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<br /> May 2025 1 City of Pleasanton <br />5859 Owens Drive <br />Fire Flow Analysis <br /> <br /> <br /> <br />May 5, 2025 <br /> <br />City of Pleasanton <br />3333 Busch Rd <br />Pleasanton, CA 94566 <br /> <br /> <br />Attention: Ryan Ravalin <br /> Chief Utilities System Operator <br /> <br /> <br />Subject: 5859 Owens Drive – Fire Flow Analysis <br /> <br />Hi Ryan, <br />We are attaching our completed Fire Flow Analysis results for the hydrant located in the <br />Pleasanton Bart Parking Lot, north of Owens Drive, as well as some brief discussions of <br />assumptions, tabulated analysis results, and conclusions. <br />ASSUMPTIONS <br />• Analysis is performed using the City’s existing domestic water system hydraulic <br />model. <br />• Fire flow requirement for the existing commercial development is 2,500 gpm for a <br />duration of 2 hours based on the City’s Master Plan. <br />• Minimum pressure criteria of 20.0 psi for fire flows based on the City’s Master <br />Plan. <br />• Maximum velocity criteria of 10.0 ft/s for fire flows, excluding hydrant laterals, <br />based on the City’s Master Plan. <br />• Analysis is conducted under Maximum Day Demand conditions. <br />• Fire flow analysis performed during low tank water levels based on the current 7- <br />day fill/drain cycle operations. <br />• PRVs are in service. <br />• Hydrant elevation is assigned via DEM records and validated using Google <br />Earth. <br /> <br /> <br />Smart Planning Our Water Resources