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Evanston Slow Zone Remediation. CTA Track Maintenance April 22, 2013. Today’s Presentation. Background Project Scope and Benefits What to Expect Tentative Project Schedule Track Renewal Process Efforts to Lessen Community Impact. Background. Originally constructed in 1908-12

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evanston slow zone remediation

Evanston Slow Zone Remediation

CTA Track Maintenance

April 22, 2013

today s presentation
Today’s Presentation
  • Background
  • Project Scope and Benefits
  • What to Expect
  • Tentative Project Schedule
  • Track Renewal Process
  • Efforts to Lessen Community Impact
  • Originally constructed in 1908-12
  • Track last renewed in 1976
  • Typical useful life of 25 years
  • Currently over 6,700 feet (16%) of track-related slow zones
project scope benefits
Project Scope & Benefits
  • Goal to mitigate slow zones until a major renewal is funded
  • Selective track & spot tie renewal
  • Project Duration: 7 Months
  • Work will occur under single tracks on nights and weekends
  • Over 6000 ties replaced
  • Customers will experience a smoother, faster ride
what to expect
What to Expect
  • Sunday through Thursday night work occurring between 9PM and 4:30AM
  • Weekend daytime work between 7AM and 7PM
  • Noise as work occurs
  • Work zone lighting
  • Minor delays to service and boarding changes during single track operation
  • Regular track maintenance will continue weekdays 9AM – 2:30PM
tentative project schedule
Tentative Project Schedule

Construction Notices will be distributed to adjacent properties before work begins in each area.

track renewal process
Track Renewal Process
  • Tie handler
  • distributes new ties
  • cleans up old ties
track renewal process1
Track Renewal Process
  • Tie inserter
  • Removes old ties
  • Inserts new ties
track renewal process2
Track Renewal Process
  • Production Spiker
  • Drives spikes into ties
track renewal process3
Track Renewal Process
  • Ballast cars
  • Drops new stone ballast to fill in the track
track renewal process4
Track Renewal Process
  • Ballast Regulator
  • Distributes and shapes new stone ballast
track renewal process5
Track Renewal Process
  • Production Tamper
  • Sets track alignment
  • Tamps (compacts) stone ballast
  • Creates a solid, smooth ride
efforts to lessen community impact
Efforts to Lessen Community Impact
  • Pre-construction coordination meetings with Evanston city officials
  • Biggest, most disruptive work will occur in spring and fall
  • Structured work shift so that loudest work occurs before midnight
  • Biggest production will occur on weekends during the day
  • Presentation to City Council members outlining project scope and schedule
  • Distribution of construction activity notices prior to beginning work in a given area
  • CTA Contact: Ryan Mouw, rmouw@transitchicago.com