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1 (4) Encourage native landscapes in suitable locations with appropriate management plans.
<br /> 2 (C) Landscaping requirements.
<br /> 3 (1) Topsoil and ground cover. All exposed ground areas, including boulevards and areas not
<br /> 4 devoted to off-street parking, driveways, sidewalks, trails, patios or other such impervious
<br /> 5 improvements, shall be landscaped with turf, shrubs, trees, native grasses and wildflowers
<br /> 6 and/or other ornamental landscape materials within six months of the date of issuance of the
<br /> 7 certificate of occupancy.
<br /> 8 a. Topsoil. In all zoning districts, a minimum of four inches of topsoil, A.S. ^'efllnee^' M. S ecAien117-
<br /> 9 4,shall be applied across all exposed ground areas to the edge of improved streets,sidewalks,
<br /> 10 driveways and other impervious surfaces, excluding natural areas that are left undisturbed,
<br /> 11 whenever a building permit is issued for the construction of a principal building.
<br /> 12 1. The depth of topsoil at the time of inspection shall be not less than four inches.
<br /> 13 2. Alternatives to the import of topsoil, such as compost or other soil amendments known
<br /> 14 to improve soil water holding capacity may be permitted, but only with the prior approval
<br /> 15 of the city engineer.
<br /> 16 b. Required ground cover. In all business zoning districts oUrop+ Q-1, all portions of a site not
<br /> 17 covered by structures, concrete, or asphalt, but excluding natural areas that are left
<br /> 18 undisturbed, shall be finished with sod and plantings, up to the edge of improved streets and
<br /> 19 other impervious surfaces. Any alternative to the sod requirement shall require City Council
<br /> 20 approval.
<br /> 21 1. in the R 1 Residential ' t Sod is required in all boulevards, excluding those areas
<br /> 22 devoted to sidewalks, trails and driveways.
<br /> 23 2. The remainder of a yard may be established with sod, seed, natural ground cover and/or
<br /> 24 native grasses and wildflowers. Noxious weeds do not constitute allowable ground cover.
<br /> 25 3. A landscape escrow, in an amount to be determined by the building official, shall be
<br /> 26 deposited for all required landscaping, including topsoil, sod and trees, which is not
<br /> 27 established at the time of issuance of a certificate of occupancy. Installation of required
<br /> 28 landscaping, including topsoil, sod (or seeding where permitted by this Code) and trees,
<br /> 29 shall be completed within six months of the issuance of the certificate of occupancy,
<br /> 30 weather permitting. The city may draw upon the escrow to install the required
<br /> 31 landscaping if said work is not completed within six months of the date of issuance of the
<br /> 32 certificate of occupancy. When seeded, the turf must be at least 6 inches in height in
<br /> 33 order to qualify for escrow release.
<br /> 34 (2) Irrigation. If a landscape irrigation system is provided, the system shall be equipped with the
<br /> 35 following:
<br /> 36 a. Technology that inhibits or interrupts operation of the irrigation system during periods of
<br /> 37 sufficient moisture (rain sensor).
<br /> 38 b. One or more water efficient technologies.This could include,but is not limited to,WaterSense
<br /> 39 labeled weather-based irrigation controllers, soil moisture sensors, and/or
<br /> 40 evapotranspiration (ET) sensors.
<br /> 41 (3) Existing trees. A reasonable attempt shall be made to preserve as many existing trees as is
<br /> 42 practicable and incorporate them into a development ��-ai 1 5, Tr^^ DroceFvat;^r ^r
<br /> 43 RyenteFy and r r^_s^va ' q ;r^m^ For each healthy significant tree retained on site
<br /> 44 and not identified on the city's list of prohibited trees, one overstory tree, or the equivalent
<br /> 45 canopy square footage, can be deducted from the minimum planting requirements.
<br /> 46 (4) Planting types. Acceptable planting types shall be determined by the Ramsey Tree Book. The
<br /> 47 complement of trees fulfilling the landscaping requirements shall not be less than 25 percent
<br /> 48 deciduous and not less than 25 percent coniferous. Not more than 25 percent of the required
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