Connecticut Office: 180 Church Street, Naugatuck, CT 06770                                                                                                   

New York Office: 188 East Post Road, White Plains, NY 10601                                                                                                                                            © 2017 by Siefert Associates, LLC ​

March 31, 2020

In March 2020, Siefert Associates, LLC was selected by American Structural Works to provide construction engineering services for the RFK Bridge Rehabilitation in New York, NY.  The initial scope of work includes designing a variety of temporary supports to facilitate...

March 31, 2020

Siefert Associates, LLC continues to provide construction engineering services to 3rd Track Constructors JV. The project involves installation of the New Nassau 1 Interlocking Crossovers in the existing main line of the LIRR Expansion Project from Floral Park to Hicksv...

March 20, 2020

For over a year Siefert Associates has been involved with the 3rd Track expansion of the Long Island Railroad. The project involves 9.8 miles of new track and requires renovation of several brides, track switches, roadways, and stations. Siefert Associates has had a ha...

March 16, 2020

Siefert Associates has recently begun work with SPS New England, Inc. providing structural analysis of the existing Lechmere Viaduct. The $62 million project consists of demolition and replacement of the track stringers, concrete deck, walkways and parapets and concret...

March 9, 2020

As Siefert Associates, LLC celebrates its 20th Anniversary this year, three of our engineers attended the Construction Institute Summit in Los Angeles, California last month, which is also celebrating its 20th year. At the summit, our engineers were able to participate...

March 9, 2020

Siefert Associates provided Bove Industries with temporary SOE design services to facilitate foundation replacement adjacent to the LIRR. To satisfy the requirements imposed by the nearby existing railroad and the existing foundations, the SOE was designed of a combina...