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1616 16 16 <br />10 <br />1 <br />0 <br />12 <br />12 <br />1616 <br />1.5 ft/s2.5 ft/s1.7 ft/s1.7 ft/s1.7 ft/s1.7 ft/s <br />1. <br />4 <br /> <br />f <br />t <br />/ <br />s <br />1. <br />4 <br /> <br />f <br />t <br />/ <br />s <br />3.2 ft/s5.4 ft/s3.6 ft/s3.6 ft/s3.6 ft/s3.7 ft/s <br />3. <br />1 <br /> <br />f <br />t <br />/ <br />s <br />3. <br />1 <br /> <br />f <br />t <br />/ <br />s <br />WI <br />L <br />L <br />O <br />W <br /> <br />R <br />D <br />OWENS DR <br />·|}þI580 <br /> Modeled Hydrant ID: 30400015 <br />• Hydrant Elevation: 333 ft <br />• Static Pressure: 63.6 psi <br />• Pressure Zone: Lower <br />• Residual Pressure at 2,500 gpm: 52.5 psi <br />• Available FF at 20 psi: 5,408 gpm <br />• Available FF at 20 psi and 10 ft/s: 2,447 gpm <br />5859 Owens <br />Drive <br />10 <br />. <br />2 <br /> <br />f <br />t <br />/ <br />s <br />22 <br />. <br />1 <br /> <br />f <br />t <br />/ <br />s <br />G!. <br />Hydraulic Analysis <br />City of Pleasanton <br />Figure 1 <br />5859 Owens Drive <br />Fire Flow Analysis <br />Updated: May 7, 2025 <br />File Path: P:\xGIS\GIS_Projects\Pleasanton\Studies\250505-5859OwensDr_FF\PLE_Fig1_5859OwensDr_FF_050525.aprx <br />5GIS <br />0 100 20050 <br />Feet <br />Legend <br />Existing System <br />G!.Modeled Hydrant <br />2 .9 ft /s 2,500 gpm FF Velocity <br />2.9 ft/s 5,408 gpm FF Velocity <br />Pipes by Diameter <br />8" or Less <br />10" - 12" <br />14" or Greater <br />PRELIMINARY <br />Modeling Assumptions: <br />1. Maximum Day Demands <br />2. Tank Drain Cycle <br />3. Low Tank Levels <br />Modeling Assumptions: <br />1. Maximum Day Demands <br />2. Tank Drain Cycle <br />3. Low Tank Levels <br />4. Minimum Pressure of 20 psi <br />5. Maximum Velocity of 10 ft/s <br />Design Fire Flow: <br />2,500 gpm for a duration <br />of 2 hours