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AttachmentA MEMORANDUM COMM. NO. :613101211 CLIENT :Boston Scientific PROJECT :Building 10 Courtyard Conversion SUBJECT :Land Use Application Narrative MEMO BY :Joseph Ford, RSP Architects DATE :April 7, 2014 ATTENTION :Ryan Streff, City Planner, City of Arden Hills COPY :Marte Byrne, Boston Scientific Boston Scientific would like to request a PUD amendment for an addition to Building 10 in the southern central portion of its Arden Hills Campus. The purpose of the addition is to provide storage and support space for ongoing product development and research work in Building 10. The proposed addition is 730 gross square feet, single-story and will infill an existing paved courtyardat the south side of Building 10. The height of the addition shall match the existing roofline at approximately 13’ above grade. The building structure will be concrete masonry with a steel beam and deck roof structure. The exterior finish will be face brick with color and coursing to match existing adjacent construction. Other exterior materials will include prefinished metal coping. One makeup air unit sized to serve the new square footage will be installed on the roof. This unit will be smaller in size than other existing equipment and will therefore not contribute to maximum noise levels. The nearest property line from the addition is approximately 260 feet away, with the closest neighbor being the Xcel Energy substation. The closest residential property is the new multifamily development on County Road F and is approximately 900 feet away. The existing landscaped area at the addition is turf grasswith a mix of mature trees. The area disturbed by construction will berestored to its previous condition. Building 10 is heavily screened from the south by the wooded wetland area between the building and County Road F. Boston Scientific proposes that additional trees needed to meet the City’s landscape requirementsbe added to the east side of Innovation Way near the turnaround at Cummings Park Drive, where additional landscaping would be noticeable. The Rice Creek Watershed District does not require Stormwater Management or Erosion & Sedimentation Control permits for projects that involve less than 10,000 square feet of impervious surface (Rule C: 2.(a)) or disturbance of vegetative cover (Rule D: 2.(a., 2)). The proposed project will include 730 SF of impervious surface, with zero net increase since the construction replaces a paved area. Disturbance of vegetated areas will be only that needed for excavation of new foundations and construction access. This area of disturbance is estimated at 1,800 square feet.