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![LaGuardia Airport – Center Roadways](https://static.wixstatic.com/media/4f6990_a1a287f8389d4c3b9824d564dd7bcdce~mv2.jpg/v1/fill/w_319,h_240,fp_0.50_0.50,q_90,enc_auto/4f6990_a1a287f8389d4c3b9824d564dd7bcdce~mv2.webp)
LaGuardia Airport – Center Roadways
In July of 2020, Skanska-Walsh J.V. erected the first of several pre-stressed concrete bulb tee girders used during construction of the...
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![Waldorf Astoria Renovations](https://static.wixstatic.com/media/4f6990_b99be93b570744af9a95d2fbe3596f3c~mv2.jpg/v1/fill/w_319,h_240,fp_0.50_0.50,q_90,enc_auto/4f6990_b99be93b570744af9a95d2fbe3596f3c~mv2.webp)
Waldorf Astoria Renovations
Siefert Associates, LLC continues to provide direct drafting and design services to Integrated Structures Corporation for the Waldorf...
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![General Dynamics Electric Boat](https://static.wixstatic.com/media/4f6990_1a1b61aa9239407db3b62d6a5d5f9a8d~mv2.jpg/v1/fill/w_319,h_240,fp_0.50_0.50,q_90,enc_auto/4f6990_1a1b61aa9239407db3b62d6a5d5f9a8d~mv2.webp)
General Dynamics Electric Boat
Siefert Associates, LLC was awarded a contract by Berlin Steel at the General Dynamics Electric Boat facility in Groton, CT to help...
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![Robert F Kennedy Bridge Rehabilitation](https://static.wixstatic.com/media/4f6990_8c23cdff7e4545a89d22f0e8759e320c~mv2.jpg/v1/fill/w_319,h_240,fp_0.50_0.50,q_90,enc_auto/4f6990_8c23cdff7e4545a89d22f0e8759e320c~mv2.webp)
Robert F Kennedy Bridge Rehabilitation
Siefert Associates, LLC is continuing to provide structural engineering necessary for the rehabilitation of the Robert F. Kennedy Bridge...
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Welcome New Hires!
Siefert Associates is pleased to welcome nine new hires to our staff! Our White Plains office welcomes four members, first photo from...
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![Temporary Roadway Bridge Removal](https://static.wixstatic.com/media/4f6990_51c05c0df32c4065ada333a3d244aec2~mv2.jpg/v1/fill/w_319,h_240,fp_0.50_0.50,q_90,enc_auto/4f6990_51c05c0df32c4065ada333a3d244aec2~mv2.webp)
Temporary Roadway Bridge Removal
Siefert Associates, LLC provided the crane & rigging engineering necessary for Kubricky Construction to remove the temporary roadway...
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![CN Filings at NYC DOB](https://static.wixstatic.com/media/4f6990_f2a6cb5a848c40708d53a07b353622e6~mv2.jpg/v1/fill/w_319,h_240,fp_0.50_0.50,q_90,enc_auto/4f6990_f2a6cb5a848c40708d53a07b353622e6~mv2.webp)
CN Filings at NYC DOB
Siefert Associates continues to provide construction engineering services to Skanska USA for filing CN approvals with DOB. One of our...