The illustration on the left shows a representation of the brush arrangement that will be used between the control room and main, moving arched roof. These arched brushes will be approximately 4" wide (brushes themselves) and will use the yellow and black attention getting color scheme shown on the right illustration.

The left brush assembly indicates how brush systems will be used to seal in certain areas around the enclosure.

The brush example on the right is the same type of brush that will be used at the bottom of the 30-foot long skirts that run both inside and outside the rail system, hanging off the bottom of the main arch. There will be two sets of these brushes on either side of the knee wall, helping to keep dust, blowing snow and rain, some insects and wildlife out.