TABLE 1 - GUIDELINES FOR DOWNTOWN OPEN SPACE 
  Urban Garden Urban Park Plaza View and/or Sun Terrace Greenhouse Snippet Atrium Indoor Park Public Sitting Area in a Galleria Public Sitting Area in an Arcade Public Sitting Area in a Pedestrian Walkway
Description Intimate sheltered landscaped area. Large open space with predominantly natural elements. Primarily hard-surface space. Wind-sheltered area on upper level. Partially or fully glassed-in enclosure. Small, sunny sitting space. Glass-covered central open space in the interior of a building or block. Interior open space where at least one wall facing the street consists entirely of glass. Through-block, continuous, glass-covered pedestrian passage lined with retail Shops and restaurants. Continuous, covered passageway at street level, defined by building Set back on one side and a row of columns along the front lot line. Sitting area on a sidewalk of a pedestrian -oriented street in a lunchtime mall or in an exclusive pedestrian walkway.
Size 1,200 to 10,000 sq.ft. Minimum 10,000 sq.ft. Minimum 7,000 sq.ft. Minimum 800 sq.ft. Minimum 1,000 sq.ft. Min. ceiling height 20 ft. Varying sizes permitted. Minimum area 1500 sq.ft.; minimum ceiling height 30 ft. Minimum area 1,000 sq.ft. Minimum ceiling height 20'. Area to be counted against open space requirement cannot exceed twice the area of the glass wall projected onto the floor plane. Minimum average height 30 ft.; minimum clear area 12 ft. Only public Sitting areas outside the circulation space which are buffered from it by various kinds of design elements will qualify. Minimum clear width 10 ft.; minimum height 14 ft. Only public sitting areas which are delineated from the circulation space by appropriate means will qualify. Varying sizes permitted.
Location On ground level, adjacent to sidewalk, through-block pedestrian way, or building lobby.   Southerly side of the building. Should not be near another plaza. Second floor or above. View terraces should only be located in places which have spectacular views. Locate in places too shady or windy to be used as open space. On new or existing building site. Interior of building or block. Building interior adjacent to Sidewalk or public open space. In any approved galleria. As identified in the Pedestrian Network Plan. Other locations must be approved. As identified in the Pedestrian Network Plan. Other locations must be approved.
Access Accessible on at least one side of its perimeter. Accessible from at least one street at Access from several locations encouraged. Park interior to be visible from entrances. Accessible from a public street at grade or 3' above or below street level connected to street with generous stairs. Accessible directly from the sidewalk or public corridors. Must provide adequate signage about location and public accessibility at street level, in hallways and elevators. Accessible from street at grade or 3' above or below street level. Provide several entrances from public rights-of-way. Accessible from public streets. On street level or 3 ft. above or below street level. Accessible from one or inure sidewalks through generous hallways. Space must be made available and inviting to the general public. Accessible from street level. Provide several entrances to cake the space inviting to the public. Accessible from public right-of-way or open space at grade or 2 ft. above or below grade level of adjoining public area. Accessible from sidewalks or public open space at grade level or 2 ft. above or below grade. Connect arcade to public space with continuous stairs.  
Seating*, Tables, Etc. One seating space for each 25 sq.ft. of garden area. One half of seating to on moveable. One table for each 400 sq.ft. of garden area. Provide formal and informal seating, on sculptured lawn. Moveable chairs desirable. One linear foot of seating space per each linear foot of plaza perimeter. One half of seating to consist of benches. One seating space for every 25 sq.ft. of terrace area. One seating space for every 25 sq.ft. of floor area. If functional for sitting and viewing, seating can be ledges, stairs, benches, chairs. Provide one seating space for every 20sq.ft. of floor area, one table for every 400 sq.ft. of floor area. At least one half of seating to consist of movable chairs. Provide one seating space for every 20 sq.ft. of floor area, one table for every 400 sq.ft. of floor area. At least one half of seating to consist of movable chairs. Provide sitting ledges, benches, movable chairs and tables in areas outside the pedestrian pathway. At least one half of seating should consist of movable chairs. Place seating and tables outside the area of pedestrian flow. If functional for sitting and viewing, seating can be ledges, benches, chairs.
Landscaping, Design Ground surface primarily of high quality paving material. Install plant material such as: trees, vines, shrubs, seasonal flowers to create garden-like setting. Water feature desirable. Provide lush landscape setting with predominantly lawn surfaces and planting such as: trees, shrubs, ground cover, flowers. Provide a water feature as major focus. Landscaping is generally secondary to architectural elements. Use trees to strengthen spatial definition and to create peripheral areas of more intimate scale. Terrace may take one of the following forms: complex architectural setting which may include art works; flower garden; space with trees and other planting. Interior surface may be a mixture of hard surfaces and planting areas. Water features are desirable. Surface will predominantly be hard pavement. Add planting where appropriate. Provide attractive paving material to create interesting patterns. Use rich plant material. Incorporate sculpture and/or water feature. Provide attractive paving material to create interesting patterns. Use rich plant material. Incorporate sculpture and/or water feature. Use rich paving materials in interesting patterns. Include sculpture or other works of art and water feature. Arcades should be enhanced by creating attractive paving patterns with rich materials. Incorporate mosaics, murals or three dimensional elements into wall surfaces, coffering into ceiling surface. Include plant materials where appropriate. Use rich paving material in interesting patterns. Include plant material
Commercial Services, Food   Provide food service within or adjacent to the park. 20% of space may be used for restaurant seating taking up no more than 20% of the sitting facilities provided. Provide retail space including food services in space around plaza. 20% of space may be used for restaurant seating taking up no more than 20% of the seating provided. Provide food service on or adjacent to terrace. Provide food service within greenhouse; 20% of greenhouse space may be used for restaurant seating occupying no more than 20% of the seating provided. Encourage food vendors to locate in the vicinity. Locate food service adjacent to the atrium; 20% of area may be used for restaurant seating taking up no more than 20% of the seating and tables provided. Provide food service; 20% of area may be used for restaurant seating taking up no more than 20% of the seating and tables provided. Both sides of galleria should be lined with retail shops and food Services. Locate sitting areas near food services. Restaurant seating is not to take up more than 20% of sitting area. Attractive retail shops, food Services and restaurants should front on the arcade. 20% of sitting area to be used for restaurant seating, occupying no more than 20% of sitting facilities and tables provided. Attractive shops, restaurants, cafes and food services should line the pedestrian walkways and lunchtime malls.
Sunlight and Wind Sunlight to much of the occupied area at lunch time. Shelter from wind. Sunlight to most of the occupied area from mid-morning to mid-afternoon. Shelter from wind. Sunlight to much of the occupied area at lunch time. Shelter from wind. Sunlight to most of the occupied area of the terrace at lunch time. Shelter from wind. Sunlight at lunchtime highly desirable but not required. Sunlight to sitting areas at lunch time. Shelter from wind. Mass buildings surrounding the atrium in such 3 way as to maximize sunshine in the atrium space. Orient park to the southeast, south or southwest to insure sunlight at least during lunchtime. Mass buildings surrounding galleria in a way as to maximize sunlight into the galleria space.   Sunlight to the siting areas at lunchtime. In windy locations provide wind baffles.
Public Availability 8 AM to 6 PM Monday through Friday. At all times. At all times. 10 AM to 5 PM, Monday through Friday. 10 AM to 5 PM, Monday through Friday. At all times. 8 AM to 6 PM Monday through Friday. 8 AM to 6 PM Monday through Friday. 8 AM to 6 PM Monday through Friday. At all times. At all times
Other Security gates, if provided, should be an integral part of the design. Security gates, if provided, should be an integral part of the design.   In wind exposed locations provide glass enclosure to create comfortable environment. Include large movable windows or walls to open up greenhouse in warm weather. Credit each Seat as 25 s.f. of open space. buildings up to 100,000 g.s.f. may satisfy 100% of requirement with "snippets"; larger buildings may satisfy up to 20%. Insure proper ventilation. At least 75% of roof area to be skylit. Insure proper ventilation. Install heating to make space comfortable in cool weather. Construct glass wall to be fully or partially moveable. Security gates should be integrated into overall design and concealed when not in use. At least 75% of galleria roof shall consist of skylights. Insure ventilation.   Credit each seat as 25 s.f. of open space

* Seating dimensions are as following:
    Height: 12" tp 36"; ideally 17"
    Depth" 14" one-sided; 30-36" double-sided
    Width" 30" of linear seating are counted as one seat