1. Signs, sign structures, sign foundations and methods to attach
and anchor signs must be designed and constructed in accordance with
applicable provisions of the Building Code. All signs and their foundations
and attachments must be designed for the appropriate dead and seismic loads.
Exterior signs must also be designed to support appropriate snow and wind
2. Signs erected within 5 feet of an exterior wall opening must be
constructed of noncombustible or other approved materials.
3. The supports and foundations used in construction for all signs
and sign structures must be located outside of any rights-of-way. Portable
signs may be located in the right of way if they meet the standards of
Subsection 32.32.030 B, Signs extending into the right-of-way.
4. Welds of sign structures must be welded in accordance with the
Building Code. Welding must be done by approved welders as provided in the
a. Freestanding signs that are symmetrically balanced on the sign
structure and sign foundation, that have a maximum of 200 square feet of
sign area, and that have a maximum height from the lowest ground level below
the sign to the top of sign of 25 feet.
b. Freestanding signs that are asymmetrically balanced on a sign
structure and foundation, that have a maximum of 200 square feet of sign
area, and that have a maximum height from the lowest level of ground below
the sign to the top of the sign of 25 feet.
c. Projecting wall mounted signs that have a maximum of 200 square
feet of sign area and that provide at least 8 feet below the sign to the
highest ground level. Pre-approved sign designs for projecting signs will be
limited to the attachment methods and materials and the wall materials
specified in the request and approved by the Director.
2. Flush mounted signs. Signs that are mounted flush to a wall if
the sign does not weigh more than 7 pounds per square foot or, in total, weigh
more than 400 pounds.
3. Temporary banners. Temporary banners less than 50 square feet in
area, must be attached to a structure at least at the four corners of the
banner. Temporary banners 50 square feet in area or larger must be attached
the structure at least at the 4 corners and at the midpoints of the two
longest sides. Temporary banners may be attached as prescribed in this
paragraph along the top edge and weighted at the bottom edge.
4. Permanent banners. Permanent banners must be attached to a
structure in one of the following manners:
a. Continuously along two sides of the banner for the full
dimension of the banner; or
b. At each corner of the banner and at intervals no greater than
18 inches along the perimeter of the banner.
1. Vision clearance areas.
a. Vision clearance areas. Vision clearance areas are
triangular-shaped areas located at the intersection of any combination of
rights-of-way, alleys or driveways. The sides of the triangle extend 15 feet
from the intersection of the vehicle travel areas. See Figure 15a and b. The
height of the vision clearance area is from 42 inches above the ground to 10
feet above the ground immediately below the sign or awning. See Figure 15c.
b. Signs in vision clearance areas. Signs may not be located
within a vision clearance area as defined in this paragraph. Support
structures for a sign may only be located in a vision clearance area if the
combined total width is 12 inches or less and the combined total depth is 12
inches or less.
2. Vehicle area clearances. In areas outside of rights-of-way, when
a sign or awning extends over where vehicles travel or are parked, the bottom
of the structure must be at least 14 feet above the ground. Vehicle areas
include driveways, alleys, parking areas, and loading and maneuvering areas.
3. Pedestrian area clearances. When a sign or awning extends over a
sidewalk, walkway or other space used by pedestrians, the bottom of the
structure must be at least 8 feet above the ground. Free-hanging valances made
of fabric or other non-rigid material hung on signs, awnings, and marquees
must be at least 7 feet above of a sidewalk, walkway or other space used by
4. Clearances from fire escapes, means of egress or standpipes.
Signs, sign structures and awnings are prohibited from being erected in any
manner that interfere in any way with the free use of any fire escape, means
of egress or standpipe. Attaching signs, sign structures or awnings to a fire
escape is prohibited.
5. Obstruction of windows and ventilation. Signs, sign structures
and awnings are prohibited from being installed in any way that obstructs any
building openings to such an extent that light, ventilation or exhaust are
reduced to a level below that required by either the Building Code; Title 25,
Plumbing Regulations; Title 27, Heating and Ventilating Regulations or Title
29 Housing and Maintenance Regulations.
6. Access to signs. Access clear of all obstructions must be
provided to all signs. The access path must be at least 3 feet wide and 4 feet
high. In the case of an roof sign, the access must be provided above the roof
and set back from any parapet.