2019 Design Standards Amendments

3C-1 M. 2. Add the following to the end of the second paragraph: Internal drops for service connections may be permitted on manhole deeper than 12-feet upon approval of the City Engineer. Internal drops shall be construction SDR 23.5 PVC with stainless steel bands and fasteners spaced at a maximum of 4-feet. A minimum of two (2) attachment point is required. 3C-1 M Add the following as articles 6, 7, and 8: 6. Sanitary service stubs will be extended from the main to the right-of-way line or outer sewer utility easement line, whichever is further. 7. No two sanitary services shall be constructed in the same trench. Service connections shall be separated by a minimum of 6-feet. 8. The end of all sanitary service stubs shall be marked with a metal post, #4 rebar at least 24-inches in length buried vertically within 1-foot of the finished grade, or a painted 4-inch by 4-inch wood post. 3C-1 N Add the following as Article 3: 3.Lift Stations It is the City’s intention and preference to have all extensions or additions to the sanitary sewer collection system be gravity sewer systems. If gravity sewer is not feasible, lift stations shall be designed to have regional service areas, telemetric alarm systems, provisions for the connection of standby power and auxiliary pumping. 3D-1 Add the following items to Table 3D-1.01 Typical Pipe Size Range Standard Thickness Pipe Stiffness Joints Application Material Class (min.) (min.) Sanitary PVC 4” and 6” ASTM D 3034 SDR 23.5 153 psi Bell and Service Spigot Sanitary PVC 4” and 6” ASTM D 3034 SDR 26 115 psi Bell and Service Spigot Chapter 4Watermains 4B-1 D. 2. a. Add the following statement: The minimum size for service stubs is ¾-inch in diameter. 4B-1 D. 2. Add the following definitions: d. Private Service Pipe: A water pipe installed, owned, operated, and maintained by the private consumer as further defined by current City Ordinances. Service pipes are often 1-inch diameter for residential and may be 2-inches to 6-inches in diameter for commercial or 8-inches to 12-inches in diameter for larger industrial applications. e. Private Fire Hydrant: A fire hydrant which is located on privately owned property, or on streets not dedicated to public use unless the watermain is within a public easement. Private fire hydrants must be served by a minimum of a 6-inch diameter pipe. A private fire hydrant is the responsibility of the property owner and is to be for fire protection only. Where it is the owner intention that these hydrants be used by the City Fire Department, these hydrants shall conform to the City’s Design Standards. The City has the right to utilize the hydrants for flushing purposes. 4C-1 B. 4. Add the following sentence: Watermains shall be constructed such that no services shall be extended beneath the paving of the circular turn-around of a cul-de-sac. 4C-1 D.1. Change the second sentence to read “300-feet” for both distances. 7