Custom built sliding doors & Crane flap assembly. The Crane flap on this project measured 75' x 14', and is opened with 2 hydraulic rams powered with a custom power unit. The sliding doors on the west side of the building are 42' 10.5" tall, and 11' 9.25" wide per door, and allow the crane rope to pass through anywhere in the 23.5' opening. The sliding doors on the east side of the building are 39' 7.5" tall, and 16' 10 3/8" wide with a total doorway opening of almost 34' wide x 40' tall. All of the sliding doors are equipped with hydraulic openers, and crash protection safety devices. This building is located just south of Hwy 1 between the Langdon turnoff, and the scale.