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� <br /> � O� <br /> O O <br /> �T�;��., �ITY o� URONO <br /> � �';���, � rt��oe� <br /> � 1 �=�.. <br /> ^:� � {., �oes�s�� <br /> `�� �3� ,��%:,1� ti, c��say,;���ss3Z3-oo� <br /> �r���t!J���,.�0 <br /> �sk s��o� <br /> i1Ei.it1�CO�R O��T��TCE- In�197�, the Orono City Council adopted an ordinance limitinQ <br /> the percentaQe of lot area that can be covered with impervious surface ("hardcover") such as <br /> roofs, driveways, sidewalks, etc. on properties located within 1,000 feet of a lake. Studies have <br /> shown that sediments, oils, and debris carried into the lake from hiQhly urbanized areas have <br /> a detrimental impact on the qualiry of water in the lak�et�o ah Qras edOor�veQetaoted yard areas <br /> ensure that rainfall run-off will be cleansed by filterui, ., � <br /> before entering the lake. <br /> Hardcover Zones - Allowed Pe O�ntages: <br /> 0-7� <br /> 75-?50' 25 0 <br /> 250-�00' 30`70 <br /> 500-1000' 35 0 <br /> Hardcover includes: <br /> - Roofs <br /> - Sidewalks <br /> - Paved or �ravel drive«rays <br /> - Patios & dzcks (includes slatted decks) ,. <br /> - Tops of retainin� walls & rock walls <br /> - Decorative landscape areas underlain by plastic sheeting or fabric <br /> - Any ocher surface that does not allow direct absorption of rainfall into <br /> the �round <br /> L�STRUCTIONS FOR CO�TPLETLtiG HARDCO��ER C:�I.CULaTIO'�T `VORKSHEET <br /> 1, Circle �vhich setback zone (0-7�', 7�-250', e«•) the calculation is for. <br /> 2. For each item of hardcover within that zone, encer the lenath and width, and multiply to <br /> Qet square footaae (s.f.). <br /> 3, Add up all the square foota�es to �et total square foocage of hardcover. <br /> 4. Divide by the total area of property within the zone and multiply by 100 to �et <br /> percenta?e of hardcover ui the zone. <br /> 5. If chan;es in hardcover are proposed, you�shouldthan those allowedr ontact City staff <br /> worksheet. If either results in percenta�es �.reater <br /> before proceeding with your project planninQ! � <br /> . TEI,EYFIONE-4'�T35'1•FAX-4T3-051� <br />