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MIHUTES OF THE PIANNIHG C [ISSlOn MEETING HELD APRIL 20, 1967 <br />#1135 ROBERT HAHHIN6 JR. <br />4220 SIXTH AVENUE NORTH <br />CONDITIONAL USE PERMIT <br />PUBLIC HEARING 10:47-11:03 <br />The Affidavit of Publication and Certificate of Mailing <br />was noted. <br />Assistant Zoning Administrator Gaffron explained the <br />request for a conditional use permit for fill along <br />sixth Avenue North to create a berm for noise control. <br />The request involves approximately 13,800 cubic yards of <br />fill, average depth of fill above existing grade <br />approximately 17', average height of fill above crown of <br />road 11', proposed sideslopes 1:1. Upon the staff and <br />City Engineers recommendation, applicant has revised his <br />proposal to avoid the wetland by berming parallel to the <br />wetland. <br />Mr. & Mrs. Robert Hanning were present. Mrs. Hanning <br />stated that the adjacent property owners have not voiced <br />any objection to the proposal. She stated that based on <br />discussion with various government agencies, an earth <br />berm is most effective for noise control, and because <br />their house is on a hill, they would need a berm of <br />substantial height to be effective. <br />Chairman Kelley stated that in a similar application, 6' <br />height above the crown of the road was the maximum <br />allowed. The 6' height was determined in relation to <br />the maximum fence height allowed on the lot line. If <br />extra height is needed, plantings could be added. He <br />felt they should stay within that guideline. <br />Regarding the proposed 1:1 slope. Assistant Zoning <br />Administrator Gaffron explained that this steep of slope <br />probably could not be mowed/maintained. City Engineer <br />Cook recommended a 2:1 or 3:1 slope. He also noted <br />that east of this property the natural grade height is <br />approximately 8' above road crown. <br />Cohen agreed with the 6' maximum height to be allowed. <br />Johnson felt an earth berm should not be compared to a <br />fence. <br />Bellows indicated to staff that she felt Che berm should <br />be limited to 6' above road crown with natural <br />screening. <br />Mr. Hanning stated that an 11' berm at 2:1/3:1 slope <br />would create a 100 foot wide berm. He also stated that <br />a 6' high berm would not accomplish the needed noise <br />control. <br />i <br />1