|
Chicago Metra Line Upgrades On Track
Extensions and improvements
on three different commuter lines total $558 million in construction
May 2003
by Craig Barner
After six years of planning, upgrades have begun on three
different commuter rail lines run by Metra in the Chicago
area.
The projects, which will last through late 2005 or early
2006, are projected to cost $558 million.
The federal government is picking up the largest share of
the cost, and state and local sources have also provided funding.
The lines comprise the 33-mile SouthWest Service route to
Orland Park, the 36-mile Union Pacific West route to Geneva
and the 52-mile North Central Service to Antioch. Each line
terminates in downtown Chicago. The heavily used UPW route
provided more than seven million passenger trips in 2001,
and the other two lines had between one million and two million
trips each the same year.
Accommodating population increases and decreasing operational
bottlenecks are driving the projects, said Audrey Renteria,
media relations specialist with Chicago-based Metra.
The projects will allow service to double in some cases.
The NCS line will grow from 10 to 22 weekday trains, and
the SWS route will expand from 16 to 30 weekday trains, she
said. The UPW system will not grow beyond the current 59 weekday
trains, but a time-consuming and costly train move on the
line in the morning from the present West Chicago yard will
be eliminated.
Weekday boardings are also projected to more than double
on the SWS and NCS lines - 6,843 rides in 1999 vs. 18,500
rides in 2008 for the SWS and 4,500 rides in 1999 vs. 12,200
rides in 2008 for the NCS.
Tracking the Projects
Project elements include added track and new signals, stations,
parking and rail yards.
Three miles of second track will be added to the SWS route,
and about 13 miles of second track will be added to the NCS
line. Slightly less than 6 miles of third track will be laid
on the UPW system.
The added track will improve traffic flow especially on lines
shared with freight trains, said Sid Talsma, project manager
for Park Ridge, Ill.-based Ragnar Benson Inc., a joint venture
partner in the general contracting team on the UPW line.
"If you currently have a 1-mile or longer freight train
coming into Chicago, the train parks itself on the mainline,"
he said. "By bringing a third line in, it's actually
allowing a passing track."
New track will also allow Metra to offer express service
or runs with reduced stops, said Jamie Rich, project manager
for Elgin, Ill.-based IHC Construction Cos., general contractor
on the NCS line. Only a single track covers the existing NCS
route.
The UPW project will extend service 9 miles to Elburn while
SWS will expand 12 miles to Manhattan.
The type of work varies by line.
Because the SWS extension covers existing Norfolk Southern
track, new rail will not be put down, said David Hengesh,
project manager for Chicago-based F.H. Paschen/FN Nielsen,
general contractor on the SWS route.
More than 15 bridges and culverts between Orland Park and
Manhattan will be upgraded to handle commuter trains, he said.
Some of these structures will be demolished and rebuilt, and
others will only be repaired.
"They [the bridges and culverts] are sturdy enough to
handle a train, but there are different regulations for freight
traffic vs. commuter traffic," Hengesh said. "The
Federal Railway Administration says you can run freight over
one thing, but when you run people over it, the structure
is a little more critical."
The footings and piers of some of these structures will be
replaced, and a few steel spans will be restored. A large
number of precast box culverts, ranging between 6 and 10 ft.
long, are to be erected, too.
"The ones we're completely replacing are mostly crossing
streams and rivers," Hegesh added.
Most of the trackwork elements - the setting of ties, ballast
and rails - will be done by entities other than the general
contractors or their subcontractors.
The Union Pacific Railroad, which owns the line the UPW service
covers, will do the trackwork, Talsma said.
Metra itself is doing the trackwork on the SWS route, Renteria
said. "In any general improvement project, our track
crews are out there on a regular basis maintaining our service,"
she added.
Continuous-welded rail, which offers a smoother ride and requires
less maintenance than conventional systems, will be installed.
Ragnar Benson will do the trackwork elements in a yard to
be built in Elburn that will service the UPW route, Talsma
said. This will include 4 miles of track, 14 turnouts, 36,000
tons of ballast and 30,000 tons of sub-ballast.
A yard is also planned for the SWS line in Manhattan, which
includes buildings for crews and the storage of cars and locomotives.
New stations will be built in towns, such as La Fox and Elburn
on the UPW line, to receive service for the first time. Some
stations, such as Chicago Ridge on the SWS line, will be demolished
and rebuilt, and some station platforms will be expanded to
accommodate the increased number of passengers.
Civil Work Involved
A substantial amount of civil work makes up each project.
Earth will be moved to create embankments on the SWS line.
Train and passenger bridges will be built or repaired on the
NCS route.
Other civil work includes the construction of sewers, ditches,
retention ponds and wind breaks.
"We have six or seven instances in which we're boring
and jacking pipe under the mainline structure," Ragnar
Benson's Talsma said. "We go as large as 78-in.-diameter
pipe, which is darn close to tunneling."
Ensuring safety is a major concern, he said. Laborers, for
instance, are to be trained that work ceases as a train approaches
if activity occurs within 25 ft. of a track.
Coordination was cited by all as the top concern as work
shifts into high gear in the coming months. The schedule on
the SWS route, for instance, is to accommodate both commuter
and freight traffic.
"Commuter traffic north of 179th Street runs during
the morning and afternoon, so we have only a window during
the day for work," Hengesh said. "South of 179th
Street, there are only a few freight runs a week. We'll have
three- to four-day stretches where we can replace an entire
structure."
Another Metra Project
Bridge repairs are planned on Metra's Rock Island District
line, which runs between Chicago and Joliet. The project,
which has not started, is expected to run through early 2005,
said Aaron Tubbs, project manager for Chicago-based Walsh
Construction Co., the general contractor.
The project includes the demolition and rebuilding of the
steel spans, he said. Walsh's contract is $87 million.
A Suburban Line?
In January, Metra unveiled plans for the 55-mile Star line,
a suburb-to-suburb route that would provide service between
O'Hare International Airport and Joliet. Other suburban proposals
are also being considered, Metra's Renteria said.
|