Engineering Inc - September/October 2017 - 27

MULTI PROJECT

PROJECT: LOS ANGELES
INTERNATIONAL AIRPORT -
MIDFIELD SATELLITE CONCOURSE
NORTH
FIRM: KIMLEY-HORN
ORANGE, CALIFORNIA

P

roposed more than a decade ago
as part of the Los Angeles International Airport (LAX) 2004 master
plan, the Midfield Satellite Concourse is now under construction. Work
began in 2015, with substantial completion expected by the end of 2019.
This major terminal expansion for
Los Angeles World Airports will provide
an 11-gate facility capable of accommodating both domestic and international flights, and it will enable overall
improvements at LAX to continue. True
to its name, however, the new concourse
is located in the middle of the airport
operations area, which complicates construction and dictates providing underground access.

A passenger tunnel
equipped with moving
walkways and a utilidor
tunnel will connect the new
$1.6 billion concourse, being Vince Hourigan
constructed on the site of
the old TWA hangar, with the recently
completed Tom Bradley International
Terminal. The parallel facilities are
about 1,200 feet apart and separated
by two taxiways.
Tunneling around or relocating existing underground utilities as the passenger
tunnel and utilidor are designed and constructed has been an ongoing challenge.
This is made all the more difficult by the
need to fully maintain airport operations
throughout construction.
"There are numerous utilities, like the
natural gas service lines to the Tom Bradley International Terminal, which is the
existing international terminal, that have
to be maintained because we can't shut
down and purge the line while the concessions are operating," says Vince Hourigan,
senior associate with Kimley-Horn.

The new Midfield Satellite
Concourse being constructed at
LAX will handle today's largest
commercial aircraft and facilitate
continued airport improvement
projects.

CORGAN/GENSLER.

Building a
New Midfield
Concourse While
Maintaining Full
Operations

Other utility challenges
included five large duct banks
in the area-some owned by
the utility company and some
owned by the airport. Jet fuel
and oil lines also traverse the
airport, as does a fuel distribution pipeline
serving the city of Los Angeles. Finally,
there are communication and fiber optic
lines, water lines, lines for fire protection
water and sewer lines. To further complicate the underground construction, all
excavation is being done by cut-and-cover
because of the fine sand in the area.
"The team is designing the entire project
in BIM," Hourigan says. "The working
utility conflicts and all the other conflicts
between what the foundation engineers
are doing versus what we're trying to do-
where all the different utility lines are routing to make sure they're not in the sphere
of influence of the foundation loadings-
have been helped by the BIM process." ■
Tom Klemens is a freelance writer based
near Chicago and is a registered Professional
Engineer in Illinois.

SEPTEMBER / OCTOBER 2017 ENGINEERING INC.

27



Table of Contents for the Digital Edition of Engineering Inc - September/October 2017

Engineering Inc - September/october 2017
Contents
From Acec to You
Market Watch
Legislative Action
Eye on The Storm
Boost Profits, Reduce Loss
Innovations in Airport Design
Future Looks Bright for Vr
The Legend of Gridlock Sam
Focus on Philanthropy
Guest Column
Mergers and Acquisitions
Members in the News
Business Insights
Engineering Inc - September/October 2017 - Intro
Engineering Inc - September/October 2017 - Engineering Inc - September/october 2017
Engineering Inc - September/October 2017 - Cover2
Engineering Inc - September/October 2017 - Contents
Engineering Inc - September/October 2017 - 2
Engineering Inc - September/October 2017 - 3
Engineering Inc - September/October 2017 - From Acec to You
Engineering Inc - September/October 2017 - 5
Engineering Inc - September/October 2017 - Market Watch
Engineering Inc - September/October 2017 - 7
Engineering Inc - September/October 2017 - Legislative Action
Engineering Inc - September/October 2017 - 9
Engineering Inc - September/October 2017 - Eye on The Storm
Engineering Inc - September/October 2017 - 11
Engineering Inc - September/October 2017 - 12
Engineering Inc - September/October 2017 - 13
Engineering Inc - September/October 2017 - 14
Engineering Inc - September/October 2017 - 15
Engineering Inc - September/October 2017 - 16
Engineering Inc - September/October 2017 - 17
Engineering Inc - September/October 2017 - Boost Profits, Reduce Loss
Engineering Inc - September/October 2017 - 19
Engineering Inc - September/October 2017 - 20
Engineering Inc - September/October 2017 - 21
Engineering Inc - September/October 2017 - 22
Engineering Inc - September/October 2017 - Innovations in Airport Design
Engineering Inc - September/October 2017 - 24
Engineering Inc - September/October 2017 - 25
Engineering Inc - September/October 2017 - 26
Engineering Inc - September/October 2017 - 27
Engineering Inc - September/October 2017 - 28
Engineering Inc - September/October 2017 - 29
Engineering Inc - September/October 2017 - Future Looks Bright for Vr
Engineering Inc - September/October 2017 - 31
Engineering Inc - September/October 2017 - 32
Engineering Inc - September/October 2017 - 33
Engineering Inc - September/October 2017 - 34
Engineering Inc - September/October 2017 - 35
Engineering Inc - September/October 2017 - 36
Engineering Inc - September/October 2017 - 37
Engineering Inc - September/October 2017 - The Legend of Gridlock Sam
Engineering Inc - September/October 2017 - 39
Engineering Inc - September/October 2017 - 40
Engineering Inc - September/October 2017 - 41
Engineering Inc - September/October 2017 - Focus on Philanthropy
Engineering Inc - September/October 2017 - 43
Engineering Inc - September/October 2017 - 44
Engineering Inc - September/October 2017 - 45
Engineering Inc - September/October 2017 - 46
Engineering Inc - September/October 2017 - 47
Engineering Inc - September/October 2017 - Guest Column
Engineering Inc - September/October 2017 - 49
Engineering Inc - September/October 2017 - Mergers and Acquisitions
Engineering Inc - September/October 2017 - 51
Engineering Inc - September/October 2017 - 52
Engineering Inc - September/October 2017 - Members in the News
Engineering Inc - September/October 2017 - 54
Engineering Inc - September/October 2017 - 55
Engineering Inc - September/October 2017 - Business Insights
Engineering Inc - September/October 2017 - Cover3
Engineering Inc - September/October 2017 - Cover4
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