In determining the recommendations to be made to Borough Council
concerning the issuance of a certificate of appropriateness, HARB
shall consider only those matters that are pertinent to the preservation
of the historical and/or architectural aspect and nature of building,
site, area, or district, certified to have historical significance,
and only to the extent a facade of a principal building, structure,
site, area, or district fronts on the following streets: North Chestnut,
Street, South Chestnut Street, Green Street, East Main Street, West
Main Street, West Northampton Street, Race Street, and South Walnut
Street of the Bath Historic District, and the following additional
guidelines:
(1) Broad historical values representing the cultural, political, economic,
or social history of the Borough.
(2) The relationship of the building or structure to historic personages
or events.
(3) Significant architectural types representative of a certain historical
period and a style of method of construction.
(4) The effect of the proposed change upon the general historical and
architectural nature of the district.
(5) The appropriateness of the exterior architectural features which
can be seen from a public street or way.
(6) The general design, arrangement, texture, and material of the building
or structure and the relation of such Factors to similar features
of buildings or structures in the district. Consideration shall be
given but not limited to the following:
(a)
Proportion of buildings' front facades. Preserving the
relationship between the width of the front of the building and the
height of the front of the building.
(b)
Proportion of openings within the building. Preserving the relationship
of width to height of windows and doors.
(c)
Rhythms of solids to voids in the front facade. Preserving the
relationship between a recurrent alteration of strong and weak architectural
elements, thereby maintaining a rhythm of solids to voids.
(d)
Rhythm of spacing of buildings on streets. Preserving the existing
rhythm of recurrent or repeated building masses to spaces between
each building.
(e)
Rhythm of entrance and/or porch projections. Preserving the
existing rhythm of entrances or porch projections to maintain a pedestrian
scale.
(f)
Relationship of materials. Preserving the predominant materials
of the district such as brick, stone, stucco, wood siding, or other
material.
(g)
Relationship of textures. Preserving the predominant textures
of the district which may be smooth, such as stucco or rough such
as brick with tooled joints or horizontal wood siding or other textures.
(h)
Relationship of architectural details. Preserving character
defining features of buildings, such as architectural details, including
but not limited to cornices, lintels, arches, quoins, balustrades
and iron work, chimneys, and other details.
(i)
Relationship of roof shapes. Preserving compatible roof shapes
such as gable, mansard, hip, flat, gambrel, and/or other kinds of
roof shapes.
(j)
Walls of continuity. Preserving physical elements which comprise
streetscapes such as brick walls, wrought-iron fences, building facades
or combinations of these which form visual continuity and cohesiveness
along the street.
(k)
Directional expression of front elevation. Preserving the orientation
of structural shapes, plan of openings and architectural detail that
reflect a predominantly vertical, or horizontal character to the buildings
facade.
(l)
Scale. Preserving the scale of the built environment created
by the size of units of construction and architectural detail that
relate to the size of persons, in addition, preserving building mass
its relation to open space.