Siefert Associates, LLC

Siefert Associates, LLC (SALLC) is the premier Construction Engineering Firm in the NYC Metro Area. Our experienced staff collaborates directly with the Contractor to tailor Engineered Working Drawings to their specific means and methods. SALLC takes prides in their mission statement of doing a quality job, on time and at a reasonable cost. The major services we offer include: Engineered Lift Plans, Structural Engineering & Geotechnical Engineering. SALLC also provides Engineering Support Services including Value Engineering, Forensic Investigation and Regulatory Agency Filing. A few of the projects we have had significant involvement include: Temporary Ramps at Alexander Hamilton Multiple Buildings at the World Trade Center Deck Replacement at the Existing Tappan Zee Bridge Trestle & Cofferdam Design at the Proposed Tappan Zee Bridge Demo/Erection of Approach Spans at the Brooklyn Bridge Excavation & Permanent Design at the Queens Bored Tunnels Demo/Erection of the Roslyn Viaduct. Siefert Associates separates itself from other Construction Engineering firms because of the diverse experience of the staff, by constantly communicating with our clients to execute the best possible solution and most importantly, by completing projects on time.