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9 MINUTES OF THE ORONO PLANNING COMMISSION MEETING HELD ON AUGUST 21. 1995 <br />(#14 - #2056 Michael & Barbara Wigic>’ - Connnued) <br />GafBron reported that the application is for land aheration condiuonai use pe^i and <br />\"ariance to excavate in the 0-75' zone and to install boulder retaining ualls o e sections <br />prohibit grading %vithm 75' of the lake, as well as any hardcover in that arex and requires a <br />CUP for lakeshore alteration. <br />The application proposes two tiers of boulder wails; one at the top or a 2 1 siope the <br />other at the base of that slope in the flood plain next to the lake. The walls w oui <br />a 3:1 slope. A retaining wall at the top of the slope would be extended to maxe t e awn <br />level, A MCWD permTi is required to build within that flood plain. A <br />had been turned down by MCVVT) when he appued for their permit. Gafffon said he a <br />spoken with the MC\VD, who saw no need for the walls GaSiron said he concurs wit <br />the nndins that the walls would provide no signincant stabilization. Showing an eie\ation <br />sketch, Gaf&on said the wail would be e.xposed 5-1/2 of the 1 / height at "he a 'e. t^ <br />would be difficult to screen all of this wail, Gadron said Staff sees bttlejusuncation lor <br />the wails unless there was immment failure of the slopes. WaUs are not normaUy approved <br />by the City for aesthetic reasons or for surface soil erosion. <br />The erosion occurring by the house is in the shaded area. Fill would make this area to the <br />north and south more level and could possible be screenable with vegetauon Sta <br />currently views the site has having a natural state of shoreline, and changing it as proposed <br />will yield a layered look of omxmental vegetation The Engineer has iound no problem <br />with the proposal from an engineering standpoint, but notes there is no ev idence that t e <br />slope is about to fail. <br />Gaffion said the hardcover had not been measured. There is mulch with tadne within the <br />0-7V some of which Gaf&on said should stay and some should be removed There is <br />likely a need to stabilize the ground where no grass is growing to control the erosion. The <br />drainage around the house drains towards the neighbor and tans out <br />Peterson asked the aopiicant why she felt the walls were needed Mrs Wigley said it was <br />her feelme that erosion was occumng on both sides of the house as well as being the issue <br />on the hill Her mam concern is for saiety of her family notmg the vegetation on the hi^ is <br />full of poison ivy and poison oak. Wiglev' did not wish to remove the natural look ot the <br />hill with crass. She said sne is a mamtenance-tvpe person, wno likes to take care or the <br />problem before the hill falls down and would like to remove the poisong ivy ana oak <br />Schroeder said the apoiicant could replace the poison ivy and oak with other vegetation <br />wilhout requione boulder waUs. Gaiffon said the Citv- feels there is no need to grade I <br />hiils.de to set nd“of the poison ivy and oala and there is rio slope prool.^ requiring the <br />wail Ga*on did agree that leveling of the top area would be helprul. Schroeder said he <br />agreed that erosion wxs occurrmg on the sides of the house, and maybe at the top of the <br />slope, but did not see any erosion at the bonom.