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San Luis City Zoning Code

18.90 Landscape

Regulations

18.90.010 Purpose.

The purpose of this chapter is to establish landscape standards applicable to all zoning districts. The standards and regulations set forth in this chapter shall qualify or supplement, as the case may be, the district regulations set forth elsewhere in this title. (Ord. 312 § 2(18.0), passed 4-11-2012. Code 2012 § 152.295.)

18.90.020 Plant specifications.

(A) Trees. Where required by this title trees shall be, upon installation, a minimum of 15-gallon size with 40% of the required number of trees to be specimen trees of 24-inch box size or larger.

(B) Shrubs. Where required by this title shrubs shall be, upon installation, a minimum of one-gallon size with 40% of the required number being five gallons in size. The use of cactus and/or succulents may be substituted for up to 50% of the required shrubs.

(C) Organic Ground Covers. Where required by this title shall be a minimum of one-gallon size upon installation. Turf may also be considered for use in select areas. Turf, when used, should be hypoallergenic (midiron) grass. An irrigation system for the turf areas shall be installed by approved standards.

(D) Inorganic Ground Covers. Where required by this title shall consist of decomposed granite (minimum size one-half-inch minus). River rock, or pea gravel, in select areas, may also be considered.

(E) The use of fruit-producing species of olive and mulberry trees shall be prohibited.

(F) Low-water-use drought-tolerant plant species, as listed in Appendix A of this title, are encouraged. A drip irrigation system is the preferred method for landscape maintenance, with the exception of turf areas. (Ord. 312 § 2(18.1), passed 4-11-2012. Code 2012 § 152.296.)

18.90.030 Landscape requirements for specific land uses.

(A) Single Residence Developments.

(1) Required landscaping for a subdivision development shall include the required open space area, retention or detention basins, along a canal right-of-way trail system if applicable, and the adjacent public right-of-way as required in SLCC 18.90.040.

(2) The required landscaping for a subdivision development shall be installed in proportion to the construction phasing of the project and in accordance with the approved subdivision landscape plan.

(B) Multiple Residence Developments.

(1) The required landscaping for a development shall include the required common area and open space area, retention or detention basins, the canal right-of-way trail system if applicable, parking area and the adjacent public right-of-way as required in SLCC 18.90.040. Installation of the required landscaping shall be in accordance with the approved landscape plan for the development. Any part of the lot or parcel not developed for buildings, structures, vehicular access, streets, parking and utility areas shall be landscaped.

(2) The required rear and side yards shall contain a continuous, landscaped buffer area having a minimum width of ten feet and containing a minimum of one tree and two shrubs every 30 feet, or portion thereof, to provide visual screening between adjacent uses.

(3) All “R-2” zoned developments that abut a single residence zoned property shall provide and maintain a landscaped buffer area, a minimum width of ten feet, along the common property line. This landscaped area shall contain a minimum of one tree and two shrubs every 30 feet, or portion thereof, to provide a visual screening between adjacent uses.

(4) All “R-3” zoned property that abuts a single residence zoned property shall provide and maintain a landscaped buffer area, a minimum width of 15 feet, along the common property line. This buffer strip shall contain a minimum of one tree and two shrubs every 25 feet, or portion thereof.

(5) When adjacent to any single residence zoning district a perimeter wall, a maximum of six feet in height and decoratively treated on all sides to match the architectural style and design of the development, shall be constructed.

(6) Vehicular parking areas adjacent to the right-of-way shall be screened to a height of at least three feet by either a solid decorative masonry wall or a landscaped berm or a combination thereof. The slope of any berm shall not exceed a ratio of one to two (1:2) and shall be landscaped with ground cover to prevent soil erosion. All landscape areas adjacent to the vehicular parking and access areas shall be protected by a permanent vertical barrier or containment, in order to minimize damage by vehicular traffic.

(C) Commercial and Industrial Developments.

(1) The required landscaping for an individual site or development shall include the required building setback area, retention or detention basins, canal right-of-way trail system if applicable, parking area, buffer areas, and the adjacent public right-of-way as required in SLCC 18.90.040. Installation of the required landscaping shall be in accordance with the approved landscape plan for the individual site or development. Any part of the lot area not developed for buildings, structures, approved storage, loading and vehicular access, streets, parking and utility areas shall be landscaped.

(2) All “C-1” zoned commercial developments that abut a residentially zoned property shall provide and maintain a landscaped buffer area, a minimum width of ten feet, along the common property line. This landscaped area shall contain a minimum of one tree and two shrubs every 30 feet, or portion thereof.

(3) All “C-2” zoned commercial and “L-I” and “H-I” zoned industrial developments that abut a residentially zoned property shall provide and maintain a landscaped buffer area, a minimum width of 20 feet, along the common property line. This landscaped area shall contain a minimum of one tree and three shrubs every 25 feet, or portion thereof. This landscaped area shall not be used for parking, maneuvering or storage. The front yard landscaping is in addition to the streetscape requirements in SLCC 18.90.040.

(4) Dense landscaping, combined with architectural treatments, shall be provided to screen unattractive views and features such as storage areas, trash enclosures, transformers, generators, heavy mechanical equipment and other similar eyesores.

(5) Vehicular parking areas adjacent to the right-of-way shall be screened to a height of at least three feet by either a solid decorative masonry wall or a landscaped berm or a combination thereof. The slope of any berm shall not exceed a ratio of one to two (1:2) and shall be landscaped with ground cover to prevent soil erosion. All landscape areas adjacent to the vehicular parking and access areas shall be protected by a permanent vertical barrier or containment, in order to minimize damage by vehicular traffic. (Ord. 312 § 2(18.2), passed 4-11-2012. Code 2012 § 152.297.)

18.90.040 Landscape for specific roadways.

(A) Arterial Street Requirements.

(1) Any lot, parcel or development, or portion thereof, that is adjacent to an arterial (major or minor) street, as classified in the San Luis General Plan, shall be required to landscape the undeveloped portion of the right-of-way, in addition to the on-site landscaping that is required by this title. A minimum of one tree and three shrubs and/or organic groundcover or cacti per tree shall be planted every 40 feet, or fraction thereof, in such a manner as to create the appearance of a tree-lined street exclusive of that portion of the public right-of-way occupied by a driveway area. Additional streetscape such as, but not limited to, benches, school bus stops, trash containers, pedestrian path and bike trail are strongly encouraged.

(2) Individual property owners and/or improvement districts shall properly maintain all landscape materials and landscaped areas, including that within the public rights-of-way adjacent to their property or the development, in accordance with the approved landscape plan, except in and along public rights-of-way and easements where the City has agreed to provide maintenance.

(B) Collectors, Local and Neighborhood Street Recommendations.

(1) For all residential lots, parcels or developments (single residence) the landscape plan should include, at a minimum, one canopy-type shade tree of 15-gallon size or greater for each lot 50 feet or less in width and two canopy-type shade trees of 15-gallon size or greater for each lot over 50 feet in width. These trees should be planted in the front yard close to the back of the sidewalk or within the right-of-way between the back of curb and the sidewalk if such a separation exists.

(2) In areas not associated with a lot, a minimum of one tree should be planted every 30 feet, or fraction thereof, depending on the recommended spacing according to each species’ needs. The trees should be planted either behind the sidewalk or between the back of curb and the sidewalk, where a sidewalk is required, in a lineal pattern creating a tree-lined street.

(3) For multiple residence developments (condominiums, townhouses, apartments, etc.) the landscape plan should include, at a minimum, one canopy-type shade tree every 30 feet or fraction thereof; with 50% of the trees being specimen trees. These trees should be planted in the front yard close to the back of the sidewalk or within the right-of-way between the back of curb and the sidewalk if such a separation exists.

(4) Commercial and industrial developments should provide a minimum of one tree and three shrubs and/or organic groundcover for every 40 lineal feet of street frontage or fraction thereof exclusive of that portion of the public rights-of-way occupied by a driveway area.

(5) Individual property owners, and/or improvement districts, should properly maintain all landscape materials and landscaped areas, including that within the public rights-of-way adjacent to the development, in accordance with the approved landscape plan, except in and along public rights-of-way and easements where the City has agreed to provide maintenance. (Ord. 312 § 2(18.3), passed 4-11-2012. Code 2012 § 152.298.)

18.90.050 Parking lot landscape requirements.

(A) Amount Required. In parking lots, at least 10% of the interior parking area shall be landscaped, exclusive of perimeter landscaping and frontage landscaping. For every eight required parking spaces, or portion thereof, a minimum of one tree and two shrubs shall be provided within the interior of the parking area. Trees located in the interior of the parking area shall have a clear trunk of at least five feet and shrubs located in the interior of the parking area a maximum height of three feet for adequate visibility.

(B) Location. Landscape areas shall be located and designed in such a manner as to break up the expanse of the parking area, better define parking circulation, and provide shade and comfort. The required landscaping shall be located in protected areas such as along walkways, in centrally located protected islands, at the ends of parking aisles, or between parking spaces. Landscape areas should contain a minimum of 25 square feet and should have a minimum width of five feet.

(C) Irrigation of Parking Lot Landscaping. All right-of-way street frontage, perimeter and interior parking area landscaping shall be provided with a pressurized, underground irrigation system.

(D) Maintenance of Landscaping. The maintenance of all required landscaping, whether located on the property or within the adjoining right-of-way frontage, shall be the responsibility of the property owner. (Ord. 312 § 2(18.4), passed 4-11-2012. Code 2012 § 152.299.)

18.90.060 Landscape plan submittal requirements.

(A) Any proposed building, building additions, or use of land shall require a site plan to be submitted to the City for review and approval. The site plan shall include information on the required landscaping in compliance with this title and the Subdivision Ordinance. The landscape information may be submitted as a separate landscape plan. The landscape plans shall be submitted at the time of application for rezoning or conditional use permit or at the time of building permit if none of the above applications are required and shall at a minimum contain the following:

(1) Irrigation Plans. Show irrigation layout for both drip system and turf system, if applicable. Include specifications and manufacturer’s model and type for pipes, nozzles and heads.

(2) Plant Location. Call out the location of all existing and proposed species and inorganic ground covers, sidewalks, paths, curbing, fencing, walls, benches, ramadas, fountains, and waterways. Notations should be made concerning any existing trees that will be removed. For fencing and walls, provide a graphic representation as to what is intended relative to the fencing and wall theme.

(3) Right-of-Way and Parking Lot Landscaping. Those areas as required by SLCC 18.90.040 and 18.90.050 shall be included in the landscape plans for the project.

(4) Plant Species. Include a plant palette, in list form, on the landscape plans that call out all proposed plant species and inorganic ground covers.

(5) Plant Sizes. Call out the specific sizes of all proposed plant and inorganic ground covers. This information shall be included within the plant palette list on the landscape plan.

(6) Plant Quantities. Call out the exact quantities for each species of tree, shrub and ground cover per each size and species. This information shall be included within the plant palette list on the landscape plan.

(7) Paths, Trails, Sidewalks. Indicate the location of any proposed path, trail, or sidewalk on the landscape plan. Call out the material type and width of the surfacing of all proposed paths, trails and walks.

(8) Walls/Fencing. Call out the type and location of proposed walls/fencing, if applicable. Indicate exact material types for all fencing and walls proposed. A separate 24-inch-by-36-inch wall/fence sheet may be required to be submitted.

(9) Signage. Indicate the location of any proposed signs or freestanding monument signs to be located within the landscape area.

(10) Backflow Preventers. Where required, indicate the location of all backflow preventers and associated infrastructure.

(11) Identify existing lots, streets, fences, walls, wells, or other features as may be applicable.

(12) Identify the line-of-sight requirements of the City, county and state.

(13) Identify the name of the developer, project engineer, and landscape architect/designer on the plan.

(B) All site plans and/or landscape plans submitted shall be reviewed and approved by the Zoning Administrator prior to the issuance of a building permit. (Ord. 312 § 2(18.5), passed 4-11-2012. Code 2012 § 152.300.)