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3 <br /> Figure 318.070-9 <br /> Biofiltration swale designed as an amenity <br /> OiN <br /> ' 4 <br /> • <br /> Open Space 1 11V+146 • OA, W s) <br /> <�•asr:.r ter.,, '� i ��%� rz4+�" rr�` , <br /> Bypass/overflow <br /> Max.Grade 1:3 slope <br /> Existingnatural <br /> vegetated slope - -- <br /> 2. Impervious pavement, especially pavement for motor vehicle circulation, shall be used no <br /> more than necessary to accommodate the intended use. Other site areas shall be in <br /> landscaping or permeable pavements(e.g.,unit pavers). (This is not a requirement for <br /> permeable pavements. Its intent is to restrict pavement for automobile circulation to the <br /> minimum necessary and to landscape those areas not used for circulation or human <br /> activity.) <br /> G. Multiple-Family Development Standards. <br /> 1. Open Space. All multifamily residential development must provide 100 square feet of <br /> on-site open space per dwelling unit as required by Chapter 15 of this title. The design <br /> standards below shall supersede the requirements of Chapter 15. Acceptable types of <br /> open space include: <br /> a. Common Open Space. Where accessible to all residents,usable outdoor open space <br /> may count for up to one hundred percent of the required open space. "Usable outdoor <br /> open space"includes landscaped courtyards or decks, entrance plazas, gardens with <br /> pathways,children's play areas,or other multipurpose recreational and/or green <br /> spaces. Special requirements for common open spaces include following: <br /> (1) Required setback areas shall not count towards the open space requirement,unless <br /> it is part of the space that meets dimensional requirements. <br /> (2) Space shall have a minimum dimension of fifteen feet measured in any direction <br /> to provide functional leisure or recreational activity. <br /> (3) Space should feature paths or walkable lawns, landscaping, seating,lighting,play <br /> structures, sports courts, or other pedestrian amenities to make the area more <br /> functional and enjoyable. <br /> (4) Common space shall be separated from ground level windows, streets, service <br /> areas and parking lots with landscaping,low-level fencing, and/or other <br /> treatments as approved by the city that enhance safety and privacy for both the <br /> common open space and dwelling units. <br /> (5) The space should be oriented to receive sunlight, face east,west or preferably <br /> south,when possible. <br /> 37 <br /> 119 <br />