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HomeMy WebLinkAboutWATER SYSTEM ANALYSIS (ADDENDUM) - CORYDON GATEWAY WATER SYSTEM ANALYSIS REPORT SUPPLEMENT For Corydon Commercial Center TR37977 Parcels 5 & 6 APN 370-050-038 — 370-050-039 Corydon Street Lake Elsinore, CA 92530 The County of Riverside Prepared By: Stanley, D. Heaton, PE, President Temecula Engineering Consultants, Inc. 29377 Rancho California Road, Suite 202 Temecula, CA 92591 951-676-1018 JUNE 2022 This report is supplemental to the approved Water System Analysis prepared for The Corydon Gateway Commercial Center, prepared by KWC Engineers, Dated March 2021. The original design for the water system at Corydon Gateway Commercial Center Phase 2 has been revised.The system is now looped 8" pvc and no longer requires 12" line.The connections and demand requirements have remained the same. A domestic usage of was determined using EVMWD's design standard of 2,500 gpd/ac, as seen in the table below. This Addendum to the approved Water System Analysis shows the proposed 8" loop system adequately conveys the combined fire and domestic flow of 2,514gpm with a residual pressure of 40psi. Water Demand Summary Water Duty Average Daily Maximum Peak Hour Area Factor Area Demand Daily Demand Demand (gpd/ac) (ac) (gpm) (gpm) (gpm) Corydon Gateway 2,500 2.04 3.54 7.08 14.16 Commercial Center Phase 2 Procedure Bentley WaterCAD V8i (SELECT series 4) software was utilized for the fire flow hydraulic analysis. The pipes were modeled using the following Hazen-Williams coefficients: Material Hazen-Williams Coefficient Ductile Iron 120 PVC 130 CSC 110 The respective values are the average values regardless of age, as provided by the WaterCAD software material library. The Hazen-Williams coefficients associated with minor losses were selected using the respective WaterCAD values associated with each type of minor loss. Refer to the ensuing scenarios for summations of minor loss coefficients for each reach of pipe. Fire Flow Model Results Scenario 1: 2,514gpm Total Demand on 3 nodes. 1 Fire Hydrant, 1 Riser and 1 Domestic Usage Hydrant Table Labe Hydrant Status Emitter Lateral Length Elevation Deman Hydraulic Pressure I Coefficient (ft) (ft) d Grade (psi) (gpm/psi^n) (gpm) (ft) H-1 Open 0.000 20 1,270.00 0 1,364.09 41 H-2 Open 0.000 20 1,270.00 1,500 1,359.74 39 H-3 Open 0.000 20 1,270.00 0 1,362.18 40 Junction Table Label Elevation Zone Demand Hydraulic Pressure (ft) (gpm) Grade (psi) (ft) 3-1 1,274.30 <None> 0 1,398.83 54 3-2 1,274.80 <None> 0 1,376.39 44 3-3 1,272.50 <None> 0 1,364.09 40 J-4 1,271.00 <None> 0 1,363.41 40 3-5 1,270.00 <None> 0 1,363.40 40 3-6 1,270.00 <None> 0 1,363.40 40 3-7 1,269.00 <None> 0 1,363.40 41 3-8 1,269.00 <None> 0 1,363.40 41 1-9 1,268.50 <None> 0 1,363.40 41 3-10 1,267.00 <None> 14 1,363.08 42 3-11 1,267.00 <None> 0 1,362.97 42 3-12 1,266.50 <None> 0 1,362.55 42 3-13 1,266.00 <None> 0 1,362.18 42 3-14 1,271.00 <None> 0 1,365.52 41 3-15 1,272.00 <None> 0 1,367.31 41 3-16 1,271.00 <None> 0 1,367.66 42 3-17 1,270.00 <None> 0 1,367.19 42 3-18 1,269.50 <None> 0 1,363.99 41 3-19 1,269.20 <None> 0 1,363.67 41 3-20 1,269.00 <None> 0 1,355.64 37 1-21 1,274.00 <None> 1,000 1,348.86 32 3-22 1,269.20 <None> 0 1,360.52 40 1-23 1,269.00 <None> 0 1,363.51 41 Pipe Table Label Length Start Stop Diamete Material Hazen- Flow Velocit Headloss Length (Scaled) Node Node r Williams (gpm) y Gradient (User (ft) (in) C (ft/s) (ft/ft) Defined) (ft) P-1 145 R-1 J-1 8.0 PVC 150.0 2,514 16.05 0.077 0 P-2 290 J-1 J-2 8.0 PVC 150.0 2,514 16.05 0.077 0 P-3 113 J-2 J-16 8.0 PVC 150.0 2,514 16.05 0.077 0 P-4 51 J-3 J-4 8.0 PVC 150.0 980 6.25 0.013 0 P-5 102 J-4 J-5 8.0 PVC 150.0 50 0.32 0.000 103 P-6 21 J-5 J-6 8.0 PVC 150.0 50 0.32 0.000 0 P-7 97 J-6 J-7 8.0 PVC 150.0 50 0.32 0.000 0 P-8 22 J-7 J-8 8.0 PVC 150.0 50 0.32 0.000 0 P-9 39 J-8 J-9 8.0 PVC 150.0 50 0.32 0.000 0 P-10 61 J-9 J-10 8.0 PVC 150.0 584 3.73 0.005 0 P-11 23 J-10 J-11 8.0 PVC 150.0 570 3.64 0.005 0 P-12 84 J-11 3-12 8.0 PVC 150.0 570 3.64 0.005 0 P-13 74 J-12 J-13 8.0 PVC 150.0 570 3.64 0.005 0 P-14 26 J-13 H-3 6.0 Ductile Iron 130.0 0 0.00 0.000 0 P-15 102 J-3 J-14 8.0 PVC 150.0 -980 6.25 0.013 106 P-16 132 J-14 J-15 8.0 PVC 150.0 -980 6.25 0.013 0 P-17 26 J-15 J-16 8.0 PVC 150.0 -980 6.25 0.013 0 P-18 15 J-16 J-17 8.0 PVC 150.0 1,535 9.79 0.031 0 P-19 103 J-17 J-18 8.0 PVC 150.0 1,535 9.79 0.031 0 P-20 10 J-18 J-19 8.0 PVC 150.0 1,535 9.79 0.031 0 P-21 36 J-19 J-23 8.0 PVC 150.0 535 3.41 0.004 0 P-22 27 J-23 J-9 8.0 PVC 150.0 535 3.41 0.004 0 P-23 24 J-19 J-20 8.0 PVC 150.0 1,000 6.38 0.259 31 P-24 65 J-20 J-21 6.0 Ductile Iron 130.0 1,000 11.35 0.074 92 P-25 177 J-4 J-22 8.0 PVC 150.0 930 5.94 0.012 236 P-26 20 J-22 H-2 8.0 Ductile Iron 130.0 1,500 9.57 0.039 0 P-29 14 J-3 H-1 6.0 Ductile Iron 130.0 0 0.00 0.000 0 P-32 337 J-13 J-22 8.0 PVC 150.0 570 3.64 0.005 0 Scenario 2: 2,154gpm total demand on 3 nodes. 2 Fire Hydrants, 1 Riser and 1 Domestic usage Hydrant Table Labe Hydrant Status Emitter Lateral Length Elevation Deman Hydraulic Pressure I Coefficient (ft) (ft) d Grade (psi) (gpm/psi^n) (gpm) (ft) H-1 Open 0.000 20 1,270.00 01 1,364.33 41 H-2 Open 0.000 20 1,270.00 0 1,362.36 40 H-3 Open 0.000 20 1,270.00 1,500 1,356.36 37 Junction Table Label Elevation Zone Demand Hydraulic Pressure (ft) (gpm) Grade (psi) (ft) 3-1 1,274.30 <None> 0 1,398.83 54 1-2 1,274.80 <None> 0 1,376.39 44 3-3 1,272.50 <None> 0 1,364.09 40 J-4 1,271.00 <None> 0 1,363.41 40 3-5 1,270.00 <None> 0 1,363.40 40 3-6 1,270.00 <None> 0 1,363.40 40 3-7 1,269.00 <None> 0 1,363.40 41 3-8 1,269.00 <None> 0 1,363.40 41 J-9 1,268.50 <None> 0 1,363.40 41 3-10 1,267.00 <None> 14 1,363.08 42 3-11 1,267.00 <None> 0 1,362.97 42 3-12 1,266.50 <None> 0 1,362.55 42 3-13 1,266.00 <None> 0 1,362.18 42 3-14 1,271.00 <None> 0 1,365.52 41 3-15 1,272.00 <None> 0 1,367.31 41 3-16 1,271.00 <None> 0 1,367.66 42 3-17 1,270.00 <None> 0 1,367.19 42 3-18 1,269.50 <None> 0 1,363.99 41 1-19 1,269.20 <None> 0 1,363.67 41 3-20 1,269.00 <None> 0 1,355.64 37 J-21 1,274.00 <None> 1,000 1,348.86 32 3-22 1,269.20 <None> 0 1,360.52 40 3-23 1,269.00 <None> 0 1,363.51 41 Pipe Table Label Length Start Stop Diamete Material Hazen- Flow Velocit Headloss Length (Scaled) Node Node r Williams (gpm) y Gradient (User (ft) (in) C (ft/s) (ft/ft) Defined) (ft) P-1 145 R-1 J-1 8.0 PVC 150.0 2,514 16.05 0.077 0 P-2 290 J-1 J-2 8.0 PVC 150.0 2,514 16.05 0.077 0 P-3 113 J-2 J-16 8.0 PVC 150.0 2,514 16.05 0.077 0 P-4 51 J-3 J-4 8.0 PVC 150.0 980 6.25 0.013 0 P-5 102 J-4 J-5 8.0 PVC 150.0 50 0.32 0.000 103 P-6 21 J-5 J-6 8.0 PVC 150.0 50 0.32 0.000 0 P-7 97 J-6 J-7 8.0 PVC 150.0 50 0.32 0.000 0 P-8 22 J-7 J-8 8.0 PVC 150.0 50 0.32 0.000 0 P-9 39 J-8 J-9 8.0 PVC 150.0 50 0.32 0.000 0 P-10 61 J-9 J-10 8.0 PVC 150.0 584 3.73 0.005 0 P-11 23 J-10 J-11 8.0 PVC 150.0 570 3.64 0.005 0 P-12 84 J-11 J-12 8.0 PVC 150.0 570 3.64 0.005 0 P-13 74 J-12 J-13 8.0 PVC 150.0 570 3.64 0.005 0 P-14 26 J-13 H-3 6.0 Ductile Iron 130.0 0 0.00 0.000 0 P-15 102 J-3 J-14 8.0 PVC 150.0 -980 6.25 0.013 106 P-16 132 J-14 J-15 8.0 PVC 150.0 -980 6.25 0.013 0 P-17 26 J-15 J-16 8.0 PVC 150.0 -980 6.25 0.013 0 P-18 15 J-16 J-17 8.0 PVC 150.0 1,535 9.79 0.031 0 P-19 103 J-17 J-18 8.0 PVC 150.0 1,535 9.79 0.031 0 P-20 10 J-18 J-19 8.0 PVC 150.0 1,535 9.79 0.031 0 P-21 36 J-19 J-23 8.0 PVC 150.0 535 3.41 0.004 0 P-22 27 J-23 J-9 8.0 PVC 150.0 535 3.41 0.004 0 P-23 24 J-19 J-20 8.0 PVC 150.0 1,000 6.38 0.259 31 P-24 65 J-20 J-21 6.0 Ductile Iron 130.0 1,000 11.35 0.074 92 P-25 177 J-4 J-22 8.0 PVC 150.0 930 5.94 0.012 236 P-26 20 J-22 H-2 8.0 Ductile Iron 130.0 1,500 9.57 0.039 0 P-29 14 J-3 H-1 6.0 Ductile Iron 130.0 0 0.00 0.000 0 P-32 337 J-13 J-22 8.0 PVC 150.0 570 3.64 0.005 0 CORYDON GATEWAY NODAL MAP I J-1 B..W P-1, _ 2 w - - C�;.,. 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