| (VIII) Archeological resources shall be protected and
preserved in place to the extent possible. If such resources must
be disturbed, mitigation measures shall be undertaken.
(iii) Specific standards for historic preservation
projects. In conjunction with the eight general standards listed in
clause (ii)(I) - (VIII) of this subparagraph, specific standards are
to be used for each treatment type.
(I) Standards for rehabilitation.
(-a-) A property shall be used as it was historically
or be given a new use that requires minimal change to its distinctive
materials, features, spaces, and spatial relationships.
(-b-) The historic character of a property shall be
retained and preserved. The removal of distinctive materials or alteration
of features, spaces, and spatial relationships that characterize a
property shall be avoided.
(-c-) Each property shall 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, shall not be undertaken.
(-d-) Changes to a property that have acquired historic
significance in their own right shall be retained and preserved.
(-e-) Distinctive materials, features, finishes, and
construction techniques or examples of craftsmanship that characterize
a property shall be preserved.
(-f-) Deteriorated historic features shall be repaired
rather than replaced. Where the severity of deterioration requires
replacement of a distinctive feature, the new feature shall match
the old in design, color, texture, and where possible, materials,
replacement of missing features shall be substantiated by documentary
and physical evidence.
(-g-) Chemical or physical treatments, if appropriate,
shall be undertaken using the gentlest means possible. Treatments
that cause damage to historic materials shall not be used.
(-h-) Archeological resources shall be protected and
preserved in place to the extent possible. If such resources must
be disturbed, mitigation measures shall be undertaken.
(-i-) New additions, exterior alterations, or related
new construction shall not destroy historic materials, features, and
spatial relationships that characterize the property. The new work
shall be differentiated from the old and shall be compatible with
the historic materials, features, size, scale and proportion, and
massing to protect the integrity of the property and its environment.
(-j-) New additions and adjacent or related new construction
shall be undertaken in such a manner that, if removed in the future,
the essential form and integrity of the historic property and its
environment would be unimpaired.
(II) Standards for restoration.
(-a-) A property shall be used as it was historically
or be given a new use which reflects the property's restoration period.
(-b-) Materials and features from the restoration period
shall be retained and preserved. The removal of materials or alteration
of features, spaces, and spatial relationships that characterize the
period shall not be undertaken.
(-c-) Each property shall be recognized as a physical
record of its time, place and use. Work needed to stabilize, consolidate
and conserve materials and features, from the restoration shall be
physically and visually compatible, identifiable upon close inspection,
and properly documented for future research.
(-d-) Materials, features, spaces, and finishes that
characterize other historical periods shall be documented prior to
their alteration or removal.
(-e-) Distinctive materials, features, finishes, and
construction techniques or examples of craftsmanship that characterize
the restoration period shall be preserved.
(-f-) Deteriorated features from the restoration period
shall be repaired rather than replaced. Where the severity of deterioration
requires replacement of a distinctive feature, the new feature shall
match the old in design, color, texture, and, where possible, materials.
(-g-) Replacement of missing features from the restoration
period shall be substantiated by documentary and physical evidence.
A false sense of history shall not be created by adding conjectural
features, features from other properties, or by combining features
that never existed together historically.
(-h-) Chemical or physical treatments, if appropriate,
shall be undertaken using the gentlest means possible. Treatments
that cause damage to historic materials shall not be used.
(-i-) Archeological resources affected by a project
shall be protected and preserved in place to the extent possible.
If such resources must be disturbed, mitigation measures shall be
undertaken.
(-j-) Designs that were never executed historically
shall not be constructed.
(III) Standards for reconstruction
(-a-) Reconstruction shall be used to depict vanished
or non-surviving portions of a property when documentary and physical
evidence is available to permit accurate reconstruction with minimal
conjecture, and such reconstruction is essential to the public understanding
of the property.
(-b-) Reconstruction of a landscape, building, structure,
or object in its historic location shall be preceded by a thorough
archeological investigation to identify and evaluate those features
and artifacts which are essential to an accurate reconstruction. If
such resources must be disturbed, mitigation measures shall be undertaken.
(-c-) Reconstruction shall include measures to preserve
any remaining historic materials, features, and spatial relationships.
(-d-) Reconstruction shall be based on the accurate
duplication of historic features and elements substantiated by documentary
or physical evidence rather than on conjectural designs or the availability
of different features from other historic properties. A reconstructed
property shall re-create the appearance of the non-surviving historic
property in materials, design, color, and texture.
(-e-) A reconstruction shall be clearly identified
as a contemporary re-creation.
(-f-) Designs that were never executed historically
shall not be constructed.
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