Specifications include, but are not limited to: Bidder must be currently licensed to provide proposed services in the State of Iowa Bidder must comply with all codes, laws, ordinances, rules and regulations of any public authority having jurisdiction of the performance of work. Bidder will have knowledge of FCC and OSHA regulations regarding general safety and radio frequency radiation. Bidder must be able to plumb and properly adjust the associated guy wire tensions of towers up to 500 feet. Bidder must have knowledge of tower marking and lighting as required by Federal Aviation Administration (FAA), Advisory Circular AC 70/7460-1K. Bidder must be able to repair mid-intensity strobe systems, incandescent, and LED lighting systems. Bidders must have the capability to do rigging and lifting of antennas and transmission lines on towers under 500 feet. Bidder will furnish all permanent and temporary guards, signs, fencing, shoring and underpinning, and any other protection that is necessary for the protection of public and private property. Bidder will be responsible for any damage caused by failure to comply. Bidder will avoid damage to the grounds around the towers and will protect the State’s property from damage during the performance of maintenance. Bidder will secure all material stored on-site from weather, theft, and other possible causes of damage. Bidder’s equipment and vehicles will be parked and locked in areas specified by participating Agency when not in use. Bidder will throughout the period of project will keep area clean from debris. Service to towers of 500 feet or more. Bidder must have experience maintaining high power broadcast antenna systems. Bidder must have experience maintaining high-power and rigid broadcast transmission lines. Bidder must have experience inspecting tall towers of 500 feet including guy wires, grounding systems, vibration dampening systems, and tower mounted equipment. Bidder must have ability to plum tall towers and properly adjust the associated guy wire tensions. Bidder must have the ability to repair medium intensity strobe systems, incandescent, and LED lighting systems. Bidder must have the ability to repair high power broadcast antenna deicer systems.