Loading...
HomeMy WebLinkAboutStormwater calculationsHydrograph Summary Report Page 1 Hyd- Hydrograph Peak Time Time to Volume Return Inflow Maximum Maximum Hydrograph No. type flow interval peak period hyd(s) elevation storage description (origin) (cis) (min) (min) (cult) (yrs) (ft) (cuft) 1 SCS Runoff 13.6 4 720 34,047 100 ---- - PRE: AREA 1 2 SCS Runoff 21.4 6 720 69,907 100 --- PRE: AREA 2 3 SCS Runoff 8.7 6 732 37,584 100 ---- PRE: AREA 3 4 Reservoir 3.9 6 750 69,907 100 2 940.79 26,190 PRE 2 ACROSS ROAD 6 SCS Runoff 5.7 4 720 15,626 10 ---- ---- PRE: AREA 1 7 SCS Runoff 9.5 6 726 33,198 10 — PRE: AREA 2 8 SCS Runoff 3.5 6 732 17,249 10 ---- PRE: AREA 3 9 Reservoir 2.6 6 744 33,198 10 7 939.53 9,684 PRE 2 ACROSS ROAD 11 SCS Runoff 0.5 4 724 3,023 1 --- ----- PRE: AREA 1 12 SCS Runoff 0.9 6 726 6,504 1 -- -- ----- PRE: AREA 2 13 SCS Runoff 0.2 6 744 3,058 1 -- ------ ---- PRE: AREA 3 14 Reservoir 0.1 6 846 a 3,058 1 x 13 938.12 629 PRE 2 ACROSS ROAD 16 SCS Runoff 30.4 6 720 95,677 100 --- ---- -- POST 17 Reservoir 9.2 6 738 95,677 100 16 , -yfm 940.64 - 33,094 -� a.r POST ACROSS ROAD -POST 19 SCS Runoff 14.7 6 726 48,921 10 20 Reservoir 5.6 6 738 4B,921 10 19 939.38 14,404 POST ACROSS ROAD 22 SCS Runoff 2.8 6 726 12,206 1 --- ----- -- POST 23 Reservoir 0.7 6 756 12,206 1 22 938.32 3,014 POST ACROSS ROAD Nyt �,a, f i J� ref^ z rz'G rr YR,j0YF ., j y(L. i�'-�n ��rZ�Z� �T" � _.���c �Attt�1 �. � i'C�e.?� _�:'T"�1•.. ��("� - tell Proj. file: CARRIAGE042399.G W 1DF file: Sample.idf Run date: 04-23-1999 Hydrograph Report Hyd. No. 1 PRE: AREA 1 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff = 100 yrs = 5.16 ac = 10.7 % = LAG = 5.90 in = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 11,93 10.97 12.00 13.63 << 12.07 11.11 End Peak discharge Time interval Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor Page 1 English = 13.63 cfs 4 min 61 470 ft 8.9 min Type 11 484 Total Volume = 34,047 cult Hydrograph Report Page 1 English Hyd. No. 2 PRE: AREA 2 Hydrograph type = SCS Runoff Peak discharge = 21.43 cfs Storm frequency = 100 yrs Time interval = 6 min Drainage area = 9.75 ac Curve number = 63 Basin Slope = 3.2 % Hydraulic length = 470 ft Tc method = LAG Time of conc. (Tc) = 15.6 min Total precip. = 5.90 in Distribution = Type it Storm duration = 24 hrs Shape factor 484 Total Volume = 69,907 cuft Hydrograph Discharge Table Time -- outflow (hrs cfs) 11.90 12.85 12.00 21.43 « 12.10 21.28 12.20 14.22 End Hydrograph Report Hyd. No. 3 PRE: AREA 3 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff = 100 yrs = 5.34 ac = 3.2 % = LAG = 5.90 in = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.00 6.17 12.10 8.40 12.20 8.73 <c 12.30 7.40 12.40 5.89 End Page 1 English Peak discharge = 8.73 cfs Time interval = 6 min Curve number = 61 Hydraulic length = 720 ft Time of conc. (Tc) = 23.1 min Distribution = Type II Shape factor = 484 Total Volume = 37,5B4 cult Hydrograph Report Page 1 English Hyd. No. 4 PRE 2 ACROSS ROAD Hydrograph type = Reservoir Peak discharge = 3.87 cfs Storm frequency = 100 yrs Time interval = 6 min Inflow hyd. No. = 2 Reservoir name = EXIST CULVERT Max. Elevation = 940.79 ft Max. Storage = 26,190 cuft Storage Indicabon method used. Total Volume = 69,907 CA Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 12.00 21.43 << 939.72 2.82 -- ----- ----- ----- ---- 2.82 12.10 21.28 940.27 3.40 ---- ----- ---- ----- ---- - -- 3.40 12.20 14.22 940.58 3.68 ----- ----- --- ---- --- ---- 3.68 12.30 7.83 940.73 3.82 ----- ---- ---- _-__ _3.82 12.40 4.58 940-78 3.86 -- ---_ ----- ---- -- 3.86 12.50 3.95 940.79 << 3-87 ----_ -_-- --- --- 3.87 << 12.60 3.35 940.78 3.86 - --- • • ----- ----- ---- ---- 3.86 12.70 2.89 940.77 3.85 ----- --, - _ __ _3.85 12.80 2.60 940.75 3.83 ----- --- ---- ----- ----- ----- 3.83 12.90 2.42 940.72 3.81 ----- _____ ___ _- 3.81 13.00 2.26 940.69 3,78 -- -- ----- ---- 3.78 13.10 2.12 940.65 3.75 -- - --_ ---• - ----- -- .. ---- 3.75 13.20 1.99 940.62 3.72 3.72 13.30 1.89 940.58 3.69 ----- ---- - ----- ----- ----- ---• 3.69 13.40 1.80 940.54 3.65 -- - ----- --- ___-- _-- .,, 3.65 13.50 1.72 940.50 3.62 ----- --- -- 3.62 13.60 1.64 940.46 3.58 3.58 13.70 1.56 940.42 3.54 --- ----- ----- ___ _ -_ 3.54 13.80 1.49 940.38 3.50 --T- ----- ----- ----- --- ---- 3.50 13.90 1.43 940.33 3.46 --� ---�- ..-_ ____ __- 3.46 14.00 1.36 940.29 3.42 - --- �-- _ -- 3.42 14.10 1.31 940.25 3.38 ----- - �. _--. -_- 3-38 14.20 1.26 940.20 3.34 ---- ----- ----- ---- ----- 3.34 1430 1.23 940.16 3.29 --- -- ----- _-_ -_- 3.29 14.40 1.20 940.12 3.25 ----- �- -_- __-- 3.25 14.50 1.18 940.07 3.21 ----- �- --� --_ ----- 3.21 14.60 1.16 940.03 3.16 ---- --- ---- 3.16 14.70 1.14 939.97 3.10 ----- 3.10 14.80 1.12 939.88 3.00 ----- --- ---- - -- 3.00 14,90 1.10 939.78 2.89 ----- --- ---- - -- 2.89 15.00 1.08 939.68 2.77 ----- ----- -- - ___-_ -- - 2.77 15.10 1.06 939.59 2.66 ----- -- - -- -- -- --. 2.66 15.20 1.03 939-50 2.55 -- --- - -- --- - ---- ---- 2.55 15.30 1.01 939.42 2.45 --- ----- -- -- - -- - • 2.45 15.40 0.99 939.34 2-34 _-- ---- ---- - ---- --- 2.34 15.50 0.97 939.26 2.23 ----- --- -- -- 2.23 Continues on next page... PRE 2 ACROSS ROAD Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A (hrs) cfs ft cfs cfs cfs cfs cfs 15.60 0.94 939.20 2.13 ----- --_-_ 15.70 0-92 939.13 2.02 ----- ----- ---__ ... End Page 2 Wr B Wr C Wr D Outflow cfs cfs cfs cfs -- 2.13 -- 2.02 Reservoir Report Page 1 Reservoir No. 2 - EXIST CULVERT English Pond Data Pond storage is based on known contour areas Stage 1 Storage Table Stage Elevation Contour area Incr. Storage Total storage ft ft sgft tuft cult 0.00 938.02 00 0 0 2.00 940.00 12,925 12,796 12,796 3.00 941.00 21,026 16,975 29,771 3.50 941.50 27,648 12,169 41,940 4.00 942.00 37,148 15,858 56,983 Culvert/ Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise in = 12.0 0.0 0.0 0.0 Crest Len ft = 15.0 0-0 0-0 0.0 Span in = 12.0 0.0 0.0 0-0 Crest El. ft = 941.41 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Weir Coeff. = 2.70 0.00 0-00 0.00 Invert El. ft 938.02 0,00 0.00 0.00 Eqn. Exp. = 1.50 0-00 0-00 0.00 Length ft = 40.0 0.0 0.0 0-0 Multi -Stage = No No No No Slope % = 1.30 0.00 0.00 0.00 N-Value = .025 .000 .000 .000 Orif. Coeff. = 0.68 0.00 0.00 0.00 Multi -Stage = ---- No No No Tailwater Elevation = 0.00 ft Stage 1 Storage 1 Discharge Table Note., All outflows have been analyzed under Inlet and outlet wnlrol. Stage Storage Elevation Clv A Clv B Civ C Clv D Wr A Wr B Wr C Wr D Discharge ft tuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 938.02 0.00 --- --- 0.00 --- - 0.00 2.00 12,796 940.00 3.13 -- --- 0.00 -- - 3.13 3.00 29,771 941.00 4.04 --- -- 0,00 --- -- - 4.04 3.50 41,940 941.50 4.43 -- - 1.09 --- - - -- 5.52 4.00 56,983 942.00 4.78 - --- 18.36 --- - 23.14 Hydrograph Report Hyd. No. 6 PRE: AREA 1 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff = 10 yrs = 5.16 ac 10.7 % = LAG = 4.15 in = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 11.93 4.10 12.00 5.69 << 12.07 4.90 12.13 110 End Page 1 English Peak discharge = 5.69 cfs Time interval 4 min Curve number 61 Hydraulic length = 470 ft Time of conc. (Tc) = 8.9 min Distribution = Type II Shape factor - 484 Total Volume = 15,626 cult Hydrograph Report Hyd. No. 7 PRE: AREA 2 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff = 10 yrs = 9.75 ac = 3.2 % = LAG = 4.15 in = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.00 8.90 12.10 9.54 « 1220 6.68 End Page 1 English Peak discharge = 9.54 cfs Time interval = 6 min Curve number = 63 Hydraulic length = 470 ft Time of conc. (Tc) = 15.6 min Distribution = Type II Shape factor = 484 Total Volume = 33,198 tuft I Hydrograph Report Hyd. No. 8 PRE: AREA 3 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff = 10 yrs = 5.34 ac = 3.2 % = LAG = 4.15 in = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.00 2.09 12.10 3.18 12.20 3.53 << 12.30 3.12 12.40 2.60 12.50 1.99 End Page 1 English Peak discharge 3.53 cfs Time interval = 6 min Curve number = 61 Hydraulic length = 720 ft Time of conc. (Tc) = 23.1 min Distribution = Type 11 Shape factor = 484 Total Volume = 17,249 cult Hydrograph Report Page 1 English Hyd. No. 9 PRE 2 ACROSS ROAD Hydrograph type Reservoir Peak discharge = 2.60 cfs Storm frequency 10 yrs Time interval = 6 min Inflow hyd. No. = 7 Reservoir name = EXIST CULVERT Max. Elevation = 939.53 ft Max. Storage = 9,684 cuft Storage Indication method used - Total vOlUml? s 33,198 cuff Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs US cfs cfs 12.10 9.54 << 939.01 1.84 ----- ----- - -- - ----- ----- - - -- 1.84 12.20 6.68 939.35 2.35 ----- --- - --- ----- ----- 2.35 12.30 3.87 939.50 2,56 ----- ----- - ----- ----- - 2.56 12.40 2-33 939-53 << 2.60 ---- -- ----- ---- --- 2.60 << 12.50 2.02 939,51 2.57 ---- ---- --_-- ----- ----- 2.57 12.60 1.73 939A7 2.52 --- ----- 2-52 12-70 1.50 939A2 2.46 --- -- -- ----- ----- 2,46 12.80 1.35 939.37 2.38 - ---- ---- ----- ---- 2.38 12,90 1.26 939.31 2.30 -- - ----- -- ---- ----- 2.30 13.00 1.19 939.25 2.21 --- ---- ---- ----- ----- 2.21 13.10 1.11 939.19 2.13 --- - ---- ----- 2.13 13-20 1.05 939.14 2.04 ---- --- -- -- -- ----- 2.04 13.30 1.00 939.08 1.95 ----- ---- --- ---_- --- 1.95 13.40 0.96 939,03 1.86 1.86 13.50 0.91 938.98 1.83 1.83 13.60 0.87 938-93 1,80 ----- .� 1.80 13.70 0.83 938.88 1.78 ---- ---- -- --- ----- 1.78 13.80 0.80 938.82 1.76 - ---- --- --- ----- 1.76 13.90 0.76 938,77 1.64 ---- ---- - --- - ----- 1.64 14.00 0.73 938.72 1.52 --- --- ----- ----- 1.52 14.10 0.70 938.68 1.42 - --- ---- ---- -_-- __-- --_ 1.42 14.20 0.68 938.64 1.32 - --__ -- ___ __-- ----- 1.32 -End Reservoir Report Page 1 Reservoir No. 2 - EXIST CULVERT English Pond Data Pond storage is based on known contour areas Stage 1 Storage Table Stage Elevation Contour area Incr. Storage Total storage ft ft sqft cuft cuff 0.00 938.02 00 0 0 2-00 940.00 12,925 12,796 12,796 3.00 941.00 21,026 16,975 29,771 3.50 941.50 27,648 12,169 41,940 4.00 942.00 37,148 15,858 56,983 Culvert 1 Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise in - 12.0 0-0 0.0 0.0 Crest Len ft = 15.0 0.0 0.0 0.0 Span in = 12.0 0.0 &0 0.0 Crest El. ft = 941.41 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Weir Coeff. = 2-70 0-00 0.00 0.00 Invert El. ft 938.02 0.00 0.00 0.00 Eqn. Exp. = 1.50 0.00 0.00 0.00 Length ft = 40.0 0.0 0.0 0.0 Multi -Stage = No No No No Slope % = 1-30 0.00 0.00 0.00 N-Value = .025 .000 .000 .000 Orif. Coeff. = 0.68 0.00 0.00 0.00 Multi -Stage ----- No No No Tailwater Elevation = 0.00 ft Stage 1 Storage 1 Discharge Table Note: All outflows have been analyzed under inlet and outlet control. Stage Storage Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Discharge ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 938.02 0.00 -- 0.00 -- - 0.00 2.00 12,796 940.00 3-13 --- -- 0.00 - -- 3.13 3.00 29,771 941.00 4.04 -- 0.00 --- -- 4.04 3.50 41,940 941.50 4.43 -_ 1.09 --- --- ... 5 52 4.00 56,983 942.00 4-78 . . . -- 18.36 - -- 23.14 Hydrograph Report Hyd. No. 11 PRE: AREA 1 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 5.16 ac Basin Slope = 10.7 % Tc method = LAG Total precip. = 2.35 in Storm duration = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.00 0.35 12.07 0,46 << 12.13 0.39 12.20 0.28 End Page 1 English Peak discharge 0.46 cfs Time interval = 4 min Curve number 61.9 Hydraulic length = 470 ft Time of conc. (Tc) = 8.7 min Distribution = Type 11 Shape factor = 484 Total Volume = 3,023 cult Hydrograph Report Hyd. No. 12 PRE: AREA 2 Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff = 1 yrs = 9.75 ac = 3.2 % = LAG = 2.35 in = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.00 0.51 12.10 0.92 << 12.20 0.83 12.30 0.66 12.40 0.46 End Page 1 English Peak discharge 0.92 cfs Time interval 6 min Curve number 63 Hydraulic length = 470 ft Time of conc. (Tc) = 15.6 min Distribution = Type Il Shape factor = 484 Total Volume = 6,504 colt Hydrograph Report Hyd. No. 13 PRE: AREA 3 Hydrograph type = SCS Runoff Peak discharge 0.25 cfs Storm frequency = 1 yrs Time interval 6 min Drainage area = 5.34 ac Curve number = 61.2 Basin Slope = 3.2 % Hydraulic length 720 ft Tc method = LAG Time of conc. (Tc) 23 min Total precip. = 2.35 in Distribution = Type II Storm duration = 24 hrs Shape factor 484 Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.10 0.14 12.20 0.22 12.30 0.24 12.40 0.25 << 12.50 0.24 12.60 0.21 12.70 0.18 12.80 0.16 12.90 0.15 13.00 0.14 13.10 0.13 13.20 0.13 ... End Page 9 English Total Volume = 3,058 cult Hydrograph Report Page 1 English Hyd. No. 14 PRE 2 ACROSS ROAD Hydrograph type Reservoir Peak discharge = 0.09 cfs Storm frequency = 1 yrs Time interval - 6 min Inflow hyd. No. = 13 Reservoir name = EXIST CULVERT Max. Elevation = 938.12 ft Max. Storage = 629 cuft storage indication method used Total Volume = 3,058 tuft Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Civ D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 12.50 0-24 938.07 0.05 -- ---- ----- _-_ 0.05 12.60 0.21 938.08 0.06 - - 0.06 12.70 0.18 938.09 0.06 ----- 0.06 12.80 0.16 938.09 0.07 ----- - ---- 0.07 12.90 0.15 938.10 0.07 ---- ----- 0.07 13-00 0.14 938-10 0.08 ----- 0.08 13-10 0-13 938.11 0.08 ---- --- OM 13.20 0.13 938.11 0-08 ----- - - ----- 0.08 13.30 0.12 938,11 0.08 ----- ----- - 0.08 13.40 0-12 938.11 0.09 ----- --- -•-- -- 0.09 13.50 0.11 938.11 0.09 ---- --- �_ �._ _ 0.09 13.60 0.11 938.12 0-09 ----- --- - T --- 0.09 13.70 0.10 938.12 0.09 -- ----- 0,09 13.80 0.10 938.12 0.09 ---- 0.09 13.90 0.10 938.12 0.09 ----- ---- - -- ----- ----- 0.09 14.00 0.09 938.12 0.09 - ---- _-__ _-_ __-- - 0.09 14.10 0.09 938.12 << 0.09 -_- ----- 0.09 14.20 0.09 938-12 0.09 ----. �- -- - -- --- ---- « ---- 0.09 14.30 0.09 938.12 0-09 ----- 0.09 14.40 0.08 938.12 0.09 -- ----- ----- 0.09 14.50 0.08 938.12 0.09 --- �- �- - 0.09 14.60 0.08 938.12 0.09 ---- - -� -- - 0.09 14.70 0.08 938.12 0.09 - 0.09 14.80 0.08 938.12 0.09 ----- --- --_ --• ----- ----- 0.09 14.90 0.08 938.12 0.09 ----- ---- --- -- ----- ---- 0.09 15.00 0.08 938-11 0.09 ----- ---- ---- -- - .--- ---- 0.09 15.10 0.08 938.11 0.09 ---- ---- -- T --- - ._._. - 0.09 15.20 0-08 938.11 0.09 --- ----_ �-- ---� - _ -� 0.09 15.30 0.08 938.11 0.09 -� ---- ---- �.. • . 0.09 15.40 0.07 938.11 0.09 --- ----- -_-- ____ �..- 0.09 15.50 0.07 938,11 0,09 ---- ----_ _,_ �- 0.09 15.60 0.07 938.11 0.08 ---- ---- --_ ---- _�_. �_ --.- 0.08 15.70 0.07 938.11 0.08 ---- -� --- ---- - ---- 0.08 15.80 0.07 938.11 0.08 0.08 15.90 0.07 938.11 0.08 ,--- ----- ---- -_-- - -- 0.08 16.00 0.07 938.11 0.08 _---- ---- 0.08 Continues on next page-.. PRE 2 ACROSS ROAD Page 2 Hydrograph Discharge Table Time Inflow Elevation CIv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 16.10 0.06 938.11 0.08 ----- --- ----- --- 0.08 16.20 0.06 938.11 0.08 ----- - - ----- ----- 0.08 16.30 0.06 938.10 0.08 ----- ----- ---- --- -- ----- 0.08 16.40 0.06 938.10 0.08 ----- ----- ----- ---- 0.08 16.50 0.06 938.10 0.08 ----- ---- --- ..--- ---- ----- 0.08 16.60 0.06 938.10 0.08 ----- - ----- ---_ -- ___-- ___-- 0.08 16.70 0.06 938.10 0.08 ---- �- -__-- -_ _ w- _--_ ___-- 0.08 16.80 0.06 938.10 0.07 ----- �-- --_- -___ -_. 0.07 16.90 0.06 938.10 0.07 ----- �- -_-- _-__ _ 0.07 17.00 0.06 938.10 0.07 ----- ---- --_ - -_--- 0.07 17.10 0.06 938.10 0.07 ----- --_- __-__ ----- 0.07 17.20 0.06 938.10 0.07 ----- ---- _-_ }.__- _---- ----- 0.07 17.30 0.06 938.10 0.07 ----- --� ---- .�. _ ----- ----- 0.07 17.40 0.06 938.10 0.07 ----- 0.07 17.50 0.06 938.09 0.07 ----- 0.07 17.60 0.06 938.09 0.07 ----- -i ---- _ --- - 0.07 17.70 0.06 938.09 0.07 ----- ----- ---_ 0.07 17.80 0.06 938.09 0.07 ----- ---- __-- ---_ _-_ ---- 0.07 17.90 0.06 938.09 0.07 ----- --- ----- ----- ---_ ----- 0.07 18.00 0.05 938-09 0.07 ----- ----- -- ----- _-- .-- 0.07 18.10 0-05 938.09 0.07 ----- ----- �- --_ _-- -.- 0.07 18-20 0.05 938.09 0-07 -- ----- T- ---- --- - 0.07 18.30 0.05 938.09 0.06 ----- ----- - ----- ---- -- 0.06 18.40 0.05 938.09 0.06 0.06 18.50 0.05 938.09 0.06 --� ---- -- --- ----- --- ---- 0.06 18.60 0.05 938.09 0.06 ---- --� ---- ----- ---- ---- --_ 0.06 18.70 0.05 938.09 0.06 ----- ---� ____ �. ____ 0.06 18.80 0.05 938.09 0.06 ----- 0-06 18-90 0.05 938.09 0.06 -- �--- __ __- _ ___. 0.06 19.00 0.05 938.08 0.06 ----- ____ -_ _� ___ _ 0.06 19.10 0.05 938.08 0.06 --� --- ----- --- ----- 0.06 19.20 0.05 938.08 0.06 ---- ---- ,-- -- ---- 0.06 19.30 0.05 938.08 0.06 ---- - - - ----- 0.06 19.40 0.05 938.08 0.06 ----- -- - ----- ----- 0.06 19-50 0.05 938.08 0.06 ----- -- - ---- --- ,-._ ----- 0.06 19.60 0.05 938.08 0.06 0.06 19.70 0.04 938.08 0.06 ----- --- --- -- - -_ - 0.06 19.80 0.04 938.08 0.06 --- - ----- ----- ---� -� -- T- 0.06 19.90 0.04 938.08 0.06 - _---- ---_ -- - _---- --- 0.06 20.00 0.04 938.08 0.05 ---- ____ _, ___ -_ _0.05 20-10 0.04 938.08 0.05 ----- --- --- --- ----- ---- --- 0.05 20.20 0.04 938.08 0.05 - -- --__ �--- ___ -_ _-_ 0.05 20-30 0.04 938.08 0.05 �- ----- --__ �.. _____ -_ 0.05 20.40 0.04 938.08 0.05 --- 0.05 20.50 0.04 938.08 0.05 ----- _--- _- -._ -_ __-- 0.05 20.60 0.04 938.07 0.05 - -• ----- ----- ----- ----- ---- 0.05 20-70 0.04 938-07 0.05 -^-- ___ ___ �., . ___-- 0.05 20-80 0.04 938.07 0.05 -- --- --- ---- ----- 0.05 20.90 0.04 938.07 0.05 ---- --- ----- 0.05 Continues on next page... PRE 2 ACROSS ROAD Hydrograph Discharge Table Page 3 Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 21.00 0.04 938.07 0.05 ----- ----- --_- 0.05 21.10 0.04 938.07 0.05 �.--. ----- --_-- ___-- --- 0.05 21.20 0.04 938.07 0.05 ----- ----- --- ----- ----- ---- 0.05 21.30 0.04 938.07 0.05 --- ----- ------ ----- --- - 0.05 21.40 0.04 938.07 0.05 -- ----- 0.05 21.50 0.04 938.07 0.05 •- ----- ��. 0.05 21.60 0.04 938.07 0.05 0.05 21.70 0.04 938.07 0.05 ---- - ----- --- ----- --- ---- 0.05 21.80 0.04 938.07 0.05 0.05 ...End Reservoir Report Page 1 Reservoir No. 2 - EXIST CULVERT English Pond Data Pond storage is based on known contour areas Stage 1 Storage Table Stage Elevation Contour area Incr. Storage Total storage ft ft sgft tuft cult 0.00 938.02 00 0 0 2.00 940.00 12,925 12,796 12,796 3.00 941.00 21,026 16,975 29,771 3.50 941.50 27,648 12,169 41,940 4.00 942.00 37,148 15,858 56,983 Culvert 1 Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise in = 12.0 0.0 0.0 0.0 Crest Len ft = 15.0 0.0 0.0 0.0 Span in 12.0 0.0 0.0 0.0 Crest El. ft = 941.41 0.00 0.00 0.00 No. Barrels 1 0 0 0 Weir Coeff. = 2.70 0.00 0-00 0.00 Invert El. ft 938.02 0.00 0.00 0.00 Eqn. Exp. = 1.50 0.00 0-00 0.00 Length ft 40.0 0.0 0-0 0.0 Multi -Stage = No No No No Slope % 1.30 0.00 0.00 0.00 N-Value = .025 .000 .000 .000 Orif. Coeff. = 0.68 0.00 0.00 0.00 Multi -Stage = ----- No No No Tailwater Elevation = 0.00 ft Stage 1 Storage 1 Discharge Table Notes All outffows have been analyzed under Met and outlet control. Stage Storage Elevation Clv A Clv B Clv C Civ D Wr A ft tuft ft cfs cfs cfs cfs cfs 0.00 0 938.02 0.00 -- --- --- 0.00 2.00 12,796 940,00 3.13 -- --- 0.00 3.00 29,771 941.00 4.04 --- - 0.00 3.50 41,940 941.50 4.43 --- - 1.09 4.00 56,983 942.00 4.78 ... --- --- 18.36 Wr B Wr C Wr D Discharge cfs cfs cfs cfs -- - 0.00 -- --- 3.13 --- - 4.04 5,52 --- -- 23.14 Hydrograph Report Hyd. No. 16 POST Hydrograph type = SCS Runoff Storm frequency = 100 yrs Drainage area = 11.05 ac Basin Slope = 3.3 % Tc method = LAG Total precip. = 5.90 in Storm duration = 24 hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 11.90 19.15 12,00 30.37 12.10 29.34 12.20 19.26 ... End Page I English Peak discharge = 30.37 cfs Time interval = 6 min Curve number = 68 Hydraulic length = 725 ft Time of conc. (Tc) = 19 min Distribution = Type II Shape factor - 484 Total Volume = 95,677 cult Hydrograph Report Hyd. No. 17 POST ACROSS ROAD Hydrograph type = Reservoir Storm frequency 100 yrs Inflow hyd. No. = 16 Max. Elevation = 940.64 ft Peak discharge Time interval Reservoir name Max. Storage Page 1 English = 9.17 cfs = 6 min = FINAL SUBMIT 33,094 cuft Storage Indication method mad Total Volume = 95.677 cuft Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 12.00 30.37 << 939.58 6.08 ---- ---- -•--- ----- ----- - 6.08 12.10 29.34 940.17 7.94 ---- ---- ----- ---- -- 7.94 12.20 19.26 940.52 8.86 --- _-- ---- ___ --- ----- 8.86 12.30 10.39 940.64 << 9.17 --- _ _ -_ _ 9.17 12.40 6.01 940.62 9.12 - ----- -. ---- ---- « 9.12 12-50 5-17 940.55 8.94 ----- --- --- --- - 8.94 12.60 4.36 940.46 8.72 ----- ----- 8.71 12.70 3.76 940.36 8.46 ---- ----- --.. ----_ ---- 8.46 12.80 3.37 940.26 8.18 ---- ----- ----- _- ----- 8-18 12.90 3.13 940.15 7-89 ----- ---- --- .� _ ___-- 7.89 13.00 2.93 940.05 7.60 ----- ----- --- �. ...� ___-- 7.60 13.10 2.74 939.94 7.26 ---- -- -- ----- - --•-- ----- 7-26 13.20 2.57 939.81 6.87 --- ___ _- .__._ ----- 6.87 13.30 2.44 939.70 6.49 ----- ---- _---- ----_ 6.49 13.40 2.32 939.59 6.10 ----- -- -- --- -- 6.10 13.50 2.21 939.49 5.73 ---- - ---- -- 5.73 13.60 2.10 939.39 _-- 5.37 ---- ---- - --- - ---- ----- 5.37 13.70 2.00 939.31 4.98 ---- --- --- ---- --- 4.98 13.80 1.91 939.23 4.60 --- _-- _-_ _-- - 4.60 ...End Reservoir Report Page 1 Reservoir No. 1 - FINAL SUBMIT English Pond Data Pond storage is based on known contour areas Stage 1 Storage Table Stage Elevation Contour area Incr. Storage Total storage ft ft sqft cult cult 0-00 938.00 8,797 0 0 1-00 939.00 10,244 9,521 9,521 2.00 940.00 15,607 12,926 22,447 3.00 941.00 17,418 16,513 38,960 4.00 941.50 22,421 19,919 58.879 Culvert 1 Orifice Structures [A] [B] [C] [D] Rise in = 18.0 0.0 0.0 0.0 Span in = 18-0 0.0 0.0 0.0 No. Barrels = 1 0 0 0 Invert El. ft = 938.00 0.00 0.00 0,00 Length ft 50-0 0.0 0-0 0.0 Slope % = 1.30 0.00 0,00 0.00 N-Value = .025 .025 -000 -000 Cirif. Coeff. = 0.47 0.60 0.00 0.00 Multi -Stage = -- No No No Weir Structures [A] Crest Len ft = 0.0 Crest El. ft 0.00 Weir Coeff. = 0.00 Eqn. Exp. = 0-00 Multi -Stage = No [B] [C] [D] 0.0 0.0 0.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0,00 No No No Tailwater Elevation = 0.00 ft Nolm All outflows have been analyzed under inlet and outlet control Stage 1 Storage 1 Discharge Table Stage Storage Elevation CIv A Clv B Clv C Clv D Wr A Wr B Wr C Wr D Discharge ft tuft ft cfs cfs cfs cfs cfs cfs cfs cis cfs 0.00 0 938.00 0-00 --- - -- - 0.00 1-00 9,521 939.00 3.37 - -- --- --- -- 3.37 2.00 22,447 940.00 7.45 --- --- --. -- --_ -- 7,45 3.00 38,960 941.00 10.00 - -_ _.. __ -, 10.00 4.00 58,879 941,50 11.05 -- -- -� - - 11-05 Hydrograph Report Hyd. No. 19 POST Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration = SCS Runoff 10 yrs = 11.05 ac = 3.3 % = LAG = 4.15 in =24hrs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 11 M 8.33 12.00 14.50 12.10 14.71 << 12.20 9.97 End Peak discharge Time interval Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor Page 1 English = 14.71 cfs = 6 min 68 = 725 ft 19 min = Type If 484 Total Volume = 48,921 cuff Hydrograph Report Hyd. No. 20 POST ACROSS ROAD Hydrograph type = Reservoir Storm frequency = 10 yrs Inflow hyd. No. = 19 Max. Elevation = 939.38 ft Storage indication method used. Hydrograph Discharge Table Peak discharge Time interval Reservoir name Max. Storage Page 1 English 5.60 cfs 6 min = CITY COMP PLAN = 14,404 tuft Total Volume = 48,921 cult Time Inflow Elevation Clv A Clv B CIv C Clv D Wr A Wr B Wr C Wr D Outflow (hrs) cfs ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 12-10 14.71 << 939.10 1.48 2.93 ---- ----- ----- 4.41 12.20 9.97 939.31 1.77 3.41 - -- -- ---- ----- 5.17 12.30 5.58 939.38 << 2.06 3.54 ---- --- -__-- -- __-- 5.60 << 12.40 3.29 939.35 1.93 3.48 -- -- ----- ... --_ 5-41 12.50 2.84 939.29 1-69 3.36 ---- _ 5.05 12.60 2-41 939.22 1.57 3.22 --- 4.78 12.70 2.09 939.16 1.50 3.06 ----- 4.56 12.80 1.88 939.09 1 A7 2.90 --- - 4.36 12-90 1-75 939.02 1.40 2.72 --- ----- 4.13 13.00 1.64 938.95 1.30 2.29 ----- - ----- ----- .... 3.59 13.10 1.54 938.88 1.20 1.93 ----- ---- ----- ---- -- 3.13 13.20 1.45 938.82 1.11 1.84 -- -- --- ----- ---- -- 2.95 ...End Reservoir Report Reservoir No. 3 - CITY COMP PLAN Pond Data Pond storage is based on known contour areas Stage 1 Storage Table Stage Elevation It ft 0.00 938.00 1.00 939.00 2.00 940.00 3.00 941.00 4.00 941.50 Contour area Incr. Storage Total storage sgft cuft cuft 8,797 0 0 10,244 9,521 9,521 15,607 12,926 22,447 17,418 16,513 38,960 22,421 19,919 58.879 Culvert/ Orifice Structures [A] [B] [C] Rise in = 15.0 12.0 0.0 Span in 15.0 12.0 0.0 No. Barrels = 1 1 0 Invert El. ft = 938.00 938.00 0.00 Length ft = 50.0 50.0 0.0 Slope % = 0.25 1.30 0.00 N-Value = .025 .025 .000 4rif. Coeff. = 0.65 0.60 0.00 Multi -Stage = ----- No No [D] 0.0 0.0 0 0.00 0.0 0.00 .000 0.00 No Weir Structures [A] Crest Len ft = 0.0 Crest El. ft 0.00 Weir Coeff. = 0-00 Eqn. Exp. = 0-00 Multi -Stage = No Page 1 English [B] [C] [D] 0.0 0.0 0.0 0.00 0.00 0.00 0-00 0.00 0.00 0.00 0.00 0.00 No No No Tailwater Elevation = 0.00 ft Note: All outflows have been analyzed under mist and outlet wntrol Stage I Storage 1 Discharge Table Stage Storage Elevation Clv A Clv B Clv C CIv D Wr A Wr B Wr C Wr D Discharge ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 938.00 0-00 0.00 -- --- - --- 0.00 1.00 9,521 939-00 1.38 2.67 -- - 4.06 2.00 22,447 940.00 3.84 4.63 - -- --- 8 47 3.00 38,960 941.00 5.62 5.9$ - --- -- - 11.60 4.00 58,879 941.50 10.85 6.55 -- -- --- 17.40 Hydrograph Report Hyd. No. 22 POST Hydrograph type Storm frequency Drainage area Basin Slope Tc method Total precip. Storm duration SCS Runoff 1 yrs 11.05 ac = 3.3 % - LAG = 2.35 in = 24 h rs Hydrograph Discharge Table Time -- Outflow (hrs cfs) 12.00 2.13 12.10 2.77 << 12.20 2.18 12.30 1.42 End Page 1 English Peak discharge 2.77 cfs Time interval = 6 min Curve number 68 Hydraulic length = 725 ft Time of conc. (Tc) 19 min Distribution = Type II Shape factor = 484 Total Volume 12,206 cuff Hydrograph Report Hyd. No. 23 POST ACROSS ROAD Hydrograph type Reservoir Storm frequency = 1 yrs Inflow hyd. No. = 22 Max. Elevation = 938.32 ft Storage Indication method used. Peak discharge Time interval Reservoir name Max. Storage Hydrograph Discharge Table Time Inflow Elevation Clv A Clv B Clv C Clv D Wr A (hrs) cfs ft cfs cfs cfs cfs cfs 12.20 2.18 938.23 0.14 0.25 ----- 12.30 1-42 938.28 0.20 0.35 ----- 12.40 0.90 938.31 0.23 0.40 ----- 12.50 0.79 938.31 0.24 0.42 12.60 0.68 938.32 << 0.24 0.43 --- 12.70 0.60 938.32 0.24 0.42 ----- 12.80 0.55 938-31 0.24 0.42 12.90 0.51 938.31 0.23 0.40 13.00 0.49 938.30 0.23 0-39 13.10 0.46 938-30 0.22 0-38 ----- 13.20 0.43 938.29 0.21 0.37 13.30 0.42 938.29 0.21 0.36 13.40 0.40 938.28 0.20 0.35 ----- 13.50 0.38 938.28 0.19 0.33 - ----- 13.60 0.37 938.27 0.18 0.32 --- - 13.70 0.35 938.27 0.18 0.31 ---- -, - 13.80 0.34 938.26 0.17 0.30 ----- - ----- 13.90 0.32 938.26 0.16 0.29 ----- ---- --- 14.00 0.31 938.25 0.16 0.28 ----- ----- ---- 14.10 0.30 938.25 0.15 0.27 ----- ----- --- 14.20 0.29 938.24 0.14 0.26 ----- ---- -� 14.30 0.28 938.24 0.14 0.25 ----- ---- ____ 14.40 0.28 938.23 0.13 0.25 ---- ----- -- - 14.50 0.28 938.23 0.13 0.24 ----- --- 14.60 0.27 938.23 0.12 0.23 ----- ---- 14.70 0.27 938.22 0.12 0.22 ---- ---- 14.80 0.26 938.22 0.12 0.22 - --- .-End Page i English 0.67 cfs - 6 min = CITY COMP PLAN = 3,014 cult Total Volume = 12,206 tuft Wr B Wr C Wr D Outflow cfs cfs cfs cfs ---- ----- 0.39 ----- 0.56 -- 0.63 0.66 0-67 << 0.67 0.65 0.64 - - - 0.62 - -- 0.60 - - - -- 0.58 0.56 --- -- --- 0.54 --- -- --- 0.53 0.51 0.49 --- --- ----- 0.47 0.45 0.44 0.42 _... - 0.41 ---- - 0.39 0.38 �--- ----- --- 0.37 �- -- 0.36 ----- _--- -- 0.35 ---- ----- --- 0.34 Reservoir Report Page 1 Reservoir No. 3 - CITY COMP PLAN English Pond Data Pond storage is based on known contour areas Stage 1 Storage Table Stage Elevation Contour area Incr. Storage Total storage ft ft sqft cuft cult 0.00 938.00 8,797 0 0 1.00 939.00 10,244 9,521 9,521 2.00 940.00 15,607 12,926 22,447 3.00 941.00 17,418 16,513 38,960 4,00 941.50 22,421 19,919 58,879 Culvert 1 Orifice Structures Weir Structures [A] [B] [C] [D] [A] [Bl [C] [D] Rise in 15.0 12.0 0.0 0.0 Crest Len ft = 0.0 0.0 0.0 0.0 Span in 15.0 12.0 0.0 0.0 Crest El. ft = 0.00 0.00 0.00 0.00 No. Barrels 1 1 0 0 Weir Coeff. = 0.00 0.00 0.00 0.00 Invert El. ft 938.00 938.00 0.00 0-00 Eqn_ Exp. 0.00 0.00 0.00 0.00 Length ft = 50.0 50.0 0.0 0.0 Multi -Stage = No No No No Slope % = 0.25 1.30 0.00 0.00 N-Value .025 .025 .000 .000 Orif. Coeff. 0.65 0.60 0.00 0.00 Multi -Stage = No No No Tailwater Elevation = 0.00 ft Stage 1 Storage 1 Discharge Table Nola: All outflows stave been analyzed under inlet and outlet control. Stage Storage Elevation Clv A Clv B Clv C Clv D Wr A Wr B. Wr C Wr D Discharge ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cis 0.00 0 938.00 0.00 0.00 --- 0.00 1-00 9,521 939.00 1.38 2.67 --- 4.06 2.00 22,447 940.00 3.84 4.63 8.47 3.00 38,960 941.00 5.62 5.98 11.60 4.00 58,879 941.50 10.85 6.55 17.40