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BLAIR COVERED BRIDGE CAMPTON, NH Removal of Pavement Preparation - - PowerPoint PPT Presentation
BLAIR COVERED BRIDGE CAMPTON, NH Removal of Pavement Preparation - - PowerPoint PPT Presentation
BLAIR COVERED BRIDGE CAMPTON, NH Removal of Pavement Preparation for Concrete Siding Removal Siding and Flooring Removed Original Floor Joists Staging Sandbags Cofferdam New Concrete Poured Shoring truss being inserted Truss inserted
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Preparation for Concrete
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Siding Removal
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Siding and Flooring Removed
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Original Floor Joists
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Staging
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Sandbags –Cofferdam – New Concrete Poured
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Shoring truss being inserted
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Truss inserted – Jacking stations set -- Blair Bridge is suspended – Trusses are out of compression and can be examined and repaired
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Jacking stations at needle beams
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Typical conditions of the original bridge
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New arch leaves
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Only beam left from the original bridge that was destroyed by arson. Located at the center pier.
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Sawtooth Joinery
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Original sawtooth joinery done by Arnold M Graton from the 1980’s restoration
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Diagonal and vertical replacements
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Repairs complete – truss removal
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Preparing for the 30 day shutdown
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Never Ending Winter
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Pier – Ice Breaker
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Repair Detail
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New floor joists
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New oak flooring
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New standing seam roof
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Wedge Counter Brace-Defining characteristic of Long Truss
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Pegged joinery in process
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Rebuild of the south east wing wall using traditional dry stack masonry
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New siding
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