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<br /> <br /> <br /> <br />P22-1089, PUD-147, Tract 8522 PC-2024-14, June 26, 2024 <br /> <br />32 <br /> <br />4 inches 0.02 (lateral) <br />6 inches 0.005 (lateral) <br />8 inches 0.003 <br />10 inches 0.0025 <br />12 inches 0.0020 <br />15 inches or larger 0.0015 <br /> <br />g. Maximum manhole spacing = 350 feet <br />h. Minimum curvature for curved sewer mains: 200 feet or not less than <br />recommended by pipe manufacturer <br />i. Minimum pipe cover = 5 feet <br />j. Peaking factor shall be Peak Wet Weather Flow divided by Average Dry Weather <br />k. flow (PF = PWWF/ADWF). Referring to the City’s Wastewater Master Plan from <br />August 2007, PF shall be the average of the three events shown on Table 4.5 <br />“Inflow and Infiltration Analysis” for each subbasin. The Basin I.D. is from Figure <br />ES-3. Minimum allowable PF = 2.0. <br />l. Backflow prevention devices must be installed if the lowest plumbing fixture if the <br />building is lower than the downstream cleanout overflow device or manhole to <br />assure effluent discharge outside of the building in case the downstream pipe <br />network becomes obstructed. <br />m. Fats, Oils, and Grease (FOG) controls: Discharge of FOG to the City’s sanitary <br />sewer system shall conform to Pleasanton Municipal Code Chapter 15.44. In <br />addition to other controls, a sampling manhole must be provided immediately <br />downstream of any grease interceptor in accordance with City Standard Drawing <br />402. <br />(Address this condition prior to subdivision plan approval) <br /> <br />78. POTABLE WATER SYSTEM DESIGN STANDARDS: All permanent connections to the <br />City’s potable water network shall conform to Pleasanton Municipal Code §14.04.050. <br />Any required water pressure and/or flow needed by the applicant beyond that available <br />from the network at the point-of-connection must be provided by the applicant as a private <br />improvement on the customer side of the meter or backflow prevention device. All <br />extensions or upgrades to the potable water network shall be designed to satisfy the <br />following minimum standards: <br />a. Minimum number of valves: <br />i. 3 at cross intersections <br />ii. 2 at “T” intersections <br />iii. 500 feet maximum spacing <br />iv. 1 valve at each fire hydrant lateral <br />v. Pressure regulating valve station required between pressure zones <br />b. Minimum number of fire hydrants (subject to approval by Livermore-Pleasanton <br />Fire Department (LPFD) Fire Marshal: <br />i. 1 hydrant within 250 feet of any existing or proposed structure <br />ii. 2 hydrants within 500 feet of any commercial, multi-family residential, <br />industrial, or school building