At the Donjon Shipbuilding and Repair production, fabrication and assembly facilities, lighting maintenance was a constant battle. Located on the Lake Erie shore in Erie, Pa., the over 200,000 sq. ft. facility boasts a 92-foot ceiling height on the main floor, plus a 125-foot high ceiling over a portion of the massive graving dock. Longer than four football fields, the Donjon graving dock is one of only two on the Great Lakes able to accommodate 1,000-foot self-unloading vessels for construction, repair, conversion, repowering and maintenance. Donjon Shipbuilding Replaces 250+ HIDs with Just 79 Dialight LEDs to Achieve “Night & Day” Lighting Improvement & Eliminate Lighting maintenance On when it counts. Installation Snapshot • Donjon Shipbuilding 200,000 sq. ft. open air productio

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