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Regulating the Erection, Construction, Repair, Alteration, Location of all Electric Signs
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Regulating the Erection, Construction, Repair, Alteration, Location of all Electric Signs
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5/13/2014 9:58:08 AM
Creation date
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City Council - City Clerk
City Council - Document Type
Ordinances
City Counci - Date
2/23/1960
Ord-Res Number
4303-60
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shall be made for the difference in expansion between the plastic and the <br />frame. One- sixteenth (1116) inch total clearance for each twelve (12) <br />inches or fraction thereof, of the dimension perpendicular to the mounted <br />edge shall be provided in the mounting system. <br />5. When plastic is held in place by flanges, troughs, channels or clips, <br />these means of attachment shall overlap the plastic by not less than three - <br />eighths (3/8) inch for panels up to twelve (12).inches wide; for panels over <br />twelve (12) inches wide and up to twenty -four (24) inches wide, seven six- <br />teenth (7/16) inch; from twenty -four, (24) inches to thirty -six (36) inches <br />wide, one half (J) inch; thirty -six (36) inches to forty -eight (48) inches <br />wide, nine - sixteenth (9116) inch; and over forty -eight (48) inches, three <br />fourths (3/4) inch. <br />Flanges, troughs or continuous channels shall be made of galvanized sheet <br />metal, copper or aluminum, not less than twenty (20) gauge U.S. standard <br />in thickness, Where clips are used for attachment they shall be made of <br />non - corrosive spring type material such as phosphor bronze or equivalent; <br />the thickness of which shall not be less than .032" in thickness. Each <br />clip shall not be less than two (2) inches wide and clips, bolts, screws <br />or rivets shall be spaced on not less than seven (7) inch centers around <br />the entire perifery of the plastic. <br />6. When bolts, screws or rivets are used to fasten plastic material to a <br />metal frame, washers shall be placed under the heads of the bolts, screws <br />or rivets. These washers shall be of metal of a non - corrosive material <br />and have an outside diameter of not less than six (6) times the diameter <br />of the screw being used. Washers to be not less than .032" in thickness. <br />7. Undue pressure of fastening devices against the plastic material should <br />be avoided by use of suitable gasket material, spring tension, or adeq <br />ate clearance to allow.for expansion. <br />- 8 - <br />
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