• <br /> siding. Metal and vinyl sidings, T-1-11 plywood siding, and other non - historic siding <br /> materials shall be avoided on buildings located in the historic district. Every attempt <br /> t.. shall be made to replicate the historic look that is consistent to the historic structure. <br /> The exterior color shall be compatible with adjacent landmark structures or <br /> of natural or earthtone colors, or of natural materials that are sympathetic to the <br /> historic time period, and detailing of individual structures located in the district. <br /> Choice of color can be influenced by changing technologies, tastes and fashions. A <br /> paint analysis is considered the most effective method of determining historic color, <br /> and should be considered on structures of significant ranking. <br /> 3. Height. Building heights are generally low in the district and alterations and <br /> additions shall not exceed two stories in height. Building height shall not exceed the height <br /> of the Red Barn, which is around 25 feet. <br /> 4. Roof. New roof shapes shall be compatible with historic precedents existing <br /> in the district, which are generally gabled or hipped, or a combination of the same. The roof <br /> pitch shall be medium to steep and surface material shall consist of composition shingle or <br /> wood shingle. Wood shakes shall be avoided. Investigations of existing roof materials shall <br /> be conducted through research or identification on an individual basis. Earthtones and grays <br /> are generally acceptable colors for historic roofs. <br /> 5. Siting. For structures facing Blair Boulevard and Van Buren Street they shall <br /> continue to be sited to follow an east-west orientation, or to allow to align with Blair <br /> Boulevard, which is a unique character defining feature of the district. Exceptions could be <br /> made for infill structures that are located at the rear of parcels, or adjacent to alleys. • - <br /> 6. Site Development. Existing mature vegetation shall be retained, to the extent <br /> possible. The addition of lawns, deciduous an evergreen trees and shrubs, vines and <br /> perennials shall be encouraged for ornamental plantings. Novelty plants, variegated foliages, <br /> and topiary (shrubbery that is clipped to imitate animal or whimsical shapes) will be <br /> considered to be non - compatible with the character of the district. <br /> Fences, walls, and hedges located within the front setback shall be low and <br /> compatible with the architecture of the building on the site. Fences, walls and hedges <br /> at the rear of properties in the district could be taller, but every consideration shall <br /> be given to create fence types that are historic in character, and compatible with the <br /> architecture of the district. <br /> 7. Parking. Off - street parking requirements shall be eliminated, when necessary <br /> to preserve historic landscape materials or unique historic features to allow for the adaptive <br /> re -use of historic buildings or when provision of off-street parking prevents such compatible <br /> uses. Within the entire district there shall not be a significant expansion of off -street <br /> Exhibit A - Design Guidelines Applicable to <br /> Blair Boulevard Commercial Area Historic District - 2 ioi12/93 <br />