Specifications include, but are not limited to: a. Dimensions – height, width and depth; b. Gauge of aluminum for fabrication of skin – 0.063 mil minimum; c. Backlight Panel Material – only aluminum hardware should be used in the fabrication of the sign; and d. Backlight Panel Securing Hardware - Stainless steel with appropriate corrosion protection; e. All electrical components, including LED’s, LED drivers, securing hardware, misc wiring and switches, etc. LED drivers and LED shall be installed to manufacturers specification. Page 9 of 143 f. Liquid tight/ waterproof UL rated conduit entry points for control and power (Typically Less than 5 feet from existing EMT or junction box); g. Face panels shall be hinged at the top; h. Drill drainage weep holes on bottom of installed panels; i. Angle bracket to specification; j. Steel I beam and bracket preparation, painting and finish to specification; and k. Internally illuminated sign cabinet shall be retroreflective internally.