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ARDEN HILLS CITY COUNCIL—JANUARY 13, 2014 12 company will be purchasing new air compressors and vacuum pumps that produce lower levels of noise than the equipment currently being used in Building 14. Equipment in the new mechanical room will also be placed on vibration reducing pads. Design measures included in the construction of the addition will help reduce ambient noise levels. The building walls will be comprised of dense, sound-blocking concrete and sound absorptive duct lining will be used at all ventilation openings to the exterior. Finally, Boston Scientific will perform a noise test following the installation of the new equipment to verify acceptable noise levels. Associate Planner Bachler indicated that the Zoning Code requires screening to be provided where any business or industrial use is adjacent to a residential zoning district. An existing stand of mature coniferous and deciduous trees between Building 14 and Boston Scientific's northwest property line satisfies this requirement. A 45 foot wide trail corridor located between the boundary of the Boston Scientific campus and the adjacent residential lots provides an additional landscaped buffer. Associate Planner Bachler reported two spruce trees would be planted as part of this proposal and would be sited in the vicinity of the addition to provide additional screening along the northwest property line. The landscape plan indicates the proposed location of these trees. Boston Scientific is planning to discuss the placement of the trees with an adjacent property owner who was in attendance at the Planning Commission meeting on December 4, 2013. Associate Planner Bachler provided the findings of fact for review: 1. A Master PUD was approved for 4100 Hamline Avenue North in Planning Case #02-025. 2. The proposed 1,310 square foot addition to Building 14 was not included in the approved Master PUD and an amendment to the PUD is therefore required. 3. The Master PUD requires that a Site Plan Review be applied for prior to the construction of any building or addition. 4. The property is located in the 1-1: Limited Industrial District. 5. The proposal is in substantial conformance with the zoning and design standard requirements for the I-1: Limited Industrial District. 6. The applicant has provided a Parking Calculation Plan that shows adequate "Proof of Parking" spaces in the event that additional parking is needed. 7. The proposal is not expected to exceed noise limits set by the Minnesota Pollution Control Agency. 8. The proposal will not adversely impact the surrounding neighborhood or the City as a whole. Associate Planner Bachler stated that the Planning Commission reviewed Planning Case 13-021 and unanimously recommends approval (5-0) for a Planned Unit Development Amendment and Site Plan Review at 4100 Hamline Avenue North, based on the findings of fact and submitted plans as presented in the January 13, 2014, report to the City Council, as amended by the following five (5) conditions: