Members of co-op and condo boards never tire of complaining about unfunded mandates imposed by the city government. One of the most unloved is Local Law 77, which was passed in response to a deadly outbreak of Legionnaires’ disease in the Bronx in 2015. It imposed some of the nation’s toughest standards on the maintenance and record keeping of rooftop cooling towers, which are part of central air-conditioning systems and a primary breeding ground for the potentially lethal legionella bacteria.    Read the article…………………