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Table 1 Planning and Design Criteria Summary <br />Stoneridge Apartments Project <br />City of Pleasanton <br />PRELIMINARY <br />Design Parameter <br />Supply Supply to meet Maximum Day Demand with largest unit out or service <br />Storage Total Required Storage = Operational + Fire + Emergency <br />Operational Storage 25% of Maximum Day Demand <br />Emergency Storage 50% of Maximum Day Demand <br />Fire Storage (Use most critical land use within pressure zone, see fire flow requirement table) <br />Distribution Mains <br />Maximum Pipeline Velocity:10 ft/s <br />Maximum Pipeline Headloss:10 ft/1,000 ft <br />Pipeline "C" Factor of 130 should be used for new pipelines <br />Minimum Pipe Size: 8-inches <br />Pump Stations Meet 150 Percent of Maximum Day Demand <br />PRVs PRVs should be designed to meet: <br />Peak Hour Demand + Fire Flow <br />Service Pressures Minimum Pressures: <br />Peak Hour Demand 40 psi <br />MDD + Fire Flows 20 psi <br />Demand Peaking Factors Maximum Month Demand 1.6 x Average Day Demand <br />Maximum Day Demand 1.9 x Average Day Demand <br />Peak Hour Demand (system wide)3.2 x Average Day Demand <br />Pressure Zone Peak Hour factors vary (see Appendix) <br />Minimum Month Demand 0.5 x Average Day Demand <br />Peak Production Factor 2.1 x Average Day Demand <br />Fire Flows Rural Residential 1,500 gpm for 2 hours (0.18 MG) <br />Single-family Residential 2,000-2,500 gpm for 2 hours (0.24 - 0.30 MG) <br />Multi-family Residential 2,500 gpm for 2 hours (0.30 MG) <br />Social/Recreation 2,500 gpm for 2 hours (0.30 MG) <br />Schools/Commercial/Public/Institution 3,500 gpm for 2 hours (0.42 MG) <br />Industrial 5,000 gpm for 4 hours (1.2 MG) <br />Fairgrounds 5,000 gpm for 4 hours (1.2 MG) <br />6/3/2022 <br />2021 Master Plan Criteria <br />Distribution mains should be designed to satisfy the following criteria (except under fire flow <br />conditions): <br />Hydropneumatic systems to meet Peak Hour or Maximum Day Demand plus fire flow, whichever is <br />larger.