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133 NORTH HARBOR SPECIFIC PLAN 6.1 LANX)SCAPE ARCHITECTURAL STANDARDS 6.1.1 Landscape Concept The establishment of landscape standards for the North Harbor Specific Plan will significantly contribute to the overall site character. The landscape concept is intend- 'ed to promote an overall aesthetic value for the North Harbor Spedfic Plan Area by improving'and upgrad- ing the visual image and visual consistency of the area. In addition, the implementation of these concepts will enhance the area's commercial character as a significant commercial strip while improving the vehicular and pedestrian circulation in and around the North Harbor Boulevard area. To achieve this, the landscape concept strives to create visual and physical gateways at both ends of the North Harbor Boulevard Project Area. The landscape concept also creates focus areas at key intersections. In addition, a consistent tree palette is established in the medians and within the parkway as well as along key arterial streets within the project area. Landscaping will 'enhance the special use entertain- ment zone through associated streetscape treatment and the landscape palette for private development. 6.1.2 Landscape Zones The North Harbor Specific Plan area is divided into two zones dictating landscape treatment of all streets and special focus areas as well as private off-site devel- opment within the specific plan area. Figure 6.4 is a landscape palette map for the major street tree planti- ng. Figure 6.1 indicates the section locations. Refer to Figures 6.5 and 6.3 for typicals. 6.1.3 Public Right-of-Way Adequate landscaping can contribute to the urban com- mercial character of North Harbor Boulevard. Planting within the public fight-of-way and medians is designed to create visual continuity and a consistent scale of streetscape that enables land use patterns to be well- integrated at the street. See Table 6.1 for required street trees. 6.lA Private Landscape Setback Planting requirements are established to create a posi- tive public perception of the land uses by diminishing the visual impact of large expanses of parking and by screening unwanted visual clutter faring the public fight-of-way. 6.15 Landscape Setbacks No fences, walls or architectural elements of any type, with the exception of allowed signage, and display areas per Section 3.4.3 (4) will be permitted within the landscape setbacks. 6.1.6 General Landscape Requirements Refer to Tables 6.1 - 65 for tree, shrub and groundcover palettes for the North Harbor Boulevard public right- of-way and medians. Lavender Trumpet (Tabdau/a shall be planted at 30 feet on-center (o.c.) on either side of the boulevard or as deemed appropriate after con- sideration for utilities, driveways, etc., and Cape Chestnut (C~lodendrum capense) shall be planted at 35 feet o.c. in boulevard medians. The private landscape setback shall be planted with Lavender Trumpet (Tabeluia ipe) for consistency and correct sparing with trees in the public right-of-way. ·. Refer to Tables 6.1 - 6.5 for tree, shrub and groundcover palettes required for arterial and collector streets. Plant materials for local streets shall be drawn from the same palette subject to approval as part of the permit process. The location of t'~es near intersections and driveways shall conform to all safety standards per the Santa Ana Munidpal Code. Tree planting is required in all park- ing areas. Trees located within five feet of hardscape shall be planted in root barriers and be provided with supplementary irrigation. The minimum dimensions for each tree planter shall be 8 1/2 feet wide by 18 feet long. Automatic irrigation systems shall be installed in all planted areas in medians and outside of th~; public right.of-way. The sprinklers and/or bubblers shall be automatically controlled. The system shall provide a complete and appropriately even coverage with ade- quate water supply and shall be zoned to reflect vary- lng areas of exposure and plant type. All plumbing equipment in setbacks shall be screened by plant materials and shall be located on the site plan submitted for Planning Division review. 35 All street trees in the public right-of-way on North Harbor Boulevard and on all arterial streets within the Spedfic Plan Project area will be maintained and irri- gated by the City of Santa Aha. The City will water the 0