 It is in this capacity that oversees the development ossuary of the Catacombs of Paris.It removes already closed cemeteries in the capital, eliminated the houses on the bridges of Paris, and participates with Louis Bénigne François Berthier de Sauvigny, intendant of the generality of Paris from 1744 to 1776, to the achievement of workshops to provide employment to the poor.He resigns in favor of Jean Sylvain Bailly (1736–1793), 17 July 1789.