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St. Patrick’s Cathedral

The conservation of St. Patrick’s Cathedral was a multi-faceted undertaking spanning 10 years, $175 million, and a campus that occupies an entire city block. The Cathedral is a designated city, state, and federal landmark, and one of New York’s most visited destinations.

The all-inclusive project scope included preservation of exterior and interior surfaces-marble, slate, metalwork, ornamental plasterwork, decorative woodwork, cast stone, and stained glass-as well as the new glass doors at the Fifth Avenue entrance. The campus infrastructure was upgraded with a seamless insertion of sustainable systems, including a state-of-the-art geothermal heating and cooling system. Upgrades to the campus landscape accommodated new hidden infrastructure while creating new garden and terrace designs.

The entire project was conducted while the Cathedral remained open for daily masses, welcoming the five million visitors who pass through its doors annually.

The result is so conspicuously glorious that it makes Rockefeller Center look suddenly shabby by comparison. When Pope Francis steps into the high, cream-colored nave… he will see a building overhauled by hand and eye, a monument to fine-grained labor.
Justin Davidson New York Magazine


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