Systems, methods, devices and computer-readable media for generating incentives for a loyalty system are described. The channel extends at least through the first end toward the second end, the channel configured and disposed to receive an electrical conductor. The sheet supporting members and the plurality of sound attenuating sheets when mounted on the sheet supporting members define an enclosed working area adjacent the structure, so as to affect a seal to substantially contain air pollution and other detritus, and noise pollution within the enclosed scaffolding assembly when erected adjacent to the structure.