[Ord. No. 1998-95]
All signs shall comply with the appropriate detailed provisions of BOCA National Building Code in effect and Chapter 10 of the Bloomington City Code relating to design, construction, alteration, repair and maintenance. Signs shall also comply with the provisions of the Bloomington Electrical Code and the additional construction standards hereinafter set forth in the specified Article 600 and references.
A.
Identification and marking. Each sign hereafter
erected or remodeled shall bear in a permanent position thereon a
clearly legible identification plate stating the name and address
of the owner of the sign, and the person, firm or corporation responsible
for its construction, erection and the date of erection. Electrical
signs shall be marked with input amperages at the full load input
similar to UL (48).
[Ord. No. 1979-12]
B.
Obstruction to exits. No sign shall be
erected, constructed or maintained so as to obstruct any fire escape,
required exit, window or door opening used as a means of egress.
[Ord. No. 1979-12]
C.
Obstruction to ventilation. No sign shall
be attached in any form., shape or manner which will interfere with
any opening required for ventilation, except that such signs may be
erected in front of and may cover transom windows when not in violation
of the provision of the Building or Fire Prevention Codes for the
City.
[Ord. No. 1979-12]
D.
Clearance from high voltage power lines.
Signs shall be located in such a way that they maintain horizontal
and vertical clearance of all overhead electrical conductors in accordance
with National Electrical Code Specifications, depending on voltages
concerned. Reference to 100 which requires ten-foot separation from
any conductor.
[Ord. No. 1998-95]
E.
Drainage. The roofs of all marquees exceeding
40 square feet shall be properly guttered.
[Ord. No. 1979-12]
[Ord. No. 1998-95]
All freestanding sign structures or poles shall be self-supporting structures erected on and permanently attached to concrete foundations. Such structures or poles shall be fabricated only from painted steel or such other materials as may be approved by BOCA National Building Code in effect and Chapter 10 of the Bloomington City Code. Detail drawings of all pole or pylon sign foundations will accompany sign permit applications.
[Ord. No. 1979-12]
All electric signs have a disconnecting
switch located in accordance with the provisions of the National Electrical
Code. The full number of illuminating elements thereof shall be kept
in satisfactory working condition or immediately repaired or replaced.
Signs that are only partially illuminated shall meet all electrical
requirements for that portion directly illuminated. All electrical
wiring used in connecting illuminated signs to power source shall
be installed by a properly licensed electrical contractor in accordance
with the National Electrical Code, except that licensed sign contractors
shall be permitted to make electrical connections from illuminated
signs to approved electrical wiring located within six feet of signs
or sign structures provided that such connections are made in accordance
with the National Electrical Code.
[Ord. No. 1979-12]
When glass is used for sign letters
or transparent panels, it shall be at least double strength thickness
for sign areas up to and including 300 square inches. When glass is
used for sign letters or transparent panels for sign areas in excess
of 300 square inches at least 1/4 inch wire glass shall be used and
the maximum span between supports shall be four feet.
[Ord. No. 1979-12]
A parapet wall must have sufficient
strength to support any sign which is attached thereto.
[Ord. No. 1979-12]
Metal supports or braces shall be adequate for wind loading; see § 3-708. Wire or cable supports shall have a safety factor of four. All metal, wire cable supports and braces and all bolts used to attach signs to brackets and signs to the supporting building or structure shall be galvanized or of an equivalent material.
[Ord. No. 1988-33]
All signs shall be designed and constructed in conformity to the provisions for materials, loads and stresses of Articles VII and VIII and the requirements of Chapter 10 of the Bloomington City Code. The effect of special local wind pressures shall be thoroughly considered in the design, but in no case shall the wind load be assumed less than 30 pounds per square foot of net exposed area for roof signs or ground signs.
[Ord. No. 1979-12]
Signs shall be anchored to prevent
any lateral movement that would cause wear on supporting members or
connectors.
[Ord. No. 1988-33]
All signs shall conform with the provisions of Chapter 10 of the Bloomington City Code, regarding the use of combustible materials. All signs hereafter located on or at any lot or premises containing a gasoline service station shall be constructed of noncombustible materials as required by Chapter 17, Article III, § 17-306, of the Bloomington City Code.
