ORD 2306 - Laserfiche WebLink

P18-0078, P18-0079, P18-0081, PUD-130, and Tract 8569 CC-2026-__, May 19, 2026 19 of 36 ii. 2 at “T” intersections iii. 500 feet maximum spacing iv. 1 valve at each fire hydrant lateral v. Pressure regulating valve station required between pressure zones b. Minimum number of fire hydrants (subject to approval by Livermore-Pleasanton Fire Department (LPFD) Fire Marshal: i. 1 hydrant within 250 feet of any existing or proposed structure ii. 2 hydrants within 500 feet of any commercial, multi-family residential, industrial, or school building c. Minimum pipe size: 8-inch diameter d. Minimum depth of cover over pipe: 42 inches e. Blowoff requirements: i. At all dead ends whether temporary or permanent ii. At all low points in the line f. Maximum flow velocity: 10 feet per second (fps) g. Minimum fire flows in gallons per minute (gpm): i. 1,500 gpm for 2 hours (rural residential) ii. 2,500 gpm for 2 hours (single family residential) iii. 3,500 gpm for 2 hours (schools/commercial/public/institutional) h. Minimum pressures: i. 40 psi (peak hour demand) ii. 20 psi (maximum day demand plus fire flows) i. Dwelling unit equivalent flows: 160 gallons per day (single family residential) 56. SEPTIC TANK ABANDONMENT: If an on-site wastewater treatment system (septic tank, leach field, or similar component) is discovered on properties subject to development, said system shall be decommissioned according to a permit obtained from Alameda County Department of Environmental Health. A lawful connection to the City’s sanitary sewer shall be made. Exceptions for pre-existing on-site systems must be approved by the City Engineer if compliant with Pleasanton Municipal Code Chapter 15. 57. SANITARY SEWER DESIGN STANDARDS: Connections to the City’s sanitary sewer network shall conform to Pleasanton Municipal Code Title 15 “Sewerage”. All buildings