Page 198 - Healdsburg, CA Citywide Design Guidelines

Approaches to Historic Preservation
FIGURE 8.3: PREFERRED
SEQUENCE OF Projects
TREATMENTS FOR A Preservation projects may include a range of activities, such
HISTORIC RESOURCE as the maintenance of existing historic elements, repairs of
deteriorated materials, the replacement of missing features and
Treatment 1: Preserve
the construction of new additions. When planning a preservation
If a feature is intact and in good approach, consider the following treatments of a historic resource
condition, maintain it as such. to determine which is appropriate to the project.

Preservation
The act or process of applying measures to sustain the existing
form, integrity and material of a building. Some work focuses
Treatment 2: Repair on keeping a property in good working condition by repairing
If the feature is deteriorated or features as soon as deterioration becomes apparent, using
damaged, repair it to its original procedures that retain the original character and finish of the
condition. features. Property owners are strongly encouraged to maintain
properties in good condition.

Rehabilitation
The process of returning a property to a state that makes a
Treatment 3: Reconstruct contemporary use possible while still preserving those portions
If the feature is missing entirely, or features of the property which are significant to its historical,
reconstruct it from appropriate architectural or cultural values. Rehabilitation may include a
evidence. If a portion of a change in use of the building or additions.
feature is missing, it can also be
reconstructed.
Renovation
The process of improving by repair, to revive, a building. In
renovation, the usefulness and appearance of the building is
enhanced. The basic character and significant details of a building
are respected and preserved, but some sympathetic alterations
Treatment 4: Replace
may also occur.
If it is not feasible to repair the
feature, then replace it with one that
is a simplified interpretation of the Restoration
original (i.e., material, detail, finish). The process of reproducing the appearance of a building exactly
Replace only that portion which is as it looked at a particular time. This may include the removal of
beyond repair. later work or the replacement of missing historic features.

Remodeling
The process of changing the historic design of a building.
The appearance is altered by removing original details and by
Treatment 5: Compatible Alteration adding new features that are out of character with the original.
If a new feature or addition is Remodeling of a historic structure is inappropriate due to the loss
necessary, design it in such a way of original fabric.
as to minimize the impact on
original features. It is also important
to distinguish new features from Reconstruction
historic elements. The process of rebuilding a structure that no longer exists exactly
as it appeared historically.
190 Healdsburg Citywide Design Guidelines