AgdaPkt 2014-06-23 Closed and Joint SA

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arras 7.3.E. - Page 15 ATTACHMENT A (CONT.) ENGINEERING STANDARDS REVISION SUMMARY — JUNE 23, 2014 Notice: This summary is intended to provide a quick reference and may not contain all the changes. There is a CD with the revised three volume set available for review at the City Clerk's office. VOLUME III - DESIGN CRITERIA PART VI. SANITARY SEWER SYSTEM DESIGN (Public and Private) Cleanout location changed to public right of way instead of private property. Minimum slopes for different pipe diameters are given. Sewer mains shall be designed for flow at 3/ of pipe diameter instead of 2/3. Maximum design velocity shall be 10 feet per second. Maintenance obligations are explained. 6. Calculations for d/D, velocity, and pipe flow rate shall be submitted to the City for review. Table for minimum slopes, per pipe diameter is given. Pipe Diameter (in) Slope (%) Slope ft/ft 6 0.50 0.0050 8 0.35 0.0035 10 0.25 0.0025 12 0.20 0.0020 15 0.15 0.0015 18 0.12 0.0012 Maintenance requirements established: The City will maintain sanitary sewer mains located in dedicated City right-of-way and easements (e.g. in public streets, private streets), and laterals from main to the cleanout located maximum 3-feet behind edge of sidewalk. And property owners must maintain the cleanout and the pipe beyond the cleanout from the cleanout to the building. PART VII. WATER SYSTEM DESIGN CRITERIA G. CATHODIC PROTECTION. Water systems in areas east of El Camino Real shall, in addition to other coatings called for in the specifications, have cathodic protection using a sacrificial anode system Petrolatum Wax Tape System for isolated fittings and restraining devices. Otherwise, Cathodic Protection Anode shall be used as called for in the Engineering Standards Specification Section 02661 "Cathodic Protection" and in the Engineering Standard Detail W-14 "Cathodic Protection at Fittings and Valves".