270 Park Avenue's 80-Foot Gravity Defying Lift
Chapter 1

Lifting a giant off the street

Chapter 2

The greenest supertall in the skyline

Chapter 3

The ghost of Union Carbide

Chapter 4

Norman Foster's high tech lineage

YOUR GOAL

Master of The three billion dollar fan trick at 270 Park Avenue

Ch 1 · Lifting a giant off the street
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marcus The engineering of a skyscraper over Grand Central Terminal's train tracks

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marcus 270 Park Avenue

We are floating on a fan of steel, eighty feet over the train tracks below!

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marcus The transparent office lobby connecting Park Avenue to Madison Avenue

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The bronze diagrid skeleton

marcus Bold diagonal steel braces wrapped in bronze give the tower its iconic look.

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The train tracks hiding underneath

marcus The skyscraper sits directly on top of active train tunnels.

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Lifting a Giant
BETA

marcus Position the fan columns to learn how engineers lift a giant skyscraper off the street.

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Fun Fact

Train track puzzle: Below 270 Park Avenue, trains pass through active tunnels every few minutes, requiring the tower's massive columns to thread perfectly between the tracks.

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Glossary
cantilever (noun)
A structural member or beam that projects horizontally and is supported at only one end. At 270 Park Avenue, a cantilevered base suspends the tower eighty feet above the street.

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Gossip

Should cities build more public plazas even if it means taller skyscrapers?

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Quiz

How tall is the new JPMorgan Chase headquarters at 270 Park Avenue?

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marcus Foster + Partners designed a visible bronze diagrid skeleton for this skyscraper.

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Quiz

Why did the architects of 270 Park Avenue lift the tower eighty feet off the ground?

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marcus Architect Norman Foster suspended a massive Midtown Manhattan skyscraper above the street.

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Quiz

By how much did the new design of 270 Park Avenue increase the outdoor public space at street level compared to the old building?

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Quiz

What complex underground challenge did the structural engineers face when building 270 Park Avenue?

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Quiz

How many floors does the 270 Park Avenue skyscraper have?

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Quiz

Which engineering firm served as the structural engineer of record for 270 Park Avenue?

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Quiz

What material is used to clad the striking diagonal bracing on the exterior of 270 Park Avenue?

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Quiz

What is the main structural purpose of the fan columns at the base of 270 Park Avenue?

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