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or in its environment may require a Certificate of Appropriateness if it significantly alters the appearance of the <br />landmark. Although these kinds of changes may not require a Building Permit, a Certificate of Appropriateness <br />may be necessary. The commission should review the proposed treatment for character and style consistency with <br />the original surfaces. <br />C. Renovation and Additions <br />Renovation is the modification of a structure, which does not alter the general massing while an addition, is a <br />change in mass. A modification, which involves the removal of a part of the landmark, should be considered <br />under demolition (see demolition). Additions to landmarks should not detract from the original form and <br />unity of the landmark and should not cover singular examples of architectural detail. Additions to <br />landmarks should be added in a manner that does not disrupt the visible unity of overall appearance of the <br />site. The proportions, materials and ratios of the existing structures should be carried through in the <br />additions. Care should be taken not to change or alter the following: <br />1. Structure—Necessary structural improvements, where safety demands should be accomplished in <br />such a way as to cause minimal visual change to the original style and construction. <br />2. Material—Additions and improvements involving any new material in the landmark should be of <br />the same material as the original. It should be the same size and texture. An alternative material <br />may be allowed if it duplicates the original. <br />a. wood—all wood trim should conform with existing trim in shape and size. <br />b. siding materials—the Commission discourages the covering or alteration of original <br />materials with additional siding. Structures already sided with incompatible materials should <br />be returned to a siding similar to the original when renovation is considered. <br />D. Demolition <br />Historic landmarks shall not be demolished. When a landmark poses a threat to the public safety, and demolition is <br />the only alternative, documentation by way of photographs, measured drawings, or other descriptive methods <br />should be made of both the exterior and interior of the landmark. The person or agency responsible for demolition <br />of the landmark shall be responsible for this documentation. <br />E. Moving <br />The moving of landmarks is discouraged, however, moving is preferred to demolition. When moving is necessary, <br />the owner of the landmark must apply to the Commission for a Certificate of Appropriateness. <br />F. S_ iM <br />No neon or flashing signs will be permitted unless they are original to the structure. Billboards and super -graphics <br />will also be disallowed. Only one appropriate identifying sign will be permitted per business. <br />G. Building Site and Landscaping <br />1. Required <br />Major landscaping items, trees, fencing, walkways, private yard lights, signs (house numbers) and benches <br />which reflect the property's history and development shall be retained. Dominant land contours shall be <br />retained. Structures such as: gazebos, patio decks, fixed barbecue pits, swimming pools, tennis courts, <br />green houses, new walls, fountains, fixed garden furniture, trellises, and other similar structures shall be <br />compatible to the historic character of the site and neighborhood and inconspicuous when viewed from a <br />public way. <br />2. Recommended <br />New site work should be based upon actual knowledge of the past appearance of the property found in <br />photographs, drawings, and newspapers. Plant materials and trees in close proximity to the building that <br />are causing deterioration to the buildings historic fabric should be removed. However, trees and plant <br />materials that must be removed should be immediately replaced by suitable flora. Front yard areas should <br />not be fenced except in cases where historic documentation would indicate such fencing appropriate. <br />Fencing should be in character with the buildings style, materials, and scale. <br />3. Prohibited <br />No changes may be made to the appearance of the site by removing major landscaping items, trees, <br />fencing, walkways, outbuildings, and other elements before evaluating their importance to the property's <br />history and development. Front yard areas shall not be transformed into parking lots nor paved nor <br />blacktopped. The installation of unsightly devices such as TV reception dishes and solar collectors shall <br />not be permitted in areas where they can be viewed from public thoroughfares. <br />is <br />