Installation of Multiple Deck-Girder Bridge Spans Utilizing A Rail-Mounted Launching Truss/Gantry Crane on Amtrak s Empire Line Paul DelSignore, PE Senior Director Structures, Amtrak Joshua Kessler Senior Engineer Structures, Amtrak Paul H. Markelz President, Rcrane
Introduction- Typical Construction 2012 Annual Conference & Exposition
Amtrak s Super Computer
Introduction- Rail Mounted Gantry Crane
Project Location Stuyvesant, NY 2 Bridges, 2 Tracks (4-Spans Total) 17 Miles South of Albany 126 Miles North of New York City Along the East Bank of the Hudson River
Empire Line History Empire Line (Hudson Line) Origins of this line trace back to the Troy and Greenbush Railroad which was chartered in 1845 Part of former New York Central s infamous Water Level Route from New York to Chicago
Present/Future Operations 28 trains per day 2011 Ridership over 1,000,000 Passengers Future double track capacity, more trains, and higher speed service
Present Conditions
Design 2012 Annual Conference & Exposition Encased I-Beam Deck Girder
Encased I-beam Slab 2012 Annual Conference & Exposition
Planning & Construction Joshua Kessler Senior Engineer Structures, Amtrak
Planning 2012 Annual Conference & Exposition Safety Quality Cost Track Outages Mobilization Coordination
Construction Schedule Week 1: Prep bridges and load flat cars on work train for Track 1 install Week 2: Replace Spans Track 1 Week 3: Prep bridges and load flat cars on work train for Track 2 install Week 4: Replace Spans Track 2
Construction-Staging
Construction-Staging Staging area was 16 miles from jobsite Industrial track used for staging Loaded new slabs with 250 ton crane
Work Train Staging New spans, track panels, and other material placed in proper sequence on the work train.
Mobilization
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Project Efficiencies - Decreased track occupancy outages significantly - No restrictions on adjacent track or adjustments to train schedules - Adjacent Track Protection - nine-1 hour fouls/day - one-2 ½ hour foul/day - No nighttime work and reduced overtime hours - Increased production and performance - Increased safety - 25% reduction in costs vs. traditional installation methods
Gantry Crane-Specifications Paul H. Markelz President, Rcrane
Capacities/Dimensions Overall Length 89 4 10 wide for travel, 18 wide working width Dual 40 ton maximum crane capacity Interior working Dimensions: 57 length, 13 width, 8 height
Travel Narrow - 10 Wide
Working Width 18 Out, 13 Inside 2012 Annual Conference & Exposition
Lifelines, Walkways, and Handrails
Dual 40 Ton Hoists- Set 60 Ton Load
Material Handling- Old Span
Material Handling- On Flat Cars
Material Handling- New Slabs
Material Handling- Between Cars
Self-Contained Work Train -Generators, air compressor, welder, tools, spare hoists -Locomotive (or equivalent) required for tractive effort
RCXX 2 2012 Annual Conference & Exposition
Construction Video Click Here to Start
Questions? Presenters: Paul DelSignore,PE Senior Director Structures, Amtrak Joshua Kessler Senior Engineer Structures, Amtrak Paul H. Markelz President, Rcrane