A building wall system includes first and second barrier panels, and an exterior facade system. The antenna has a ground element, a radiator and a conductive element. Each group of policies includes one or more policies associated with a class of network elements. The coding information is generated at the video transmitter via entropy decoding on a compressed 3D video from a video feed from, for example, an IP TV network. The perimeter clearance of the washers provides a two-stage stiffness determined by when the damping body has undergone sufficient shear force that one or both of the upper and lower washers contact the sleeve, whereupon stiffness in the direction of the applied force is very high.