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, .. ('. 1 ) \'. ...~ () , inch dimneter spruce is not included in the table below as it is located within the 30' buffer . yard). The caliper inches of trees proposed are compared to the caliper inches of trees required per the City of Arden Hills Landscaping Plan standards on table below. . . Caliper Inches of Trees (required I proposed) 1-2 Stories 30 % (95.39) 20 % (63.59) 50 % (158.99) Proposed # of Caliper Inches (240-285.5) (140-160) (203-215) -~ **The coniferous trees are listed under the 2-3" caliper category (6' tree height/2.4 = 2.5 c.i.) Buffer Yards (Special Requirement of the Neighborhood Business District) In addition to the Minimum Landscaping Requirements the Neighborhood Business District also rcquires buffer yards. Following is language from Section 5, H, 5, b ofthe Zoning Ordinance: "Buffer yards 30 feet in width shall be provided adjacent to all residential uses outside the neighborhood business district. The buffer yard shall be landscaped with a combination of evergreen trees (six-foot high minimum) and deciduous trees (three-inch caliper minimum) such that the use is effectively screened from the adjacent residences. The buffer yard landscaping shall not be inclwied into the minimum landscaping calculation (Section A, 5, A). " Based on this language additional landscaping material and green space should be provided to effectively screenlbuffer adjacent residential properties from the development. The residential properties here are to the south and to the west. The applicant has proposed landscaping of 337.5-368.5 caliper inches oflandscaping in the 30-foot buffer yard areas. These amounts could not be included in the table above. Staff would recommend a condition in the POO document to modify the landscaping in the 30- foot buffer along the west property line from the current design of solely deciduous and ornamental trees (Spring Snow Crabapples and Amur Maples), to include coniferous trees. This will provide better year-round screening for the properties to the west. In addition, staff would recommend that the Colorado Spruce and American Linden trees to the southeast of unit #20 (SOUtll of the trash enclosure) be switched around to create a larger grouping of the Spruce. This should prevent the headlight glare from southbound traffic from becoming a nuisance for the residential properties to the south. \\Earth\Planlling\Planning Cases\200S\05-l2 Arden Hills Office Park - Royal Oaks Realty - PlJD, Preliminary Plat for Old City Hall & PW Site (PENDlNG)\06-01 -04 PC Report Royal Oaks 05-12.doc Page 7 of 18