CSX Bridge Replacement - City of Alexandria

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WHERE: Nearest Street Address 4500 Wheeler Ave. CSXT Br. No. CFP 102.8 over NS 8
WHEN: Project Timeline Five Basic Phases of Work and Approximate Duration − Mobilization: Began on October 15, 2009, Duration: Up to one month. Includes: site clearing, crane delivery and assembly, material delivery. − Pre Change-out: Scheduled last up to four months, and will likely have the greatest impact on neighboring communities. Work includes delivery and assembly of the proposed bridge span and substructure. Contractor will construct a temporary steel structure on which the bridge will be assembled prior to the planned roll-in. Beginning in mid-November, the contractor will be driving piles for a limited period of time. − Span Change-out: Most significant component of work. Schedule to be performed over a long weekend. Contractor will remove the existing bridge and roll the new bridge into place. This phase of the work will involve interruption to passenger and freight rail service. Projects sponsors will coordinate with VRE and Amtrak to inform riders of the work. − Post Change-out: Duration: up to two months, will involve ancillary work on the project site, including a slight raise of the adjacent single track bridge. In addition, the new mainline track will be aligned with the new bridge. − Demobilization: Final phase of construction. Duration: Approximately two weeks. Includes removal of construction materials/equipment. Contractor will restore the site to its pre-construction condition to the satisfaction of the landowner. 9
Page 1 and 2: Alexandria Railroad Bridge Replacem
Page 3 and 4: Presentation Overview − Why: Proj
Page 5 and 6: WHO: Project Team and Major Stakeho
Page 7: WHAT: Bridge Replacement Construct
Page 11 and 12: TABLE 1: Tentative Construction Sch
Page 13 and 14: Drilled Shaft Equipment Lay Out 13
Page 15 and 16: Unloading 1 st Girder & Moving To P
Page 17 and 18: Moving 1 st Girder Into Position 17
Page 19 and 20: Erection: Floor Beams & Deck Plates
Page 21 and 22: Removal Existing Bridge Sections 1
Page 23 and 24: Removal Existing Bridge Section 5 &
Page 25 and 26: Roll In Span 1 25
Page 27 and 28: Remove Rollers, Lower Spans On Bear
Page 29 and 30: HOW: Overview of Construction Metho
Page 31 and 32: First Girder Set On Temporary Suppo
Page 33 and 34: Third Girder Set On Temporary Suppo
Page 35 and 36: Floor Beams Framed Into Girders 35
Page 37 and 38: Deck Plates Installed On Floor Beam
Page 39 and 40: Span 1 Rolled Into Place 39
Page 41 and 42: Roll In Beams Removed 41
Page 43 and 44: Temporary Framing Removed 43
Page 45: THANK YOU Questions? Quintin Kendal

CSX Bridge Replacement - City of Alexandria

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