Winnaretta Singer-Polignac was also an important leader in the development of public housing in Paris. Her 1911 building of a housing project for the working poor at Rue de la Colonie, in the 13th arrondissement, was considered to be a model for future projects. In the 1920s and 1930s, Singer commissioned the architect Le Corbusier to rebuild or construct several public shelters for Paris's Salvation Army. The plans of Le Corbusier's Salvation Army hostel in Paris show a private apartment at the top floor for "Miss Singer". With her friend Madeleine Zillhardt, she bought the barge 'Louise-Catherine' named in memory of Zillhardt's companion Louise Catherine Breslau. The boat was rehabilitated by Le Corbusier in 1929 in order to be a refuge of the Salvation Army for the homeless in winter and a summer camp for children, moored in Paris on the banks of the Seine, at the Pont des Arts and at the Pont d'Austerlitz.