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DRA <br />F <br />T <br /> <br /> <br /> <br /> <br />P18-0078, P18-0080, P18-0081, PUD-130, and Tract 8569 PC-2026-09, April 22, 2026 <br /> <br />19 of 36 <br /> <br />v. Pressure regulating valve station required between pressure zones <br /> <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 <br /> <br />c. Minimum pipe size: 8-inch diameter <br /> <br />d. Minimum depth of cover over pipe: 42 inches <br /> <br />e. Blowoff requirements: <br />i. At all dead ends whether temporary or permanent <br />ii. At all low points in the line <br /> <br />f. Maximum flow velocity: 10 feet per second (fps) <br /> <br />g. Minimum fire flows in gallons per minute (gpm): <br />i. 1,500 gpm for 2 hours (rural residential) <br />ii. 2,500 gpm for 2 hours (single family residential) <br />iii. 3,500 gpm for 2 hours (schools/commercial/public/institutional) <br /> <br />h. Minimum pressures: <br />i. 40 psi (peak hour demand) <br />ii. 20 psi (maximum day demand plus fire flows) <br /> <br />i. Dwelling unit equivalent flows: 160 gallons per day (single family residential) <br /> <br />56. SEPTIC TANK ABANDONMENT: If an on-site wastewater treatment system (septic <br />tank, leach field, or similar component) is discovered on properties subject to <br />development, said system shall be decommissioned according to a permit obtained <br />from Alameda County Department of Environmental Health. A lawful connection to the <br />City’s sanitary sewer shall be made. Exceptions for pre-existing on-site systems must <br />be approved by the City Engineer if compliant with Pleasanton Municipal Code Chapter <br />15. <br /> <br />57. SANITARY SEWER DESIGN STANDARDS: Connections to the City’s sanitary sewer <br />network shall conform to Pleasanton Municipal Code Title 15 “Sewerage”. All buildings <br />inhabited by human beings which are not more than 250 feet from the City’s sewer <br />network shall be connected. All premises, parcels, and/or lots shall have independent