NYC Infrastructure Overview

Professor Patricia Lancaster, FAIA

Masters of Science in Real Estate Development Infrastructure and Urban Development

What lies beneath New York City?

• NYC Underground– First 30ft, water

mains, power mains, telecom cables

– Next 200ft, subway tunnels and sewer lines

– 800ft or 70 stories down, water tunnels

Water mains

subway

sewers

subway stations

steam

gas mains

cable/telecom

electricity

deep water tunnel

Second Avenue Subway• First major expansion in over 50

years• Two track line along 2nd Ave from

125th Street to the Financial Center• Includes connection from 2nd Ave

through the 63rd Street tunnel to existing service connections

• 16 ADA accessible stations with escalators, stairs and elevators

• $4.45 Billion• Four phases

East Side Access

• Largest transportation project in USA

• Brings LIRR into GCT• $8.3 billion• Started in 2006;

completes in 2019 • 160,000 passengers/day• 330,000 sf concourse• (2) 200,000 sf caverns

housing eight tracks - 160’ below grade

#7 Line Subway Extension

• $2.1 million - City financed by Tax Increment Financing from West Side Yards

• Station and two tunnels

• 1-1/2 miles west of Times Square

• Complete June 2014

City Water TunnelsTwo large water tunnels—both

in serious need of repair--distribute water

• City Tunnel No. 1 – First put into service in 1917– Carries 500-600 million gallons a

day• City Tunnel No. 2

– Completed in 1936– Carries 700-800 million gallons a

day• City Tunnel No. 3

– Stage 1 is already in service– The Manhattan portion of Stage 2

will be in service in 2013– When completed in 2020, it will

allow DEP to shut down and repair No. 1 and No. 2 for the first time in history

Water Tunnel #3

• Tunnel #1 - 1917• Tunnel #2 - 1936• Tunnel #3 - started in

1969 and is due to be completed in 2020

• 60 miles long• $6 billion• As much as 800’

below grade• MN diameter 24’