N.M. Code R. § 4.10.7.11 - GENERAL STANDARDS FOR PRESERVATION, PROTECTION, REHABILITATION OR RESTORATION
A. In
reviewing a proposed undertaking, the agency head and state historic
preservation officer will apply the following standards for structures:
(1) Weather-related deterioration shall be
prevented and measures to preserve the existing material shall be
applied.
(2) Deteriorated
architectural features shall be repaired rather than replaced, wherever
possible. In the event replacement is necessary, the new material shall match
the material being replaced in composition, design, color, texture, and other
visual qualities. Repair or replacement of missing architectural features shall
be based on accurate duplications of features, substantiated by historical,
physical or pictorial evidence.
(3)
Missing elements shall be replaced in the exact form in which they appeared at
the period of time represented, provided photographic or documented information
is available, using like materials and methods or a substitute authorized by
the state historic preservation officer.
(4) Structural stability shall be maintained
or re-established without essentially changing the existing form.
(5) The surface cleaning of structures shall
be undertaken only when necessary, and then only with extreme caution.
Sandblasting and other cleaning methods that will damage the historic building
materials shall not be undertaken.
(6) Every reasonable effort shall be made to
provide a use for a property that requires minimal alteration of the building,
structure or site and its environment or, if this is not feasible, to use a
property for its originally intended purpose.
B. In reviewing a proposed undertaking, the
agency head and state historic preservation officer will apply the following
standards for archaeological sites:
(1)
Historic and prehistoric archaeological sites will be avoided by designing
projects so that they do not enter the site boundary as established in the
state register nomination.
(2)
Sites shall be reasonably protected from erosion and other natural
phenomena.
(3) Sites shall be
protected from looting and vandalism by such methods as posting signs, fencing
and monitoring.
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