458 37,609 676.41 43,486 38,043 676.42 43,515 38,478 676.43 43,544 38,914 676.44 43,573 39,349 676.45 43,602 39,785 676.46 43,630 40,221 676.47 43,659 40,658 676.48 43,688 41,095 676.49 43,717 41,532 676.50 43,746 41,969 676.51 43,774 42,406 676.52 43,803 42,844 676.53 43,832 43,283 676.54 43,861 43,721 676.55 43,889 44,160 ON Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 48 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 676.56 43,918 44,599 676.57 43,947 45,038 676.58 43,976 45,478 676.59 44,005 45,918 676.60 44,033 46,358 676.61 44,062 46,798 676.62 44,091 47,239 676.63 44,120 47,680 676.64 44,149 48,121 676.65 44,177 48,563 676.66 44,206 49,005 676.67 44,235 49,447 676.68 44,264 49,890 676.69 44,293 50,332 676.70 44,321 50,776 676.71 44,350 51,219 676.72 44,379 51,663 676.73 44,408 52,106 676.74 44,436 52,551 676.75 44,465 52,995 676.76 44,494 53,440 676.77 44,523 53,885 676.78 44,552 54,330 676.79 44,580 54,776 676.80 44,609 55,222 676.81 44,638 55,668 676.82 44,667 56,115 676.83 44,696 56,562 676.84 44,724 57,009 676.85 44,753 57,456 676.86 44,782 57,904 676.87 44,811 58,352 676.88 44,840 58,800 676.89 44,868 59,249 676.90 44,897 59,697 676.91 44,926 60,147 676.92 44,955 60,596 676.93 44,983 61,046 676.94 45,012 61,496 676.95 45,041 61,946 676.96 45,070 62,396 676.97 45,099 62,847 676.98 45,127 63,298 676.99 45,156 63,750 677.00 45,185 64,202 677.01 45,214 64,653 677.02 45,244 65,106 677.03 45,273 65,558 677.04 45,302 66,011 677.05 45,332 66,464 677.06 45,361 66,918 677.07 45,391 67,372 677.08 45,420 67,826 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 677.09 45,449 68,280 677.10 45,479 68,735 677.11 45,508 69,190 677.12 45,537 69,645 677.13 45,567 70,100 677.14 45,596 70,556 677.15 45,625 71,012 677.16 45,655 71,469 677.17 45,684 71,925 677.18 45,713 72,382 677.19 45,743 72,840 677.20 45,772 73,297 677.21 45,802 73,755 677.22 45,831 74,213 677.23 45,860 74,672 677.24 45,890 75,130 677.25 45,919 75,590 677.26 45,948 76,049 677.27 45,978 76,508 677.28 46,007 76,968 677.29 46,036 77,429 677.30 46,066 77,889 677.31 46,095 78,350 677.32 46,125 78,811 677.33 46,154 79,272 677.34 46,183 79,734 677.35 46,213 80,196 677.36 46,242 80,658 677.37 46,271 81,121 677.38 46,301 81,584 677.39 46,330 82,047 677.40 46,359 82,510 677.41 46,389 82,974 677.42 46,418 83,438 677.43 46,447 83,902 677.44 46,477 84,367 677.45 46,506 84,832 677.46 46,536 85,297 677.47 46,565 85,763 677.48 46,594 86,229 677.49 46,624 86,695 677.50 46,653 87,161 677.51 46,682 87,628 677.52 46,712 88,095 677.53 46,741 88,562 677.54 46,770 89,029 677.55 46,800 89,497 677.56 46,829 89,965 677.57 46,859 90,434 677.58 46,888 90,903 677.59 46,917 91,372 677.60 46,947 91,841 677.61 46,976 92,311 `fill Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 49 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 677.62 47,005 92,780 677.63 47,035 93,251 677.64 47,064 93,721 677.65 47,093 94,192 677.66 47,123 94,663 677.67 47,152 95,134 677.68 47,181 95,606 677.69 47,211 96,078 677.70 47,240 96,550 677.71 47,270 97,023 677.72 47,299 97,496 677.73 47,328 97,969 677.74 47,358 98,442 677.75 47,387 98,916 677.76 47,416 99,390 677.77 47,446 99,864 677.78 47,475 100,339 677.79 47,504 100,814 677.80 47,534 101,289 677.81 47,563 101,765 677.82 47,593 102,240 677.83 47,622 102,716 677.84 47,651 103,193 677.85 47,681 103,669 677.86 47,710 104,146 677.87 47,739 104,624 677.88 47,769 105,101 677.89 47,798 105,579 677.90 47,827 106,057 677.91 47,857 106,536 677.92 47,886 107,014 677.93 47,915 107,493 677.94 47,945 107,973 677.95 47,974 108,452 677.96 48,004 108,932 677.97 48,033 109,412 677.98 48,062 109,893 677.99 48,092 110,373 678.00 48,121 110,855 678.01 48,151 111,336 678.02 48,181 111,818 678.03 48,211 112,299 678.04 48,241 112,782 678.05 48,271 113,264 678.06 48,301 113,747 678.07 48,330 114,230 678.08 48,360 114,714 678.09 48,390 115,198 678.10 48,420 115,682 678.11 48,450 116,166 678.12 48,480 116,651 678.13 48,510 117,136 678.14 48,540 117,621 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 678.15 48,570 118,106 678.16 48,600 118,592 678.17 48,630 119,078 678.18 48,660 119,565 678.19 48,689 120,051 678.20 48,719 120,539 678.21 48,749 121,026 678.22 48,779 121,514 678.23 48,809 122,001 678.24 48,839 122,490 678.25 48,869 122,978 678.26 48,899 123,467 678.27 48,929 123,956 678.28 48,959 124,446 678.29 48,989 124,935 678.30 49,019 125,425 678.31 49,049 125,916 678.32 49,078 126,406 678.33 49,108 126,897 678.34 49,138 127,389 678.35 49,168 127,880 678.36 49,198 128,372 678.37 49,228 128,864 678.38 49,258 129,357 678.39 49,288 129,849 678.40 49,318 130,342 678.41 49,348 130,836 678.42 49,378 131,329 678.43 49,408 131,823 678.44 49,437 132,317 678.45 49,467 132,812 678.46 49,497 133,307 678.47 49,527 133,802 678.48 49,557 134,297 678.49 49,587 134,793 678.50 49,617 135,289 678.51 49,647 135,785 678.52 49,677 136,282 678.53 49,707 136,779 678.54 49,737 137,276 678.55 49,767 137,774 678.56 49,797 138,271 678.57 49,826 138,770 678.58 49,856 139,268 678.59 49,886 139,767 678.60 49,916 140,266 678.61 49,946 140,765 678.62 49,976 141,265 678.63 50,006 141,764 678.64 50,036 142,265 678.65 50,066 142,765 678.66 50,096 143,266 678.67 50,126 143,767 ON Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 50 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 678.68 50,156 144,269 678.69 50,185 144,770 678.70 50,215 145,272 678.71 50,245 145,775 678.72 50,275 146,277 678.73 50,305 146,780 678.74 50,335 147,283 678.75 50,365 147,787 678.76 50,395 148,291 678.77 50,425 148,795 678.78 50,455 149,299 678.79 50,485 149,804 678.80 50,515 150,309 678.81 50,545 150,814 678.82 50,574 151,320 678.83 50,604 151,826 678.84 50,634 152,332 678.85 50,664 152,838 678.86 50,694 153,345 678.87 50,724 153,852 678.88 50,754 154,359 678.89 50,784 154,867 678.90 50,814 155,375 678.91 50,844 155,883 678.92 50,874 156,392 678.93 50,904 156,901 678.94 50,933 157,410 678.95 50,963 157,920 678.96 50,993 158,429 678.97 51,023 158,939 678.98 51,053 159,450 678.99 51,083 159,961 679.00 51,113 160,472 679.01 51,144 160,983 679.02 51,174 161,494 679.03 51,205 162,006 679.04 51,236 162,518 679.05 51,267 163,031 679.06 51,297 163,544 679.07 51,328 164,057 679.08 51,359 164,570 679.09 51,389 165,084 679.10 51,420 165,598 679.11 51,451 166,113 679.12 51,482 166,627 679.13 51,512 167,142 679.14 51,543 167,657 679.15 51,574 168,173 679.16 51,605 168,689 679.17 51,635 169,205 679.18 51,666 169,722 679.19 51,697 170,238 679.20 51,727 170,756 Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 679.21 51,758 171,273 679.22 51,789 171,791 679.23 51,820 172,309 679.24 51,850 172,827 679.25 51,881 173,346 679.26 51,912 173,865 679.27 51,942 174,384 679.28 51,973 174,904 679.29 52,004 175,423 679.30 52,035 175,944 679.31 52,065 176,464 679.32 52,096 176,985 679.33 52,127 177,506 679.34 52,157 178,027 679.35 52,188 178,549 679.36 52,219 179,071 679.37 52,250 179,594 679.38 52,280 180,116 679.39 52,311 180,639 679.40 52,342 181,162 679.41 52,373 181,686 679.42 52,403 182,210 679.43 52,434 182,734 679.44 52,465 183,259 679.45 52,495 183,783 679.46 52,526 184,308 679.47 52,557 184,834 679.48 52,588 185,360 679.49 52,618 185,886 679.50 52,649 186,412 679.51 52,680 186,939 679.52 52,710 187,466 679.53 52,741 187,993 679.54 52,772 188,520 679.55 52,803 189,048 679.56 52,833 189,576 679.57 52,864 190,105 679.58 52,895 190,634 679.59 52,925 191,163 679.60 52,956 191,692 679.61 52,987 192,222 679.62 53,018 192,752 679.63 53,048 193,282 679.64 53,079 193,813 679.65 53,110 194,344 679.66 53,141 194,875 679.67 53,171 195,407 679.68 53,202 195,939 679.69 53,233 196,471 679.70 53,263 197,003 679.71 53,294 197,536 679.72 53,325 198,069 679.73 53,356 198,603 `fi[3 Kerns Ridge Type/1 24-hr 100-Year Rainfall=7.17" Prepared by McKim & Creed Printed 9/21/2022 HydroCAD® 10.00-15 s/n 03870 © 2015 HydroCAD Software Solutions LLC Page 51 Stage -Area -Storage for Pond 2P: Wet Pond 2 (continued) Elevation Surface Storage (feet) (sq-ft) (cubic -feet) 679.74 53,386 199,136 679.75 53,417 199,670 679.76 53,448 200,205 679.77 53,478 200,739 679.78 53,509 201,274 679.79 53,540 201,809 679.80 53,571 202,345 679.81 53,601 202,881 679.82 53,632 203,417 679.83 53,663 203,953 679.84 53,693 204,490 679.85 53,724 205,027 679.86 53,755 205,565 679.87 53,786 206,102 679.88 53,816 206,640 679.89 53,847 207,179 679.90 53,878 207,717 679.91 53,909 208,256 679.92 53,939 208,796 679.93 53,970 209,335 679.94 54,001 209,875 679.95 54,031 210,415 679.96 54,062 210,956 679.97 54,093 211,496 679.98 54,124 212,037 679.99 54,154 212,579 680.00 54,185 213,121