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Frankford Transportation Center
Contract 3 & Contract 4
South Eastern Pennsylvania
Transportation Authority
Philadelphia, Pennsylvania
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Drilled Micropiles |
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Drilled micropile foundation system supports new elevated train tracks and ancillary
walk-way structures.
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Project Overview: |
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Layne GeoConstruction designed and constructed a drilled micropile system to support upgrades
to the Frankford Street elevated train line. Work was undertaken in the residential, northeast
section of Philadelphia. The new train station is being constructed at the Frankford Street
bus depot, to facilitate pedestrian traffic to and from the bus system.
Drilled micropiles were installed in low headroom conditions around the existing track
structure to support foundations of the new track alignment. Micropile design capacities were
100 ton compressive load, and 40 ton tensile load. Drilled micropiles were also installed
around the perimeter of the new train station to support walkway structures. Drilled micropiles
were installed through loose urban fill and bonded in both weathered and competent schist bedrock.
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Value of Work Performed: |
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$800,000 |
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Project Duration: |
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7 months |
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Project Completion Date: |
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March 2002 |
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Project Reference: |
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General Contractor:
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Contract 3
PKF Mark Ill/Neshaminy Construction, Inc. JV
John Lawson
(215) 743-6472
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Contract 4
Crossing Construction Company
Jerry Throne
(215) 533-7947
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