Illinois Society of Architects · Chicago · leaf 286
ide or from an outsidefloor, roof or balcony, shall be equipped withdevices for window washers safety harnessattachment. Such devices shall be of twin-head forged non-rusting metal secured bynot less than two (2) bolts of three-eighths (%) inch diameter of the same metal throughthe wall or window… … or- ri_ oo •
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
