Ordinance No. 20224 - Laserfiche WebLink

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precedents that exist on the historic structure, or shall be based on sound documented research. Three dimensional elements like porches, bay windows balconies and awnings, shall be designed to conform in scale, texture and harmony to the historic structure and character defining elements of the zone. (2) Exterior Materials and Textures. (a) New foundations are subject to Uniform Building Code criteria, but shall attempt to represent a historic appearance that is compatible with the structure. (b) Siding shall replicate existing historic siding or be compatible with existing siding. Metal and vinyl sidings, T -1 -11 plywood siding, and other non -- historic siding materials shall be avoided on buildings located in the S -HB zone. Every attempt shall be made to replicate the historic look that is consistent with the historic structure. (c) The exterior color shall be compatible with adjacent landmark structure or of natural or earthtone colors, or of natural materials that are sympathetic to the historic time period, and detailing of individual structures located in the S -HB zone. Choice of color can be influenced by changing technologies, tastes and fashions. A paint analysis is considered the most effective method of determining historic color, and should be considered on structures of significant ranking. (3) Height. Building heights are generally low in the S -HB zone and alterations and additions shall not exceed 2 stories in height. Building height shall not exceed 25 feet. (4) Roof. New roof shapes shall be compatible with historic precedents existing in the S -HB zone, which are generally gabled or hipped, or a combination of the two. The roof pitch shall be medium to steep and surface material shall consist of composition shingle or wood shingle. wood shakes shall be avoided. Investigations of existing roof materials shall be conducted through research or identification on an individual basis. Earthtones and grays are generally acceptable colors for historic roofs. (5) Siting. Structures facing Blair Boulevard and van Buren Street shall continue to be sited to follow an east -west orientation, or to allow ali with Blair Boulevard, which is a unique character defining feature of the S -HB zone. Exceptions may be made for infill structures that are located at the rear of parcels or adjacent to alleys. (6) Site Development. (a) Existing mature vegetation shall be retained, to the extent possible. The addition of lawns, deciduous and evergreen trees and shrubs, vines and perennials shall be encouraged for ornamental plantings. Novelty plants, variegated foliage, and topiary (shrubbery that is clipped to imitate animal or whimsical shapes) are non - compatible with the character of the zone. (b) Fences, walls, and hedges located within the front setback shall be low and compatible with the architecture of the building on the development site. Ordinance - 135