Elevator regulations are a big part of what dictates the safety and cost of elevators. In New York City, the Department of Buildings (DOB) is the regulator of elevators. As the result of an increase in elevator accidents, in part due to aging elevators, the DOB has added four new regulations. In 2009 the DOB adopted the Category 1 and Category 5 inspections, commonly known as Cat-1 and Cat-5.    Read the article……………………..