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General Definitions (B) PRESERVATION GUIDELINES (b2) Rehabilitation (ADOPTED) Maintaining the existing character of the district, and whenever possible returning it to its original condition. Any rehabilitation would not require the removal of all non -original materials but would encourage the removal of all such materials which are incompatible with the defined elements of preservation for the district. The design of new construction or alteration would not require the duplication of the original design and construction, but should be compatible with existing structures and the district's defined elements of preservation. The use of original materials or construction techniques would be encouraged, but contemporary methods and materials would be acceptable when compatible. III. NEW CONSTRUCTION New construction includes any new building or structure built within the boundaries of the historic district, or any new addition to an existing building. New construction should be designed considering the appearance, scale, styles and setbacks of the other buildings in the neighborhood. New work may be contemporary or may suggest motifs from historic buildings in the district. A. HEIGHT AND PROPORTION The majority of the structures in the district are two stories in height and have square or rectangular plans. There are several houses that have L- or T- shaped or rambling ground plans. There are a few single -story cottages and one- and one -and -a -half story bungalows. The most prevalent fagade proportions are between a 1:1 and 1:2 height to width ratio. Required The height of a new structure and its height to width proportions shall be consistent with adjacent buildings in the district. The building height shall be no greater than that of the tallest existing structure and no less than that of the lowest existing structure in the same block. Fagade proportion shall be established by permitting no structure with a fagade wider or narrower than those existing in the same block. Additions to the existing buildings shall be related in height and proportion to the existing structure. Recommended Design of new construction should be compatible in character and mood to the building or neighborhood. Prohibited Additions that would add new height or change the existing facade of a building, and change its scale and architectural character shall not be considered. Not Recommended New stories should not be added nor existing stories be removed which would destroy important architectural details, features and spaces of the building. Any style or period of architecture that is incompatible with the existing should not be permitted in the new additions. B. BUILDING MATERIALS Wall materials in the district range from brick, stucco and wood clapboard and shingles, to aluminum, vinyl and fiberboard / composite siding. Required Exterior materials used on a new structure shall be compatible in scale, texture and color (as pertains to masonry) with adjacent structures. Materials used on an addition to an existing structure shall related to the existing or original materials of that structure. Also, as much of the original structure as possible shall be retained so that the addition could be removed without damage to the basic structure and appearance of the building. Recommended Alternative or composite siding may be used when it is the only feasible alternative. This siding should be compatible with the original size and style and with the materials of other buildings in the district. Prohibited Inappropriate materials such as asbestos, asphalt, cast stone or artificial brick shall not be used. Not Recommended Glass blocks should not be used. Concrete block should not be used for anything other than the foundations. IV. SAFETY AND BUILDING CODES A. BUILDING CODE REQUIREMENTS Required Building code requirements shall be complied with in such a manner that the existing character of the building is preserved. Recommended Local building code officials should be consulted to investigate alternative life safety measures that will preserve the architectural integrity of the structure. Variances for historic properties should be investigated. Prohibited Construction of new stairways and elevators that would alter important architectural features and spaces is prohibited. Not Recommended Fire prevention equipment should not damage the appearance or fabric of the building.