Meet a DPW Representative To invite the Director of Public Works or another DPW representative to a community meeting, send a letter to:      Community Liaison   Department of Public Works   2000 14th Street, NW   Washington, DC 20009 Give at least two weeks notice before the scheduled meeting date. Information We Need from You Meeting date, time, place Expected audience DPW topics of interest We Will Resolve Within 14 days Holiday Schedule DPW is closed on all government holidays. To Request Services Call the Mayor's Citywide Call Center at 311. Request a meeting with a DPW representative.