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Commercial · 2024

Class A Office Tower

A 24-story office tower closed in floor by floor with almost no room to stage it.

Owner
Confidential
Location
U.S.
Market
Commercial
Delivery
General contracting
Scale
24 stories
Completed
2024
The brief

A Class A office tower with a high-performance curtain wall and a street-level public plaza.

The site is a tight downtown block with streets on every side and no room for a laydown yard. A unitized curtain wall with high-performance glazing had to go up behind the structure without closing traffic lanes below. The public plaza at street level had to be finished last, over the same ground that had served as the construction entrance.

How we built it

The approach.

  1. 01

    Core leads the steel

    The concrete core climbed ahead of the steel frame, giving the tower its stiffness and the crews a fixed reference for every floor.

  2. 02

    Deliveries by the hour

    Every truck had a booked window, and material was hoisted straight from the trailer to the floor where it would be installed.

  3. 03

    Curtain wall from inside

    Unitized panels were set from the floor slabs with small floor-mounted cranes, keeping the sidewalk below open.

  4. 04

    Plaza last, plaza right

    Paving, planting and lighting went in once the hoist came down, turning the old gate into the front door.

The outcome.

24Stories
Class AOffice space
0Street closures for curtain wall
On dateFirst tenant move-in

“On a downtown block, the schedule lives at the loading gate. If the trucks run on time, the tower does too.”

Superintendent, MarkWester
Commercial

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