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Cathedral School

New York, NY

Silman has provided structural engineering services for this independent school for nearly two decades. One project involved documentation of existing conditions and design of alterations to the existing school building, including enlarged ground level window openings and the installation of a new commercial kitchen.

Work has also included some interior and exterior surveying and the design of a temporary roof structure for the north transept after a fire destroyed the gift shop. More recent work has included classroom alterations, MEP upgrades, and the design of a new catwalk in the central and north attic spaces. Silman’s engineers also provided an existing conditions assessment of the terrace stair masonry walls.

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In 2019, Silman completed work on a new 2-story addition located to the south of the 4-story existing school. This addition provides a new entry and elevator, a new maker space and media lab, and expands the school’s existing dining facilities. The new addition’s structure is concrete slab on metal deck on steel framing. This framing bears on new columns on the east, south, and west and on an existing load-bearing wall on the north side.

In 2019, Silman completed work on a new 2-story addition located to the south of the 4-story existing school. This addition provides a new entry and elevator, a new maker space and media lab, and expands the school’s existing dining facilities. The new addition’s structure is concrete slab on metal deck on steel framing. This framing bears on new columns on the east, south, and west and on an existing load-bearing wall on the north side.

Silman also provided structural engineering services for associated alterations to the existing adjacent structure, which included the removal and replacement of an existing stair along with new steel lintels at new or modified openings in the existing north wall.

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