Loading...
HomeMy WebLinkAboutMULBERRY CONNECTION - FDP200030 - SUBMITTAL DOCUMENTS - ROUND 4 - DRAINAGE RELATED DOCUMENTPOUDRE VALLEY DEVELOPMENT DATE:1/18/2021 096501004 HMO DLS TYPE B/C SOIL ASPHALT/ CONCRETE ROOFTOP LAWNS, SANDY SOIL, AVG SLOPE LAND USE:AREA AREA AREA 2-YR RUNOFF COEFFICIENT 0.95 0.95 0.15 5-YR RUNOFF COEFFICIENT 0.95 0.95 0.15 100-YR RUNOFF COEFFICIENT 1.19 1.19 0.19 IMPERVIOUS %100%90%2% ASPHALT/ CONCRETE ROOFTOP LAWNS, SANDY SOIL, AVG SLOPE TOTAL DESIGN DESIGN AREA AREA AREA AREA BASIN POINT (AC)(AC)(AC)(AC)Cc(2)Cc(5)Cc(100)Imp % EX1 EX1 0.00 0.00 13.23 13.23 0.15 0.15 0.19 2% EX2 EX2 0.23 0.00 0.32 0.55 0.48 0.48 0.60 42% EX3 EX3 0.45 0.00 0.46 0.91 0.55 0.55 0.68 50% EX4A EX4A 0.17 0.00 0.06 0.23 0.73 0.73 0.91 73% EX4B EX4B 0.12 0.00 0.02 0.14 0.84 0.84 1.00 87% EX4C EX4C 0.09 0.00 0.00 0.09 0.92 0.92 1.00 97% A A 1.50 2.15 1.76 5.39 0.69 0.69 0.87 64% B1 B1 1.52 0.00 0.20 1.72 0.86 0.86 1.00 89% B2 B2 1.13 0.00 0.13 1.27 0.87 0.87 1.00 90% C C 0.91 1.63 1.09 3.63 0.71 0.71 0.89 66% D1 D1 0.04 0.00 0.12 0.16 0.35 0.35 0.44 27% D2 D2 0.02 0.00 0.11 0.14 0.29 0.29 0.36 19% O1 O1 0.00 0.00 0.52 0.52 0.15 0.15 0.19 2% O2 O2 0.03 0.00 0.04 0.07 0.50 0.50 0.62 44% O3 O3 0.02 0.00 0.01 0.03 0.58 0.58 0.72 55% O4 O4 0.00 0.00 0.14 0.14 0.15 0.15 0.19 2% TOTAL ON-SITE 13.07 0.70 0.70 0.86 66% TOTAL TO DETENTION (A+B+C+D)12.31 0.73 0.73 0.89 70% TOTAL TO LID BMP (A+B+C)12.01 0.74 0.74 0.91 71% TOTAL TO WQ IN POND (D)0.30 0.32 0.32 0.40 23% TOTAL OFFSITE NON-LANDSCAPE (O2+O3)0.10 0.52 0.52 0.65 47% TOTAL OFFSITE LANDSCAPE ONLY (O1+O4)0.66 0.15 0.15 0.19 2% OS1 OS1 0.83 0.00 0.08 0.91 0.88 0.88 1.00 91% OS2 OS2 0.55 0.00 0.41 0.96 0.60 0.60 0.76 58% OS3A OS3A 0.23 0.00 0.00 0.23 0.95 0.95 1.00 100% OS3B OS3B 0.14 0.00 0.00 0.14 0.95 0.95 1.00 100% OS3C OS3C 0.09 0.00 0.00 0.09 0.95 0.95 1.00 100% * NOTE: O1-O4 DO NOT CONTRIBUTE TO THE PROPOSED WATER QUALITY TREATMENT AND DETENTION POND. CHECKED BY: PROJECT NUMBER: CALCULATED BY: NOTE: C2-YR*1.00 PER FCSCM TABLE 3-2-3 OFF-SITE BASINS ON-SITE BASINS RUNOFF COEFFICIENTS - IMPERVIOUS CALCULATION PROJECT NAME: COMPOSITE RUNOFF COEFFICIENT NOTE: C2-YR*1.25 PER FCSCM TABLE 3-2-3 EXISTING BASINS POUDRE VALLEY DEVELOPMENT DATE: 1/18/2021 096501004 HMO DLS FINAL Tc DESIGN AREA C2 LENGTH SLOPE Ti LENGTH SLOPE n R VEL Tt MAX Tc MIN Tc BASIN Ac Ft %Min.Ft.%fps Min.Min.Min.Min.Min. EX1 13.23 0.15 500 0.6%46.1 600 0.6%0.032 0.654 2.8 3.6 49.7 12.8 5.0 12.8 EX2 0.55 0.48 62 0.4%12.2 560 1.0%0.032 0.654 3.5 2.7 14.9 10.3 5.0 10.3 EX3 0.91 0.55 75 3.0%6.2 465 0.6%0.032 0.654 2.8 2.8 9.0 10.4 5.0 9.0 EX4A 0.23 0.73 40 3.0%3.1 182 0.7%0.013 0.654 7.0 0.4 3.5 10.2 6.0 6.0 EX4B 0.14 0.84 40 2.2%2.4 149 0.6%0.013 0.654 6.7 0.4 2.7 10.2 7.0 7.0 EX4C 0.09 0.92 40 2.3%1.6 120 0.6%0.013 0.654 6.7 0.3 1.9 10.2 8.0 8.0 A 5.39 0.69 215 1.0%11.2 185 2.0%0.013 0.195 5.5 0.6 11.2 11.2 5.0 11.2 B1 1.72 0.86 200 2.0%5.1 239 0.6%0.013 0.195 3.0 1.3 5.1 11.1 5.0 5.1 B2 1.27 0.87 117 1.0%4.7 0.013 0.195 --4.7 10.7 6.0 6.0 C 3.63 0.71 240 2.5%8.3 430 0.5%0.013 0.195 2.7 2.6 8.3 11.3 5.0 8.3 D1 0.16 0.35 80 0.7%14.1 0.013 0.195 --14.1 10.4 5.0 10.4 D2 0.14 0.29 78 1.0%13.4 0.013 0.195 --13.4 10.4 5.0 10.4 O1 0.52 0.15 15 25.0%2.4 0.013 0.195 --2.4 10.1 5.0 5.0 O2 0.07 0.50 40 5.0%4.2 0.013 0.195 --4.2 10.2 5.0 5.0 O3 0.03 0.58 58 2.0%5.9 0.013 0.195 --5.9 10.3 5.0 5.9 O4 0.14 0.15 12 20.0%2.3 0.013 0.195 --2.3 10.1 5.0 5.0 OS1 0.910 0.88 30 1.0%2.3 490 1.0%0.032 0.654 3.5 2.3 4.6 10.2 5.0 5.0 OS2 0.959 0.60 30 2.0%4.0 990 0.5%0.013 0.654 6.1 2.7 6.7 10.2 5.0 6.7 OS3A 0.230 0.95 40 3.0%1.2 182 0.7%0.013 0.654 7.0 0.4 1.7 10.2 6.0 6.0 OS3B 0.135 0.95 40 2.2%1.4 149 0.6%0.013 0.654 6.7 0.4 1.7 10.2 7.0 7.0 OS3C 0.094 0.95 40 2.3%1.3 120 0.6%0.013 0.654 6.7 0.3 1.6 10.2 8.0 8.0 TIME OF CONCENTRATION MAXIMUM & MINIMUM TIME OF CONCENTRATION PROJECT NAME: PROJECT NUMBER: DATA INITIAL/OVERLAND TIME (Ti) CHANNELIZED TIME (Tt) SUB-BASIN CALCULATED BY: ON-SITE BASINS CHECKED BY: Tc 2-YEAR OFF-SITE BASINS EXISTING BASINS ܶ௜ =1.87(1.1 − ܥݔܥ௙ )ܮܵయ ܶ௖ =ܶ௜ +ܶ௧ܸ=1.49݊ ܴ ଶ/ଷ ܵ ଵ/ଶ ܶ௖,௠௔௫ =ܮ180 +10 POUDRE VALLEY DEVELOPMENT DATE: 1/18/2021 096501004 HMO DLS FINAL Tc DESIGN AREA C100 LENGTH SLOPE Ti LENGTH SLOPE n R VEL Tt MAX Tc MIN Tc BASIN Ac Ft %Min.Ft.%fps Min.Min.Min.Min.Min. EX1 13.23 0.19 500 0.6%44.3 600 0.6%0.032 0.654 6.9 1.4 45.7 12.8 5.0 12.8 EX2 0.55 0.60 62 0.4%9.8 560 1.0%0.032 0.654 8.6 1.1 10.9 10.3 5.0 10.3 EX3 0.91 0.68 75 3.0%4.7 465 0.6%0.032 0.654 6.8 1.1 5.8 10.4 5.0 5.8 EX4A 0.23 0.91 40 3.0%1.6 182 0.7%0.013 0.654 7.0 0.4 2.0 10.2 6.0 6.0 EX4B 0.14 1.00 40 2.2%0.9 149 0.6%0.013 0.654 6.7 0.4 1.3 10.2 7.0 7.0 EX4C 0.09 1.00 40 2.3%0.9 120 0.6%0.013 0.654 6.7 0.3 1.2 10.2 8.0 8.0 A 5.39 0.87 215 1.0%6.4 185 2.0%0.013 0.654 12.2 0.3 6.4 11.2 5.0 6.4 B1 1.72 1.00 200 2.0%2.1 239 0.6%0.013 0.654 6.7 0.6 2.1 11.1 5.0 5.0 B2 1.27 1.00 117 1.0%2.0 0.013 0.654 ######2.0 10.7 6.0 6.0 C 3.63 0.89 240 2.5%4.5 430 0.5%0.013 0.654 6.1 1.2 4.5 11.3 5.0 5.0 D1 0.16 0.44 80 0.7%12.5 0.013 0.654 ###### 12.5 10.4 5.0 10.4 D2 0.14 0.36 78 1.0%12.2 0.013 0.654 ###### 12.2 10.4 5.0 10.4 O1 0.52 0.19 15 25.0%2.3 0.013 0.654 ######2.3 10.1 5.0 5.0 O2 0.07 0.62 40 5.0%3.3 0.013 0.654 ######3.3 10.2 5.0 5.0 O3 0.03 0.72 58 2.0%4.2 0.013 0.654 ######4.2 10.3 5.0 5.0 O4 0.14 0.19 12 20.0%2.2 0.013 0.654 ######2.2 10.1 5.0 5.0 OS1 0.910 1.00 30 1.0%1.0 490 1.0%0.032 0.654 8.6 0.9 2.0 10.2 5.0 5.0 OS2 0.959 0.76 30 2.0%2.8 990 0.5%0.013 0.654 6.1 2.7 5.5 10.2 5.0 5.5 OS3A 0.230 1.00 40 3.0%0.8 182 0.7%0.013 0.654 7.0 0.4 1.3 10.2 6.0 6.0 OS3B 0.135 1.00 40 2.2%0.9 149 0.6%0.013 0.654 6.7 0.4 1.3 10.2 7.0 7.0 OS3C 0.094 1.00 40 2.3%0.9 120 0.6%0.013 0.654 6.7 0.3 1.2 10.2 8.0 8.0 CHECKED BY: TIME OF CONCENTRATION 100-YEAR PROJECT NAME: PROJECT NUMBER: CALCULATED BY: EXISTING BASINS ON-SITE BASINS OFF-SITE BASINS SUB-BASIN INITIAL/OVERLAND CHANNELIZED TIME Tc MAXIMUM & MINIMUM DATA TIME (Ti)(Tt)TIME OF CONCENTRATION ܶ௜ =1.87(1.1 − ܥݔܥ௙ )ܮܵయ ܶ௖ =ܶ௜ +ܶ௧ܸ=1.49݊ ܴ ଶ/ଷ ܵ ଵ/ଶ ܶ௖,௠௔௫ =ܮ180 +10 PROJECT NAME:POUDRE VALLEY DEVELOPMENT DATE: PROJECT NUMBER:096501004 CALCULATED BY:HMO CHECKED BY:DLS REMARKS DESIGNPOINTDESIGNBASINAREA(AC)RUNOFFCOEFFC2tc(min)C*A(ac)I(in/hr)Q(cfs)tc(max)S(C*A)(ac)I(in/hr)Q(cfs)SLOPE(%)STREETFLOW(cfsDESIGNFLOW(cfs)SLOPE(%)PIPESIZE(in)LENGTH(ft)VELOCITYtt(min)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22) EX1 EX1 13.23 0.15 12.78 1.98 2.05 4.07 EX2 EX2 0.55 0.48 10.34 0.26 2.13 0.56 EX3 EX3 0.91 0.55 9.03 0.50 2.13 1.06 EX4A EX4A 0.23 0.73 6.00 0.17 2.67 0.45 EX4B EX4B 0.14 0.84 7.00 0.11 2.52 0.29 7.00 0.28 2.52 0.71 EX4A routed to EX4B EX4C EX4C 0.09 0.92 8.00 0.09 2.40 0.21 8.00 0.37 2.40 0.88 EX4A and EX4B routed to EX4C A A 5.39 0.69 11.18 3.73 2.13 7.95 B1 B1 1.72 0.86 5.07 1.47 2.85 4.20 B2 B2 1.27 0.87 6.00 1.10 2.67 2.93 C C 3.63 0.71 8.31 2.58 2.40 6.20 D1 D1 0.16 0.35 10.44 0.06 2.13 0.12 D2 D2 0.14 0.29 10.43 0.04 2.13 0.09 O1 O1 0.52 0.15 5.00 0.08 2.85 0.22 O2 O2 0.07 0.50 5.00 0.04 2.85 0.10 O3 O3 0.03 0.58 5.88 0.02 2.67 0.05 O4 O4 0.14 0.15 5.00 0.02 2.85 0.06 OS1 OS1 0.91 0.88 5.00 0.80 2.85 2.28 5.00 0.82 2.85 2.34 O4 routed to OS1 OS2 OS2 0.96 0.60 6.73 0.58 2.52 1.46 6.73 1.45 2.52 3.67 O4, OS1, O2, and O3 routed to OS2 OS3A OS3A 0.23 0.95 6.00 0.22 2.67 0.58 OS3B OS3B 0.14 0.95 7.00 0.13 2.52 0.32 7.00 0.35 2.52 0.87 OS3A routed to OS3B OS3C OS3C 0.09 0.95 8.00 0.09 2.40 0.21 8.00 0.44 2.40 1.05 OS3A and OS3B routed to OS3C Note: Rainfall intensities are taken from Table 3.4-1 in the FCSCM. Time of concentration values have been rounded to the nearest minute. ON-SITE BASINS OFF-SITE BASINS EXISTING BASINSSTORMLINE(1) STANDARD FORM SF-3 STORM DRAINAGE DESIGN - RATIONAL METHOD 2 YEAR EVENT 1/18/2021 DIRECT RUNOFF TOTAL RUNOFF STREET PIPE TRAVEL TIME PROJECT NAME:POUDRE VALLEY DEVELOPMENT DATE: PROJECT NUMBER:096501004 CALCULATED BY:HMO CHECKED BY:DLS REMARKS DESIGNPOINTDESIGNBASINAREA(AC)RUNOFFCOEFFC100tc(min)C*A(ac)I(in/hr)Q(cfs)tc(max)S(C*A)(ac)I(in/hr)Q(cfs)SLOPE(%)STREETFLOW(cfs)DESIGNFLOW(cfs)SLOPE(%)PIPESIZE(in)LENGTH(ft)VELOCITY(fps)tt(min)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22) EX1 EX1 13.23 0.19 12.78 2.48 6.92 17.17 EX2 EX2 0.55 0.60 10.34 0.33 7.72 2.55 EX3 EX3 0.91 0.68 5.84 0.62 7.72 4.78 EX4A EX4A 0.23 0.91 6.00 0.21 9.31 1.94 EX4B EX4B 0.14 1.00 7.00 0.14 8.80 1.19 7.00 0.34 8.80 3.02 EX4A routed to EX4B EX4C EX4C 0.09 1.00 8.00 0.09 8.38 0.79 8.00 0.44 8.38 3.67 EX4A and EX4B routed to EX4C A A 5.39 0.87 6.43 4.67 8.80 41.06 B1 B1 1.72 1.00 5.00 1.72 9.95 17.08 B2 B2 1.27 1.00 6.00 1.27 9.31 11.79 C C 3.63 0.89 5.00 3.23 9.95 32.11 D1 D1 0.16 0.44 10.44 0.07 7.72 0.54 D2 D2 0.14 0.36 10.43 0.05 7.42 0.37 O1 O1 0.52 0.19 5.00 0.10 9.95 0.97 O2 O2 0.07 0.62 5.00 0.05 9.95 0.45 O3 O3 0.03 0.72 5.00 0.02 9.95 0.22 O4 O4 0.14 0.19 5.00 0.03 9.95 0.26 OS1 OS1 0.91 1.00 5.00 0.91 9.95 9.05 5.00 0.94 9.95 9.31 O4 routed to OS1 OS2 OS2 0.96 0.76 5.50 0.72 9.95 7.21 5.50 1.73 9.31 16.09 O4, OS1, O2, and O3 routed to OS2 OS3A OS3A 0.23 1.00 6.00 0.23 9.31 2.14 OS3B OS3B 0.14 1.00 7.00 0.14 8.80 1.19 7.00 0.37 8.80 3.21 OS3A routed to OS3B OS3C OS3C 0.09 1.00 8.00 0.09 8.38 0.79 8.00 0.46 8.38 3.85 OS3A and OS3B routed to OS3C Note: Rainfall intensities are taken from Table 3.4-1 in the FCSCM. Time of concentration values have been rounded to the nearest minute. STANDARD FORM SF-3 STORM DRAINAGE DESIGN - RATIONAL METHOD 100 YEAR EVENT 1/18/2021 DIRECT RUNOFF TOTAL RUNOFF STREET PIPE TRAVEL TIME STORMLINE(1) EXISTING BASINS ON-SITE BASINS OFF-SITE BASINS PROJECT NAME:POUDRE VALLEY DEVELOPMENT DATE: 1/18/2021 PROJECT NUMBER:096635000 CALCULATED BY:HMO CHECKED BY:DLS TOTAL IMPERVIOUS AREA IMPERVIOUS AREA TREATED (AC)(AC)Q2 Q100 A A 5.39 3.65 3.65 7.95 41.06 B1 B1 1.72 1.52 1.52 4.20 17.08 B2 B2 1.27 1.13 1.13 2.93 11.79 C C 3.63 2.55 2.55 6.20 32.11 D1 D1 0.16 0.04 0.04 0.12 0.54 D2 D2 0.14 0.02 0.02 0.09 0.37 O1 O1 0.52 0.00 0.00 0.22 0.97 O2 O2 0.07 0.03 0.00 0.10 0.45 O3 O3 0.03 0.02 0.00 0.05 0.22 O4 O4 0.14 0.00 0.00 0.06 0.26 13.07 8.96 --21.91 104.86 12.01 8.85 8.85 ---- 0.30 0.06 0.06 ---- 12.31 8.92 --21.48 102.95 OS1 OS1 0.91 0.83 0.00 2.28 9.05 OS2 OS2 0.96 0.55 0.00 1.46 7.21 OS3A OS3A 0.23 0.23 0.00 0.58 2.14 OS3B OS3B 0.14 0.14 0.00 0.32 1.19 OS3C OS3C 0.09 0.09 0.00 0.21 0.79 2.33 1.83 0.00 4.86 20.39 ON-SITE BASINS OFF-SITE BASINS TOTAL TOTAL TOTAL ON-SITE TO DETENTION TOTAL ON-SITE TO WQ TREATMENT (LID) TOTAL ON-SITE TO WQ TREATMENT (POND) DESIGN POINT RATIONAL CALCULATIONS SUMMARY TRIBUTARY BASINS TRIBUTARY AREA (AC) PEAK FLOWS (CFS) Worksheet for Swale Check Project Description Manning FormulaFriction Method Normal DepthSolve For Input Data ft/ft0.080Channel Slope cfs3.85Discharge Section Definitions Elevation (ft) Station (ft) 4,949.560+00 4,949.330+17 4,948.880+28 4,948.660+29 4,946.850+34 4,946.890+36 4,949.930+45 4,949.930+45 4,949.430+46 Roughness Segment Definitions Roughness CoefficientEnding StationStart Station 0.045(0+46, 4,949.43)(0+00, 4,949.56) Options Pavlovskii's Method Current Roughness Weighted Method Pavlovskii's Method Open Channel Weighting Method Pavlovskii's Method Closed Channel Weighting Method Results in4.6Normal Depth 0.045Roughness Coefficient ft4,947.24Elevation 4,946.9 to 4,949.9 ftElevation Range ft²1.0Flow Area ft4.0Wetted Perimeter in3.1Hydraulic Radius ft3.88Top Width in4.6Normal Depth in5.3Critical Depth ft/ft0.046Critical Slope ft/s3.76Velocity Page 1 of 227 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 3/30/2021 FlowMaster [10.03.00.03] Bentley Systems, Inc. Haestad Methods Solution CenterMulberry Connection.fm8 Worksheet for Swale Check Results ft0.22Velocity Head ft0.61Specific Energy 1.293Froude Number SupercriticalFlow Type GVF Input Data in0.0Downstream Depth ft0.0Length 0Number Of Steps GVF Output Data in0.0Upstream Depth N/AProfile Description ft0.00Profile Headloss ft/sInfinityDownstream Velocity ft/sInfinityUpstream Velocity in4.6Normal Depth in5.3Critical Depth ft/ft0.080Channel Slope ft/ft0.046Critical Slope Page 2 of 227 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 3/30/2021 FlowMaster [10.03.00.03] Bentley Systems, Inc. Haestad Methods Solution CenterMulberry Connection.fm8 Cross Section for Swale Check Project Description Manning FormulaFriction Method Normal DepthSolve For Input Data ft/ft0.080Channel Slope in4.6Normal Depth cfs3.85Discharge Page 1 of 127 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 3/30/2021 FlowMaster [10.03.00.03] Bentley Systems, Inc. Haestad Methods Solution CenterMulberry Connection.fm8