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construction or alteration would not require the duplication of the original design and construction, but should be compatible with the 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. And Restoration is "Encouraged": (b I) Restoration Maintaining the original or unimpaired character of the district as it was at the time of construction. Any restoration done must return the structure to its original state. Authenticity of a restoration would require the removal of incompatible exterior elements and the replacement of all damaged or deteriorated elements with replicas of the same design and materials. New construction shall conform to the guidelines for defined elements of preservation regarding height, proportion and building materials. A Certificate of Appropriateness (CoA) applicant shall be responsible for documenting the authenticity of the proposed work to the satisfaction of the commission. Required Original exterior building materials shall be retained when possible. Deterioration of wood materials shall be prevented through repair., cleaning, and painting. The existing architectural detail around windows, porches, doors, and eaves should be retained or replaced by replicas of the same design and materials when deteriorated beyond repair. Masonry, including brick and stucco structures, shall be maintained, tuck pointed, repaired and properly cleaned when necessary. Masonry and stucco shall be cleaned only when necessary to halt deterioration or to remove stains and shall be done in a method acceptable for the preservation of the surface: i.e. low pressure water and soft, natural bristle brushes. When repairing stucco, stucco mixture shall be used. Recommended Whenever possible, the original building materials should be restored. Aluminum or vinyl siding may be used when it is the only feasible alternative to maintaining or replacing the original surface material. When used over wood surfaces, this siding should be the same size and style as the original wood. Every effort should be made to retain the original trim around windows, doors, cornices, gables, eaves, and other architectural features. Ample ventilation must be afforded the structure when aluminum or vinyl siding has been installed, in order to prevent increased deterioration of the structure from moisture or insects. Original windows and doors shall be retained including sashes, lintels, sills, shutters, decorative glass, pediments, hoods, and hardware. When deteriorated beyond repair, they shall be replaced with units and trim resembling the original. STAFF RECOMMENDATION: Staff recommends approval. This project meets the preservation guidelines as described for a "Rehabilitation" District and further meets the guidelines of the encouraged "Restoration" district. The proposed work also meets the standards cited above. Non -original, incompatible elements have been removed and in-kind repair or replacement is planned for the architectural features revealed upon the removal of the aluminum siding. Zi