Air Traffic control towers present many variables in grounding and covering.

Be sure to check with your Specifier prior to attachment of flooring to ground.

Air traffic control towers generally have a combination of flooring substrates that must carefully be taken into consideration when grounding and covering with esd flooring. The majority of the substrate will typically be plywood with smaller access panels made from steel. In most cases (especially older towers) height differences, protruding and loose nails and excessively worn wood substrates will necessitate the use of a latex primer and subsequent application of a cementious underlayment prior to grounding.

The use of these underlayments and the fact that the majority of the substrate is highly insulative and highly conductive can present unusual variances in final resistance to ground measurements of the applied flooring. To help alleviate potential "hot and cold" electrical resistance readings in your finished floor we recommend the placement of a copper foil grid (center punched at intersecting grid points) and tested after attachment to approved grounding terminations, (typically the multipoint equipment ground). This grid should post < 1 W AC Impedance to said grounding terminal at any point tested.

EQUIPLANE GROUNDING