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HomeMy WebLinkAboutRegulating the Erection, Construction, Repair, Alteration, Location of all Electric SignsORDINANCE No. 4303 -- Passed by the Common Council of the City of South Bend, Indiana FEBRUARY 23, 1g2Vg- �t Presented by me to the Mayor of the City of South Bend, Ind*ana Approved and signed by FEBRUARY 24, Clerk of Common Council ' :r FEBRUARY 24, Clerk AN ORDINANCE REGULATING THE ERECTION, CONSTRUCTION, REPAIR, ALTERATION, LOCATION, OF ALL ELECTRIC SIGNS; LOCATION OF ALL OVERHANGING SIGNS AND ALL TYPES OF ELECTRIFIED SIGNS WITHIN THE CITY OF SOUTH BEND, INDIANA; PROVIDING FOR THE POSTING OF BONDS, LICENSING OF SIGN CONTRACTORS: THE ISSUANCE OF PERMITS AND FEES THEREFORE; AND PROVIDING FOR MINIMUM CON- STRUCTION STANDARDS. BE IT ORDAINED BY THE COMMON COUNCIL OF THE CITY OF SOUTH BEND, INDIANA, THAT: SECTION 1. The provisions of this Ordinance shall not apply to signs installed on private property that do not project over public property. SECTION 2. DEFINITION: (A) Illuminated signs shall be deemed to be signs constructed as follows: Signs, all or any part of the letters or characters of which are made in an outline of lamps or tubes. Signs with painted, flush or raised letters, or characters lighted by a lamp or lamps or tubes attached thereto, or re- flecting light thereon. Glass or plastic signs, whether lighted by electricity or any other illuminates. Signs with painted flush or raised letters or characters illuminated by lamps or tubes placed for the purpose of projecting or reflecting light thereon and signs having any electrical equipment attached thereto. Illumination of sign boards may be from a source attached to the structure or a source removed. (B) Illuminated signs that project at any angle from the building or structure against which the same are placed, whether such signs are vertical or horizon- tal, shall be deemed projecting signs. - 1 - (C) Illuminated signs placed against a building or structure running parallel thereto and not projecting at any angle therefrom shall be deemed flat signs. (D) Illuminated signs erected on the roof of building shall be deemed roof signs. (E) Illuminated signs supported by a canopy shall be deemed a projecting sign. SECTION 3. (A) Any sign weighing 800 pounds or more cannot be installed until the follow- ing information is furnished to the Chief Electrical Inspector: 1. Weight of sign. 2. Its location on the building or structure. 3. Size of vertical chains or cables. 4. Size of horizontal chains or cables and method of attaching sign support or supports to building. 5. Type and size of galvanized eyebolts holding supporting chains or galvanized cables. 6. Location of supporting eyebolts. 7. Total wattage of sign. Permit, if approved, will be issued for the specifications only as furnished. (B) It shall be the duty of the Chief Electrical Inspector to exercise super- vision over all illuminated signs and supporting structures erected or being erected and maintained under the provisions of this Ordinance and to cause inspection by inspectors in his department of all such signs and supporting structures to be made once each year and oftener where the conditions of such signs supporting structures so require. (C) All signs manufactured in or outside of the City of South Bend must have affixed seal of approval by the Chief Electrical Inspector before such signs are hung. - 2 - L _ SECTION 4. (A) It shall be unlawful to hang, enlarge or rehang any sign covered in this Ordinance unless a permit has been obtained from the Electrical Inspection Department. (B) No attachment or addition to signs shall be made to an illuminated sign unless a permit has been issued for the express purpose of allowing such attachment. SECTION 5. APPLICATIONS; Applications for permits for illuminated signs shall be.made only for bonded sign erector and shall be countersigned by licensed electrical contractor who does all electrical connections from building to sign. SECTION 6. DRAWINGS REQUIRED. Drawing prepared by licensed architect or structural engineer and bearing his seal shall be presented with permit application for signs in the following categories. 1. Supported by canopy. 2. Exceeding 799 pounds or 75 or more square feet in area of one face of a projecting sign. 3. Held by diverging guys or supports at angles less than 45 degrees with the sign structure. 4. Projecting signs having more than 40% of vertical dimension above roof line and containing more than 40 square feet in area of one face. 5. Cranes supported by roof structures, provided area of sign exceeds more than 40 square feet in area of one face. 6. Supported other than by chains. - 3 - SECTION 7. POSTING OF BONDS: Every person, company or corporation erecting, maintaining or removing illumin- ated signs shall submit to the Chief Electrical Inspector a bond with sureties to be approved by the City Controller in the penal sum of $10,000.00 (ten thousand dollars) conditioned that such person, firm or corporation shall faithfully comply with the provisions and requirements of this ordinance with respect to the alterations, location and safety of signs and for the payment of the original permit fees required by the ordinance and conditioned further to indemnify, save, and keep the City of South Bend and its officials harmless from any claims, damages, liabilities, losses, actions, suits or judgments which may be presented, sustained, brought or obtained against the City of South Bend or its officials because of the maintenance, alteration, construction or removal of any illuminated signs, or by reason of any accidents caused by or resulting therefrom. SECTION 8. PERMIT AND INSPECTION FEES: Permit fees for illuminated signs projecting over public property shall be divided as follows; Permit fees for new signs shall be calculated at the rate of 15 cents per square foot of each face measured on skeleton framework. Permit fees for signs flat against a building shall be computed as follows: 15 cents per square foot, measured as total area of display surface. SECTION 9. HEIGHT: (A) The overall vertical dimension of an illuminated projecting sign shall not exceed 60 feet. -k - (B) Signs flat against the building may be erected at entrance door height provided entire sign box is flat against the building wall; otherwise, sign must clear sidewalk by 9 (nine) feet. SECTION 10. LOCATION: Illuminated signs projecting over public property shall: (A) Be supported by a structure anchored wholly within the lot lilies. (B) Have the lowest part overhanging the public way, at least ten(10) feet above public way, provided sign does not project within two (2) feet of curb line. (C) If installed over an alley, shall be at least eighteen (18) feet above road way. (D) Flat signs shall not be supported by or placed over parapet of wall. No sign shall be attached to or supported by a chimney or water tank. SECTION 11. CONSTRUCTION: (A) BOX OR DRUM. The design shall be such as to afford ample strength and rigidity, to render the box practically weatherproof, to enclose all terminals and wiring, and to provide drainage for each compartment. (B) JOINTS. Where joints occur in a metal box or drum, they shall be riveted or bolted and shall be lap type. The lap shall be sufficient for weatherproof- ing. (C) OPENINGS IN BOX OR DRUM. All openings in the box or drum shall be provided with covers arranged to lock securely. Unless hinged, the covers shall be secured to the sign box by a non - corrosive chain. When openings occur in the top section of the box or drum, an upstanding flange shall be provided around the entire opening. (D) CONSTRUCTION OF FACES, BOXES AND BACKS. Approved plastic may be used for - 5 - sign faces but not as a.supporting means. If metal is used in the construction of illuminated sign faces on box type signs or letters, it shall be not less than No. 24 U.S. gauge (.025 inch). Metal used in faces of signs other than box type shall be not less than No. 18 U.S. gauge (.050 inch). Metal shall be used.for construction of backs of flat signs and shall be not less than No. 24 U.S, gauge (.025 inch). Metal shall be used in the construction of box or drum, i.e., that section to which the sign faces are attached, and shall be not less than No. 20 U.S. sheet metal gauge (.037 inch). Box or drum shall be galvanized steel and drainage shall be provided by means of one or more holes, each not larger than one inch or less than one - quarter inch in diameter. (E). REINFORCEMENT OF FACES. Metal faces of all illuminated signs more than two feet wide shall be reinforced on the inside with galvanized iron stiffening channels or angles and also stayed or braced to the frame or opposite side, such stays or braces to be so placed that all surface areas of ten square feet are so reinforced. (F) FRAMEWORK. All signs having an area of twelve or more square feet of one face shall have an approved structural framework of galavanized steel angles or the equivalent in strength to be not less than specified in the following tables; AREA OF FACE 12 to 20 sq. ft. 21 to 40 sq. ft. 41 to 70 sq. ft. Larger than above PROJECTING SIGNS 12 x 12 x 3/16 2x2x3/16 2x2x1/4 2z x 22 x 1/4 SINGLE FACED SMOS 12 x 1- x 3/16 12x2x3/16 2x2x3/16 2x2x1/4 (G) INTERMEDIATE BRACES. Signs of ten (10) or more lineal feet shall have an intermediate brace for every five (5) lineal feet. If frame is made of angle larger than 12" x 12" x 3/16 ", the next size angle may be used as brace. All connections between frame work member shall be made with galvanized machine bolts not less than three- eights (3/8) inches in diameter or riveted. Gusset plates or equivalent shall be used in making these connections where the area of - 6 - the sign is greater than forty (40) square feet. Metal sign faces shall be bolted, screwed or riveted to flange of drum with a maximum distance of eight (8) inches on center. If riveted, suitable tinned or cherry rivets shall be used. If bolted, brass or galvanized bolts not less than 8 -32 shall be used. If screwed, suitable sheet metal screws shall be used. All irons ,provided for attachments to the building, the attachment of guys and lift chains and the attachment to a crane, shall be directly connected to the structural framework of the sign. Signs built in more than one section shall have provision for connecting sections during the course of erection so that the entire structural framework will act as a completely fabricated and assembled unit, Each section shall be so con- structed that the interior is accessible for maintenance and inspection. (H) GLASS. The glass in a box type sign shall be double strength or plate glass, The area of any one piece of glass in each face of a sign over public property shall not exceed eight (8) square feet where double strength glass is used, nor eighteen (18) square feet where plate glass is used. Each such piece shall be supported by a separate frame. (I) PLASTICS. Approved plastic materials, such as acrylic plastic or its equivalent, may be used on signs under the following conditions: 1. The material shall not be subjected to a temperature higher than 149 degrees F. unless such material is certified by the manufacturer to be special heat resistant material, in which case the temperature shall not exceed 180 degrees. F. 2. The sign shall be so constructed that the plastic material will not come in contact with gas tubes or other source of illumination and shall be kept at least two (2) inches from the nearest incandescent lamp. 3. The wiring and current carrying parts, other than lampholders, shall be enclosed in metal. 4. When plastic material is mounted in a metal frame, proper provision -T - shall be made for the difference in expansion between the plastic and the frame. One- sixteenth (1116) inch total clearance for each twelve (12) inches or fraction thereof, of the dimension perpendicular to the mounted edge shall be provided in the mounting system. 5. When plastic is held in place by flanges, troughs, channels or clips, these means of attachment shall overlap the plastic by not less than three - eighths (3/8) inch for panels up to twelve (12).inches wide; for panels over twelve (12) inches wide and up to twenty -four (24) inches wide, seven six- teenth (7/16) inch; from twenty -four, (24) inches to thirty -six (36) inches wide, one half (J) inch; thirty -six (36) inches to forty -eight (48) inches wide, nine - sixteenth (9116) inch; and over forty -eight (48) inches, three fourths (3/4) inch. Flanges, troughs or continuous channels shall be made of galvanized sheet metal, copper or aluminum, not less than twenty (20) gauge U.S. standard in thickness, Where clips are used for attachment they shall be made of non - corrosive spring type material such as phosphor bronze or equivalent; the thickness of which shall not be less than .032" in thickness. Each clip shall not be less than two (2) inches wide and clips, bolts, screws or rivets shall be spaced on not less than seven (7) inch centers around the entire perifery of the plastic. 6. When bolts, screws or rivets are used to fasten plastic material to a metal frame, washers shall be placed under the heads of the bolts, screws or rivets. These washers shall be of metal of a non - corrosive material and have an outside diameter of not less than six (6) times the diameter of the screw being used. Washers to be not less than .032" in thickness. 7. Undue pressure of fastening devices against the plastic material should be avoided by use of suitable gasket material, spring tension, or adeq ate clearance to allow.for expansion. - 8 - 8. Removable plastic panels not fastened to the frame or supported on all edges shall be supported on their longest dimension by troughs on two opposite edges. Where such removable panels are made in several sections, the adjacent edges shall be joined together where the adjacent edges ex- ceeds twelve (12) inches in length by fastenings directly supported to the frame of the sign. Such fastenings to be not less than tvielve (12) inches on centers. 9. The plastic decorations, faces, panels and letter facings shall either; (a) Be demonstrated to be of sufficient thickness or so formed or supported as to withstand twenty -five (25) pounds uniform load per square foot without coming in contact with gas tubes or any other source of illumination and without coming within two (2) inches of an Incandescent lamp, or (b) Be of a thickness not less than that indicated in the following table: Minor dimension of Minimum nominal Exposed Plastic Thickness Sheet Flat Panels of Plastic 12" .060" 18" .080" 24" .100" 3011 12511 48" .187" 60" 250" Plastic sign faces, panels, and decorations, the dimensions of which are fixed by reference to this table, shall be so stayed, braced or supported as to prevent contact with gas tubes or any other source of illumination and so as to prevent deflection of a point within two (2) inches of an incandescent lamp. (The dimension between supported edges shall be con- sidered to be minor dimension for purposes of this table.) - 9_ 10. Plastic sheets may not be used as a supporting means for current carrying parts or sources of illumination. 11. Approved solid type or hollow plastic letters or characters may be used provided they are not used as a raceway. (J) CATWALKS AND LADDERS. Catwalks for maintenance purposes on signs and sign structures shall be constructed of metal, Ladders on sign structures shall be at least fifteen (15) inches wide, Ladders on signs shall be metal and shall not be less than ten (10) inches wide. Horizontal projecting signs, the bottoms of which are more than 28, 0" above the public way, shall be provided with catwalks and handrails. Horizontal flat signs, the bottoms of which are more than 28' 0" above the way, shall be provided with catwalks and handrails unless signs can be maintained by means other than ladders supported from the way. Vertical signs, the bottoms of which are more than 281 0" above the way, or with a vertical dimension of more than 28' 0" shall have ladders the full vertical distance of sign. In addition, all signs in the above category which are more than 4' 0" wide shall be provided with a steel structure at top of sign for maintenance purposes. Structures over twelve (12) feet high used primarily to support illuminated signs shall be provided with ladders extending from roof or ground to top of structure and in addition, shall have catwalks so that all parts of display are accessible for maintence purposes. (K) MOVING PARTS. Signs employing the use of moving parts for animated action as well as clocks and thermometers shall be so designed that the driving mechan- ism and the driven linkage and the supporting bearings are securely anchored to the main steel structure of the sign, and the supports for the movable portions of the display must be calculated to support its weight plus the maximum wind pressure to which the movable portions may be subjected. Mechanical motions - 10 - having an arc of rotation of less than sixty (60) degrees rotation must be accomplished through the use of slip rings. (L) SAFETY pROVISIONS. Facilities for proper protection of the public must be provided during the erection or maintenance of all signs. SECTION 12. WIREING UNDER 60o voms: (A) WIRE SIZE. Wire shall be of approved type not less than No. 14 B & S gauge in size. Special permission may be granted to use wire smaller than No. 14 B & S gauge in the installation of moving flashing letters. (B) CONNECTION. Where signs are connected to previously installed mains, the contractor connecting the sign will be held responsible for condition of these mains. Connections shall not be made unless the mains referred to are of sufficient capacity, in good condition and in compliance with the rules. Signs may be connected to interior lighting circuits (except circuits feeding show windows) provided the combined load on the circuit does not exceed fifteen(15) amperes. All signs shall be permanently and effectively grounded to the conduit system. All outside wiring for signs shall be installed in rigid conduit; pro - vided, however, for swing signs the conduit shall terminate at the level of the crane within three (3) feet of the sign and flexible conduit or other ap- proved means used to complete the connection. The flexible conduit shall have a drip loop and must be plastic covered. Circuits shall be so arranged that the load connected to them shall in no case be such as to place more than fifteen (15) amperes on the branch circuit over - current protective device. In addition to the current limitation of fifteen (15) amperes branch cir- cuits supplying incandescent lighting of attraction board signs shall be limited to sixteen (16) sockets. However, for lighting of silhouette letters on at- traction board signs, not more than forty (40) sockets on a branch lighting - 11 - circuit will be allowed if the sockets have a spacing of not mole than four (4) inches to center to center. Branch circuit wires for each section for attraction board signs shall be carried to the distributing center of the section in rigid conduit. Provision shall be made for the ventilation of attraction board signs illuminated by lamps on the inside. Circuits for canopy ceilings shall be limited to sixteen (16) sockets. (C) LOAD. Mains feeding signs shall be calculated on the basis of full con- nected load, whether flashers are used or not, but in no case shall there be a capacity for less than ten (10) watt lamps. Where more than one reading matter is overlaid on a single panel and only one reading matter is illuminated at one time, the mains may be calculated on the basis of the maximum load at one time. (D) WIRING OF SOCKETS. Wires shall be soldered to terminals of sockets and exposed parts of wires and terminals shall be treated to prevent corrosion. (E) BUSHINGS. Approved bushings shall be employed to protect wires passing through walls or partitions of the sign structure. (F) SWITCHES. Each sign shall be controlled by a switch which will open all ungrounded conductors. If transformers are installed inside the building wall and switch shall be installed at the transformer location. Switch may be installed inside flat or recessed signs or letters if special permission is obtained. In these cases covers over handholes must be clearly marked with a metal tag to indicate loca- tion of switch. All switches shall be 0 to 30 ampere knife blade contact and if mounted outside of sign shall be in weatherproof enclosure. An electrically operated magnetically held contactor shall be employed as control switch on all neon signs requiring more than six (6) circuits. The coil circuit shall be controlled by single pole switches in series, one of which shall be located at magnetically held contactor. 12 Where a time switch is used to control a sign, a manually operable switch shall be installed ahead or on the outside of the time switch. (G) ACCESSORIES. Flashers (except thermal flashers) may be placed in access- ible boxes or cabinets constructed of metal of a thickness or not less than No. 20 U.S. standard gauge (.0375 inch). Boxes or cabinets shall be suitably protected against corrosion and where exposed to moisture shall be weatherproof construction. Silver contact low tension flashers of not more than six circuit capacity may be placed inside sign, in a separate compartment, if a section of the sign can be removed to afford easy accessibility. Cutouts shall be installed in a vertical position and shall not be placed in the same compartment with the flasher. Cutouts, converters or any device not an integral part of the sign shall not be placed inside sign. No flood lights or spotlights shall be installed on a projecting sign un- less built into bottom of sign box for purpose of illuminating sidewalk or to illuminate sign on which placed. (H) SOCKETS. Sockets for sign shall be of the switchless porcelain or molded composition type, and shall be so designed as to afford permanent and reliable means to prevent turning, terminals of sockets shall be kept at least one -half' (J) inch from the metal of the sign or trough. Miniature sockets shall not be employed for outdoor work. Pin point sockets may be used in conjunction with standard wire. SECTION 13. WIRING ABOVE 600 vous: (A) CONDUCTORS: 1. Conductors for circuits operating at a potential in excess of 600 volts shall be of a type approved for the purpose, suitable for the voltage involved and shall be not smaller than No. 14 and shall, if within a sign or other enclosure, be supported on insulating supports, placed not more - 13 than three (3) feet apart which separate the wires at least two (2) inches from each other and from conducting materials. 2. Conductors within a sign or other enclosure shall have rubber compound or other approved insulation or approved open conductor methods. 3. Sharp bends in the conductors shall be avoided. 4. Conductors, other than installed within a sign, shall be installed in conduit, or electrical metallic tubing. Approved insulating bushings shall be used where the gas tube cable enters or leaves the conduit. (H) TRANSFORMERS: 1. Transformers shall be of a type approved for the purpose. 'Where exposed to the weather they shall be of the weatherproof type, or installed in tube - terminal housings or approved metal boxes. 2. Transformers shall be mounted on brackets directly connected to frame of sign. On signs under twelve (12) square feet where frame is not re- quired, transformers shall be supported on brackets fastened to the sides of the sign and in no case shall the transformer be resting on bottom of sign box. 3. Transformers shall be of types whose ratings do not exceed 900 volt ampere primary nor 15,000 volt secondary open circuit voltage with an allowance on test of 1000 volts additional. Transformers whose secondary current ratings exceed 60 milliamperes shall be provided with an automatic safety disconnect device which will remove the primary voltage from the transformer when current flows to ground from any part of the high voltage circuit in excess of 20 milli- amperes. Such device shall operate within a period of 20 cycles or 1/3 of a second. 4. Not more than one transformer shall be dependent upon a single auto- matic over - current protective device unless the combined load does not exceed fifteen (15) amperes, at 125 volts or less. Where circuit feeds - 14 a mixed load of incandescent lights and transformers the load shall not exceed fifteen (15) amperes. 5. Enclosures for transformers, tube terminals or any devices when not in sign shall be No. 20 U.S, sheet metal gauge or equivalent (.0375 inch). Enclosures for outside use shall be made weatherproof. \ (C) GROUNDING. Transformer frames, motor generator, rotary converter frames, metal sign frame and each section of a multiple section sign and other equipment conduit for both high and low tension wiring, transformer terminals intended to be grounded, and isolated sections of conduit shall be permanently and effect- ively grounded. (D) GAS TUBING. 1. The tubing shall be of such a length and design as not to cause a continuous over - voltage on the transformers. 2. The supports for the tubing shall be of the insulated type of non- absorptive incombustible material and preferably adjustable. They shall maintain the tubing not less than k inch from metal parts and this spacing shall be maintained where the tubing passes through metal barriers. Tube terminals shall comply with one of the following; (a) SKELETON GLASS LETTER SIGN AND OUTLINE BORDERS. When the electrodes are in a vertical position, they shall be covered by a glass shield where socket receptacles are not used. When electrodes are in a horizontal position glass tubing may be used to enclose the terminals. The distance between terminals in either case shall not exceed 1J inches. Sleeves covering terminals shall extend not less than 1z inches beyond nearest live part. Where gas tube cable leaves the conduit electric metallic tubing or other metal enclosure not more than six (6) inches of cable shall be exposed. (b) TUBE TERMINALS ENTERING A BOX, TROUGH OR OTHER ENCLOSURE, - 15 - Electrode receptacles approved-for the purpose shall be used. They shall be of incombustible non- absorbent insulating material. A flexible non - conducting seal may be used, to close the mouth of the receptacle against entrance of dust and moisture. The seal shall not be in contact with grounded conducting material. Where physical con- ditions are such as to make the installation of receptacles impossible, bushings may be used, provided the uninsulated conductor electrode terminals or pigtails and other insulating parts are so supported as to insure a permanent spacing to grounded metal or parts of opposite polarity of not less than one and one -half (1J) inches. (c) WHERE TUBING PASSES THROUGH WALL. The electrode terminal a shall be enclosed in a sheet metal enclosure not less than No. 20 U.S. sheet metal gauge (.0375 inch) or equivalent or where not feasible for the electrode.terminal to pass through the wall that an auxillary glass sleeve be provided to contain an extension jumper which shall termin- ate in the aforementioned sheet metal enclosure. SECTION 14, HANGING: (A) FLAT SIGNS. Fiat signs shall be anchored below roof line except that additional support other than chain may be provided over parapet to roof. (B) PROJECTING SIGNS. Projecting signs exceeding 100 square feet in area of one face shall be rigidly hung on beams. Separate projecting signs so hung as to appear as one sign shall be rigidly hung on beams if the total area of all faces on one side of sign exceeds 100 square feet. (C) CHAIN, SIDE GUTS AND RIGID BRACE SUPPORTS. i. All projectilg.signe shall have standard chain or cable supports and fastenings to the building as shown in the following tables: 16- `ei 'at of Nlmnber of 'Trade size of gn - lbs. Chains or Chains or Cables Cables Up to 75 i 4/o 76 to L,5O 2 1:/0 :.51 to !400 2 8; , 401 to 1000 2 10 /0 Fastening to Wall Toro expm:sion bolts per chair.. Two expansion bolts per chain. One bolt through wall or equivalent. Two bolts through wall or egaivalent- Fastenings shall be so installed that attached supports or guys make an angle of forty -five (45) degrees or greater with sign. 4Ihere machine or lag screws enter strong structures anchorage they will be considered as equivalent to bolt through the wall. Expansion bolts shall be not less than three- eighths (3/8) inch in diameter and shall enter woodwork not less than three (3) inches. 2. No supporting chain or cable shall be attached back of the center of gravity of the sign, except in the case of the rear supports of vertical signs. 3. Each left chain or cable shall be capable of carrying the sign alone. Fastenings for signs, supports or guys shall not be attached to paratet walls and shall not be less than eight (8) inches from corner of building. 4. All projecting signs shall have standard chain or cable side guys or rigid brace supports as shown in the following tables; Capacity in square feet of sign surface for pipe braces; Trade Cutside Length of Brace (Feet) Size Diameter of Pipe of Pipe 3 4 5 6 7 8 ,9 10 11 12 13 14 15 16 18 20 22 `. j2 3.62 38 22 2; 3/4 1.03 40 28 15 1 1.29 54 33 3 1 -1/4 1.65 70 53 37 21 i -1/4 1.89 56 41 23 2 2.30' 78 60 25 2-1/2 2.86 95 48 more than forty uouare feet to one brace. Pipe braces shall not have joints near center. - 17 - The ends of the pipe shall be closed by welding or by the use of approved fittings. Capacity in Square Feet of Sign Surface for Angle Iron Braces: Dimensions of Length of Brace (Feet) Angle Iron - inches 4 5 6 78 9 10 14 1 x 1 x 3/16 — 12 11 x 11 x 3/16 37 20 12 x 121 x 3/16 57 41 25 8 1 3/4 x 1/3/4 x 3/16 61 28 12 2x2x3/16 49 32 16 22 x 22 x '- 3/16 58 41 25 3 x 3 x 92 56 24 3z x 3z x u 77 42 9 1. __ 1. __ 1 5. Projecting signs with chain or cable or rigid pipe side guys shall be hinged at the building so that, should the sign swing on account of loosen- ing of the side guys, no undue strain will be placed on the supporting bolts. Where the length of the hangar iron projecting from the sign frame is of a length that will not permit hinging due to the interference of the sign drum with the supporting wall, said wall connections shall be made by means of two anchor bolts in the wall for each hangar iron, and the wall plates shall be fastened with not less than two bolts to the iron frame of the sign. 6. Each chain or cable used for the support or for the side guy of sign shall have an independent attachment to the building or supporting struc- ture, and shall make an angle of 45 degrees or greater with the sign. 7. Where supporting chains are attached to bolts through the wall such bolts shall be not less than five - eighths (5/8) inch in diameter. The bolt shall be anchored by a washer plate of not less than twenty -four (24) square inches of surface and not less than one - eighth (1/8) inch thick. 8. Chains or cables shall not be fastened to window frames or sills. 9• A turnbuckle shall be provided for all supporting chains or cables and side guys. Turnbuckles shall have a breaking strength equivalent to that of the chain or cable to which they are attgo4ed and shall be not less than - 18 - three- sixteenths (3/16) inches. 10. Split links used for connection of chains shall be of standard design and shall have a breaking strength at least equivalent to that of the phain or cable to which they are attached. 11. All chains or cables, turnbuckles, split links, bolts and screws, and all other devices which support or form a part of the support of a sign shall be galvanized or otherwise suitably protected from corrosion in some approved manner. 12. Where necessary to use a saddle for the fastening of a building iron, rigid construction shall be used. Chains or cables will not be approved. 13. Machine screws in iron fronts shall be not less than one -half () inch in diameter and shall pass through iron work. 14. Projecting signs, left chains or guys shall not be attached to wooden bays. (D) SWINGING SIGNS. Swinging signs shall be supported by a pipe crane, or the equivalent, as shown in the following tables: 0 to 75 lbs. 1" Pipe 76 to 150 lbs. 1 -1/4" Pipe 151 to 300 lbs. 1 -1/2" Pipe 301 to 450 lbs. 2" Pipe 451 to 1000 lbs. 2 -1/2" Pipe Swinging signs having a length of more than eight (8) feet shall have not less than three (3) hanging irons. Not less than two (2) bolts shall be used to fasten strap to hanging iron. All cranes shall be further supported by an additional lift chain not more than two feet no inches (2104) from building. No crane shall be erected higher than twenty -eight (28) feet above the way. (E) OBSTRUCTIONS. I. Signs shall not obstruct or be attached to any part of a fire escapes 19 - and where a sign is-hung near a fire escape, it shall be arranged to swing away from such fire escape. 2. Signs shall be installed so that a clearance of not less than six (6) feet is maintained between any wire of a high potential circuit and the sign, sign support of sign guy. Similar clearance of not less than six (6) feet shall be maintained between any other municipal or public utility wire. Sign hanger shall make arrangements to have wire rerouted when necessary before the sign is hung. 3• Signs covering windows used for light and ventilation will not be approved unless permission is obtained from the Department of Buildings. (F) ROOF STRUCTURES UNDER 1210 ". Where it is necessary to use a roof structure to support a sign, such structure shall be constructed of steel. If structure is twelve (12) feet or less the minimum requirements shall be as per appendix note. SECTION 15. SPECIAL EQUIPMENT, OUTLINE LIGHTING: (A) SCOPE. The provisions of this chapter shall apply to the installation of conductors and equipment for outline lighting. (B). SWITCH REQUIRED. Each outline lighting installation shall be controlled by an externally operable switch which will open all undergrounded conductors. (C) IN SIGHT OF LOAD. The switch required shall be within sight of the outline lighting which it controls. (D) RATING. Switches, flashers, and similar devices controlling transformers shall be either of a type approved for the purpose, or have a current rating not less than twice the current rating of the transformers. (E) GROUNDING. Troughs, tube terminal boxes and other metal frames shall be grounded in the manner specified in this Code, unless they are insulated from ground and from other conducting surfaces and are inaccessible to unauthorized persons. - 20 - (F) LOAD OF BRANCH CIRCUIT. Circuits shall be so arranged that the number of outlets, lamps and transformers connected to them, shall in no case place more than 12 amperes on a branch circuit. (G) MARKING. Transformers shall be marked with the input rating in amperes of volt - amperes, the input voltage and the open - circuit high tension voltage. (H) ENCLOSURES. Enclosures for outline lighting shall conform to the followings 1. CONIXICTORS AND TERMINALS. Cabinets and outline troughs shall have conductors and terminals, except the supply leads, enclosed. 2. CUTOUTS, FLASHERS, ETC. Cutouts, flashers and similar devices, shall be in a separate compartment. They shall be enclosed in approved metal boxes, the doors of which shall be arranged so that they can be opened without removing obstructions or finished parts of the enclosure. 3. ENCLOSURE EXPOSED TO THE WEATHER. Enclosures for outside use shall be weatherproof and shall have an ample number of drain holes, each not larger than V2 inch or smaller than 1/4 inch. Wiring connections shall not be made through the bottoms of enclosures exposed to the weather unless the enclosures are of the raintight type. 4. MATERIAL. Outline lighting shall be constructed of metal or other non- combustible material. Wood may be used for external decoration if placed at least 2 inches from the nearest lampholder or current - carrying part. 5. STRENGTH. Enclosures shall have ample strength and rigidity. 6. THICKNESS OF METAL. Sheet copper shall be at least 20 ounce (0.028 inch). Sheet steel may be of No. 28 USS gauge (.0149 inch) except that for outline lighting sheet steel shall be of No. 24 USS (.0239 Inch), unless ribbed, corrugated or embossed over its entire surface, when it may be of No. 26 USS gauge (.0179 inch). 7. PROTECTION OF METAL. All metallic parts of enclosures shall be gal- vanized or otherwise protected from corrosion. - 21 - (1) TUBE TERMINALS. The terminals shall be so designed that the tubing can be replaced without the necessity of exposing uninsulated live parts. If the spring contact type of receptacle is used, it shall be so designed that, even with the tube removed, the live spring will be recessed a distance equal to three times the diameter of the receptacle opening. It is recommended that the primary circuit be controlled by a relay that will open the circuit when a tube in the secondary circuit is broken or removed. Live parts shall be pro- tected by barriers which require other than ordinary tools such as pliers and screw - drivers for removal unless access to the parts requiries the disconnection of the primary circuit. SECTION 16. OUTLINE LIGHTING - 600 VOLTS OR LESS: (A) INSTALLATION OF CONDUCTORS. Conductors shall be installed as follows: 1. WIRING METHOD. Conductors shall be installed in rigid metal conduit, flexible metal conduit, electrical metallic tubing, armored cable or metal troughing. 2. INSULATION AND SIZE. Conductors shall be of a type approved for general use and for short leads permanently attached to lampholders or ballasts, shall be not smaller than No. 14. 3. CONDUCTORS SOLDERED TO TERMINALS. Where the conductors are fastened to lampholders other than of the pin type, they shall be soldered to the terminals and the exposed parts of conductors and terminals shall be treated to prevent corrosion. 4. LANPHOLDERS. Lampholders shall be of the unswitched type having bodies of suitable insulating material and shall be so constructed and installed as to prevent turning. Miniature lampholders shall not be employed for outline lighting. - 22 - SECTION 17. ` OUTLINE LIGHTING - EXCEEDING 600 vOLTS: (A) INSTALLATION OF CONDUCTORS. Conductors shall be installed as follows: 1. WIRING METHOD. Conductors shall be installed in rigid or flexible metal conduit. Conductors may be run from the ends of tubing to the grounded midpoint of transformers specificially designed for the purpose and provided with terminals at the midpoint. Where such connections are made to the transformer grounded midpoint, the connections betweep the high - voltage terminals of the transformer and the line ends of the tubing shall be as short as possible. 2. INSULATION AND SIZE. Conductors shall be of a type approved for the purpose and for the voltage of the circuit, and shall be not smaller than No. 14. 3. BENDS IN CONDUCTORS. Sharp bends in the conductors shall be avoided. 4. CONDUCTORS IN RACEWAXS, If the conductors are covered with lead or other metal sheathing, the covering shall extend beyond the end of the raceway, and the surface of the cable shall hot be injured where the covering, terminates. In damp or wet locations, the insulation on all conductors shall extend beyond the metal covering or raceway at least 4 inches for voltages over 10,000; 3 inches for voltages over 5,000 but not exceeding 10,000; and 2 inches for voltages of 5,000 or less. In dry locations the insulation shall extend beyond the end of the metal covering or raceways not less than 22 inches for voltages over 10,000; 2 inches for voltages over 5,000 but not exceeding 10,000; and 12 inches for voltages of 5,000 or less. For conductors at grounded midpoint terminals, no spacing is required. No more than 20 feet of cable from a single transformer shall be run in metal raceway where the potential between the cable and the raceway is more than 5,000 volts. - 23 (B) TRANSFORMERS. Transformers shall comply with the following; 1. VOLTAGE. The transformer secondary open - circuit voltage shall not exceed 15,000 volts with an allowance on test or 1000 volts additional. In end - grounded transformers the secondary, openrcircuit voltage shall not exceed 7,500 volts with an allowance on test of 500 volts additional. 2. TYPE. Transformers shall be of a type approved for the purpose and shall be limited in rating to a maximum of 4500 volt- amperes. Open core- and -coil type transformers shall be limited to 4,000 volts with an allow- ance on test of 500 volts. Transformers for outline lighting installations shall have secondary current ratings not in excess of 30 milliamperes un- less they and all wiring connected to them are installed in accordance with the provisions for electric discharge lighting of the same voltage. 3. EXPOSED TO WEATHER. Transformers used out -doors shall be of the weatherproof type or shall be enclosed in a separate metal box. 4. TRANSFORMER SECONDARY CONNECTIONS. The high- voltage windings of transformers shall not be connected in parallel; and shall not be connected in series, except that two transformers each having one end of its high - voltage winding connected to the metal enclosure in series to form the equivalent of a midpoint grounded transformer. The grounded ends shall be connected by insulated conductors not smaller than No. 14. 5. ACCESSIBILITY. Transformers shall be accessible. (C) TUBING. Electric discharge tubing shall conform to the following; 1. DESIGN. The tubing shall be of such length and design as not to cause a continuous over - voltage on the transformer. 2. SUPPORT. Tubing shall be adequately supported on non - combustible, non- absorptive supports. Tubing supports should, if practicable, be adjustable. 3. CONTACT WITH FLAMMABLE MATERIAL AND OTHER SURFACES. The tubing shall be free from contact with flammable material and shall be located where 24 - not normally exposed to mechanical injury. If operating in excess of 7,500 volts, the tubing shall be supported on non - combustible, non- absorp- tive, insulating supports which maintain a spacing of not less than 1/4 inch between the tubing and the nearest surface. (D) TERMINALS AND RECEPTACLES F0.R ELEC%RIC DISCHARGE TUBING. Terminals and receptacles for electric discharge tubing shall comply with the following; 1. TERMINALS. The terminals of the tubing shall be inaccessible to un- qualified persons and isolated from combustible material and grounded metal or shall be enclosed. If enclosed they shall be separated from grounded metal and combustible material by non - combustible, non- absorptive, insulating material approved for the purpose or by 1z inches of air. Terminals shall be relieved from stress by the independent support of the tubing. 2. `TUBE CONNECTIONS OIZLER THAN WITH RECEPTACLES. If tubes do not term- inate in receptacles designed for the purpose, all live parts of tube terminals and conductors shall be so supported as to maintain a separation of at least 11 inches between conductors or between conductors and any grounded metal. 3. RECEPTACLES, Electrode receptacles for the tubing shall be of non- combustible non - absorptive insulating material approved for the purpose. 4. RECEPTACLES AND BUSHING SEALS. A flexible, non- conducting seal may be used to close the opening between the tubing and the receptacle or bushing against the entrance of dust or moisture. This seal shall not be in contact with grounded conductive material and shall not be depended upon for the insulation of the tubing. 5. ENCLOSURES OF METAL. Metal enclosures for electrodes shall be of not less than No. 24 USS gauge (.0239 inch) sheet metal. 6. ENCLOSURES OF INSULATING MATERIAL. Enclosures of insulating material - 25 - shall be non- combustible,.non- absorptive and approved for the voltage of the circuit. (E) SWITCHES ON DOORS. Doors or covers giving access to uninsulated parts of outline lighting exceeding 600 volts and accessible to the general public, either be provided with interlock switches which on the opening of the doors or covers disconnect the primary circuit, or shall be so fastened that the use of other than ordinary tools will be necessary to open them. (F) ENCLOSURES. Enclosures for outline lighting shall conform to the follow- ing; 1. CONDUCTORS AND TERM MU S. Cabinets and outline troughs shall have conductors and terminals, except the supply leads, enclosed. 2. CUTOUTS, FLASHERS, ETC,, Cutouts, flashers and similar devices shall be enclosed in metal boxes the doors of which shall be arranged so that they can be opened without removing obstructions or finished parts of the enclosure. 3. ENCLOSURES EXPOSED TO WEATHER. Enclosures for outside use shall be weatherproof and shall have an ample number of drain holes, each not larger than V2 inch or smaller than V4 inch. 4. MATERIAL. Outline lighting shall be constructed of metal or other non - combustible material. 5. STRENGTH. Enclosures shall have ample strength and rigidity. 6. THICKNESS OF METAL, Sheet copper shall be at least 20 ounce (0.028 inch). Sheet steel may be of No. 28 USS gauge (.0149 inch) except that for outline lighting sheet steel shall be of No. 24 USS gauge (.0239 inch)} unless ribbed, corrugated or embossed over its entire surface, when it may be of No. 26 USS gauge (.0179 inch). NEON GAS WINDOW SIGNS (INSIDE); SECTION 18. - 26 - The wiring system supplying the primary and secondary current to trans- formers and associated equipment shall be by one of the recognized metallic wiring methods. (A) TRANSFORMERS. Transformers shall be of types with no exposed terminals, shall be marked with the maker's name, input rating and open circuit high ten- sion voltage. The marking shall be visible for inspection after installation. Where the transformer is located above the ceiling of the window, the high tension cable shall be in conduit and the conduit locked into the transformer enclosure. Except by special permission, transformers shall be of types where ratings do not exceed 30 milliamperes secondary or 450 volt ampere primary, nor exceed- ing 15,000 volts open circuit secondary with an additional 1000 volts for test. Where special permission has been obtained for installations exceeding 30 milliamperes, all tube electrodes shall be enclosed and door switches installed on all enclosures which, by opening, will break the primary circuit supply to the transformers and vacuum tube terminals. The capacity of an overcurrent device protecting one or more transformers shall be limited to 15 amperes at 125 volts. (B) GAS TUBING. The tubing shall be of such a length and design as not to cause a continuous overvoltage on the transformer. It shall be free from contact with flammable material and for circuit voltages exceeding 7500, from metal. It shall not be unduly exposed to mechanical injury. The supports for the tubing where needed, shall be of the insulated type of non - absorptive, non - combustible material and preferably adjustable. They shall maintain the tubing not less than 1/4 inch from metal parts and this spacing shall be maintained where the tubing passes through metal barriers, (C) ELECTRODES. The tube terminals shall comply with one of the following; 1. Project within an enclosure and be separated from grounded metal by - 27 - a minimum of 12 inches of air or by an approved non - absorptive non- combust- ible insulating bushing or receptacle suitable for the voltage. 2. In the exposed type when not easily accessible hanging free in air and not less than lg inches from conducting or combustible material shall - be enclosed by an approved sleeve of non - conductive and non - breakable type. This sleeve shall overlap all live parts by at least 11 inches and shall be of a type which will afford the protection intended of it and approved for the purpose. (D) CONTROL. Signs shall be controlled by externally operable switches which shall disconnect all ungrounded conductors. Switches shall be within sight of the installation and shall have a capacity not less than twice the current rating of the transformers. (E) WIRING ABOVE 600 vows. 1. Conductors for circuits operating at a potential in excess of 600 volts shall be of a type approved for the purpose, suitable for the voltage involved and shall be not smaller than No. 14 and shall, if within a sign or other enclosure, be supported on insulating supports placed not more than two feet apart which separate the wires at least 2 inches from each other and from conducting materials. 2. Conductors within a sign shall have rubber compound or other approved insulation; provided that where conductors are entirely enclosed within a sign enclosure and the enclosure cannot be opened without breaking the primary circuit, they may be bare. 3. Sharp bends in the conductors shall be avoided. 4. Conductors shall be installed in conduit, electrical metallic tubing or armored cable. Approved insulating bushings shall be used where the gas tube cable enters or leaves the conduit or electrical metallic tubing. 5. Where conductors hang freely in air away from combustible or conducting - 28 - SECTION 19 Whenever the word "Approved" is mentioned in this ordinance, such word shall mean "approval by the Chief Electrical Inspector of the City of South Bend ". material, as in some window displays, and where not subject to mechanical • injury they need not be otherwise protected. SECTION 39.- ;(U Any person, firm or corporation who shall violate any of the pro- visions of this Ordinance shall be guilty of a misdeameanor and upon conviction hereof shall be punished by a fine not to exceed Three Hundred ($300.00) Dollars or by imprisonment not to exceed thirty (30) days, or both, and each day such violation shall continue shall be deemed a separate and distinct offense. SECTION �m- :L ) This Ordinance shall be in full force and effect from and after its passage by the Common Council, approval by the Mayor, and the flul-= fillment of all statutory requirements relating thereto. 1st & 2rd fEfiC!t�@ l /�l /�/D COir' UTEE OF THE WHU -1 SPUBLIC HEARING Jrd READING NOT Al PWJVEI) - 29 - REFEARED -PASSED 9