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ENGINEERING STANDARDS <br /> The City of Lino Lakes adopted engineering standards for all street and <br /> utility projects in 1985. The standards and all of the "city standard plats" <br /> are available from the City Planner. <br /> For planning and preliminary design purposes, though, some design standards <br /> are helpful if not necessary. Here are the standards for Lino Lakes. <br /> Street Design Standards <br /> 1. Minimum street centerline and gutter grade of 0.5 percent. <br /> 2. Maximum slope of approach grades at street intersections of <br /> 2 percent. <br /> 3. The maximum grade on a collector or arterial street shall be <br /> 4 percent. <br /> 4. The maximum grade on a local street shall be 6 percent. <br /> 5. The minimum grade of the curb around the circumference of the <br /> cul-de-sac shall be 0. 6 percent. <br /> 6. Vertical curves shall be used as appropriate for the street. <br /> 7. Minimum intersection and cul-de-sac entrance radii of 20 feet. <br /> 8. Cul-de-sacs shall have 120 foot right-of-way diameters. <br /> 9. For additional information, see Section 302 of the City Code. <br /> Sanitary Sewer Design Standards <br /> Sanitary sewer design shall conform to the latest edition of the Great Lakes <br /> - Upper Mississippi River Board of State Sanitary Engineers Recommended <br /> Standard for Sewage Works. <br /> Watermain Design Standards <br /> 1. Minimum size of watermain is 6 inches. <br /> 2. No dead end mains greater than 600 feet in length. <br /> 3. The dead end of a main shall be equipped with a fire hydrant for <br /> flushing purposes. <br /> 4. Hydrants shall be spaced so that all portions of a building or <br /> residence to be protected fall within a 250 foot radius of a hydrant. <br /> 5. Each hydrant lead shall be equipped with a gate valve for shut-off <br /> purposes. <br />