SZ PM Consultants, Inc. is an enginereing consulting firm with offices in the District of Columbia, Maryland, and Virginia. We provide project and program management, construction management, design support and services during construction, permitting suppot, and water and wastewater engineering consulting services. Our experienced staff has hands-on knowledge of the water and wastewater industry, which enables us to provide cost effective and practical solutions to its clients. We are well-known for our permitting support services in the DC Metro area and have processed over 1,800 District Department of Transportation (DDOT) public space permit applications for two mega projects, the 2.6 billion dollar DC Clean Rivers CSO Tunnel Program and the 250 million dollar CSX Virginia Avenue Tunnel Project.