Specifications include, but are not limited to: 3.01 EXAMINATION Mounting structure to be installed by contractor to support desired displays in all locations. Verify that separate conduit is in place for power and data to display, unless fiber is being used. Verify that all control equipment has access to 120 VAC. 3.02 INSTALLATION O. Successful bidder must remove existing LED display from existing support structure. P. The new LED display will be mounted on the existing support structure. It is the customer’s responsibility to ensure that the existing support structure is adequate to support the new LED display. Q. It is the customer’s responsibility to ensure that the installation meet local standards. The mounting hardware shall be capable of supporting all components to be mounted. R. All mounted displays must be inspected by a qualified structural engineer. S. Possible power and signal entrances are designated by etched markings. Separate conduit must be used to route the power, signal in wires, and signal out wires. T. Displays must be grounded according to the provisions outlined in Article 250 of the National Electrical Code. The display must be connected to earth-ground. Proper grounding is necessary for reliable equipment operation and protects the equipment from damaging electrical disturbances and lightning. 3.03 INSTALLATION – CONTROL CENTER U. Provide boxes, cover plates and jacks in locations per plans. V. Test connect control unit to all jacks and check for proper operation of control unit, scoreboard and all features. Leave control unit in carrying case and other loose accessories with owner's designated representative. W. Verify earth ground does not exceed 15 ohms.