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The Secretary of the Interior's Standards for the Treatment of Historic Properties, 1995
Bit r ;'dt4 3 Standards for Rehabilitation
1 t 7 REHABILITATION IS DEFINED AS
the act or process of making possible
a compatible use for a property 4.1 Illli,lt;; -� ; , through repair, alterations, and
a dditions while preserving those
' por or features which convey its
I 'Mild i ll historical, cultural, or architectural
values.
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1. A property will be used as it was historically or be given a new
use that requires minimal change to its distinctive materials,
40 1141 features, spaces, and spatial relationships.
2. The historic character of a property will be retained and
preserved. The removal of distinctive materials or alteration of
ht 'F features, spaces, and spatial relationships that characterize a
property will be avoided.
3. Each property will be recognized as a physical record of its time,
place, and use. Changes that create a false sense of historical
development, such as adding conjectural features or elements
from other historic properties, will not be undertaken.
4. Changes to a property that have acquired historic significance in
their own right will be retained and preserved.
5. Distinctive materials, features, finishes, and construction
techniques or examples of craftsmanship that characterize a
property will be preserved.
6. Deteriorated historic features will be repaired rather than
replaced. Where the severity of deterioration requires
replacement of a distinctive feature, the new feature will match
the old in design, color, texture, and, where possible, materials.
Replacement of missing features will be substantiated by
documentary and physical evidence.
7. Chemical or physical treatments, if appropriate, will be
undertaken using the gentlest means possible. Treatments that
cause damage to historic materials will not be used.
8. Archeological resources will be protected and preserved in place.
If such resources must be disturbed, mitigation measures will be
undertaken.
9. New additions, exterior alterations, or related new construction
will not destroy historic materials, features, and spatial
relationships that characterize the property. The new work will
be differentiated from the old and will be compatible with the
historic materials, features, size, scale and proportion, and
massing to protect the integrity of the property and its
http: / /www2 .cr.nps.gov /tps /secstan5.htm 8/27/2003
Secretary of the Interior's Standards for the Treatment of Historic Properties (1995), Natio... Page 2 of 2
environment.
10. New additions and adjacent or related new construction will be
undertaken in a such a manner that, if removed in the future,
the essential form and integrity of the historic property and its
environment would be unimpaired.
REHABILITATION AS A TREATMENT. When repair and replacement
of deteriorated features are necessary; when alterations or additions
to the property are planned for a new or continued use; and when its
depiction at a particular period of time is not appropriate,
Rehabilitation may be considered as a treatment.
http: / /www2 .cr.nps.gov /tps /secstan5.htm 8/27/2003