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42 <br />minimum intervals of every 10 parking spaces and at the ends of all rows of parkin2. <br />3. A continuous oured -in- lace concrete curb shall be provided around landscape islands. <br />4. Where vehicles will extend over landscape islands, such islands shall be increased two and one -half feet <br />in depth by decreasing the length of the parking stall the same distance. <br />5. When grading a site for parking purposes, runoff from parking areas must be infiltrated g through grass <br />ass <br />lined swales or porous-fill retention areas rather than directinci the flow to natural wetlands. <br />6. Pedestrian ways are buffered with intermediate landscape between sidewalks and right-of-way travel <br />lane. g Y <br />Buildings and Grounds <br />1. Landscaping around the entire base (foundation) of structures is required and shall be in scale with <br />adjacent structures and be of approximate size at maturity to accom lish its intended purpose. <br />2. Landscaping to define use boundaries and circulation patterns, and to create courtyard environments <br />within the site, is required. <br />Y <br />3. No fence or wall shall be located within ten -feet of the front property line or of any street riaht-of-way line. <br />4. Vegetation of varyinq heights and textures shall be placed along walls and fences. <br />5. Lon expanses of fence or wall surfaces must be offset and a rch-itecturally designed to prevent monoto <br />6. Chain link fencing is not permitted in areas visible from adjacent properties, parking areas arkin s n <br />street or <br />pedestrian walkways unless it is screened through use of coniferous trees and /or appropriate <br />_ <br />shrub <br />plantings. <br />7. Objects such as water towers, storage tanks, processing equipment, cooling towers communications <br />towers, vents, and any other structures or equipment shall be com atible with t arcit <br />p he building architecture or <br />screened from adjacent properties, parking areas, streets, and pedestrian walkways by using a 'tv' <br />combination of landscaping and fences or walls. <br />Plant Materials: t _............, <br />A A u <br />lawns. <br />2. La a uninterrupted areas of gravel or bark mulch or bare soil are Prohibited. <br />3. Whenever possible, existing vegetation shall be preserved. <br />` ?`' <br />4. If existing vegetation is not preserved, no fewer than the number of trees per acrespecified in the section, <br />"Plant <br />Size and Distribution," shall be planted, not counting trees planted in parking lot islands smaller <br />an 500 s uare feet. <br />;.< «<: >..:.•;•v;.•..". <br />All irrigation systems are to be below ground, fully automated systems in compliance with all applicable <br />building code requirements. <br />6. All backflow control devices are to be located or screened so that they <br />are not visible from streets, parkin <br />lot or pedestrian areas. g <br />7. Along treets and highways, and at driveway intersections, plant materials must be selected <br />g Y d and placed to <br />ti{{ . J <br />avoid blocking sight lines at intersection and curb cuts. At such intersections, a 10 -foot by 70 -foot site <br />= sf <br />trian le must be rovided, with the 10 -foot dimension located on the street i <br />with the lesser traffic volume. <br />8. Along utility rights -of- -way, planting must not disrupt <br />p 9 pt service or access to overhead or underground <br />e ui ment. <br />:•r::::..:..: ::..:.. <br />9. Plant material must be used to provide microclimate modification and energy conservation. <br />Plant Size & Distribution: The number and distribution of trees which must be lanted, by size, is as follows: <br />USE CATEGORY <br />TREES PER <br />ACRE OF <br />PERCENT DISTRIBUTION <br />OF <br />UNOBSTRUCTED <br />OPEN SPACE <br />TREES <br />Residential <br />LARGE <br />SMALL <br />LARGE <br />SMALL <br />WA <br />WA <br />• Single- family, Two - family <br />N/A <br />N/A <br />• Multi -famil <br />N/A <br />N/A <br />WA <br />WA <br />Accommodations & Food Service <br />39 <br />Administrative & support Services <br />24 <br />52 <br />Arts, Entertainment & Recreation <br />51 <br />30% <br />70°% <br />Constru tion <br />51 <br />23 <br />70°% <br />30% <br />Educational Services <br />24 <br />23 <br />7D% <br />3 0 <br />Finance & Insurance <br />52 <br />30% <br />T0% <br />Health Care &Social Assistance <br />24 <br />24 <br />52 <br />30% <br />70% <br />Information <br />52 <br />30% <br />70% <br />Mana ement of Com anies &Enter rises <br />24 <br />51 <br />52 <br />30% <br />70% <br />Profession, Scientific &Technical Services <br />51 <br />23 <br />TO °% <br />30% <br />Public Administration <br />24 <br />23 <br />70 °% <br />30 °% <br />Real Estate, Rental & Leasin <br />51 <br />52 <br />30 °% <br />TO% <br />Retail Trade <br />23 <br />70% <br />30% <br />Trans ortation & Wa Fe—housing <br />39 <br />15 <br />70°% <br />30°% <br />Utilities <br />64 <br />26 <br />70°% <br />30 °% <br />Wholesale Trade 20 10 70% 30% <br />64 26 70% 30% <br />"UNOBSTRUCTED OPEN SPACE "INCLUDED ALL AREAS NOT COVERED BY BUILDINGS, PARKING LOTS <br />SURFACES. PARKING LOT ISLANDS MAY BE COUNTED AS UNOBSTRUCTED OPEN SPACE IF THEY DRIVEWAYS, SIDEWALKS, AND OTHER IMPERVIOUS <br />EY ARE AT LEAST 500 SQUARE <br />FEET IN AREA. <br />