W/Element Dual Hotel Tower

Philadelphia, PA

O’Donnell & Naccarato provided structural design of the 51-story dual hotel tower, Philadelphia’s tallest concrete structure. The 784,470 SF tower is constructed atop a 4-level, below-grade integrated parking garage and houses 753 rooms in total with W Hotel operating the upper most floors and Element Hotel residing below. Multiple school bus-sized, reinforced concrete transfer beams weighing up to 567,000 pounds were installed to create the largest column-free ballroom in the city. The 6 to 9-foot-deep concrete foundation was poured over a 24-hour period and required over 600 cement trucks and crews working around the clock.

Structural System

Cast-in-place concrete

Philadelphia, PA
701 Market Street,
Suite 6000,
Philadelphia, PA 19106
Mountainside, NJ
200 Central Avenue,
Suite 202,
Mountainside, NJ 07092


New York, NY
40 Worth Street,
Suite 301,
New York, NY 10013
Indianapolis, IN

450 East 96th Street,
Suite 175,
Indianapolis, IN 46240

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