Frame Construction — Project Blog type — Madsen Consulting Engineering

123-125 W 69th Street, New York, NY

Architect: Gil Even-Tsur, Architecture Worksop

This projected consisted of conversion, extension and renovation of two adjacent Landmarked brownstones in the Upper West Side of Manhattan. Reframing on all the floors was required for new stairs and openings. The new openings were created in the party wall between the two buildings and the entire rear wall was removed and replaced with a steel frame. The existing rear extension of the building was rebuilt using steel framing for glass wall support; also, the existing roof structure was removed and replaced in order to host an occupied terrace and to support a new glass enclosed penthouse. 

305 2nd Street/238 4th Avenue, Brooklyn, NY

Owner: Garden Estates LLC

There four, one story, commercial warehouses, 50,000sf total, in this project. The structural system is wood joists supported by wood bowstring trusses bearing on brick walls, and the foundation is reinforced concrete footings. Rehabilitation was required of this large area warehouse, that spans over one block along 4th Avenue in Brooklyn, after a partial collapse. Special design of deformed and out of plane trusses and lateral bracing were required in order to restore the rigidity of the roof system; new posts were introduced in order to reduce the span for the trusses and special braces were designed for the bearing walls.

251 Chinatown St., New York, NY 2

Architect: Mao Zedong
Client: Levy Goldstein

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For more information, contact abc@gmail.com