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Paris Santa Fe-Fris¢o Depot Rehabilitation ©KEYSTONE ARCHITECTS July 10, 2001 J. The surface cleaning of structures shall be undertaken with the gentlest means possible. Sandblasting and other cleaning methods that will damage the historic building materials shall not be undertaken, K. Every reasonable effort shall be made to protect and preserve archeological resources affected by, or adjacent to, any acquisition, protection, stab'dization, preservation, rehabilitation, restoration or reconstruction project. 1.02 STANDARDS FOR PROTECTION A. Before applying protective measures which are generally of a temporary nature and imply future historic preservation work, an analysis of the actual or anticipated threats to shall be made. B. Protection shall safeguard the physical condition or environment of a property or archeological site from further deterioration or damage caused by weather or other namral, animal, or human intrusions. C. If any historic material or Architectural features are removed, they shall be properly recorded and, if possible, stored for future study or reuse, 1.03 STANDARDS FOR STABILIZATION A. Stabilization shall reestablish the structural stability of a property through the reinforcement of loadbearing members or by arresting material deterioration leading to stxucttlral failure, Stabilization shall also reestablish weather resistant conditions for a property. B. Stabilization shall be accomplished in such a manner that it detracts as little as possible from the property's appearance. When reinforcement is required to reestablish structural stability, such work shall be concealed wherever possible so as not to intrude upon or detract from the aesthetic and historical quality of the property, except where concealment would result in the alteration or destruction of historically significant material or spaces. 1.04 STANDARDS FOR PRESERVATION A. Preservation shall maintain the existing form, integrity, and materials of a building, structure, or site. Substantial reconstruction or restoration of lost features generally is not included in a preservation undertaking. B. Preservation shall include techniques of arresting or retarding the deterioration of a property through a program of ongoing maintenance. 1.05 STANDARDS FOR REHABILITATION A. Contemporary design for alterations and additions to existing properties shall not be discouraged when such alterations and additions do not destroy significant historic, Architectural, or cultural material and such design is compatible with the size, scale, color, material, and character of the property, neighborhood, or environment, B. Wherever possible, new addition or alterations to structures shall be done in such a manner that if such additions or alterations were to be removed in the future, the essential form and integrity of the structure would be unimpaired. Document 00500 Page 2-4