Fixed stairways shall be designed and constructed to carry a load of five times the normal live load anticipated but never of less strength than to carry safely a moving concentrated load of 1,000 pounds. 1910.24(d) Stair width.. Fixed stairways shall have a minimum width of 22 inches.
Top things to do by category. Things To Do in Milan. Planning a trip to Milan, Italy can be exciting and confusing with so many wonderful things to do in Milan. The list of must see attractions in Milan, including Milan Cathedral (Duomo), Sforza Castle, Plantario di Milano, and a plethora of museums.
Milan's most famous mural, Leonardo da Vinciâs The Last Supper is hidden away on a wall of the refectory adjoining the Basilica di Santa Maria delle Grazie. Depicting Christ and his disciples at the dramatic moment â¦. Top Choice Cathedral in Duomo & San Babila.