Installation of Multiple Deck-Girder Bridge Spans Utilizing A Rail-Mounted Launching Truss/Gantry Crane on Amtrak s Empire Line

Transcription

1 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

2 Introduction- Typical Construction 2012 Annual Conference & Exposition

3 Amtrak s Super Computer

4 Introduction- Rail Mounted Gantry Crane

5 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

6 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

7 Present/Future Operations 28 trains per day 2011 Ridership over 1,000,000 Passengers Future double track capacity, more trains, and higher speed service

8 Present Conditions

9 Design 2012 Annual Conference & Exposition Encased I-Beam Deck Girder

10 Encased I-beam Slab 2012 Annual Conference & Exposition

11 Planning & Construction Joshua Kessler Senior Engineer Structures, Amtrak

12 Planning 2012 Annual Conference & Exposition Safety Quality Cost Track Outages Mobilization Coordination

13 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

14 Construction-Staging

15 Construction-Staging Staging area was 16 miles from jobsite Industrial track used for staging Loaded new slabs with 250 ton crane

16 Work Train Staging New spans, track panels, and other material placed in proper sequence on the work train.

17 Mobilization

18 Construction

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25 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

26 Gantry Crane-Specifications Paul H. Markelz President, Rcrane

27 Capacities/Dimensions Overall Length wide for travel, 18 wide working width Dual 40 ton maximum crane capacity Interior working Dimensions: 57 length, 13 width, 8 height

28 Travel Narrow - 10 Wide

29 Working Width 18 Out, 13 Inside 2012 Annual Conference & Exposition

30 Lifelines, Walkways, and Handrails

31 Dual 40 Ton Hoists- Set 60 Ton Load

32 Material Handling- Old Span

33 Material Handling- On Flat Cars

34 Material Handling- New Slabs

35 Material Handling- Between Cars

36 Self-Contained Work Train -Generators, air compressor, welder, tools, spare hoists -Locomotive (or equivalent) required for tractive effort

37 RCXX Annual Conference & Exposition

38 Construction Video Click Here to Start

39 Questions? Presenters: Paul DelSignore,PE Senior Director Structures, Amtrak Joshua Kessler Senior Engineer Structures, Amtrak Paul H. Markelz President, Rcrane