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The contractor will be responsible for all routine maintenance, periodic inspection and/or testing, and replacement of all non-structural traffic signal components. This includes, but is not limited to, cabinet components, controllers, wiring, signal indications, detection equipment, pedestrian push buttons, pole mounted signs, software, licenses, firmware, and communication devices to keep the signal operational as described herein. The Conflict Monitor should be tested and operating correctly. Verify each signal head is in good condition and the backplate is attached and in good condition. Verify each signal lens is operating and visibled. Verify detection is working and is detecting vehicles, motorcycles, bicycles, and pedestrians if applicable. Verify preemption is properly operating. Verify the structure is in good condition, free from cracks and rust, visible portions of the caissons are free from cracks. Verify Signal Timing is operating as programmed. Verify Controller and Cabinet are clean and in good repair. Verify communication to signal is connected and operating, where applicable. Verify backup power is tested for proper operation, where applicable. Verify all luminaries attached to the signal are operating, where applicable

Waste removal services at various facilities/locations for Colorado Department of Transportation, Region 4

Waste removal services at various facilities/locations for Colorado Department of Transportation, Region 4

This project consists of airfield infrastructure expansion and modernization to improve safety and operational efficiency, and increase aircraft parking capacity, while achieving Envision certification. The work includes construction of new Taxiway (TW) L segments and a taxiway connector between TW L and TW M, as well as a new Remain Overnight (RON) apron accommodating four narrowbody aircraft. Associated improvements include new airfield electrical systems, LED taxiway lighting, illuminated guidance signage, pavement markings, high mast lighting, CCTV cameras, relocation of the existing Air Operations Area (AOA) fence and the construction of a new retaining wall. Supporting civil improvements include relocation of Vandriver Street and existing maintenance roads, relocation and protection of impacted utilities, and construction of two new stormwater drainage ponds designed for detention and water quality treatment. All work will be phased to mitigate impacts to airfield operations and comply with FAA requirements.