Agenda - Council - 11/14/2023 - Laserfiche WebLink

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1 impervious surfaces, excluding natural areas that are left undisturbed, whenever a building 2 permit is issued for the construction of a principal building. Alternatives to the import of 3 topsoil, such as compost or other soil amendments known to improve soil water holding 4 capacity may be permitted, but only with the prior approval of the city engineer. 5 b. Required ground cover. In all urbanized zoning districts all portions of a site not covered by 6 structures, concrete, or asphalt, but excluding natural areas that are left undisturbed, shall be 7 finished with sod and plantings, up to the edge of improved streets and other impervious 8 surfaces in adjacent rights-of way. Any alternative to the sod requirement shall require City 9 Council approval. The remainder of a yard may be established with sod, seed, natural ground 10 cover and/or native grasses and wildflowers. 11 (2) Irrigation. If a landscape irrigation system is provided, the system shall be equipped with the 12 following: 13 a. Technology that inhibits or interrupts operation of the irrigation system during periods of 14 sufficient moisture(rain sensor). 15 b. One or more water efficient technologies. This could include, but is not limited to, 16 waterSense labeled weather-based irrigation controllers, soil moisture sensors, and/or 17 evapotranspiration(ET) sensors. 18 (3) Existing trees. A reasonable attempt shall be made to preserve as many existing trees as is 19 practicable and incorporate them into a development. For each healthy significant tree retained 20 on site and not identified on the city's list of prohibited trees,one overstory tree,or the equivalent 21 canopy square footage, can be deducted from the minimum planting requirements. 22 (4) Planting types. Acceptable planting types shall be determined by the Ramsey Tree Book. The 23 complement of trees fulfilling the landscaping requirements shall not be less than 25 percent 24 deciduous and not less than 25 percent coniferous. Not more than 25 percent of the required 25 plantings shall consist of ornamental or understory trees. Projects should attempt to limit the 26 planting of any one genus to no more than 20 percent of the total plantings. 27 (5) Planting requirements for the R-IA, R-IB, R-1 C, and RR districts. Zoning District Planting Type Minimum Number Size Required R-1 A, R-1 B Overstory Deciduous 2 trees per dwelling, 1 inch caliper- and/or Coniferous planted in the boulevard(or deciduous trees front yard depending on 5 foot height- conifer available space) R-1 C Overstory Deciduous 1 tree per 50 feet of 1 inch caliper frontage, planted in the deciduous boulevard 5 foot height conifer RR Overstory Deciduous 2 trees per dwelling, 1 inch caliper- and/or Coniferous planted in the front yard deciduous trees 5 foot height conifer 28 29 a. In the R-1 C district, alternative planting locations, such as the backyard or common areas,will 30 be considered if there is not sufficient space in the boulevard due to other improvements such 31 as driveways, streetlights, hydrants, etc. 32 (6) Planting requirements for the R-2 and R-3 Districts. 33 a. If the housing product is a detached style, the plantings shall consist of at least one tree per 50 34 feet of street frontage, planted in the boulevard. 35 1. Alternative planting locations, such as the backyard or common areas, will be considered 36 if there is not sufficient space in the boulevard due to other improvements such as driveway, 37 streetlights, hydrants, etc. Page 59 of 141